diff options
400 files changed, 26844 insertions, 10827 deletions
diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt index 67310fbbb7d..c2a0871280a 100644 --- a/Documentation/filesystems/ocfs2.txt +++ b/Documentation/filesystems/ocfs2.txt @@ -31,7 +31,6 @@ Features which OCFS2 does not support yet: - quotas - Directory change notification (F_NOTIFY) - Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease) - - POSIX ACLs Mount options ============= @@ -79,3 +78,5 @@ inode64 Indicates that Ocfs2 is allowed to create inodes at bits of significance. user_xattr (*) Enables Extended User Attributes. nouser_xattr Disables Extended User Attributes. +acl Enables POSIX Access Control Lists support. +noacl (*) Disables POSIX Access Control Lists support. diff --git a/MAINTAINERS b/MAINTAINERS index befacf07729..141aff67bd6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4015,10 +4015,12 @@ L: alsa-devel@alsa-project.org (subscribers-only) W: http://alsa-project.org/main/index.php/ASoC S: Supported -SPARC (sparc32) -P: William L. Irwin -M: wli@holomorphy.com +SPARC + UltraSPARC (sparc/sparc64) +P: David S. Miller +M: davem@davemloft.net L: sparclinux@vger.kernel.org +T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git +T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git S: Maintained SPECIALIX IO8+ MULTIPORT SERIAL CARD DRIVER @@ -4302,13 +4304,6 @@ M: dushistov@mail.ru L: linux-kernel@vger.kernel.org S: Maintained -UltraSPARC (sparc64) -P: David S. Miller -M: davem@davemloft.net -L: sparclinux@vger.kernel.org -T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git -S: Maintained - ULTRA-WIDEBAND (UWB) SUBSYSTEM: P: David Vrabel M: david.vrabel@csr.com diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index ff6cd14d254..ad6d98d177c 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -2321,7 +2321,7 @@ static struct clk i2c2_fck = { }; static struct clk i2chs2_fck = { - .name = "i2chs_fck", + .name = "i2c_fck", .id = 2, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, @@ -2354,7 +2354,7 @@ static struct clk i2c1_fck = { }; static struct clk i2chs1_fck = { - .name = "i2chs_fck", + .name = "i2c_fck", .id = 1, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, diff --git a/arch/parisc/include/asm/module.h b/arch/parisc/include/asm/module.h index c2cb49e934c..1f4123427ea 100644 --- a/arch/parisc/include/asm/module.h +++ b/arch/parisc/include/asm/module.h @@ -23,8 +23,10 @@ struct mod_arch_specific { unsigned long got_offset, got_count, got_max; unsigned long fdesc_offset, fdesc_count, fdesc_max; - unsigned long stub_offset, stub_count, stub_max; - unsigned long init_stub_offset, init_stub_count, init_stub_max; + struct { + unsigned long stub_offset; + unsigned int stub_entries; + } *section; int unwind_section; struct unwind_table *unwind; }; diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index 44138c3e6ea..9013243cecc 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -6,6 +6,7 @@ * * Linux/PA-RISC Project (http://www.parisc-linux.org/) * Copyright (C) 2003 Randolph Chung <tausq at debian . org> + * Copyright (C) 2008 Helge Deller <deller@gmx.de> * * * This program is free software; you can redistribute it and/or modify @@ -24,6 +25,19 @@ * * * Notes: + * - PLT stub handling + * On 32bit (and sometimes 64bit) and with big kernel modules like xfs or + * ipv6 the relocation types R_PARISC_PCREL17F and R_PARISC_PCREL22F may + * fail to reach their PLT stub if we only create one big stub array for + * all sections at the beginning of the core or init section. + * Instead we now insert individual PLT stub entries directly in front of + * of the code sections where the stubs are actually called. + * This reduces the distance between the PCREL location and the stub entry + * so that the relocations can be fulfilled. + * While calculating the final layout of the kernel module in memory, the + * kernel module loader calls arch_mod_section_prepend() to request the + * to be reserved amount of memory in front of each individual section. + * * - SEGREL32 handling * We are not doing SEGREL32 handling correctly. According to the ABI, we * should do a value offset, like this: @@ -58,9 +72,13 @@ #define DEBUGP(fmt...) #endif +#define RELOC_REACHABLE(val, bits) \ + (( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 ) || \ + ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) ? \ + 0 : 1) + #define CHECK_RELOC(val, bits) \ - if ( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 ) || \ - ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) { \ + if (!RELOC_REACHABLE(val, bits)) { \ printk(KERN_ERR "module %s relocation of symbol %s is out of range (0x%lx in %d bits)\n", \ me->name, strtab + sym->st_name, (unsigned long)val, bits); \ return -ENOEXEC; \ @@ -92,13 +110,6 @@ static inline int in_local(struct module *me, void *loc) return in_init(me, loc) || in_core(me, loc); } -static inline int in_local_section(struct module *me, void *loc, void *dot) -{ - return (in_init(me, loc) && in_init(me, dot)) || - (in_core(me, loc) && in_core(me, dot)); -} - - #ifndef CONFIG_64BIT struct got_entry { Elf32_Addr addr; @@ -258,23 +269,42 @@ static inline unsigned long count_stubs(const Elf_Rela *rela, unsigned long n) /* Free memory returned from module_alloc */ void module_free(struct module *mod, void *module_region) { + kfree(mod->arch.section); + mod->arch.section = NULL; + vfree(module_region); /* FIXME: If module_region == mod->init_region, trim exception table entries. */ } +/* Additional bytes needed in front of individual sections */ +unsigned int arch_mod_section_prepend(struct module *mod, + unsigned int section) +{ + /* size needed for all stubs of this section (including + * one additional for correct alignment of the stubs) */ + return (mod->arch.section[section].stub_entries + 1) + * sizeof(struct stub_entry); +} + #define CONST int module_frob_arch_sections(CONST Elf_Ehdr *hdr, CONST Elf_Shdr *sechdrs, CONST char *secstrings, struct module *me) { - unsigned long gots = 0, fdescs = 0, stubs = 0, init_stubs = 0; + unsigned long gots = 0, fdescs = 0, len; unsigned int i; + len = hdr->e_shnum * sizeof(me->arch.section[0]); + me->arch.section = kzalloc(len, GFP_KERNEL); + if (!me->arch.section) + return -ENOMEM; + for (i = 1; i < hdr->e_shnum; i++) { - const Elf_Rela *rels = (void *)hdr + sechdrs[i].sh_offset; + const Elf_Rela *rels = (void *)sechdrs[i].sh_addr; unsigned long nrels = sechdrs[i].sh_size / sizeof(*rels); + unsigned int count, s; if (strncmp(secstrings + sechdrs[i].sh_name, ".PARISC.unwind", 14) == 0) @@ -290,11 +320,23 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, */ gots += count_gots(rels, nrels); fdescs += count_fdescs(rels, nrels); - if(strncmp(secstrings + sechdrs[i].sh_name, - ".rela.init", 10) == 0) - init_stubs += count_stubs(rels, nrels); - else - stubs += count_stubs(rels, nrels); + + /* XXX: By sorting the relocs and finding duplicate entries + * we could reduce the number of necessary stubs and save + * some memory. */ + count = count_stubs(rels, nrels); + if (!count) + continue; + + /* so we need relocation stubs. reserve necessary memory. */ + /* sh_info gives the section for which we need to add stubs. */ + s = sechdrs[i].sh_info; + + /* each code section should only have one relocation section */ + WARN_ON(me->arch.section[s].stub_entries); + + /* store number of stubs we need for this section */ + me->arch.section[s].stub_entries += count; } /* align things a bit */ @@ -306,18 +348,8 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, me->arch.fdesc_offset = me->core_size; me->core_size += fdescs * sizeof(Elf_Fdesc); - me->core_size = ALIGN(me->core_size, 16); - me->arch.stub_offset = me->core_size; - me->core_size += stubs * sizeof(struct stub_entry); - - me->init_size = ALIGN(me->init_size, 16); - me->arch.init_stub_offset = me->init_size; - me->init_size += init_stubs * sizeof(struct stub_entry); - me->arch.got_max = gots; me->arch.fdesc_max = fdescs; - me->arch.stub_max = stubs; - me->arch.init_stub_max = init_stubs; return 0; } @@ -380,23 +412,27 @@ enum elf_stub_type { }; static Elf_Addr get_stub(struct module *me, unsigned long value, long addend, - enum elf_stub_type stub_type, int init_section) + enum elf_stub_type stub_type, Elf_Addr loc0, unsigned int targetsec) { - unsigned long i; struct stub_entry *stub; - if(init_section) { - i = me->arch.init_stub_count++; - BUG_ON(me->arch.init_stub_count > me->arch.init_stub_max); - stub = me->module_init + me->arch.init_stub_offset + - i * sizeof(struct stub_entry); - } else { - i = me->arch.stub_count++; - BUG_ON(me->arch.stub_count > me->arch.stub_max); - stub = me->module_core + me->arch.stub_offset + - i * sizeof(struct stub_entry); + /* initialize stub_offset to point in front of the section */ + if (!me->arch.section[targetsec].stub_offset) { + loc0 -= (me->arch.section[targetsec].stub_entries + 1) * + sizeof(struct stub_entry); + /* get correct alignment for the stubs */ + loc0 = ALIGN(loc0, sizeof(struct stub_entry)); + me->arch.section[targetsec].stub_offset = loc0; } + /* get address of stub entry */ + stub = (void *) me->arch.section[targetsec].stub_offset; + me->arch.section[targetsec].stub_offset += sizeof(struct stub_entry); + + /* do not write outside available stub area */ + BUG_ON(0 == me->arch.section[targetsec].stub_entries--); + + #ifndef CONFIG_64BIT /* for 32-bit the stub looks like this: * ldil L'XXX,%r1 @@ -489,15 +525,19 @@ int apply_relocate_add(Elf_Shdr *sechdrs, Elf32_Addr val; Elf32_Sword addend; Elf32_Addr dot; + Elf_Addr loc0; + unsigned int targetsec = sechdrs[relsec].sh_info; //unsigned long dp = (unsigned long)$global$; register unsigned long dp asm ("r27"); DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); + targetsec); for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { /* This is where to make the change */ - loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + loc = (void *)sechdrs[targetsec].sh_addr + rel[i].r_offset; + /* This is the start of the target section */ + loc0 = sechdrs[targetsec].sh_addr; /* This is the symbol it is referring to */ sym = (Elf32_Sym *)sechdrs[symindex].sh_addr + ELF32_R_SYM(rel[i].r_info); @@ -569,19 +609,32 @@ int apply_relocate_add(Elf_Shdr *sechdrs, break; case R_PARISC_PCREL17F: /* 17-bit PC relative address */ - val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc)); + /* calculate direct call offset */ + val += addend; val = (val - dot - 8)/4; - CHECK_RELOC(val, 17) + if (!RELOC_REACHABLE(val, 17)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, addend, + ELF_STUB_DIRECT, loc0, targetsec); + val = (val - dot - 8)/4; + CHECK_RELOC(val, 17); + } *loc = (*loc & ~0x1f1ffd) | reassemble_17(val); break; case R_PARISC_PCREL22F: /* 22-bit PC relative address; only defined for pa20 */ - val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc)); - DEBUGP("STUB FOR %s loc %lx+%lx at %lx\n", - strtab + sym->st_name, (unsigned long)loc, addend, - val) + /* calculate direct call offset */ + val += addend; val = (val - dot - 8)/4; - CHECK_RELOC(val, 22); + if (!RELOC_REACHABLE(val, 22)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, addend, + ELF_STUB_DIRECT, loc0, targetsec); + val = (val - dot - 8)/4; + CHECK_RELOC(val, 22); + } *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; @@ -610,13 +663,17 @@ int apply_relocate_add(Elf_Shdr *sechdrs, Elf64_Addr val; Elf64_Sxword addend; Elf64_Addr dot; + Elf_Addr loc0; + unsigned int targetsec = sechdrs[relsec].sh_info; DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); + targetsec); for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { /* This is where to make the change */ - loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + loc = (void *)sechdrs[targetsec].sh_addr + rel[i].r_offset; + /* This is the start of the target section */ + loc0 = sechdrs[targetsec].sh_addr; /* This is the symbol it is referring to */ sym = (Elf64_Sym *)sechdrs[symindex].sh_addr + ELF64_R_SYM(rel[i].r_info); @@ -672,42 +729,40 @@ int apply_relocate_add(Elf_Shdr *sechdrs, DEBUGP("PCREL22F Symbol %s loc %p val %lx\n", strtab + sym->st_name, loc, val); + val += addend; /* can we reach it locally? */ - if(!in_local_section(me, (void *)val, (void *)dot)) { - - if (in_local(me, (void *)val)) - /* this is the case where the - * symbol is local to the - * module, but in a different - * section, so stub the jump - * in case it's more than 22 - * bits away */ - val = get_stub(me, val, addend, ELF_STUB_DIRECT, - in_init(me, loc)); - else if (strncmp(strtab + sym->st_name, "$$", 2) + if (in_local(me, (void *)val)) { + /* this is the case where the symbol is local + * to the module, but in a different section, + * so stub the jump in case it's more than 22 + * bits away */ + val = (val - dot - 8)/4; + if (!RELOC_REACHABLE(val, 22)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, + addend, ELF_STUB_DIRECT, + loc0, targetsec); + } else { + /* Ok, we can reach it directly. */ + val = sym->st_value; + val += addend; + } + } else { + val = sym->st_value; + if (strncmp(strtab + sym->st_name, "$$", 2) == 0) val = get_stub(me, val, addend, ELF_STUB_MILLI, - in_init(me, loc)); + loc0, targetsec); else val = get_stub(me, val, addend, ELF_STUB_GOT, - in_init(me, loc)); + loc0, targetsec); } DEBUGP("STUB FOR %s loc %lx, val %lx+%lx at %lx\n", strtab + sym->st_name, loc, sym->st_value, addend, val); - /* FIXME: local symbols work as long as the - * core and init pieces aren't separated too - * far. If this is ever broken, you will trip - * the check below. The way to fix it would - * be to generate local stubs to go between init - * and core */ - if((Elf64_Sxword)(val - dot - 8) > 0x800000 -1 || - (Elf64_Sxword)(val - dot - 8) < -0x800000) { - printk(KERN_ERR "Module %s, symbol %s is out of range for PCREL22F relocation\n", - me->name, strtab + sym->st_name); - return -ENOEXEC; - } val = (val - dot - 8)/4; + CHECK_RELOC(val, 22); *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; case R_PARISC_DIR64: @@ -794,12 +849,8 @@ int module_finalize(const Elf_Ehdr *hdr, addr = (u32 *)entry->addr; printk("INSNS: %x %x %x %x\n", addr[0], addr[1], addr[2], addr[3]); - printk("stubs used %ld, stubs max %ld\n" - "init_stubs used %ld, init stubs max %ld\n" - "got entries used %ld, gots max %ld\n" + printk("got entries used %ld, gots max %ld\n" "fdescs used %ld, fdescs max %ld\n", - me->arch.stub_count, me->arch.stub_max, - me->arch.init_stub_count, me->arch.init_stub_max, me->arch.got_count, me->arch.got_max, me->arch.fdesc_count, me->arch.fdesc_max); #endif @@ -829,7 +880,10 @@ int module_finalize(const Elf_Ehdr *hdr, me->name, me->arch.got_count, MAX_GOTS); return -EINVAL; } - + + kfree(me->arch.section); + me->arch.section = NULL; + /* no symbol table */ if(symhdr == NULL) return 0; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 6296bfd9cb0..e309ef70a53 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -97,7 +97,6 @@ spufs_new_inode(struct super_block *sb, int mode) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; out: return inode; diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 9d4f8e6c080..5a805df216b 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -106,7 +106,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode) ret->i_mode = mode; ret->i_uid = hypfs_info->uid; ret->i_gid = hypfs_info->gid; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; if (mode & S_IFDIR) ret->i_nlink = 2; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 0a94d9c9cde..de58c02633b 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -4,6 +4,17 @@ mainmenu "Linux/SPARC Kernel Configuration" +config 64BIT + bool "64-bit kernel" if ARCH = "sparc" + default ARCH = "sparc64" + help + SPARC is a family of RISC microprocessors designed and marketed by + Sun Microsystems, incorporated. They are very widely found in Sun + workstations and clones. + + Say yes to build a 64-bit kernel - formerly known as sparc64 + Say no to build a 32-bit kernel - formerly known as sparc + config SPARC bool default y @@ -15,22 +26,11 @@ config SPARC select RTC_CLASS select RTC_DRV_M48T59 -# Identify this as a Sparc32 build config SPARC32 - bool - default y if ARCH = "sparc" - help - SPARC is a family of RISC microprocessors designed and marketed by - Sun Microsystems, incorporated. They are very widely found in Sun - workstations and clones. This port covers the original 32-bit SPARC; - it is old and stable and usually considered one of the "big three" - along with the Intel and Alpha ports. The UltraLinux project - maintains both the SPARC32 and SPARC64 ports; its web page is - available at <http://www.ultralinux.org/>. + def_bool !64BIT config SPARC64 - bool - default y if ARCH = "sparc64" + def_bool 64BIT select ARCH_SUPPORTS_MSI select HAVE_FUNCTION_TRACER select HAVE_KRETPROBES @@ -53,9 +53,6 @@ config BITS default 32 if SPARC32 default 64 if SPARC64 -config 64BIT - def_bool y if SPARC64 - config GENERIC_TIME bool default y if SPARC64 @@ -188,14 +185,6 @@ config ARCH_MAY_HAVE_PC_FDC bool default y -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - config EMULATED_CMPXCHG bool default y if SPARC32 @@ -442,26 +431,6 @@ config SERIAL_CONSOLE endmenu menu "Bus options (PCI etc.)" -config ISA - bool - help - ISA is found on Espresso only and is not supported currently. - -config ISAPNP - bool - help - ISAPNP is not supported - -config EISA - bool - help - EISA is not supported. - -config MCA - bool - help - MCA is not supported. - config SBUS bool default y diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 05d19a3e590..cde19ae78f5 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -1,27 +1,27 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.28-rc4 -# Mon Nov 10 12:35:09 2008 +# Linux kernel version: 2.6.28 +# Fri Jan 2 18:14:26 2009 # CONFIG_SPARC=y CONFIG_SPARC64=y +CONFIG_ARCH_DEFCONFIG="arch/sparc/configs/sparc64_defconfig" +CONFIG_BITS=64 +CONFIG_64BIT=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_64BIT=y -CONFIG_MMU=y CONFIG_IOMMU_HELPER=y CONFIG_QUICKLIST=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y -CONFIG_ARCH_MAY_HAVE_PC_FDC=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_AUDIT_ARCH=y CONFIG_HAVE_SETUP_PER_CPU_AREA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_MMU=y CONFIG_ARCH_NO_VIRT_TO_BUS=y CONFIG_OF=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -86,6 +86,7 @@ CONFIG_SLUB_DEBUG=y CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y # CONFIG_MARKERS is not set CONFIG_OPROFILE=m CONFIG_HAVE_OPROFILE=y @@ -127,34 +128,40 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_FREEZER is not set # # Processor type and features # -CONFIG_SPARC64_PAGE_SIZE_8KB=y -# CONFIG_SPARC64_PAGE_SIZE_64KB is not set -CONFIG_SECCOMP=y +CONFIG_SMP=y +CONFIG_NR_CPUS=64 CONFIG_HZ_100=y # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 CONFIG_SCHED_HRTICK=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_SPARC64_SMP=y +CONFIG_SPARC64_PAGE_SIZE_8KB=y +# CONFIG_SPARC64_PAGE_SIZE_64KB is not set +CONFIG_SECCOMP=y CONFIG_HOTPLUG_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -CONFIG_SMP=y -CONFIG_NR_CPUS=64 # CONFIG_CPU_FREQ is not set CONFIG_US3_MC=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_HUGETLB_PAGE_SIZE_4MB=y # CONFIG_HUGETLB_PAGE_SIZE_512K is not set # CONFIG_HUGETLB_PAGE_SIZE_64K is not set @@ -183,10 +190,18 @@ CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=0 CONFIG_NR_QUICK=1 CONFIG_UNEVICTABLE_LRU=y +CONFIG_SCHED_SMT=y +CONFIG_SCHED_MC=y +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set +# CONFIG_CMDLINE_BOOL is not set + +# +# Bus options (PCI etc.) +# CONFIG_SBUS=y CONFIG_SBUSCHAR=y -CONFIG_SUN_AUXIO=y -CONFIG_SUN_IO=y CONFIG_SUN_LDOMS=y CONFIG_PCI=y CONFIG_PCI_DOMAINS=y @@ -195,7 +210,9 @@ CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y # CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_PCCARD is not set CONFIG_SUN_OPENPROMFS=m +CONFIG_SPARC64_PCI=y # # Executable file formats @@ -207,17 +224,13 @@ CONFIG_COMPAT_BINFMT_ELF=y CONFIG_BINFMT_MISC=m CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y -CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y -# CONFIG_PREEMPT_NONE is not set -CONFIG_PREEMPT_VOLUNTARY=y -# CONFIG_PREEMPT is not set -# CONFIG_CMDLINE_BOOL is not set CONFIG_NET=y # # Networking options # +# CONFIG_NET_NS is not set +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -314,6 +327,7 @@ CONFIG_VLAN_8021Q=m # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # # Network testing @@ -330,8 +344,8 @@ CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set CONFIG_WIRELESS_OLD_REGULATORY=y # CONFIG_WIRELESS_EXT is not set +# CONFIG_LIB80211 is not set # CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -378,8 +392,10 @@ CONFIG_MISC_DEVICES=y # CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set +# CONFIG_C2PORT is not set CONFIG_HAVE_IDE=y CONFIG_IDE=y @@ -387,6 +403,7 @@ CONFIG_IDE=y # Please see Documentation/ide/ide.txt for help/info on IDE drives # CONFIG_IDE_TIMINGS=y +CONFIG_IDE_ATAPI=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_IDE_GD=y CONFIG_IDE_GD_ATA=y @@ -394,7 +411,6 @@ CONFIG_IDE_GD_ATA=y CONFIG_BLK_DEV_IDECD=y CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y # CONFIG_BLK_DEV_IDETAPE is not set -# CONFIG_BLK_DEV_IDESCSI is not set # CONFIG_IDE_TASK_IOCTL is not set CONFIG_IDE_PROC_FS=y @@ -477,6 +493,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_CXGB3_ISCSI is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -490,6 +507,8 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_HPTIOP is not set +# CONFIG_LIBFC is not set +# CONFIG_FCOE is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_IPS is not set @@ -564,6 +583,9 @@ CONFIG_PHYLIB=m # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=m @@ -590,7 +612,6 @@ CONFIG_NET_PCI=y # CONFIG_ADAPTEC_STARFIRE is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set -# CONFIG_EEPRO100 is not set # CONFIG_E100 is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -600,6 +621,7 @@ CONFIG_NET_PCI=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set @@ -629,6 +651,7 @@ CONFIG_BNX2=m # CONFIG_JME is not set CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set +CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_CHELSIO_T3 is not set # CONFIG_ENIC is not set # CONFIG_IXGBE is not set @@ -778,6 +801,7 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=m @@ -870,6 +894,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ADT7473 is not set # CONFIG_SENSORS_ATXP1 is not set @@ -919,11 +944,11 @@ CONFIG_HWMON=y # CONFIG_THERMAL is not set # CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -1071,6 +1096,7 @@ CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_HRTIMER is not set # CONFIG_SND_DYNAMIC_MINORS is not set CONFIG_SND_SUPPORT_OLD_API=y CONFIG_SND_VERBOSE_PROCFS=y @@ -1242,11 +1268,11 @@ CONFIG_USB_UHCI_HCD=m # CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # # -# may also be needed; see USB_STORAGE Help for more information +# see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set @@ -1337,6 +1363,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1365,7 +1392,6 @@ CONFIG_RTC_DRV_STARFIRE=y # CONFIG_DMADEVICES is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set -CONFIG_STAGING_EXCLUDE_BUILD=y # # Misc Linux/SPARC drivers @@ -1544,6 +1570,7 @@ CONFIG_SCHEDSTATS=y # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set @@ -1552,6 +1579,7 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set @@ -1560,8 +1588,12 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_RING_BUFFER=y +CONFIG_TRACING=y # # Tracers @@ -1571,7 +1603,9 @@ CONFIG_HAVE_FUNCTION_TRACER=y # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set # CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set # CONFIG_STACK_TRACER is not set +# CONFIG_FTRACE_STARTUP_TEST is not set # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y @@ -1600,11 +1634,16 @@ CONFIG_CRYPTO=y # # CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_RNG=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m CONFIG_CRYPTO_NULL=m # CONFIG_CRYPTO_CRYPTD is not set diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 89c260aab45..deeb0fba802 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,21 +1,6 @@ # User exported sparc header files include include/asm-generic/Kbuild.asm -header-y += ipcbuf_32.h -header-y += ipcbuf_64.h -header-y += posix_types_32.h -header-y += posix_types_64.h -header-y += ptrace_32.h -header-y += ptrace_64.h -header-y += sigcontext_32.h -header-y += sigcontext_64.h -header-y += siginfo_32.h -header-y += siginfo_64.h -header-y += signal_32.h -header-y += signal_64.h -header-y += stat_32.h -header-y += stat_64.h - header-y += apc.h header-y += asi.h header-y += display7seg.h @@ -23,16 +8,11 @@ header-y += envctrl.h header-y += fbio.h header-y += jsflash.h header-y += openprom.h -header-y += openprom_32.h -header-y += openprom_64.h header-y += openpromio.h header-y += perfctr.h header-y += psrcompat.h header-y += psr.h header-y += pstate.h -header-y += reg.h -header-y += reg_32.h -header-y += reg_64.h header-y += traps.h header-y += uctx.h header-y += utrap.h diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h index 5a70f137f1f..738414b2655 100644 --- a/arch/sparc/include/asm/byteorder.h +++ b/arch/sparc/include/asm/byteorder.h @@ -1,16 +1,12 @@ #ifndef _SPARC_BYTEORDER_H #define _SPARC_BYTEORDER_H -#include <asm/types.h> +#include <linux/types.h> #include <asm/asi.h> #define __BIG_ENDIAN -#ifdef CONFIG_SPARC32 -#define __SWAB_64_THRU_32__ -#endif - -#ifdef CONFIG_SPARC64 +#if defined(__sparc__) && defined(__arch64__) static inline __u16 __arch_swab16p(const __u16 *addr) { __u16 ret; @@ -44,7 +40,9 @@ static inline __u64 __arch_swab64p(const __u64 *addr) } #define __arch_swab64p __arch_swab64p -#endif /* CONFIG_SPARC64 */ +#else +#define __SWAB_64_THRU_32__ +#endif /* defined(__sparc__) && defined(__arch64__) */ #include <linux/byteorder.h> diff --git a/arch/sparc/include/asm/ipcbuf.h b/arch/sparc/include/asm/ipcbuf.h index 17d6ef7b23a..66013b4fe10 100644 --- a/arch/sparc/include/asm/ipcbuf.h +++ b/arch/sparc/include/asm/ipcbuf.h @@ -1,8 +1,32 @@ -#ifndef ___ASM_SPARC_IPCBUF_H -#define ___ASM_SPARC_IPCBUF_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/ipcbuf_64.h> -#else -#include <asm/ipcbuf_32.h> -#endif +#ifndef __SPARC_IPCBUF_H +#define __SPARC_IPCBUF_H + +/* + * The ipc64_perm structure for sparc/sparc64 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 32-bit seq + * - on sparc for 32 bit mode (it is 32 bit on sparc64) + * - 2 miscellaneous 64-bit values + */ + +struct ipc64_perm +{ + __kernel_key_t key; + __kernel_uid_t uid; + __kernel_gid_t gid; + __kernel_uid_t cuid; + __kernel_gid_t cgid; +#ifndef __arch64__ + unsigned short __pad0; #endif + __kernel_mode_t mode; + unsigned short __pad1; + unsigned short seq; + unsigned long long __unused1; + unsigned long long __unused2; +}; + +#endif /* __SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/asm/ipcbuf_32.h b/arch/sparc/include/asm/ipcbuf_32.h deleted file mode 100644 index 6387209518f..00000000000 --- a/arch/sparc/include/asm/ipcbuf_32.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _SPARC_IPCBUF_H -#define _SPARC_IPCBUF_H - -/* - * The ipc64_perm structure for sparc architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode - * - 32-bit seq - * - 2 miscellaneous 64-bit values (so that this structure matches - * sparc64 ipc64_perm) - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - unsigned short __pad1; - __kernel_mode_t mode; - unsigned short __pad2; - unsigned short seq; - unsigned long long __unused1; - unsigned long long __unused2; -}; - -#endif /* _SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/asm/ipcbuf_64.h b/arch/sparc/include/asm/ipcbuf_64.h deleted file mode 100644 index a44b855b98d..00000000000 --- a/arch/sparc/include/asm/ipcbuf_64.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef _SPARC64_IPCBUF_H -#define _SPARC64_IPCBUF_H - -/* - * The ipc64_perm structure for sparc64 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _SPARC64_IPCBUF_H */ diff --git a/arch/sparc/include/asm/jsflash.h b/arch/sparc/include/asm/jsflash.h index 3457f29bd73..0717d9e39d2 100644 --- a/arch/sparc/include/asm/jsflash.h +++ b/arch/sparc/include/asm/jsflash.h @@ -8,7 +8,7 @@ #define _SPARC_JSFLASH_H #ifndef _SPARC_TYPES_H -#include <asm/types.h> +#include <linux/types.h> #endif /* diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h index aaeae905ed3..963e1a45c35 100644 --- a/arch/sparc/include/asm/openprom.h +++ b/arch/sparc/include/asm/openprom.h @@ -1,8 +1,277 @@ -#ifndef ___ASM_SPARC_OPENPROM_H -#define ___ASM_SPARC_OPENPROM_H +#ifndef __SPARC_OPENPROM_H +#define __SPARC_OPENPROM_H + +/* openprom.h: Prom structures and defines for access to the OPENBOOT + * prom routines and data areas. + * + * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) + */ + +/* Empirical constants... */ +#define LINUX_OPPROM_MAGIC 0x10010407 + +#ifndef __ASSEMBLY__ +/* V0 prom device operations. */ +struct linux_dev_v0_funcs { + int (*v0_devopen)(char *device_str); + int (*v0_devclose)(int dev_desc); + int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_seekdev)(int dev_desc, long logical_offst, int from); +}; + +/* V2 and later prom device operations. */ +struct linux_dev_v2_funcs { + int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ + char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); + void (*v2_dumb_mem_free)(char *va, unsigned sz); + + /* To map devices into virtual I/O space. */ + char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); + void (*v2_dumb_munmap)(char *virta, unsigned size); + + int (*v2_dev_open)(char *devpath); + void (*v2_dev_close)(int d); + int (*v2_dev_read)(int d, char *buf, int nbytes); + int (*v2_dev_write)(int d, char *buf, int nbytes); + int (*v2_dev_seek)(int d, int hi, int lo); + + /* Never issued (multistage load support) */ + void (*v2_wheee2)(void); + void (*v2_wheee3)(void); +}; + +struct linux_mlist_v0 { + struct linux_mlist_v0 *theres_more; + unsigned int start_adr; + unsigned num_bytes; +}; + +struct linux_mem_v0 { + struct linux_mlist_v0 **v0_totphys; + struct linux_mlist_v0 **v0_prommap; + struct linux_mlist_v0 **v0_available; /* What we can use */ +}; + +/* Arguments sent to the kernel from the boot prompt. */ +struct linux_arguments_v0 { + char *argv[8]; + char args[100]; + char boot_dev[2]; + int boot_dev_ctrl; + int boot_dev_unit; + int dev_partition; + char *kernel_file_name; + void *aieee1; /* XXX */ +}; + +/* V2 and up boot things. */ +struct linux_bootargs_v2 { + char **bootpath; + char **bootargs; + int *fd_stdin; + int *fd_stdout; +}; + +/* The top level PROM vector. */ +struct linux_romvec { + /* Version numbers. */ + unsigned int pv_magic_cookie; + unsigned int pv_romvers; + unsigned int pv_plugin_revision; + unsigned int pv_printrev; + + /* Version 0 memory descriptors. */ + struct linux_mem_v0 pv_v0mem; + + /* Node operations. */ + struct linux_nodeops *pv_nodeops; + + char **pv_bootstr; + struct linux_dev_v0_funcs pv_v0devops; + + char *pv_stdin; + char *pv_stdout; +#define PROMDEV_KBD 0 /* input from keyboard */ +#define PROMDEV_SCREEN 0 /* output to screen */ +#define PROMDEV_TTYA 1 /* in/out to ttya */ +#define PROMDEV_TTYB 2 /* in/out to ttyb */ + + /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ + int (*pv_getchar)(void); + void (*pv_putchar)(int ch); + + /* Non-blocking variants. */ + int (*pv_nbgetchar)(void); + int (*pv_nbputchar)(int ch); + + void (*pv_putstr)(char *str, int len); + + /* Miscellany. */ + void (*pv_reboot)(char *bootstr); + void (*pv_printf)(__const__ char *fmt, ...); + void (*pv_abort)(void); + __volatile__ int *pv_ticks; + void (*pv_halt)(void); + void (**pv_synchook)(void); + + /* Evaluate a forth string, not different proto for V0 and V2->up. */ + union { + void (*v0_eval)(int len, char *str); + void (*v2_eval)(char *str); + } pv_fortheval; + + struct linux_arguments_v0 **pv_v0bootargs; + + /* Get ether address. */ + unsigned int (*pv_enaddr)(int d, char *enaddr); + + struct linux_bootargs_v2 pv_v2bootargs; + struct linux_dev_v2_funcs pv_v2devops; + + int filler[15]; + + /* This one is sun4c/sun4 only. */ + void (*pv_setctxt)(int ctxt, char *va, int pmeg); + + /* Prom version 3 Multiprocessor routines. This stuff is crazy. + * No joke. Calling these when there is only one cpu probably + * crashes the machine, have to test this. :-) + */ + + /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context + * 'thiscontext' executing at address 'prog_counter' + */ + int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, + int thiscontext, char *prog_counter); + + /* v3_cpustop() will cause cpu 'whichcpu' to stop executing + * until a resume cpu call is made. + */ + int (*v3_cpustop)(unsigned int whichcpu); + + /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or + * resume cpu call is made. + */ + int (*v3_cpuidle)(unsigned int whichcpu); + + /* v3_cpuresume() will resume processor 'whichcpu' executing + * starting with whatever 'pc' and 'npc' were left at the + * last 'idle' or 'stop' call. + */ + int (*v3_cpuresume)(unsigned int whichcpu); +}; + +/* Routines for traversing the prom device tree. */ +struct linux_nodeops { + int (*no_nextnode)(int node); + int (*no_child)(int node); + int (*no_proplen)(int node, const char *name); + int (*no_getprop)(int node, const char *name, char *val); + int (*no_setprop)(int node, const char *name, char *val, int len); + char * (*no_nextprop)(int node, char *name); +}; + +/* More fun PROM structures for device probing. */ #if defined(__sparc__) && defined(__arch64__) -#include <asm/openprom_64.h> +#define PROMREG_MAX 24 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 32 #else -#include <asm/openprom_32.h> +#define PROMREG_MAX 16 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 15 #endif + +struct linux_prom_registers { + unsigned int which_io; /* hi part of physical address */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ +}; + +struct linux_prom64_registers { + unsigned long phys_addr; + unsigned long reg_size; +}; + +struct linux_prom_irqs { + int pri; /* IRQ priority */ + int vector; /* This is foobar, what does it do? */ +}; + +/* Element of the "ranges" vector */ +struct linux_prom_ranges { + unsigned int ot_child_space; + unsigned int ot_child_base; /* Bus feels this */ + unsigned int ot_parent_space; + unsigned int ot_parent_base; /* CPU looks from here */ + unsigned int or_size; +}; + +/* + * Ranges and reg properties are a bit different for PCI. + */ +#if defined(__sparc__) && defined(__arch64__) +struct linux_prom_pci_registers { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; +#else +struct linux_prom_pci_registers { + /* + * We don't know what information this field contain. + * We guess, PCI device function is in bits 15:8 + * So, ... + */ + unsigned int which_io; /* Let it be which_io */ + + unsigned int phys_hi; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + #endif + +struct linux_prom_pci_ranges { + unsigned int child_phys_hi; /* Only certain bits are encoded here. */ + unsigned int child_phys_mid; + unsigned int child_phys_lo; + + unsigned int parent_phys_hi; + unsigned int parent_phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_pci_intmap { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int interrupt; + + int cnode; + unsigned int cinterrupt; +}; + +struct linux_prom_pci_intmask { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + unsigned int interrupt; +}; + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h deleted file mode 100644 index 875da3552d8..00000000000 --- a/arch/sparc/include/asm/openprom_32.h +++ /dev/null @@ -1,255 +0,0 @@ -#ifndef __SPARC_OPENPROM_H -#define __SPARC_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -/* Empirical constants... */ -#define LINUX_OPPROM_MAGIC 0x10010407 - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - char *start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, const char *name); - int (*no_getprop)(int node, const char *name, char *val); - int (*no_setprop)(int node, const char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 16 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 15 - -struct linux_prom_registers { - unsigned int which_io; /* is this in OBIO space? */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - /* - * We don't know what information this field contain. - * We guess, PCI device function is in bits 15:8 - * So, ... - */ - unsigned int which_io; /* Let it be which_io */ - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_assigned_addresses { - unsigned int which_io; - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h deleted file mode 100644 index b69e4a8c917..00000000000 --- a/arch/sparc/include/asm/openprom_64.h +++ /dev/null @@ -1,280 +0,0 @@ -#ifndef __SPARC64_OPENPROM_H -#define __SPARC64_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - unsigned start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, char *name); - int (*no_getprop)(int node, char *name, char *val); - int (*no_setprop)(int node, char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 24 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 32 - -struct linux_prom_registers { - unsigned which_io; /* hi part of physical address */ - unsigned phys_addr; /* The physical address of this register */ - int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom64_registers { - unsigned long phys_addr; - unsigned long reg_size; -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -struct linux_prom64_ranges { - unsigned long ot_child_base; /* Bus feels this */ - unsigned long ot_parent_base; /* CPU looks from here */ - unsigned long or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_intmap { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_pci_intmask { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - unsigned int interrupt; -}; - -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -struct linux_prom_ebus_intmap { - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_ebus_intmask { - unsigned int phys_hi; - unsigned int phys_lo; - unsigned int interrupt; -}; -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h index 03a0e091a88..98d6ebb922f 100644 --- a/arch/sparc/include/asm/posix_types.h +++ b/arch/sparc/include/asm/posix_types.h @@ -1,8 +1,155 @@ -#ifndef ___ASM_SPARC_POSIX_TYPES_H -#define ___ASM_SPARC_POSIX_TYPES_H +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +#ifndef __SPARC_POSIX_TYPES_H +#define __SPARC_POSIX_TYPES_H + #if defined(__sparc__) && defined(__arch64__) -#include <asm/posix_types_64.h> +/* sparc 64 bit */ +typedef unsigned long __kernel_size_t; +typedef long __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_clock_t; +typedef int __kernel_pid_t; +typedef int __kernel_ipc_pid_t; +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned int __kernel_mode_t; +typedef unsigned short __kernel_umode_t; +typedef unsigned int __kernel_nlink_t; +typedef int __kernel_daddr_t; +typedef long __kernel_off_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef int __kernel_clockid_t; +typedef int __kernel_timer_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef __kernel_uid_t __kernel_uid32_t; +typedef __kernel_gid_t __kernel_gid32_t; + +typedef unsigned int __kernel_old_dev_t; + +/* Note this piece of asymmetry from the v9 ABI. */ +typedef int __kernel_suseconds_t; + #else -#include <asm/posix_types_32.h> -#endif +/* sparc 32 bit */ + +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef long int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_umode_t; +typedef short __kernel_nlink_t; +typedef long __kernel_daddr_t; +typedef long __kernel_off_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef unsigned short __kernel_old_dev_t; +typedef int __kernel_clockid_t; +typedef int __kernel_timer_t; + +#endif /* defined(__sparc__) && defined(__arch64__) */ + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; #endif + +typedef struct { + int val[2]; +} __kernel_fsid_t; + +#ifdef __KERNEL__ + +#undef __FD_SET +static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] |= (1UL<<_rem); +} + +#undef __FD_CLR +static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); +} + +#undef __FD_ISSET +static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant cases (8 or 32 longs, + * for 256 and 1024-bit fd_sets respectively) + */ +#undef __FD_ZERO +static inline void __FD_ZERO(__kernel_fd_set *p) +{ + unsigned long *tmp = p->fds_bits; + int i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 32: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; + tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; + tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; + tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; + tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; + tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; + return; + case 16: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; + tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; + return; + case 8: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + return; + case 4: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + return; + } + } + i = __FDSET_LONGS; + while (i) { + i--; + *tmp = 0; + tmp++; + } +} + +#endif /* __KERNEL__ */ +#endif /* __SPARC_POSIX_TYPES_H */ diff --git a/arch/sparc/include/asm/posix_types_32.h b/arch/sparc/include/asm/posix_types_32.h deleted file mode 100644 index 6bb6eb1ca0f..00000000000 --- a/arch/sparc/include/asm/posix_types_32.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef __ARCH_SPARC_POSIX_TYPES_H -#define __ARCH_SPARC_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef long int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef short __kernel_nlink_t; -typedef long __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */ diff --git a/arch/sparc/include/asm/posix_types_64.h b/arch/sparc/include/asm/posix_types_64.h deleted file mode 100644 index ba8f9329576..00000000000 --- a/arch/sparc/include/asm/posix_types_64.h +++ /dev/null @@ -1,122 +0,0 @@ -#ifndef __ARCH_SPARC64_POSIX_TYPES_H -#define __ARCH_SPARC64_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef unsigned int __kernel_nlink_t; -typedef int __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef __kernel_uid_t __kernel_uid32_t; -typedef __kernel_gid_t __kernel_gid32_t; - -typedef unsigned int __kernel_old_dev_t; - -/* Note this piece of asymmetry from the v9 ABI. */ -typedef int __kernel_suseconds_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */ diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index 2ae67a2e7f3..09521c6a5ed 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -99,7 +99,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, "st\t%%g0, [%0 + %3 + 0x3c]" : /* no outputs */ : "r" (regs), - "r" (sp - sizeof(struct reg_window)), + "r" (sp - sizeof(struct reg_window32)), "r" (zero), "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])) : "memory"); diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index 6dcbe2eed2e..30b0b797dc0 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -1,8 +1,448 @@ -#ifndef ___ASM_SPARC_PTRACE_H -#define ___ASM_SPARC_PTRACE_H +#ifndef __SPARC_PTRACE_H +#define __SPARC_PTRACE_H + #if defined(__sparc__) && defined(__arch64__) -#include <asm/ptrace_64.h> +/* 64 bit sparc */ +#include <asm/pstate.h> + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. + */ + +/* This magic value must have the low 9 bits clear, + * as that is where we encode the %tt value, see below. + */ +#define PT_REGS_MAGIC 0x57ac6c00 + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> + +struct pt_regs { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + + /* We encode a magic number, PT_REGS_MAGIC, along + * with the %tt (trap type) register value at trap + * entry time. The magic number allows us to identify + * accurately a trap stack frame in the stack + * unwinder, and the %tt value allows us to test + * things like "in a system call" etc. for an arbitray + * process. + * + * The PT_REGS_MAGIC is choosen such that it can be + * loaded completely using just a sethi instruction. + */ + unsigned int magic; +}; + +struct pt_regs32 { + unsigned int psr; + unsigned int pc; + unsigned int npc; + unsigned int y; + unsigned int u_regs[16]; /* globals and ins */ +}; + +/* A V9 register window */ +struct reg_window { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +/* A 32-bit register window. */ +struct reg_window32 { + unsigned int locals[8]; + unsigned int ins[8]; +}; + +/* A V9 Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; + +/* A 32-bit Sparc stack frame */ +struct sparc_stackf32 { + unsigned int locals[8]; + unsigned int ins[6]; + unsigned int fp; + unsigned int callers_pc; + unsigned int structptr; + unsigned int xargs[6]; + unsigned int xxargs[1]; +}; + +struct sparc_trapf { + unsigned long locals[8]; + unsigned long ins[8]; + unsigned long _unused; + struct pt_regs *regs; +}; +#endif /* (!__ASSEMBLY__) */ #else -#include <asm/ptrace_32.h> +/* 32 bit sparc */ + +#include <asm/psr.h> + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. + */ +#ifndef __ASSEMBLY__ + +struct pt_regs { + unsigned long psr; + unsigned long pc; + unsigned long npc; + unsigned long y; + unsigned long u_regs[16]; /* globals and ins */ +}; + +/* A 32-bit register window. */ +struct reg_window32 { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +/* A Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; +#endif /* (!__ASSEMBLY__) */ + +#endif /* (defined(__sparc__) && defined(__arch64__))*/ + +#ifndef __ASSEMBLY__ + +#define TRACEREG_SZ sizeof(struct pt_regs) +#define STACKFRAME_SZ sizeof(struct sparc_stackf) + +#define TRACEREG32_SZ sizeof(struct pt_regs32) +#define STACKFRAME32_SZ sizeof(struct sparc_stackf32) + +#endif /* (!__ASSEMBLY__) */ + +#define UREG_G0 0 +#define UREG_G1 1 +#define UREG_G2 2 +#define UREG_G3 3 +#define UREG_G4 4 +#define UREG_G5 5 +#define UREG_G6 6 +#define UREG_G7 7 +#define UREG_I0 8 +#define UREG_I1 9 +#define UREG_I2 10 +#define UREG_I3 11 +#define UREG_I4 12 +#define UREG_I5 13 +#define UREG_I6 14 +#define UREG_I7 15 +#define UREG_FP UREG_I6 +#define UREG_RETPC UREG_I7 + +#if defined(__sparc__) && defined(__arch64__) +/* 64 bit sparc */ + +#ifndef __ASSEMBLY__ + +#ifdef __KERNEL__ + +#include <linux/threads.h> +#include <asm/system.h> + +static inline int pt_regs_trap_type(struct pt_regs *regs) +{ + return regs->magic & 0x1ff; +} + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->tstate & TSTATE_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->tstate &= ~TSTATE_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + get_thread_wsaved() != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +struct global_reg_snapshot { + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned long o7; + unsigned long i7; + unsigned long rpc; + struct thread_info *thread; + unsigned long pad1; +}; +extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; + +#define force_successful_syscall_return() \ +do { current_thread_info()->syscall_noerror = 1; \ +} while (0) +#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) +#define instruction_pointer(regs) ((regs)->tpc) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +#define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *); +#else +#define profile_pc(regs) instruction_pointer(regs) #endif +extern void show_regs(struct pt_regs *); +#endif /* (__KERNEL__) */ + +#else /* __ASSEMBLY__ */ +/* For assembly code. */ +#define TRACEREG_SZ 0xa0 +#define STACKFRAME_SZ 0xc0 + +#define TRACEREG32_SZ 0x50 +#define STACKFRAME32_SZ 0x60 +#endif /* __ASSEMBLY__ */ + +#else /* (defined(__sparc__) && defined(__arch64__)) */ + +/* 32 bit sparc */ + +#ifndef __ASSEMBLY__ + +#ifdef __KERNEL__ + +#include <asm/system.h> + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->psr & PSR_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->psr &= ~PSR_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + current_thread_info()->w_saved != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +#define user_mode(regs) (!((regs)->psr & PSR_PS)) +#define instruction_pointer(regs) ((regs)->pc) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +unsigned long profile_pc(struct pt_regs *); +extern void show_regs(struct pt_regs *); +#endif /* (__KERNEL__) */ + +#else /* (!__ASSEMBLY__) */ +/* For assembly code. */ +#define TRACEREG_SZ 0x50 +#define STACKFRAME_SZ 0x60 +#endif /* (!__ASSEMBLY__) */ + +#endif /* (defined(__sparc__) && defined(__arch64__)) */ + +#ifdef __KERNEL__ +#define STACK_BIAS 2047 #endif + +/* These are for pt_regs. */ +#define PT_V9_G0 0x00 +#define PT_V9_G1 0x08 +#define PT_V9_G2 0x10 +#define PT_V9_G3 0x18 +#define PT_V9_G4 0x20 +#define PT_V9_G5 0x28 +#define PT_V9_G6 0x30 +#define PT_V9_G7 0x38 +#define PT_V9_I0 0x40 +#define PT_V9_I1 0x48 +#define PT_V9_I2 0x50 +#define PT_V9_I3 0x58 +#define PT_V9_I4 0x60 +#define PT_V9_I5 0x68 +#define PT_V9_I6 0x70 +#define PT_V9_FP PT_V9_I6 +#define PT_V9_I7 0x78 +#define PT_V9_TSTATE 0x80 +#define PT_V9_TPC 0x88 +#define PT_V9_TNPC 0x90 +#define PT_V9_Y 0x98 +#define PT_V9_MAGIC 0x9c +#define PT_TSTATE PT_V9_TSTATE +#define PT_TPC PT_V9_TPC +#define PT_TNPC PT_V9_TNPC + +/* These for pt_regs32. */ +#define PT_PSR 0x0 +#define PT_PC 0x4 +#define PT_NPC 0x8 +#define PT_Y 0xc +#define PT_G0 0x10 +#define PT_WIM PT_G0 +#define PT_G1 0x14 +#define PT_G2 0x18 +#define PT_G3 0x1c +#define PT_G4 0x20 +#define PT_G5 0x24 +#define PT_G6 0x28 +#define PT_G7 0x2c +#define PT_I0 0x30 +#define PT_I1 0x34 +#define PT_I2 0x38 +#define PT_I3 0x3c +#define PT_I4 0x40 +#define PT_I5 0x44 +#define PT_I6 0x48 +#define PT_FP PT_I6 +#define PT_I7 0x4c + +/* Reg_window offsets */ +#define RW_V9_L0 0x00 +#define RW_V9_L1 0x08 +#define RW_V9_L2 0x10 +#define RW_V9_L3 0x18 +#define RW_V9_L4 0x20 +#define RW_V9_L5 0x28 +#define RW_V9_L6 0x30 +#define RW_V9_L7 0x38 +#define RW_V9_I0 0x40 +#define RW_V9_I1 0x48 +#define RW_V9_I2 0x50 +#define RW_V9_I3 0x58 +#define RW_V9_I4 0x60 +#define RW_V9_I5 0x68 +#define RW_V9_I6 0x70 +#define RW_V9_I7 0x78 + +#define RW_L0 0x00 +#define RW_L1 0x04 +#define RW_L2 0x08 +#define RW_L3 0x0c +#define RW_L4 0x10 +#define RW_L5 0x14 +#define RW_L6 0x18 +#define RW_L7 0x1c +#define RW_I0 0x20 +#define RW_I1 0x24 +#define RW_I2 0x28 +#define RW_I3 0x2c +#define RW_I4 0x30 +#define RW_I5 0x34 +#define RW_I6 0x38 +#define RW_I7 0x3c + +/* Stack_frame offsets */ +#define SF_V9_L0 0x00 +#define SF_V9_L1 0x08 +#define SF_V9_L2 0x10 +#define SF_V9_L3 0x18 +#define SF_V9_L4 0x20 +#define SF_V9_L5 0x28 +#define SF_V9_L6 0x30 +#define SF_V9_L7 0x38 +#define SF_V9_I0 0x40 +#define SF_V9_I1 0x48 +#define SF_V9_I2 0x50 +#define SF_V9_I3 0x58 +#define SF_V9_I4 0x60 +#define SF_V9_I5 0x68 +#define SF_V9_FP 0x70 +#define SF_V9_PC 0x78 +#define SF_V9_RETP 0x80 +#define SF_V9_XARG0 0x88 +#define SF_V9_XARG1 0x90 +#define SF_V9_XARG2 0x98 +#define SF_V9_XARG3 0xa0 +#define SF_V9_XARG4 0xa8 +#define SF_V9_XARG5 0xb0 +#define SF_V9_XXARG 0xb8 + +#define SF_L0 0x00 +#define SF_L1 0x04 +#define SF_L2 0x08 +#define SF_L3 0x0c +#define SF_L4 0x10 +#define SF_L5 0x14 +#define SF_L6 0x18 +#define SF_L7 0x1c +#define SF_I0 0x20 +#define SF_I1 0x24 +#define SF_I2 0x28 +#define SF_I3 0x2c +#define SF_I4 0x30 +#define SF_I5 0x34 +#define SF_FP 0x38 +#define SF_PC 0x3c +#define SF_RETP 0x40 +#define SF_XARG0 0x44 +#define SF_XARG1 0x48 +#define SF_XARG2 0x4c +#define SF_XARG3 0x50 +#define SF_XARG4 0x54 +#define SF_XARG5 0x58 +#define SF_XXARG 0x5c + +#ifdef __KERNEL__ + +/* global_reg_snapshot offsets */ +#define GR_SNAP_TSTATE 0x00 +#define GR_SNAP_TPC 0x08 +#define GR_SNAP_TNPC 0x10 +#define GR_SNAP_O7 0x18 +#define GR_SNAP_I7 0x20 +#define GR_SNAP_RPC 0x28 +#define GR_SNAP_THREAD 0x30 +#define GR_SNAP_PAD1 0x38 + +#endif /* __KERNEL__ */ + +/* Stuff for the ptrace system call */ +#define PTRACE_SPARC_DETACH 11 +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_READDATA 16 +#define PTRACE_WRITEDATA 17 +#define PTRACE_READTEXT 18 +#define PTRACE_WRITETEXT 19 +#define PTRACE_GETFPAREGS 20 +#define PTRACE_SETFPAREGS 21 + +/* There are for debugging 64-bit processes, either from a 32 or 64 bit + * parent. Thus their complements are for debugging 32-bit processes only. + */ + +#define PTRACE_GETREGS64 22 +#define PTRACE_SETREGS64 23 +/* PTRACE_SYSCALL is 24 */ +#define PTRACE_GETFPREGS64 25 +#define PTRACE_SETFPREGS64 26 + +#endif /* !(__SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h deleted file mode 100644 index 4cef450167d..00000000000 --- a/arch/sparc/include/asm/ptrace_32.h +++ /dev/null @@ -1,186 +0,0 @@ -#ifndef _SPARC_PTRACE_H -#define _SPARC_PTRACE_H - -#include <asm/psr.h> - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -struct pt_regs { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_WIM UREG_G0 -#define UREG_FADDR UREG_G0 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#ifdef __KERNEL__ - -#include <asm/system.h> - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->psr & PSR_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->psr &= ~PSR_SYSCALL); -} - -#define arch_ptrace_stop_needed(exit_code, info) \ -({ flush_user_windows(); \ - current_thread_info()->w_saved != 0; \ -}) - -#define arch_ptrace_stop(exit_code, info) \ - synchronize_user_stack() - -#define user_mode(regs) (!((regs)->psr & PSR_PS)) -#define instruction_pointer(regs) ((regs)->pc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -unsigned long profile_pc(struct pt_regs *); -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0x50 -#define STACKFRAME_SZ 0x60 -#endif - -/* - * The asm-offsets.h is a generated file, so we cannot include it. - * It may be OK for glibc headers, but it's utterly pointless for C code. - * The assembly code using those offsets has to include it explicitly. - */ -/* #include <asm/asm-offsets.h> */ - -/* These are for pt_regs. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -#endif /* !(_SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h deleted file mode 100644 index cd6fbfc2043..00000000000 --- a/arch/sparc/include/asm/ptrace_64.h +++ /dev/null @@ -1,356 +0,0 @@ -#ifndef _SPARC64_PTRACE_H -#define _SPARC64_PTRACE_H - -#include <asm/pstate.h> - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -/* This magic value must have the low 9 bits clear, - * as that is where we encode the %tt value, see below. - */ -#define PT_REGS_MAGIC 0x57ac6c00 - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -struct pt_regs { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - - /* We encode a magic number, PT_REGS_MAGIC, along - * with the %tt (trap type) register value at trap - * entry time. The magic number allows us to identify - * accurately a trap stack frame in the stack - * unwinder, and the %tt value allows us to test - * things like "in a system call" etc. for an arbitray - * process. - * - * The PT_REGS_MAGIC is choosen such that it can be - * loaded completely using just a sethi instruction. - */ - unsigned int magic; -}; - -struct pt_regs32 { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A V9 register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A 32-bit register window. */ -struct reg_window32 { - unsigned int locals[8]; - unsigned int ins[8]; -}; - -/* A V9 Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -/* A 32-bit Sparc stack frame */ -struct sparc_stackf32 { - unsigned int locals[8]; - unsigned int ins[6]; - unsigned int fp; - unsigned int callers_pc; - unsigned int structptr; - unsigned int xargs[6]; - unsigned int xxargs[1]; -}; - -struct sparc_trapf { - unsigned long locals[8]; - unsigned long ins[8]; - unsigned long _unused; - struct pt_regs *regs; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#define TRACEREG32_SZ sizeof(struct pt_regs32) -#define STACKFRAME32_SZ sizeof(struct sparc_stackf32) - -#ifdef __KERNEL__ - -#include <linux/threads.h> -#include <asm/system.h> - -static inline int pt_regs_trap_type(struct pt_regs *regs) -{ - return regs->magic & 0x1ff; -} - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->tstate & TSTATE_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->tstate &= ~TSTATE_SYSCALL); -} - -#define arch_ptrace_stop_needed(exit_code, info) \ -({ flush_user_windows(); \ - get_thread_wsaved() != 0; \ -}) - -#define arch_ptrace_stop(exit_code, info) \ - synchronize_user_stack() - -struct global_reg_snapshot { - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned long o7; - unsigned long i7; - unsigned long rpc; - struct thread_info *thread; - unsigned long pad1; -}; -extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; - -#define force_successful_syscall_return() \ -do { current_thread_info()->syscall_noerror = 1; \ -} while (0) -#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) -#define instruction_pointer(regs) ((regs)->tpc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -#define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0xa0 -#define STACKFRAME_SZ 0xc0 - -#define TRACEREG32_SZ 0x50 -#define STACKFRAME32_SZ 0x60 -#endif - -#ifdef __KERNEL__ -#define STACK_BIAS 2047 -#endif - -/* These are for pt_regs. */ -#define PT_V9_G0 0x00 -#define PT_V9_G1 0x08 -#define PT_V9_G2 0x10 -#define PT_V9_G3 0x18 -#define PT_V9_G4 0x20 -#define PT_V9_G5 0x28 -#define PT_V9_G6 0x30 -#define PT_V9_G7 0x38 -#define PT_V9_I0 0x40 -#define PT_V9_I1 0x48 -#define PT_V9_I2 0x50 -#define PT_V9_I3 0x58 -#define PT_V9_I4 0x60 -#define PT_V9_I5 0x68 -#define PT_V9_I6 0x70 -#define PT_V9_FP PT_V9_I6 -#define PT_V9_I7 0x78 -#define PT_V9_TSTATE 0x80 -#define PT_V9_TPC 0x88 -#define PT_V9_TNPC 0x90 -#define PT_V9_Y 0x98 -#define PT_V9_MAGIC 0x9c -#define PT_TSTATE PT_V9_TSTATE -#define PT_TPC PT_V9_TPC -#define PT_TNPC PT_V9_TNPC - -/* These for pt_regs32. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_V9_L0 0x00 -#define RW_V9_L1 0x08 -#define RW_V9_L2 0x10 -#define RW_V9_L3 0x18 -#define RW_V9_L4 0x20 -#define RW_V9_L5 0x28 -#define RW_V9_L6 0x30 -#define RW_V9_L7 0x38 -#define RW_V9_I0 0x40 -#define RW_V9_I1 0x48 -#define RW_V9_I2 0x50 -#define RW_V9_I3 0x58 -#define RW_V9_I4 0x60 -#define RW_V9_I5 0x68 -#define RW_V9_I6 0x70 -#define RW_V9_I7 0x78 - -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_V9_L0 0x00 -#define SF_V9_L1 0x08 -#define SF_V9_L2 0x10 -#define SF_V9_L3 0x18 -#define SF_V9_L4 0x20 -#define SF_V9_L5 0x28 -#define SF_V9_L6 0x30 -#define SF_V9_L7 0x38 -#define SF_V9_I0 0x40 -#define SF_V9_I1 0x48 -#define SF_V9_I2 0x50 -#define SF_V9_I3 0x58 -#define SF_V9_I4 0x60 -#define SF_V9_I5 0x68 -#define SF_V9_FP 0x70 -#define SF_V9_PC 0x78 -#define SF_V9_RETP 0x80 -#define SF_V9_XARG0 0x88 -#define SF_V9_XARG1 0x90 -#define SF_V9_XARG2 0x98 -#define SF_V9_XARG3 0xa0 -#define SF_V9_XARG4 0xa8 -#define SF_V9_XARG5 0xb0 -#define SF_V9_XXARG 0xb8 - -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -#ifdef __KERNEL__ - -/* global_reg_snapshot offsets */ -#define GR_SNAP_TSTATE 0x00 -#define GR_SNAP_TPC 0x08 -#define GR_SNAP_TNPC 0x10 -#define GR_SNAP_O7 0x18 -#define GR_SNAP_I7 0x20 -#define GR_SNAP_RPC 0x28 -#define GR_SNAP_THREAD 0x30 -#define GR_SNAP_PAD1 0x38 - -#endif /* __KERNEL__ */ - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -/* There are for debugging 64-bit processes, either from a 32 or 64 bit - * parent. Thus their complements are for debugging 32-bit processes only. - */ - -#define PTRACE_GETREGS64 22 -#define PTRACE_SETREGS64 23 -/* PTRACE_SYSCALL is 24 */ -#define PTRACE_GETFPREGS64 25 -#define PTRACE_SETFPREGS64 26 - -#endif /* !(_SPARC64_PTRACE_H) */ diff --git a/arch/sparc/include/asm/reg.h b/arch/sparc/include/asm/reg.h deleted file mode 100644 index 0c16e19cae4..00000000000 --- a/arch/sparc/include/asm/reg.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_REG_H -#define ___ASM_SPARC_REG_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/reg_64.h> -#else -#include <asm/reg_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/reg_32.h b/arch/sparc/include/asm/reg_32.h deleted file mode 100644 index 1efb056fb3d..00000000000 --- a/arch/sparc/include/asm/reg_32.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * linux/include/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC_REG_H -#define __SPARC_REG_H - -struct regs { - int r_psr; -#define r_ps r_psr - int r_pc; - int r_npc; - int r_y; - int r_g1; - int r_g2; - int r_g3; - int r_g4; - int r_g5; - int r_g6; - int r_g7; - int r_o0; - int r_o1; - int r_o2; - int r_o3; - int r_o4; - int r_o5; - int r_o6; - int r_o7; -}; - -struct fpq { - unsigned long *addr; - unsigned long instr; -}; - -struct fq { - union { - double whole; - struct fpq fpq; - } FQu; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned - -struct fp_status { - union { - FPU_REGS_TYPE Fpu_regs[32]; - double Fpu_dregs[16]; - } fpu_fr; - FPU_FSR_TYPE Fpu_fsr; - unsigned Fpu_flags; - unsigned Fpu_extra; - unsigned Fpu_qcnt; - struct fq Fpu_q[16]; -}; - -#define fpu_regs f_fpstatus.fpu_fr.Fpu_regs -#define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs -#define fpu_fsr f_fpstatus.Fpu_fsr -#define fpu_flags f_fpstatus.Fpu_flags -#define fpu_extra f_fpstatus.Fpu_extra -#define fpu_q f_fpstatus.Fpu_q -#define fpu_qcnt f_fpstatus.Fpu_qcnt - -struct fpu { - struct fp_status f_fpstatus; -}; - -#endif /* __SPARC_REG_H */ diff --git a/arch/sparc/include/asm/reg_64.h b/arch/sparc/include/asm/reg_64.h deleted file mode 100644 index 6f277d7c7d8..00000000000 --- a/arch/sparc/include/asm/reg_64.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC64_REG_H -#define __SPARC64_REG_H - -struct regs { - unsigned long r_g1; - unsigned long r_g2; - unsigned long r_g3; - unsigned long r_g4; - unsigned long r_g5; - unsigned long r_g6; - unsigned long r_g7; - unsigned long r_o0; - unsigned long r_o1; - unsigned long r_o2; - unsigned long r_o3; - unsigned long r_o4; - unsigned long r_o5; - unsigned long r_o6; - unsigned long r_o7; - unsigned long __pad; - unsigned long r_tstate; - unsigned long r_tpc; - unsigned long r_tnpc; - unsigned int r_y; - unsigned int r_fprs; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned long - -struct fp_status { - unsigned long fpu_fr[32]; - unsigned long Fpu_fsr; -}; - -struct fpu { - struct fp_status f_fpstatus; -}; - -#define fpu_regs f_fpstatus.fpu_fr -#define fpu_fsr f_fpstatus.Fpu_fsr - -#endif /* __SPARC64_REG_H */ diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h index e92de7e286b..a1607d18035 100644 --- a/arch/sparc/include/asm/sigcontext.h +++ b/arch/sparc/include/asm/sigcontext.h @@ -1,8 +1,96 @@ -#ifndef ___ASM_SPARC_SIGCONTEXT_H -#define ___ASM_SPARC_SIGCONTEXT_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/sigcontext_64.h> +#ifndef __SPARC_SIGCONTEXT_H +#define __SPARC_SIGCONTEXT_H + +#ifdef __KERNEL__ +#include <asm/ptrace.h> + +#ifndef __ASSEMBLY__ + +#define __SUNOS_MAXWIN 31 + +/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ +struct sigcontext32 { + int sigc_onstack; /* state to restore */ + int sigc_mask; /* sigmask to restore */ + int sigc_sp; /* stack pointer */ + int sigc_pc; /* program counter */ + int sigc_npc; /* next program counter */ + int sigc_psr; /* for condition codes etc */ + int sigc_g1; /* User uses these two registers */ + int sigc_o0; /* within the trampoline code. */ + + /* Now comes information regarding the users window set + * at the time of the signal. + */ + int sigc_oswins; /* outstanding windows */ + + /* stack ptrs for each regwin buf */ + unsigned sigc_spbuf[__SUNOS_MAXWIN]; + + /* Windows to restore after signal */ + struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; +}; + + +/* This is what we use for 32bit new non-rt signals. */ + +typedef struct { + struct { + unsigned int psr; + unsigned int pc; + unsigned int npc; + unsigned int y; + unsigned int u_regs[16]; /* globals and ins */ + } si_regs; + int si_mask; +} __siginfo32_t; + +#ifdef CONFIG_SPARC64 +typedef struct { + unsigned int si_float_regs [64]; + unsigned long si_fsr; + unsigned long si_gsr; + unsigned long si_fprs; +} __siginfo_fpu_t; + +/* This is what SunOS doesn't, so we have to write this alone + and do it properly. */ +struct sigcontext { + /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ + char sigc_info[128]; + struct { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + unsigned int fprs; + } sigc_regs; + __siginfo_fpu_t * sigc_fpu_save; + struct { + void * ss_sp; + int ss_flags; + unsigned long ss_size; + } sigc_stack; + unsigned long sigc_mask; +}; + #else -#include <asm/sigcontext_32.h> -#endif -#endif + +typedef struct { + unsigned long si_float_regs [32]; + unsigned long si_fsr; + unsigned long si_fpqdepth; + struct { + unsigned long *insn_addr; + unsigned long insn; + } si_fpqueue [16]; +} __siginfo_fpu_t; +#endif /* (CONFIG_SPARC64) */ + + +#endif /* !(__ASSEMBLY__) */ + +#endif /* (__KERNEL__) */ + +#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_32.h b/arch/sparc/include/asm/sigcontext_32.h deleted file mode 100644 index c5fb60dcbd7..00000000000 --- a/arch/sparc/include/asm/sigcontext_32.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef __SPARC_SIGCONTEXT_H -#define __SPARC_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include <asm/ptrace.h> - -#ifndef __ASSEMBLY__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I. */ -struct sigcontext { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - char *sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct { - unsigned long locals[8]; - unsigned long ins[8]; - } sigc_wbuf[__SUNOS_MAXWIN]; -}; - -typedef struct { - struct { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo_t; - -typedef struct { - unsigned long si_float_regs [32]; - unsigned long si_fsr; - unsigned long si_fpqdepth; - struct { - unsigned long *insn_addr; - unsigned long insn; - } si_fpqueue [16]; -} __siginfo_fpu_t; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* (__KERNEL__) */ - -#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_64.h b/arch/sparc/include/asm/sigcontext_64.h deleted file mode 100644 index 1c868d680cf..00000000000 --- a/arch/sparc/include/asm/sigcontext_64.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef __SPARC64_SIGCONTEXT_H -#define __SPARC64_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include <asm/ptrace.h> -#endif - -#ifndef __ASSEMBLY__ - -#ifdef __KERNEL__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ -struct sigcontext32 { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - unsigned sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; -}; - -#endif - -#ifdef __KERNEL__ - -/* This is what we use for 32bit new non-rt signals. */ - -typedef struct { - struct { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo32_t; - -#endif - -typedef struct { - unsigned int si_float_regs [64]; - unsigned long si_fsr; - unsigned long si_gsr; - unsigned long si_fprs; -} __siginfo_fpu_t; - -/* This is what SunOS doesn't, so we have to write this alone - and do it properly. */ -struct sigcontext { - /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ - char sigc_info[128]; - struct { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - unsigned int fprs; - } sigc_regs; - __siginfo_fpu_t * sigc_fpu_save; - struct { - void * ss_sp; - int ss_flags; - unsigned long ss_size; - } sigc_stack; - unsigned long sigc_mask; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/siginfo.h b/arch/sparc/include/asm/siginfo.h index bd81f8d7f5c..988e5d8ed11 100644 --- a/arch/sparc/include/asm/siginfo.h +++ b/arch/sparc/include/asm/siginfo.h @@ -1,8 +1,37 @@ -#ifndef ___ASM_SPARC_SIGINFO_H -#define ___ASM_SPARC_SIGINFO_H +#ifndef __SPARC_SIGINFO_H +#define __SPARC_SIGINFO_H + #if defined(__sparc__) && defined(__arch64__) -#include <asm/siginfo_64.h> -#else -#include <asm/siginfo_32.h> -#endif -#endif + +#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) +#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) +#define __ARCH_SI_BAND_T int + +#endif /* defined(__sparc__) && defined(__arch64__) */ + + +#define __ARCH_SI_TRAPNO + +#include <asm-generic/siginfo.h> + +#ifdef __KERNEL__ + +#include <linux/compat.h> + +#ifdef CONFIG_COMPAT + +struct compat_siginfo; + +#endif /* CONFIG_COMPAT */ + +#endif /* __KERNEL__ */ + +#define SI_NOINFO 32767 /* no information in siginfo_t */ + +/* + * SIGEMT si_codes + */ +#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ +#define NSIGEMT 1 + +#endif /* !(__SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_32.h b/arch/sparc/include/asm/siginfo_32.h deleted file mode 100644 index 3c71af135c5..00000000000 --- a/arch/sparc/include/asm/siginfo_32.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef _SPARC_SIGINFO_H -#define _SPARC_SIGINFO_H - -#define __ARCH_SI_UID_T unsigned int -#define __ARCH_SI_TRAPNO - -#include <asm-generic/siginfo.h> - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif /* !(_SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_64.h b/arch/sparc/include/asm/siginfo_64.h deleted file mode 100644 index c96e6c30f8b..00000000000 --- a/arch/sparc/include/asm/siginfo_64.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _SPARC64_SIGINFO_H -#define _SPARC64_SIGINFO_H - -#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) - -#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) -#define __ARCH_SI_TRAPNO -#define __ARCH_SI_BAND_T int - -#include <asm-generic/siginfo.h> - -#ifdef __KERNEL__ - -#include <linux/compat.h> - -#ifdef CONFIG_COMPAT - -struct compat_siginfo; - -#endif /* CONFIG_COMPAT */ - -#endif /* __KERNEL__ */ - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index 27ab05dc203..41535e77b25 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -1,8 +1,210 @@ -#ifndef ___ASM_SPARC_SIGNAL_H -#define ___ASM_SPARC_SIGNAL_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/signal_64.h> +#ifndef __SPARC_SIGNAL_H +#define __SPARC_SIGNAL_H + +#include <asm/sigcontext.h> +#include <linux/compiler.h> + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#include <linux/personality.h> +#include <linux/types.h> +#endif +#endif + +/* On the Sparc the signal handlers get passed a 'sub-signal' code + * for certain signal types, which we document here. + */ +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SUBSIG_STACK 0 +#define SUBSIG_ILLINST 2 +#define SUBSIG_PRIVINST 3 +#define SUBSIG_BADTRAP(t) (0x80 + (t)) + +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 + +#define SIGEMT 7 +#define SUBSIG_TAG 10 + +#define SIGFPE 8 +#define SUBSIG_FPDISABLED 0x400 +#define SUBSIG_FPERROR 0x404 +#define SUBSIG_FPINTOVFL 0x001 +#define SUBSIG_FPSTSIG 0x002 +#define SUBSIG_IDIVZERO 0x014 +#define SUBSIG_FPINEXACT 0x0c4 +#define SUBSIG_FPDIVZERO 0x0c8 +#define SUBSIG_FPUNFLOW 0x0cc +#define SUBSIG_FPOPERROR 0x0d0 +#define SUBSIG_FPOVFLOW 0x0d4 + +#define SIGKILL 9 +#define SIGBUS 10 +#define SUBSIG_BUSTIMEOUT 1 +#define SUBSIG_ALIGNMENT 2 +#define SUBSIG_MISCERROR 5 + +#define SIGSEGV 11 +#define SUBSIG_NOMAPPING 3 +#define SUBSIG_PROTECTION 4 +#define SUBSIG_SEGERROR 5 + +#define SIGSYS 12 + +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGURG 16 + +/* SunOS values which deviate from the Linux/i386 ones */ +#define SIGSTOP 17 +#define SIGTSTP 18 +#define SIGCONT 19 +#define SIGCHLD 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGIO 23 +#define SIGPOLL SIGIO /* SysV name for SIGIO */ +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGLOST 29 +#define SIGPWR SIGLOST +#define SIGUSR1 30 +#define SIGUSR2 31 + +/* Most things should be clean enough to redefine this at will, if care + is taken to make libc match. */ + +#define __OLD_NSIG 32 +#define __NEW_NSIG 64 +#define _NSIG_BPW 64 +#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) + +#define SIGRTMIN 32 +#define SIGRTMAX __NEW_NSIG + +#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) +#define _NSIG __NEW_NSIG +#define __new_sigset_t sigset_t +#define __new_sigaction sigaction +#define __new_sigaction32 sigaction32 +#define __old_sigset_t old_sigset_t +#define __old_sigaction old_sigaction +#define __old_sigaction32 old_sigaction32 #else -#include <asm/signal_32.h> +#define _NSIG __OLD_NSIG +#define NSIG _NSIG +#define __old_sigset_t sigset_t +#define __old_sigaction sigaction +#define __old_sigaction32 sigaction32 #endif + +#ifndef __ASSEMBLY__ + +typedef unsigned long __old_sigset_t; /* at least 32 bits */ + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} __new_sigset_t; + +/* A SunOS sigstack */ +struct sigstack { + /* XXX 32-bit pointers pinhead XXX */ + char *the_stack; + int cur_status; +}; + +/* Sigvec flags */ +#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ +#define _SV_INTR 2u /* Sig return should not restart system call */ +#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ +#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ + +/* + * sa_flags values: SA_STACK is not currently supported, but will allow the + * usage of signal stacks by using the (now obsolete) sa_restorer field in + * the sigaction structure as a stack pointer. This is now possible due to + * the changes in signal handling. LBT 010493. + * SA_RESTART flag to get restarting signals (which were the default long ago) + */ +#define SA_NOCLDSTOP _SV_IGNCHILD +#define SA_STACK _SV_SSTACK +#define SA_ONSTACK _SV_SSTACK +#define SA_RESTART _SV_INTR +#define SA_ONESHOT _SV_RESET +#define SA_NOMASK 0x20u +#define SA_NOCLDWAIT 0x100u +#define SA_SIGINFO 0x200u + + +#define SIG_BLOCK 0x01 /* for blocking signals */ +#define SIG_UNBLOCK 0x02 /* for unblocking signals */ +#define SIG_SETMASK 0x04 /* for setting the signal mask */ + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 + +#ifdef __KERNEL__ +/* + * DJHR + * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this + * interrupt handler's irq structure should be statically allocated + * by the request_irq routine. + * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge + * of interrupt usage and that sucks. Also without a flag like this + * it may be possible for the free_irq routine to attempt to free + * statically allocated data.. which is NOT GOOD. + * + */ +#define SA_STATIC_ALLOC 0x8000 #endif + +#include <asm-generic/signal.h> + +struct __new_sigaction { + __sighandler_t sa_handler; + unsigned long sa_flags; + __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ + __new_sigset_t sa_mask; +}; + +struct __old_sigaction { + __sighandler_t sa_handler; + __old_sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ +}; + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ + +struct k_sigaction { + struct __new_sigaction sa; + void __user *ka_restorer; +}; + +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* !(__KERNEL__) */ + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_32.h b/arch/sparc/include/asm/signal_32.h deleted file mode 100644 index 96a60ab03ca..00000000000 --- a/arch/sparc/include/asm/signal_32.h +++ /dev/null @@ -1,207 +0,0 @@ -#ifndef _ASMSPARC_SIGNAL_H -#define _ASMSPARC_SIGNAL_H - -#include <asm/sigcontext.h> -#include <linux/compiler.h> - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/personality.h> -#include <linux/types.h> -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 32 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#else -#define _NSIG __OLD_NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - - -#ifdef __KERNEL__ -/* A SunOS sigstack */ -struct sigstack { - char *the_stack; - int cur_status; -}; -#endif - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#ifdef __KERNEL__ -/* - * DJHR - * SA_STATIC_ALLOC is used for the SPARC system to indicate that this - * interrupt handler's irq structure should be statically allocated - * by the request_irq routine. - * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge - * of interrupt usage and that sucks. Also without a flag like this - * it may be possible for the free_irq routine to attempt to free - * statically allocated data.. which is NOT GOOD. - * - */ -#define SA_STATIC_ALLOC 0x8000 -#endif - -#include <asm-generic/signal.h> - -#ifdef __KERNEL__ -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); /* Not used by Linux/SPARC */ - __new_sigset_t sa_mask; -}; - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer) (void); /* not used by Linux/SPARC */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_ASMSPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_64.h b/arch/sparc/include/asm/signal_64.h deleted file mode 100644 index ab1509a101c..00000000000 --- a/arch/sparc/include/asm/signal_64.h +++ /dev/null @@ -1,194 +0,0 @@ -#ifndef _ASMSPARC64_SIGNAL_H -#define _ASMSPARC64_SIGNAL_H - -#include <asm/sigcontext.h> - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/personality.h> -#include <linux/types.h> -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 64 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __new_sigaction32 sigaction32 -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#define __old_sigaction32 old_sigaction32 -#else -#define _NSIG __OLD_NSIG -#define NSIG _NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#define __old_sigaction32 sigaction32 -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - -/* A SunOS sigstack */ -struct sigstack { - /* XXX 32-bit pointers pinhead XXX */ - char *the_stack; - int cur_status; -}; - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#include <asm-generic/signal.h> - -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ - __new_sigset_t sa_mask; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_ASMSPARC64_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 8408d9d2a66..58101dc7049 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -170,7 +170,4 @@ void smp_setup_cpu_possible_map(void); #define smp_setup_cpu_possible_map() do { } while (0) #endif /* !(SMP) */ - -#define NO_PROC_ID 0xFF - #endif /* !(_SPARC_SMP_H) */ diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h index d8153013df7..55db5eca08e 100644 --- a/arch/sparc/include/asm/stat.h +++ b/arch/sparc/include/asm/stat.h @@ -1,8 +1,107 @@ -#ifndef ___ASM_SPARC_STAT_H -#define ___ASM_SPARC_STAT_H +#ifndef __SPARC_STAT_H +#define __SPARC_STAT_H + +#include <linux/types.h> + #if defined(__sparc__) && defined(__arch64__) -#include <asm/stat_64.h> +/* 64 bit sparc */ +struct stat { + unsigned st_dev; + ino_t st_ino; + mode_t st_mode; + short st_nlink; + uid_t st_uid; + gid_t st_gid; + unsigned st_rdev; + off_t st_size; + time_t st_atime; + time_t st_mtime; + time_t st_ctime; + off_t st_blksize; + off_t st_blocks; + unsigned long __unused4[2]; +}; + +struct stat64 { + unsigned long st_dev; + unsigned long st_ino; + unsigned long st_nlink; + + unsigned int st_mode; + unsigned int st_uid; + unsigned int st_gid; + unsigned int __pad0; + + unsigned long st_rdev; + long st_size; + long st_blksize; + long st_blocks; + + unsigned long st_atime; + unsigned long st_atime_nsec; + unsigned long st_mtime; + unsigned long st_mtime_nsec; + unsigned long st_ctime; + unsigned long st_ctime_nsec; + long __unused[3]; +}; + #else -#include <asm/stat_32.h> -#endif -#endif +/* 32 bit sparc */ +struct stat { + unsigned short st_dev; + ino_t st_ino; + mode_t st_mode; + short st_nlink; + uid_t st_uid; + gid_t st_gid; + unsigned short st_rdev; + off_t st_size; + time_t st_atime; + unsigned long st_atime_nsec; + time_t st_mtime; + unsigned long st_mtime_nsec; + time_t st_ctime; + unsigned long st_ctime_nsec; + off_t st_blksize; + off_t st_blocks; + unsigned long __unused4[2]; +}; + +#define STAT_HAVE_NSEC 1 + +struct stat64 { + unsigned long long st_dev; + + unsigned long long st_ino; + + unsigned int st_mode; + unsigned int st_nlink; + + unsigned int st_uid; + unsigned int st_gid; + + unsigned long long st_rdev; + + unsigned char __pad3[8]; + + long long st_size; + unsigned int st_blksize; + + unsigned char __pad4[8]; + unsigned int st_blocks; + + unsigned int st_atime; + unsigned int st_atime_nsec; + + unsigned int st_mtime; + unsigned int st_mtime_nsec; + + unsigned int st_ctime; + unsigned int st_ctime_nsec; + + unsigned int __unused4; + unsigned int __unused5; +}; +#endif /* defined(__sparc__) && defined(__arch64__) */ +#endif /* __SPARC_STAT_H */ diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h deleted file mode 100644 index 2299e1d5d94..00000000000 --- a/arch/sparc/include/asm/stat_32.h +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef _SPARC_STAT_H -#define _SPARC_STAT_H - -#include <linux/types.h> - -struct __old_kernel_stat { - unsigned short st_dev; - unsigned short st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_mtime; - unsigned long st_ctime; -}; - -struct stat { - unsigned short st_dev; - unsigned long st_ino; - unsigned short st_mode; - short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - long st_size; - long st_atime; - unsigned long st_atime_nsec; - long st_mtime; - unsigned long st_mtime_nsec; - long st_ctime; - unsigned long st_ctime_nsec; - long st_blksize; - long st_blocks; - unsigned long __unused4[2]; -}; - -#define STAT_HAVE_NSEC 1 - -struct stat64 { - unsigned long long st_dev; - - unsigned long long st_ino; - - unsigned int st_mode; - unsigned int st_nlink; - - unsigned int st_uid; - unsigned int st_gid; - - unsigned long long st_rdev; - - unsigned char __pad3[8]; - - long long st_size; - unsigned int st_blksize; - - unsigned char __pad4[8]; - unsigned int st_blocks; - - unsigned int st_atime; - unsigned int st_atime_nsec; - - unsigned int st_mtime; - unsigned int st_mtime_nsec; - - unsigned int st_ctime; - unsigned int st_ctime_nsec; - - unsigned int __unused4; - unsigned int __unused5; -}; - -#endif diff --git a/arch/sparc/include/asm/stat_64.h b/arch/sparc/include/asm/stat_64.h deleted file mode 100644 index 9650fdea847..00000000000 --- a/arch/sparc/include/asm/stat_64.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _SPARC64_STAT_H -#define _SPARC64_STAT_H - -#include <linux/types.h> - -struct stat { - unsigned st_dev; - ino_t st_ino; - mode_t st_mode; - short st_nlink; - uid_t st_uid; - gid_t st_gid; - unsigned st_rdev; - off_t st_size; - time_t st_atime; - time_t st_mtime; - time_t st_ctime; - off_t st_blksize; - off_t st_blocks; - unsigned long __unused4[2]; -}; - -struct stat64 { - unsigned long st_dev; - unsigned long st_ino; - unsigned long st_nlink; - - unsigned int st_mode; - unsigned int st_uid; - unsigned int st_gid; - unsigned int __pad0; - - unsigned long st_rdev; - long st_size; - long st_blksize; - long st_blocks; - - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; - long __unused[3]; -}; - -#endif diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 80fe547c3f4..0f7b0e5fb1c 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -45,7 +45,7 @@ struct thread_info { /* A place to store user windows and stack pointers * when the stack needs inspection. */ - struct reg_window reg_window[NSWINS]; /* align for ldd! */ + struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ unsigned long rwbuf_stkptrs[NSWINS]; unsigned long w_saved; diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h index bebdbf8f43a..3aa62dde343 100644 --- a/arch/sparc/include/asm/traps.h +++ b/arch/sparc/include/asm/traps.h @@ -10,7 +10,7 @@ #define NUM_SPARC_TRAPS 255 #ifndef __ASSEMBLY__ - +#ifdef __KERNEL__ /* This is for V8 compliant Sparc CPUS */ struct tt_entry { unsigned long inst_one; @@ -22,14 +22,7 @@ struct tt_entry { /* We set this to _start in system setup. */ extern struct tt_entry *sparc_ttable; -static inline unsigned long get_tbr(void) -{ - unsigned long tbr; - - __asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (tbr)); - return tbr; -} - +#endif /* (__KERNEL__) */ #endif /* !(__ASSEMBLY__) */ /* For patching the trap table at boot time, we need to know how to diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index f3488c45d57..1eff942fe22 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -669,7 +669,9 @@ void __init init_IRQ(void) btfixup(); } +#ifdef CONFIG_PROC_FS void init_irq_proc(void) { /* For now, nothing... */ } +#endif /* CONFIG_PROC_FS */ diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 757805ce02e..04df4edc007 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -14,14 +14,14 @@ extern unsigned long trapbase; void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; int i; gdb_regs[GDB_G0] = 0; for (i = 0; i < 15; i++) gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; for (i = 0; i < 8; i++) gdb_regs[GDB_L0 + i] = win->locals[i]; for (i = 0; i < 8; i++) @@ -43,7 +43,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) { struct thread_info *t = task_thread_info(p); - struct reg_window *win; + struct reg_window32 *win; int i; for (i = GDB_G0; i < GDB_G6; i++) @@ -55,7 +55,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[GDB_SP] = t->ksp; gdb_regs[GDB_O7] = 0; - win = (struct reg_window *) t->ksp; + win = (struct reg_window32 *) t->ksp; for (i = 0; i < 8; i++) gdb_regs[GDB_L0 + i] = win->locals[i]; for (i = 0; i < 8; i++) @@ -77,7 +77,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; int i; for (i = 0; i < 15; i++) @@ -96,7 +96,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) regs->npc = gdb_regs[GDB_NPC]; regs->y = gdb_regs[GDB_Y]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; for (i = 0; i < 8; i++) win->locals[i] = gdb_regs[GDB_L0 + i]; for (i = 0; i < 8; i++) diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c index ba960c02bb5..6ce1021d487 100644 --- a/arch/sparc/kernel/muldiv.c +++ b/arch/sparc/kernel/muldiv.c @@ -60,7 +60,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, } #define fetch_reg(reg, regs) ({ \ - struct reg_window __user *win; \ + struct reg_window32 __user *win; \ register unsigned long ret; \ \ if (!(reg)) ret = 0; \ @@ -68,7 +68,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, ret = regs->u_regs[(reg)]; \ } else { \ /* Ho hum, the slightly complicated case. */ \ - win = (struct reg_window __user *)regs->u_regs[UREG_FP];\ + win = (struct reg_window32 __user *)regs->u_regs[UREG_FP];\ if (get_user (ret, &win->locals[(reg) - 16])) return -1;\ } \ ret; \ @@ -77,7 +77,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, static inline int store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs) { - struct reg_window __user *win; + struct reg_window32 __user *win; if (!reg) return 0; @@ -86,7 +86,7 @@ store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs) return 0; } else { /* need to use put_user() in this case: */ - win = (struct reg_window __user *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 __user *) regs->u_regs[UREG_FP]; return (put_user(result, &win->locals[reg - 16])); } } diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index dfb3ec89298..3b34344082e 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -307,10 +307,7 @@ static void psycho_register_error_handlers(struct pci_pbm_info *pbm) /* We really mean to ignore the return result here. Two * PCI controller share the same interrupt numbers and - * drive the same front-end hardware. Whichever of the - * two get in here first will register the IRQ handler - * the second will just error out since we do not pass in - * IRQF_SHARED. + * drive the same front-end hardware. */ err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO_UE", pbm); diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 69d9315f4a9..5a8d8ced33d 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -180,13 +180,13 @@ static DEFINE_SPINLOCK(sparc_backtrace_lock); void __show_backtrace(unsigned long fp) { - struct reg_window *rw; + struct reg_window32 *rw; unsigned long flags; int cpu = smp_processor_id(); spin_lock_irqsave(&sparc_backtrace_lock, flags); - rw = (struct reg_window *)fp; + rw = (struct reg_window32 *)fp; while(rw && (((unsigned long) rw) >= PAGE_OFFSET) && !(((unsigned long) rw) & 0x7)) { printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] " @@ -196,7 +196,7 @@ void __show_backtrace(unsigned long fp) rw->ins[6], rw->ins[7]); printk("%pS\n", (void *) rw->ins[7]); - rw = (struct reg_window *) rw->ins[6]; + rw = (struct reg_window32 *) rw->ins[6]; } spin_unlock_irqrestore(&sparc_backtrace_lock, flags); } @@ -258,7 +258,7 @@ void show_stackframe(struct sparc_stackf *sf) void show_regs(struct pt_regs *r) { - struct reg_window *rw = (struct reg_window *) r->u_regs[14]; + struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14]; printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", r->psr, r->pc, r->npc, r->y, print_tainted()); @@ -287,7 +287,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) { unsigned long pc, fp; unsigned long task_base; - struct reg_window *rw; + struct reg_window32 *rw; int count = 0; if (tsk != NULL) @@ -301,7 +301,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (PAGE_SIZE << 1))) break; - rw = (struct reg_window *) fp; + rw = (struct reg_window32 *) fp; pc = rw->ins[7]; printk("[%08lx : ", pc); printk("%pS ] ", (void *) pc); @@ -679,7 +679,7 @@ unsigned long get_wchan(struct task_struct *task) unsigned long pc, fp, bias = 0; unsigned long task_base = (unsigned long) task; unsigned long ret = 0; - struct reg_window *rw; + struct reg_window32 *rw; int count = 0; if (!task || task == current || @@ -692,7 +692,7 @@ unsigned long get_wchan(struct task_struct *task) if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (2 * PAGE_SIZE))) break; - rw = (struct reg_window *) fp; + rw = (struct reg_window32 *) fp; pc = rw->ins[7]; if (!in_sched_functions(pc)) { ret = pc; diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 4e9af593db4..ff7b591c894 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -155,20 +155,12 @@ static struct property * __init build_one_prop(phandle node, char *prev, p->value = prom_early_alloc(special_len); memcpy(p->value, special_val, special_len); } else { -#ifdef CONFIG_SPARC32 - if (prev == NULL) { - name = prom_firstprop(node, NULL); - } else { - name = prom_nextprop(node, prev, NULL); - } -#else if (prev == NULL) { - prom_firstprop(node, p->name); + name = prom_firstprop(node, p->name); } else { - prom_nextprop(node, prev, p->name); + name = prom_nextprop(node, prev, p->name); } - name = p->name; -#endif + if (strlen(name) == 0) { tmp = p; return NULL; diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index c94f91c8b6e..181d069a2d4 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -34,7 +34,7 @@ extern void fpload(unsigned long *fpregs, unsigned long *fsr); struct signal_frame { struct sparc_stackf ss; - __siginfo_t info; + __siginfo32_t info; __siginfo_fpu_t __user *fpu_save; unsigned long insns[2] __attribute__ ((aligned (8))); unsigned int extramask[_NSIG_WORDS - 1]; @@ -351,7 +351,7 @@ static void setup_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __copy_to_user(sf->extramask, &oldset->sig[1], (_NSIG_WORDS - 1) * sizeof(unsigned int)); err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window)); + sizeof(struct reg_window32)); if (err) goto sigsegv; @@ -433,7 +433,7 @@ static void setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(current->sas_ss_size, &sf->stack.ss_size); err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window)); + sizeof(struct reg_window32)); err |= copy_siginfo_to_user(&sf->info, info); diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c index 716f3946c49..213645be6e9 100644 --- a/arch/sparc/kernel/traps_32.c +++ b/arch/sparc/kernel/traps_32.c @@ -67,7 +67,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) __RESTORE; __RESTORE; __RESTORE; __RESTORE; { - struct reg_window *rw = (struct reg_window *)regs->u_regs[UREG_FP]; + struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP]; /* Stop the back trace when we hit userland or we * find some badly aligned kernel stack. Set an upper @@ -79,7 +79,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) !(((unsigned long) rw) & 0x7)) { printk("Caller[%08lx]: %pS\n", rw->ins[7], (void *) rw->ins[7]); - rw = (struct reg_window *)rw->ins[6]; + rw = (struct reg_window32 *)rw->ins[6]; } } printk("Instruction DUMP:"); diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index c2a28c5ad65..6b1e6cde6ff 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -97,26 +97,26 @@ static inline int sign_extend_imm13(int imm) static inline unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; if(reg < 16) return (!reg ? 0 : regs->u_regs[reg]); /* Ho hum, the slightly complicated case. */ - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; return win->locals[reg - 16]; /* yes, I know what this does... */ } static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *regs) { - struct reg_window __user *win; + struct reg_window32 __user *win; unsigned long ret; if (reg < 16) return (!reg ? 0 : regs->u_regs[reg]); /* Ho hum, the slightly complicated case. */ - win = (struct reg_window __user *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 __user *) regs->u_regs[UREG_FP]; if ((unsigned long)win & 3) return -1; @@ -129,11 +129,11 @@ static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *reg static inline unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; if(reg < 16) return ®s->u_regs[reg]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; return &win->locals[reg - 16]; } diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index 9cc93eaa4ab..f24d298bda2 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -42,7 +42,7 @@ static inline void shift_window_buffer(int first_win, int last_win, struct threa for(i = first_win; i < last_win; i++) { tp->rwbuf_stkptrs[i] = tp->rwbuf_stkptrs[i+1]; - memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window)); + memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window32)); } } @@ -70,7 +70,7 @@ void synchronize_user_stack(void) /* Ok, let it rip. */ if (copy_to_user((char __user *) sp, &tp->reg_window[window], - sizeof(struct reg_window))) + sizeof(struct reg_window32))) continue; shift_window_buffer(window, tp->w_saved - 1, tp); @@ -119,7 +119,7 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who) if ((sp & 7) || copy_to_user((char __user *) sp, &tp->reg_window[window], - sizeof(struct reg_window))) + sizeof(struct reg_window32))) do_exit(SIGILL); } tp->w_saved = 0; diff --git a/arch/um/Makefile b/arch/um/Makefile index d944c343acd..0728def3223 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -22,10 +22,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas include $(srctree)/$(ARCH_DIR)/Makefile-skas -ARCH_INCLUDE := -I$(srctree)/$(ARCH_DIR)/include/shared +SHARED_HEADERS := $(ARCH_DIR)/include/shared +ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADERS) ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared ifneq ($(KBUILD_SRC),) -ARCH_INCLUDE += -I$(ARCH_DIR)/include/shared # for two generated files +ARCH_INCLUDE += -I$(SHARED_HEADERS) endif KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) @@ -85,8 +86,8 @@ endef KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH) -archprepare: $(ARCH_DIR)/include/shared/user_constants.h -prepare: $(ARCH_DIR)/include/shared/kern_constants.h +archprepare: $(SHARED_HEADERS)/user_constants.h +archprepare: $(SHARED_HEADERS)/kern_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib @@ -119,17 +120,13 @@ endef # When cleaning we don't include .config, so we don't include # TT or skas makefiles and don't clean skas_ptregs.h. CLEAN_FILES += linux x.i gmon.out \ - $(ARCH_DIR)/include/shared/user_constants.h \ - $(ARCH_DIR)/include/shared/kern_constants.h + $(SHARED_HEADERS)/user_constants.h \ + $(SHARED_HEADERS)/kern_constants.h archclean: @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f -$(objtree)/$(ARCH_DIR)/include/shared: - @echo ' MKDIR $@' - $(Q)mkdir -p $@ - # Generated files $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE @@ -148,11 +145,11 @@ define filechk_gen-asm-offsets echo ""; ) endef -$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s +$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s $(call filechk,gen-asm-offsets) -$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared - @echo ' SYMLINK $@' - $(Q)ln -sf ../../../../include/asm/asm-offsets.h $@ +$(SHARED_HEADERS)/kern_constants.h: + $(Q)mkdir -p $(dir $@) + $(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@ export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h index ae5f94d6317..753346e2cdf 100644 --- a/arch/um/include/asm/system.h +++ b/arch/um/include/asm/system.h @@ -11,21 +11,21 @@ extern int get_signals(void); extern void block_signals(void); extern void unblock_signals(void); -#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \ +#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ (flags) = get_signals(); } while(0) -#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \ +#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ set_signals(flags); } while(0) -#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \ - raw_local_irq_disable(); } while(0) +#define local_irq_save(flags) do { local_save_flags(flags); \ + local_irq_disable(); } while(0) -#define raw_local_irq_enable() unblock_signals() -#define raw_local_irq_disable() block_signals() +#define local_irq_enable() unblock_signals() +#define local_irq_disable() block_signals() #define irqs_disabled() \ ({ \ unsigned long flags; \ - raw_local_save_flags(flags); \ + local_save_flags(flags); \ (flags == 0); \ }) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 85a78575956..8078955845a 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -408,7 +408,7 @@ config X86_MINIMUM_CPU_FAMILY config X86_DEBUGCTLMSR def_bool y - depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) + depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) && !UML menuconfig PROCESSOR_SELECT bool "Supported processor vendors" if EMBEDDED diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index b8e05ee4f73..beea4466b06 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -160,6 +160,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) switch (c->x86_model) { case 0x0E: /* Core */ case 0x0F: /* Core Duo */ + case 0x16: /* Celeron Core */ p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE); case 0x0D: /* Pentium M (Dothan) */ @@ -171,7 +172,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) } if (c->x86 != 0xF) { - printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to <cpufreq@vger.kernel.org>\n"); + if (!cpu_has(c, X86_FEATURE_EST)) + printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. " + "Please send an e-mail to <cpufreq@vger.kernel.org>\n"); return 0; } @@ -274,6 +277,7 @@ static struct cpufreq_driver p4clockmod_driver = { .name = "p4-clockmod", .owner = THIS_MODULE, .attr = p4clockmod_attr, + .hide_interface = 1, }; diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c index 3b5f06423e7..f0ea6fa2f53 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c @@ -459,9 +459,7 @@ static int centrino_verify (struct cpufreq_policy *policy) * Sets a new CPUFreq policy. */ struct allmasks { - cpumask_t online_policy_cpus; cpumask_t saved_mask; - cpumask_t set_mask; cpumask_t covered_cpus; }; @@ -475,9 +473,7 @@ static int centrino_target (struct cpufreq_policy *policy, int retval = 0; unsigned int j, k, first_cpu, tmp; CPUMASK_ALLOC(allmasks); - CPUMASK_PTR(online_policy_cpus, allmasks); CPUMASK_PTR(saved_mask, allmasks); - CPUMASK_PTR(set_mask, allmasks); CPUMASK_PTR(covered_cpus, allmasks); if (unlikely(allmasks == NULL)) @@ -497,30 +493,28 @@ static int centrino_target (struct cpufreq_policy *policy, goto out; } -#ifdef CONFIG_HOTPLUG_CPU - /* cpufreq holds the hotplug lock, so we are safe from here on */ - cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus); -#else - *online_policy_cpus = policy->cpus; -#endif - *saved_mask = current->cpus_allowed; first_cpu = 1; cpus_clear(*covered_cpus); - for_each_cpu_mask_nr(j, *online_policy_cpus) { + for_each_cpu_mask_nr(j, policy->cpus) { + const cpumask_t *mask; + + /* cpufreq holds the hotplug lock, so we are safe here */ + if (!cpu_online(j)) + continue; + /* * Support for SMP systems. * Make sure we are running on CPU that wants to change freq */ - cpus_clear(*set_mask); if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) - cpus_or(*set_mask, *set_mask, *online_policy_cpus); + mask = &policy->cpus; else - cpu_set(j, *set_mask); + mask = &cpumask_of_cpu(j); - set_cpus_allowed_ptr(current, set_mask); + set_cpus_allowed_ptr(current, mask); preempt_disable(); - if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) { + if (unlikely(!cpu_isset(smp_processor_id(), *mask))) { dprintk("couldn't limit to CPUs in this domain\n"); retval = -EAGAIN; if (first_cpu) { @@ -548,7 +542,9 @@ static int centrino_target (struct cpufreq_policy *policy, dprintk("target=%dkHz old=%d new=%d msr=%04x\n", target_freq, freqs.old, freqs.new, msr); - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); @@ -571,7 +567,9 @@ static int centrino_target (struct cpufreq_policy *policy, preempt_enable(); } - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } @@ -584,18 +582,17 @@ static int centrino_target (struct cpufreq_policy *policy, * Best effort undo.. */ - if (!cpus_empty(*covered_cpus)) - for_each_cpu_mask_nr(j, *covered_cpus) { - set_cpus_allowed_ptr(current, - &cpumask_of_cpu(j)); - wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); - } + for_each_cpu_mask_nr(j, *covered_cpus) { + set_cpus_allowed_ptr(current, &cpumask_of_cpu(j)); + wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); + } tmp = freqs.new; freqs.new = freqs.old; freqs.old = tmp; - for_each_cpu_mask_nr(j, *online_policy_cpus) { - freqs.cpu = j; + for_each_cpu_mask_nr(j, policy->cpus) { + if (!cpu_online(j)) + continue; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c index 98d4fdb7dc0..cdac7d62369 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c @@ -139,6 +139,15 @@ static unsigned int pentium_core_get_frequency(void) case 3: fsb = 166667; break; + case 2: + fsb = 200000; + break; + case 0: + fsb = 266667; + break; + case 4: + fsb = 333333; + break; default: printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value"); } diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index 242c3440687..8cba3749a51 100644 --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -13,7 +13,7 @@ int swiotlb __read_mostly; -void *swiotlb_alloc_boot(size_t size, unsigned long nslabs) +void * __init swiotlb_alloc_boot(size_t size, unsigned long nslabs) { return alloc_bootmem_low_pages(size); } diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 31d6f535a79..01dde80597f 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -754,6 +754,11 @@ static struct kobj_type ktype_cpufreq = { .release = cpufreq_sysfs_release, }; +static struct kobj_type ktype_empty_cpufreq = { + .sysfs_ops = &sysfs_ops, + .release = cpufreq_sysfs_release, +}; + /** * cpufreq_add_dev - add a CPU device @@ -822,8 +827,8 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) dprintk("initialization failed\n"); goto err_out; } - policy->user_policy.min = policy->cpuinfo.min_freq; - policy->user_policy.max = policy->cpuinfo.max_freq; + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); @@ -876,26 +881,36 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) memcpy(&new_policy, policy, sizeof(struct cpufreq_policy)); /* prepare interface data */ - ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj, - "cpufreq"); - if (ret) - goto err_out_driver_exit; - - /* set up files for this cpu device */ - drv_attr = cpufreq_driver->attr; - while ((drv_attr) && (*drv_attr)) { - ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr)); + if (!cpufreq_driver->hide_interface) { + ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, + &sys_dev->kobj, "cpufreq"); if (ret) goto err_out_driver_exit; - drv_attr++; - } - if (cpufreq_driver->get) { - ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr); - if (ret) - goto err_out_driver_exit; - } - if (cpufreq_driver->target) { - ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr); + + /* set up files for this cpu device */ + drv_attr = cpufreq_driver->attr; + while ((drv_attr) && (*drv_attr)) { + ret = sysfs_create_file(&policy->kobj, + &((*drv_attr)->attr)); + if (ret) + goto err_out_driver_exit; + drv_attr++; + } + if (cpufreq_driver->get) { + ret = sysfs_create_file(&policy->kobj, + &cpuinfo_cur_freq.attr); + if (ret) + goto err_out_driver_exit; + } + if (cpufreq_driver->target) { + ret = sysfs_create_file(&policy->kobj, + &scaling_cur_freq.attr); + if (ret) + goto err_out_driver_exit; + } + } else { + ret = kobject_init_and_add(&policy->kobj, &ktype_empty_cpufreq, + &sys_dev->kobj, "cpufreq"); if (ret) goto err_out_driver_exit; } diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index b4fd8ca701a..e85c8fe9ffc 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -85,14 +85,14 @@ config HID_COMPAT config HID_A4TECH tristate "A4 tech" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for A4 tech X5 and WOP-35 / Trust 450L mice. config HID_APPLE tristate "Apple" if EMBEDDED depends on (USB_HID || BT_HIDP) - default y + default !EMBEDDED ---help--- Support for some Apple devices which less or more break HID specification. @@ -103,64 +103,49 @@ config HID_APPLE config HID_BELKIN tristate "Belkin" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Belkin Flip KVM and Wireless keyboard. -config HID_BRIGHT - tristate "Bright" if EMBEDDED - depends on USB_HID - default y - ---help--- - Support for Bright ABNT-2 keyboard. - config HID_CHERRY tristate "Cherry" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Cherry Cymotion keyboard. config HID_CHICONY tristate "Chicony" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Chicony Tactical pad. config HID_CYPRESS tristate "Cypress" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for cypress mouse and barcode readers. -config HID_DELL - tristate "Dell" if EMBEDDED - depends on USB_HID - default y - ---help--- - Support for quirky Dell HID hardware that require - special LED handling (W7658 and SK8115 models) - config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Ezkey BTC 8193 keyboard. config HID_GYRATION tristate "Gyration" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Gyration remote control. config HID_LOGITECH tristate "Logitech" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Logitech devices that are not fully compliant with HID standard. @@ -191,21 +176,28 @@ config LOGIRUMBLEPAD2_FF config HID_MICROSOFT tristate "Microsoft" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Microsoft devices that are not fully compliant with HID standard. config HID_MONTEREY tristate "Monterey" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Monterey Genius KB29E. +config HID_NTRIG + tristate "NTrig" if EMBEDDED + depends on USB_HID + default !EMBEDDED + ---help--- + Support for N-Trig touch screen. + config HID_PANTHERLORD tristate "Pantherlord devices support" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for PantherLord/GreenAsia based device support. @@ -220,31 +212,47 @@ config PANTHERLORD_FF config HID_PETALYNX tristate "Petalynx" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Petalynx Maxter remote control. config HID_SAMSUNG tristate "Samsung" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Samsung InfraRed remote control. config HID_SONY tristate "Sony" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Sony PS3 controller. config HID_SUNPLUS tristate "Sunplus" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Sunplus wireless desktop. +config GREENASIA_FF + tristate "GreenAsia (Product ID 0x12) force feedback support" + depends on USB_HID + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you have a GreenAsia (Product ID 0x12) based game controller + (like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter + and want to enable force feedback support for it. + +config HID_TOPSEED + tristate "TopSeed Cyberlink remote control support" if EMBEDDED + depends on USB_HID + default !EMBEDDED + ---help--- + Say Y if you have a TopSeed Cyberlink remote control. + config THRUSTMASTER_FF tristate "ThrustMaster devices support" depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index b09e43e7413..fbd021f153f 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -23,22 +23,23 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_BELKIN) += hid-belkin.o -obj-$(CONFIG_HID_BRIGHT) += hid-bright.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o -obj-$(CONFIG_HID_DELL) += hid-dell.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o +obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o +obj-$(CONFIG_GREENASIA_FF) += hid-gaff.o obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o +obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-bright.c b/drivers/hid/hid-bright.c deleted file mode 100644 index 38517a117df..00000000000 --- a/drivers/hid/hid-bright.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * HID driver for some bright "special" devices - * - * Copyright (c) 2008 Mauro Carvalho Chehab <mchehab@redhat.com> - * - * Based on hid-dell driver - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> - -#include "hid-ids.h" - -static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; - } - - usbhid_set_leds(hdev); - - return 0; -err_free: - return ret; -} - -static const struct hid_device_id bright_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, - { } -}; -MODULE_DEVICE_TABLE(hid, bright_devices); - -static struct hid_driver bright_driver = { - .name = "bright", - .id_table = bright_devices, - .probe = bright_probe, -}; - -static int bright_init(void) -{ - return hid_register_driver(&bright_driver); -} - -static void bright_exit(void) -{ - hid_unregister_driver(&bright_driver); -} - -module_init(bright_init); -module_exit(bright_exit); -MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(bright); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 40df3e1b4bd..5d7640e49dc 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1256,19 +1256,16 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, - { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, @@ -1279,7 +1276,6 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, @@ -1297,23 +1293,105 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, + { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, { } }; +struct hid_dynid { + struct list_head list; + struct hid_device_id id; +}; + +/** + * store_new_id - add a new HID device ID to this driver and re-probe devices + * @driver: target device driver + * @buf: buffer for scanning device ID data + * @count: input size + * + * Adds a new dynamic hid device ID to this driver, + * and causes the driver to probe for all devices again. + */ +static ssize_t store_new_id(struct device_driver *drv, const char *buf, + size_t count) +{ + struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_dynid *dynid; + __u32 bus, vendor, product; + unsigned long driver_data = 0; + int ret; + + ret = sscanf(buf, "%x %x %x %lx", + &bus, &vendor, &product, &driver_data); + if (ret < 3) + return -EINVAL; + + dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); + if (!dynid) + return -ENOMEM; + + dynid->id.bus = bus; + dynid->id.vendor = vendor; + dynid->id.product = product; + dynid->id.driver_data = driver_data; + + spin_lock(&hdrv->dyn_lock); + list_add_tail(&dynid->list, &hdrv->dyn_list); + spin_unlock(&hdrv->dyn_lock); + + ret = 0; + if (get_driver(&hdrv->driver)) { + ret = driver_attach(&hdrv->driver); + put_driver(&hdrv->driver); + } + + return ret ? : count; +} +static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); + +static void hid_free_dynids(struct hid_driver *hdrv) +{ + struct hid_dynid *dynid, *n; + + spin_lock(&hdrv->dyn_lock); + list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { + list_del(&dynid->list); + kfree(dynid); + } + spin_unlock(&hdrv->dyn_lock); +} + +static const struct hid_device_id *hid_match_device(struct hid_device *hdev, + struct hid_driver *hdrv) +{ + struct hid_dynid *dynid; + + spin_lock(&hdrv->dyn_lock); + list_for_each_entry(dynid, &hdrv->dyn_list, list) { + if (hid_match_one_id(hdev, &dynid->id)) { + spin_unlock(&hdrv->dyn_lock); + return &dynid->id; + } + } + spin_unlock(&hdrv->dyn_lock); + + return hid_match_id(hdev, hdrv->id_table); +} + static int hid_bus_match(struct device *dev, struct device_driver *drv) { struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); struct hid_device *hdev = container_of(dev, struct hid_device, dev); - if (!hid_match_id(hdev, hdrv->id_table)) + if (!hid_match_device(hdev, hdrv)) return 0; /* generic wants all non-blacklisted */ @@ -1332,7 +1410,7 @@ static int hid_device_probe(struct device *dev) int ret = 0; if (!hdev->driver) { - id = hid_match_id(hdev, hdrv->id_table); + id = hid_match_device(hdev, hdrv); if (id == NULL) return -ENODEV; @@ -1420,6 +1498,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, @@ -1577,6 +1656,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } @@ -1618,9 +1700,10 @@ int hid_add_device(struct hid_device *hdev) if (hid_ignore(hdev)) return -ENODEV; - /* XXX hack, any other cleaner solution < 20 bus_id bytes? */ - sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus, - hdev->vendor, hdev->product, atomic_inc_return(&id)); + /* XXX hack, any other cleaner solution after the driver core + * is converted to allow more than 20 bytes as the device name? */ + dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, + hdev->vendor, hdev->product, atomic_inc_return(&id)); ret = device_add(&hdev->dev); if (!ret) @@ -1695,18 +1778,33 @@ EXPORT_SYMBOL_GPL(hid_destroy_device); int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, const char *mod_name) { + int ret; + hdrv->driver.name = hdrv->name; hdrv->driver.bus = &hid_bus_type; hdrv->driver.owner = owner; hdrv->driver.mod_name = mod_name; - return driver_register(&hdrv->driver); + INIT_LIST_HEAD(&hdrv->dyn_list); + spin_lock_init(&hdrv->dyn_lock); + + ret = driver_register(&hdrv->driver); + if (ret) + return ret; + + ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); + if (ret) + driver_unregister(&hdrv->driver); + + return ret; } EXPORT_SYMBOL_GPL(__hid_register_driver); void hid_unregister_driver(struct hid_driver *hdrv) { + driver_remove_file(&hdrv->driver, &driver_attr_new_id); driver_unregister(&hdrv->driver); + hid_free_dynids(hdrv); } EXPORT_SYMBOL_GPL(hid_unregister_driver); diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c deleted file mode 100644 index f5474300b83..00000000000 --- a/drivers/hid/hid-dell.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * HID driver for some dell "special" devices - * - * Copyright (c) 1999 Andreas Gal - * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> - * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc - * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley - * Copyright (c) 2008 Jiri Slaby - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> - -#include "hid-ids.h" - -static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; - } - - usbhid_set_leds(hdev); - - return 0; -err_free: - return ret; -} - -static const struct hid_device_id dell_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, - { } -}; -MODULE_DEVICE_TABLE(hid, dell_devices); - -static struct hid_driver dell_driver = { - .name = "dell", - .id_table = dell_devices, - .probe = dell_probe, -}; - -static int dell_init(void) -{ - return hid_register_driver(&dell_driver); -} - -static void dell_exit(void) -{ - hid_unregister_driver(&dell_driver); -} - -module_init(dell_init); -module_exit(dell_exit); -MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(dell); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index e148f86fb58..b4cc0f743d6 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -43,6 +43,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MONTEREY_MODULE HID_COMPAT_CALL_DRIVER(monterey); #endif +#ifdef CONFIG_HID_NTRIG_MODULE + HID_COMPAT_CALL_DRIVER(ntrig); +#endif #ifdef CONFIG_HID_PANTHERLORD_MODULE HID_COMPAT_CALL_DRIVER(pantherlord); #endif @@ -58,6 +61,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif +#ifdef CONFIG_GREENASIA_FF_MODULE + HID_COMPAT_CALL_DRIVER(greenasia); +#endif #ifdef CONFIG_THRUSTMASTER_FF_MODULE HID_COMPAT_CALL_DRIVER(thrustmaster); #endif diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c new file mode 100644 index 00000000000..71211f6a4f0 --- /dev/null +++ b/drivers/hid/hid-gaff.c @@ -0,0 +1,185 @@ +/* + * Force feedback support for GreenAsia (Product ID 0x12) based devices + * + * The devices are distributed under various names and the same USB device ID + * can be used in many game controllers. + * + * + * 0e8f:0012 "GreenAsia Inc. USB Joystick " + * - tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635. + * + * Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> +#include "hid-ids.h" +#include "usbhid/usbhid.h" + +struct gaff_device { + struct hid_report *report; +}; + +static int hid_gaff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct gaff_device *gaff = data; + int left, right; + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + + dbg_hid("called with 0x%04x 0x%04x", left, right); + + left = left * 0xfe / 0xffff; + right = right * 0xfe / 0xffff; + + gaff->report->field[0]->value[0] = 0x51; + gaff->report->field[0]->value[1] = 0x0; + gaff->report->field[0]->value[2] = right; + gaff->report->field[0]->value[3] = 0; + gaff->report->field[0]->value[4] = left; + gaff->report->field[0]->value[5] = 0; + dbg_hid("running with 0x%02x 0x%02x", left, right); + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + gaff->report->field[0]->value[0] = 0xfa; + gaff->report->field[0]->value[1] = 0xfe; + gaff->report->field[0]->value[2] = 0x0; + gaff->report->field[0]->value[4] = 0x0; + + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + return 0; +} + +static int gaff_init(struct hid_device *hid) +{ + struct gaff_device *gaff; + struct hid_report *report; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct list_head *report_ptr = report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output reports found\n"); + return -ENODEV; + } + + report_ptr = report_ptr->next; + + report = list_entry(report_ptr, struct hid_report, list); + if (report->maxfield < 1) { + dev_err(&hid->dev, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 6) { + dev_err(&hid->dev, "not enough values in the field\n"); + return -ENODEV; + } + + gaff = kzalloc(sizeof(struct gaff_device), GFP_KERNEL); + if (!gaff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, gaff, hid_gaff_play); + if (error) { + kfree(gaff); + return error; + } + + gaff->report = report; + gaff->report->field[0]->value[0] = 0x51; + gaff->report->field[0]->value[1] = 0x00; + gaff->report->field[0]->value[2] = 0x00; + gaff->report->field[0]->value[3] = 0x00; + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + gaff->report->field[0]->value[0] = 0xfa; + gaff->report->field[0]->value[1] = 0xfe; + + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + dev_info(&hid->dev, "Force Feedback for GreenAsia 0x12" + " devices by Lukasz Lubojanski <lukasz@lubojanski.info>\n"); + + return 0; +} + +static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + dev_dbg(&hdev->dev, "Greenasia HID hardware probe..."); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + gaff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id ga_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012), }, + { } +}; +MODULE_DEVICE_TABLE(hid, ga_devices); + +static struct hid_driver ga_driver = { + .name = "greenasia", + .id_table = ga_devices, + .probe = ga_probe, +}; + +static int __init ga_init(void) +{ + return hid_register_driver(&ga_driver); +} + +static void __exit ga_exit(void) +{ + hid_unregister_driver(&ga_driver); +} + +module_init(ga_init); +module_exit(ga_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(greenasia); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 39289699c32..acc1abc834a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -107,9 +107,6 @@ #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 -#define USB_VENDOR_ID_BRIGHT 0x1241 -#define USB_DEVICE_ID_BRIGHT_ABNT2 0x1503 - #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 @@ -141,9 +138,8 @@ #define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 #define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 -#define USB_VENDOR_ID_DELL 0x413c -#define USB_DEVICE_ID_DELL_W7658 0x2005 -#define USB_DEVICE_ID_DELL_SK8115 0x2105 +#define USB_VENDOR_ID_DEALEXTREAME 0x10c5 +#define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701 0x819a #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 @@ -167,9 +163,6 @@ #define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc -#define USB_VENDOR_ID_GENERIC_13BA 0x13ba -#define USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE 0x0017 - #define USB_VENDOR_ID_GLAB 0x06c2 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039 @@ -292,7 +285,6 @@ #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a -#define USB_DEVICE_ID_LOGITECH_KBD 0xc311 #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 @@ -339,6 +331,9 @@ #define USB_VENDOR_ID_NEC 0x073e #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 +#define USB_VENDOR_ID_NTRIG 0x1b96 +#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001 + #define USB_VENDOR_ID_ONTRAK 0x0a07 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 @@ -383,9 +378,15 @@ #define USB_VENDOR_ID_TOPMAX 0x0663 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 +#define USB_VENDOR_ID_TOPSEED 0x0766 +#define USB_DEVICE_ID_TOPSEED_CYBERLINK 0x0204 + #define USB_VENDOR_ID_TURBOX 0x062a #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 +#define USB_VENDOR_ID_UCLOGIC 0x5543 +#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042 + #define USB_VENDOR_ID_VERNIER 0x08f7 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 2bae340eafe..83e07c9f414 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -26,7 +26,6 @@ #define LG_RDESC 0x001 #define LG_BAD_RELATIVE_KEYS 0x002 #define LG_DUPLICATE_USAGES 0x004 -#define LG_RESET_LEDS 0x008 #define LG_EXPANDED_KEYMAP 0x010 #define LG_IGNORE_DOUBLED_WHEEL 0x020 #define LG_WIRELESS 0x040 @@ -248,9 +247,6 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - if (quirks & LG_RESET_LEDS) - usbhid_set_leds(hdev); - if (quirks & LG_FF) lgff_init(hdev); if (quirks & LG_FF2) @@ -279,9 +275,6 @@ static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI), .driver_data = LG_DUPLICATE_USAGES }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD), - .driver_data = LG_RESET_LEDS }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD), .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500), diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c new file mode 100644 index 00000000000..db44fbd7bdf --- /dev/null +++ b/drivers/hid/hid-ntrig.c @@ -0,0 +1,82 @@ +/* + * HID driver for some ntrig "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + * Copyright (c) 2008 Rafi Rubin + * + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define NTRIG_DUPLICATE_USAGES 0x001 + +#define nt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) + +static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_DIGITIZER && + (usage->hid & 0xff) == 0x47) { + nt_map_key_clear(BTN_TOOL_DOUBLETAP); + return 1; + } + return 0; +} + +static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->type == EV_KEY || usage->type == EV_REL + || usage->type == EV_ABS) + clear_bit(usage->code, *bit); + + return 0; +} +static const struct hid_device_id ntrig_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN), + .driver_data = NTRIG_DUPLICATE_USAGES }, + { } +}; +MODULE_DEVICE_TABLE(hid, ntrig_devices); + +static struct hid_driver ntrig_driver = { + .name = "ntrig", + .id_table = ntrig_devices, + .input_mapping = ntrig_input_mapping, + .input_mapped = ntrig_input_mapped, +}; + +static int ntrig_init(void) +{ + return hid_register_driver(&ntrig_driver); +} + +static void ntrig_exit(void) +{ + hid_unregister_driver(&ntrig_driver); +} + +module_init(ntrig_init); +module_exit(ntrig_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(ntrig); diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 86e563b8d64..dd5a3979a4d 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -102,7 +102,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) } ret = sony_set_operational(hdev); - if (ret) + if (ret < 0) goto err_stop; return 0; diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c new file mode 100644 index 00000000000..cca64a0564a --- /dev/null +++ b/drivers/hid/hid-topseed.c @@ -0,0 +1,77 @@ +/* + * HID driver for TopSeed Cyberlink remote + * + * Copyright (c) 2008 Lev Babiev + * based on hid-cherry driver + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define ts_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x00d: ts_map_key_clear(KEY_HOME); break; + case 0x024: ts_map_key_clear(KEY_MENU); break; + case 0x025: ts_map_key_clear(KEY_TV); break; + case 0x048: ts_map_key_clear(KEY_RED); break; + case 0x047: ts_map_key_clear(KEY_GREEN); break; + case 0x049: ts_map_key_clear(KEY_YELLOW); break; + case 0x04a: ts_map_key_clear(KEY_BLUE); break; + case 0x04b: ts_map_key_clear(KEY_ANGLE); break; + case 0x04c: ts_map_key_clear(KEY_LANGUAGE); break; + case 0x04d: ts_map_key_clear(KEY_SUBTITLE); break; + case 0x031: ts_map_key_clear(KEY_AUDIO); break; + case 0x032: ts_map_key_clear(KEY_TEXT); break; + case 0x033: ts_map_key_clear(KEY_CHANNEL); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ts_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ts_devices); + +static struct hid_driver ts_driver = { + .name = "topseed", + .id_table = ts_devices, + .input_mapping = ts_input_mapping, +}; + +static int ts_init(void) +{ + return hid_register_driver(&ts_driver); +} + +static void ts_exit(void) +{ + hid_unregister_driver(&ts_driver); +} + +module_init(ts_init); +module_exit(ts_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(topseed); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 7685ae6808c..73244962897 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -208,7 +208,7 @@ static int hidraw_release(struct inode * inode, struct file * file) list_del(&list->node); dev = hidraw_table[minor]; - if (!dev->open--) { + if (!--dev->open) { if (list->hidraw->exist) dev->hid->ll_driver->close(dev->hid); else @@ -265,6 +265,34 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, break; } default: + { + struct hid_device *hid = dev->hid; + if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) + return -EINVAL; + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { + int len; + if (!hid->name) + return 0; + len = strlen(hid->name) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->name, len) ? + -EFAULT : len; + } + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { + int len; + if (!hid->phys) + return 0; + len = strlen(hid->phys) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->phys, len) ? + -EFAULT : len; + } + } + ret = -ENOTTY; } unlock_kernel(); @@ -329,7 +357,7 @@ int hidraw_connect(struct hid_device *hid) goto out; } - dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), + dev->dev = device_create(hidraw_class, &hid->dev, MKDEV(hidraw_major, minor), NULL, "%s%d", "hidraw", minor); if (IS_ERR(dev->dev)) { diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 5d9aa95fc3e..4edb3bef94a 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -45,7 +45,7 @@ config USB_HIDDEV If unsure, say Y. menu "USB HID Boot Protocol drivers" - depends on USB!=n && USB_HID!=y + depends on USB!=n && USB_HID!=y && EMBEDDED config USB_KBD tristate "USB HIDBP Keyboard (simple Boot) support" diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 606369ea24c..03cb494af1c 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -4,7 +4,7 @@ * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc - * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2006-2008 Jiri Kosina */ /* @@ -641,9 +641,7 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type, unsigned int size; list_for_each_entry(report, &hid->report_enum[type].report_list, list) { - size = ((report->size - 1) >> 3) + 1; - if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered) - size++; + size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered; if (*max < size) *max = size; } @@ -653,13 +651,16 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma))) - return -1; - if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma))) - return -1; - if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma))) - return -1; - if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma))) + usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->inbuf_dma); + usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->outbuf_dma); + usbhid->cr = usb_buffer_alloc(dev, sizeof(*usbhid->cr), GFP_KERNEL, + &usbhid->cr_dma); + usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->ctrlbuf_dma); + if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr || + !usbhid->ctrlbuf) return -1; return 0; @@ -807,7 +808,7 @@ static int usbhid_start(struct hid_device *hid) int interval; endpoint = &interface->endpoint[n].desc; - if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */ + if (!usb_endpoint_xfer_int(endpoint)) continue; interval = endpoint->bInterval; @@ -876,6 +877,15 @@ static int usbhid_start(struct hid_device *hid) set_bit(HID_STARTED, &usbhid->iofl); + /* Some keyboards don't work until their LEDs have been set. + * Since BIOSes do set the LEDs, it must be safe for any device + * that supports the keyboard boot protocol. + */ + if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT && + interface->desc.bInterfaceProtocol == + USB_INTERFACE_PROTOCOL_KEYBOARD) + usbhid_set_leds(hid); + return 0; fail: diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 47ebe045f9b..4391717d251 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -54,6 +54,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 83e851a5ed3..6a98f9f572b 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -49,6 +49,7 @@ struct hiddev { int exist; int open; + struct mutex existancelock; wait_queue_head_t wait; struct hid_device *hid; struct list_head list; @@ -63,6 +64,7 @@ struct hiddev_list { struct fasync_struct *fasync; struct hiddev *hiddev; struct list_head node; + struct mutex thread_lock; }; static struct hiddev *hiddev_table[HIDDEV_MINORS]; @@ -264,29 +266,48 @@ static int hiddev_release(struct inode * inode, struct file * file) static int hiddev_open(struct inode *inode, struct file *file) { struct hiddev_list *list; - unsigned long flags; + int res; int i = iminor(inode) - HIDDEV_MINOR_BASE; - if (i >= HIDDEV_MINORS || !hiddev_table[i]) + if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i]) return -ENODEV; if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL))) return -ENOMEM; + mutex_init(&list->thread_lock); list->hiddev = hiddev_table[i]; - spin_lock_irqsave(&list->hiddev->list_lock, flags); - list_add_tail(&list->node, &hiddev_table[i]->list); - spin_unlock_irqrestore(&list->hiddev->list_lock, flags); file->private_data = list; - if (!list->hiddev->open++) - if (list->hiddev->exist) - usbhid_open(hiddev_table[i]->hid); + /* + * no need for locking because the USB major number + * is shared which usbcore guards against disconnect + */ + if (list->hiddev->exist) { + if (!list->hiddev->open++) { + res = usbhid_open(hiddev_table[i]->hid); + if (res < 0) { + res = -EIO; + goto bail; + } + } + } else { + res = -ENODEV; + goto bail; + } + + spin_lock_irq(&list->hiddev->list_lock); + list_add_tail(&list->node, &hiddev_table[i]->list); + spin_unlock_irq(&list->hiddev->list_lock); return 0; +bail: + file->private_data = NULL; + kfree(list->hiddev); + return res; } /* @@ -305,7 +326,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun DECLARE_WAITQUEUE(wait, current); struct hiddev_list *list = file->private_data; int event_size; - int retval = 0; + int retval; event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ? sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event); @@ -313,10 +334,14 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun if (count < event_size) return 0; + /* lock against other threads */ + retval = mutex_lock_interruptible(&list->thread_lock); + if (retval) + return -ERESTARTSYS; + while (retval == 0) { if (list->head == list->tail) { - add_wait_queue(&list->hiddev->wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); + prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE); while (list->head == list->tail) { if (file->f_flags & O_NONBLOCK) { @@ -332,35 +357,45 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun break; } + /* let O_NONBLOCK tasks run */ + mutex_unlock(&list->thread_lock); schedule(); + if (mutex_lock_interruptible(&list->thread_lock)) + return -EINTR; set_current_state(TASK_INTERRUPTIBLE); } + finish_wait(&list->hiddev->wait, &wait); - set_current_state(TASK_RUNNING); - remove_wait_queue(&list->hiddev->wait, &wait); } - if (retval) + if (retval) { + mutex_unlock(&list->thread_lock); return retval; + } while (list->head != list->tail && retval + event_size <= count) { if ((list->flags & HIDDEV_FLAG_UREF) == 0) { - if (list->buffer[list->tail].field_index != - HID_FIELD_INDEX_NONE) { + if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE) { struct hiddev_event event; + event.hid = list->buffer[list->tail].usage_code; event.value = list->buffer[list->tail].value; - if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) + if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) { + mutex_unlock(&list->thread_lock); return -EFAULT; + } retval += sizeof(struct hiddev_event); } } else { if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE || (list->flags & HIDDEV_FLAG_REPORT) != 0) { - if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) + + if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) { + mutex_unlock(&list->thread_lock); return -EFAULT; + } retval += sizeof(struct hiddev_usage_ref); } } @@ -368,6 +403,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun } } + mutex_unlock(&list->thread_lock); return retval; } @@ -555,7 +591,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct hid_field *field; struct usbhid_device *usbhid = hid->driver_data; void __user *user_arg = (void __user *)arg; - int i; + int i, r; /* Called without BKL by compat methods so no BKL taken */ @@ -619,10 +655,22 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } case HIDIOCGSTRING: - return hiddev_ioctl_string(hiddev, cmd, user_arg); + mutex_lock(&hiddev->existancelock); + if (!hiddev->exist) + r = hiddev_ioctl_string(hiddev, cmd, user_arg); + else + r = -ENODEV; + mutex_unlock(&hiddev->existancelock); + return r; case HIDIOCINITREPORT: + mutex_lock(&hiddev->existancelock); + if (!hiddev->exist) { + mutex_unlock(&hiddev->existancelock); + return -ENODEV; + } usbhid_init_reports(hid); + mutex_unlock(&hiddev->existancelock); return 0; @@ -636,8 +684,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) return -EINVAL; - usbhid_submit_report(hid, report, USB_DIR_IN); - usbhid_wait_io(hid); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) { + usbhid_submit_report(hid, report, USB_DIR_IN); + usbhid_wait_io(hid); + } + mutex_unlock(&hiddev->existancelock); return 0; @@ -651,8 +703,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) return -EINVAL; - usbhid_submit_report(hid, report, USB_DIR_OUT); - usbhid_wait_io(hid); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) { + usbhid_submit_report(hid, report, USB_DIR_OUT); + usbhid_wait_io(hid); + } + mutex_unlock(&hiddev->existancelock); return 0; @@ -710,7 +766,13 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case HIDIOCGUSAGES: case HIDIOCSUSAGES: case HIDIOCGCOLLECTIONINDEX: - return hiddev_ioctl_usage(hiddev, cmd, user_arg); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) + r = hiddev_ioctl_usage(hiddev, cmd, user_arg); + else + r = -ENODEV; + mutex_unlock(&hiddev->existancelock); + return r; case HIDIOCGCOLLECTIONINFO: if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) @@ -808,23 +870,22 @@ int hiddev_connect(struct hid_device *hid, unsigned int force) if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL))) return -1; - retval = usb_register_dev(usbhid->intf, &hiddev_class); - if (retval) { - err_hid("Not able to get a minor for this device."); - kfree(hiddev); - return -1; - } - init_waitqueue_head(&hiddev->wait); INIT_LIST_HEAD(&hiddev->list); spin_lock_init(&hiddev->list_lock); + mutex_init(&hiddev->existancelock); hiddev->hid = hid; hiddev->exist = 1; - hid->minor = usbhid->intf->minor; - hid->hiddev = hiddev; - - hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; + retval = usb_register_dev(usbhid->intf, &hiddev_class); + if (retval) { + err_hid("Not able to get a minor for this device."); + kfree(hiddev); + return -1; + } else { + hid->minor = usbhid->intf->minor; + hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; + } return 0; } @@ -839,7 +900,9 @@ void hiddev_disconnect(struct hid_device *hid) struct hiddev *hiddev = hid->hiddev; struct usbhid_device *usbhid = hid->driver_data; + mutex_lock(&hiddev->existancelock); hiddev->exist = 0; + mutex_unlock(&hiddev->existancelock); hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL; usb_deregister_dev(usbhid->intf, &hiddev_class); diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 332abcdf995..9eb30564be9 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -40,6 +40,16 @@ int usbhid_open(struct hid_device *hid); void usbhid_init_reports(struct hid_device *hid); void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); +/* iofl flags */ +#define HID_CTRL_RUNNING 1 +#define HID_OUT_RUNNING 2 +#define HID_IN_RUNNING 3 +#define HID_RESET_PENDING 4 +#define HID_SUSPENDED 5 +#define HID_CLEAR_HALT 6 +#define HID_DISCONNECTED 7 +#define HID_STARTED 8 + /* * USB-specific HID struct, to be pointed to * from struct hid_device->driver_data diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 608038d64f8..be8ee2cac8b 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -2,13 +2,16 @@ * TI OMAP I2C master mode driver * * Copyright (C) 2003 MontaVista Software, Inc. - * Copyright (C) 2004 Texas Instruments. - * - * Updated to work with multiple I2C interfaces on 24xx by - * Tony Lindgren <tony@atomide.com> and Imre Deak <imre.deak@nokia.com> * Copyright (C) 2005 Nokia Corporation + * Copyright (C) 2004 - 2007 Texas Instruments. * - * Cleaned up by Juha Yrjölä <juha.yrjola@nokia.com> + * Originally written by MontaVista Software, Inc. + * Additional contributions by: + * Tony Lindgren <tony@atomide.com> + * Imre Deak <imre.deak@nokia.com> + * Juha Yrjölä <juha.yrjola@solidboot.com> + * Syed Khasim <x0khasim@ti.com> + * Nishant Menon <nm@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,8 +36,14 @@ #include <linux/completion.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/io.h> + +/* I2C controller revisions */ +#define OMAP_I2C_REV_2 0x20 -#include <asm/io.h> +/* I2C controller revisions present on specific hardware */ +#define OMAP_I2C_REV_ON_2430 0x36 +#define OMAP_I2C_REV_ON_3430 0x3C /* timeout waiting for the controller to respond */ #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000)) @@ -43,6 +52,8 @@ #define OMAP_I2C_IE_REG 0x04 #define OMAP_I2C_STAT_REG 0x08 #define OMAP_I2C_IV_REG 0x0c +/* For OMAP3 I2C_IV has changed to I2C_WE (wakeup enable) */ +#define OMAP_I2C_WE_REG 0x0c #define OMAP_I2C_SYSS_REG 0x10 #define OMAP_I2C_BUF_REG 0x14 #define OMAP_I2C_CNT_REG 0x18 @@ -55,8 +66,11 @@ #define OMAP_I2C_SCLL_REG 0x34 #define OMAP_I2C_SCLH_REG 0x38 #define OMAP_I2C_SYSTEST_REG 0x3c +#define OMAP_I2C_BUFSTAT_REG 0x40 /* I2C Interrupt Enable Register (OMAP_I2C_IE): */ +#define OMAP_I2C_IE_XDR (1 << 14) /* TX Buffer drain int enable */ +#define OMAP_I2C_IE_RDR (1 << 13) /* RX Buffer drain int enable */ #define OMAP_I2C_IE_XRDY (1 << 4) /* TX data ready int enable */ #define OMAP_I2C_IE_RRDY (1 << 3) /* RX data ready int enable */ #define OMAP_I2C_IE_ARDY (1 << 2) /* Access ready int enable */ @@ -64,7 +78,8 @@ #define OMAP_I2C_IE_AL (1 << 0) /* Arbitration lost int ena */ /* I2C Status Register (OMAP_I2C_STAT): */ -#define OMAP_I2C_STAT_SBD (1 << 15) /* Single byte data */ +#define OMAP_I2C_STAT_XDR (1 << 14) /* TX Buffer draining */ +#define OMAP_I2C_STAT_RDR (1 << 13) /* RX Buffer draining */ #define OMAP_I2C_STAT_BB (1 << 12) /* Bus busy */ #define OMAP_I2C_STAT_ROVR (1 << 11) /* Receive overrun */ #define OMAP_I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ @@ -76,13 +91,34 @@ #define OMAP_I2C_STAT_NACK (1 << 1) /* No ack interrupt enable */ #define OMAP_I2C_STAT_AL (1 << 0) /* Arbitration lost int ena */ +/* I2C WE wakeup enable register */ +#define OMAP_I2C_WE_XDR_WE (1 << 14) /* TX drain wakup */ +#define OMAP_I2C_WE_RDR_WE (1 << 13) /* RX drain wakeup */ +#define OMAP_I2C_WE_AAS_WE (1 << 9) /* Address as slave wakeup*/ +#define OMAP_I2C_WE_BF_WE (1 << 8) /* Bus free wakeup */ +#define OMAP_I2C_WE_STC_WE (1 << 6) /* Start condition wakeup */ +#define OMAP_I2C_WE_GC_WE (1 << 5) /* General call wakeup */ +#define OMAP_I2C_WE_DRDY_WE (1 << 3) /* TX/RX data ready wakeup */ +#define OMAP_I2C_WE_ARDY_WE (1 << 2) /* Reg access ready wakeup */ +#define OMAP_I2C_WE_NACK_WE (1 << 1) /* No acknowledgment wakeup */ +#define OMAP_I2C_WE_AL_WE (1 << 0) /* Arbitration lost wakeup */ + +#define OMAP_I2C_WE_ALL (OMAP_I2C_WE_XDR_WE | OMAP_I2C_WE_RDR_WE | \ + OMAP_I2C_WE_AAS_WE | OMAP_I2C_WE_BF_WE | \ + OMAP_I2C_WE_STC_WE | OMAP_I2C_WE_GC_WE | \ + OMAP_I2C_WE_DRDY_WE | OMAP_I2C_WE_ARDY_WE | \ + OMAP_I2C_WE_NACK_WE | OMAP_I2C_WE_AL_WE) + /* I2C Buffer Configuration Register (OMAP_I2C_BUF): */ #define OMAP_I2C_BUF_RDMA_EN (1 << 15) /* RX DMA channel enable */ +#define OMAP_I2C_BUF_RXFIF_CLR (1 << 14) /* RX FIFO Clear */ #define OMAP_I2C_BUF_XDMA_EN (1 << 7) /* TX DMA channel enable */ +#define OMAP_I2C_BUF_TXFIF_CLR (1 << 6) /* TX FIFO Clear */ /* I2C Configuration Register (OMAP_I2C_CON): */ #define OMAP_I2C_CON_EN (1 << 15) /* I2C module enable */ #define OMAP_I2C_CON_BE (1 << 14) /* Big endian mode */ +#define OMAP_I2C_CON_OPMODE_HS (1 << 12) /* High Speed support */ #define OMAP_I2C_CON_STB (1 << 11) /* Start byte mode (master) */ #define OMAP_I2C_CON_MST (1 << 10) /* Master/slave mode */ #define OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */ @@ -91,6 +127,10 @@ #define OMAP_I2C_CON_STP (1 << 1) /* Stop cond (master only) */ #define OMAP_I2C_CON_STT (1 << 0) /* Start condition (master) */ +/* I2C SCL time value when Master */ +#define OMAP_I2C_SCLL_HSSCLL 8 +#define OMAP_I2C_SCLH_HSSCLH 8 + /* I2C System Test Register (OMAP_I2C_SYSTEST): */ #ifdef DEBUG #define OMAP_I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ @@ -103,17 +143,19 @@ #define OMAP_I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive out */ #endif -/* I2C System Status register (OMAP_I2C_SYSS): */ -#define OMAP_I2C_SYSS_RDONE (1 << 0) /* Reset Done */ +/* OCP_SYSSTATUS bit definitions */ +#define SYSS_RESETDONE_MASK (1 << 0) + +/* OCP_SYSCONFIG bit definitions */ +#define SYSC_CLOCKACTIVITY_MASK (0x3 << 8) +#define SYSC_SIDLEMODE_MASK (0x3 << 3) +#define SYSC_ENAWAKEUP_MASK (1 << 2) +#define SYSC_SOFTRESET_MASK (1 << 1) +#define SYSC_AUTOIDLE_MASK (1 << 0) -/* I2C System Configuration Register (OMAP_I2C_SYSC): */ -#define OMAP_I2C_SYSC_SRST (1 << 1) /* Soft Reset */ +#define SYSC_IDLEMODE_SMART 0x2 +#define SYSC_CLOCKACTIVITY_FCLK 0x2 -/* REVISIT: Use platform_data instead of module parameters */ -/* Fast Mode = 400 kHz, Standard = 100 kHz */ -static int clock = 100; /* Default: 100 kHz */ -module_param(clock, int, 0); -MODULE_PARM_DESC(clock, "Set I2C clock in kHz: 400=fast mode (default == 100)"); struct omap_i2c_dev { struct device *dev; @@ -123,11 +165,17 @@ struct omap_i2c_dev { struct clk *fclk; /* Functional clock */ struct completion cmd_complete; struct resource *ioarea; + u32 speed; /* Speed of bus in Khz */ u16 cmd_err; u8 *buf; size_t buf_len; struct i2c_adapter adapter; - unsigned rev1:1; + u8 fifo_size; /* use as flag and value + * fifo_size==0 implies no fifo + * if set, should be trsh+1 + */ + u8 rev; + unsigned b_hw:1; /* bad h/w fixes */ unsigned idle:1; u16 iestate; /* Saved interrupt register */ }; @@ -143,9 +191,9 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg) return __raw_readw(i2c_dev->base + reg); } -static int omap_i2c_get_clocks(struct omap_i2c_dev *dev) +static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev) { - if (cpu_is_omap16xx() || cpu_is_omap24xx()) { + if (cpu_is_omap16xx() || cpu_class_is_omap2()) { dev->iclk = clk_get(dev->dev, "i2c_ick"); if (IS_ERR(dev->iclk)) { dev->iclk = NULL; @@ -178,25 +226,33 @@ static void omap_i2c_put_clocks(struct omap_i2c_dev *dev) static void omap_i2c_unidle(struct omap_i2c_dev *dev) { + WARN_ON(!dev->idle); + if (dev->iclk != NULL) clk_enable(dev->iclk); clk_enable(dev->fclk); + dev->idle = 0; if (dev->iestate) omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate); - dev->idle = 0; } static void omap_i2c_idle(struct omap_i2c_dev *dev) { u16 iv; - dev->idle = 1; + WARN_ON(dev->idle); + dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); - if (dev->rev1) - iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ - else + if (dev->rev < OMAP_I2C_REV_2) { + iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ + } else { omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); + + /* Flush posted write before the dev->idle store occurs */ + omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG); + } + dev->idle = 1; clk_disable(dev->fclk); if (dev->iclk != NULL) clk_disable(dev->iclk); @@ -204,18 +260,20 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) static int omap_i2c_init(struct omap_i2c_dev *dev) { - u16 psc = 0; + u16 psc = 0, scll = 0, sclh = 0; + u16 fsscll = 0, fssclh = 0, hsscll = 0, hssclh = 0; unsigned long fclk_rate = 12000000; unsigned long timeout; + unsigned long internal_clk = 0; - if (!dev->rev1) { - omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, OMAP_I2C_SYSC_SRST); + if (dev->rev >= OMAP_I2C_REV_2) { + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, SYSC_SOFTRESET_MASK); /* For some reason we need to set the EN bit before the * reset done bit gets set. */ timeout = jiffies + OMAP_I2C_TIMEOUT; omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); while (!(omap_i2c_read_reg(dev, OMAP_I2C_SYSS_REG) & - OMAP_I2C_SYSS_RDONE)) { + SYSS_RESETDONE_MASK)) { if (time_after(jiffies, timeout)) { dev_warn(dev->dev, "timeout waiting " "for controller reset\n"); @@ -223,6 +281,33 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) } msleep(1); } + + /* SYSC register is cleared by the reset; rewrite it */ + if (dev->rev == OMAP_I2C_REV_ON_2430) { + + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, + SYSC_AUTOIDLE_MASK); + + } else if (dev->rev >= OMAP_I2C_REV_ON_3430) { + u32 v; + + v = SYSC_AUTOIDLE_MASK; + v |= SYSC_ENAWAKEUP_MASK; + v |= (SYSC_IDLEMODE_SMART << + __ffs(SYSC_SIDLEMODE_MASK)); + v |= (SYSC_CLOCKACTIVITY_FCLK << + __ffs(SYSC_CLOCKACTIVITY_MASK)); + + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, v); + /* + * Enabling all wakup sources to stop I2C freezing on + * WFI instruction. + * REVISIT: Some wkup sources might not be needed. + */ + omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, + OMAP_I2C_WE_ALL); + + } } omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); @@ -249,27 +334,65 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) psc = fclk_rate / 12000000; } + if (cpu_is_omap2430() || cpu_is_omap34xx()) { + + /* HSI2C controller internal clk rate should be 19.2 Mhz */ + internal_clk = 19200; + fclk_rate = clk_get_rate(dev->fclk) / 1000; + + /* Compute prescaler divisor */ + psc = fclk_rate / internal_clk; + psc = psc - 1; + + /* If configured for High Speed */ + if (dev->speed > 400) { + /* For first phase of HS mode */ + fsscll = internal_clk / (400 * 2) - 6; + fssclh = internal_clk / (400 * 2) - 6; + + /* For second phase of HS mode */ + hsscll = fclk_rate / (dev->speed * 2) - 6; + hssclh = fclk_rate / (dev->speed * 2) - 6; + } else { + /* To handle F/S modes */ + fsscll = internal_clk / (dev->speed * 2) - 6; + fssclh = internal_clk / (dev->speed * 2) - 6; + } + scll = (hsscll << OMAP_I2C_SCLL_HSSCLL) | fsscll; + sclh = (hssclh << OMAP_I2C_SCLH_HSSCLH) | fssclh; + } else { + /* Program desired operating rate */ + fclk_rate /= (psc + 1) * 1000; + if (psc > 2) + psc = 2; + scll = fclk_rate / (dev->speed * 2) - 7 + psc; + sclh = fclk_rate / (dev->speed * 2) - 7 + psc; + } + /* Setup clock prescaler to obtain approx 12MHz I2C module clock: */ omap_i2c_write_reg(dev, OMAP_I2C_PSC_REG, psc); - /* Program desired operating rate */ - fclk_rate /= (psc + 1) * 1000; - if (psc > 2) - psc = 2; + /* SCL low and high time values */ + omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, scll); + omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, sclh); - omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, - fclk_rate / (clock * 2) - 7 + psc); - omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, - fclk_rate / (clock * 2) - 7 + psc); + if (dev->fifo_size) + /* Note: setup required fifo size - 1 */ + omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, + (dev->fifo_size - 1) << 8 | /* RTRSH */ + OMAP_I2C_BUF_RXFIF_CLR | + (dev->fifo_size - 1) | /* XTRSH */ + OMAP_I2C_BUF_TXFIF_CLR); /* Take the I2C module out of reset: */ omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); /* Enable interrupts */ omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, - (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY | - OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK | - OMAP_I2C_IE_AL)); + (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY | + OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK | + OMAP_I2C_IE_AL) | ((dev->fifo_size) ? + (OMAP_I2C_IE_RDR | OMAP_I2C_IE_XDR) : 0)); return 0; } @@ -316,20 +439,59 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len); + /* Clear the FIFO Buffers */ + w = omap_i2c_read_reg(dev, OMAP_I2C_BUF_REG); + w |= OMAP_I2C_BUF_RXFIF_CLR | OMAP_I2C_BUF_TXFIF_CLR; + omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, w); + init_completion(&dev->cmd_complete); dev->cmd_err = 0; w = OMAP_I2C_CON_EN | OMAP_I2C_CON_MST | OMAP_I2C_CON_STT; + + /* High speed configuration */ + if (dev->speed > 400) + w |= OMAP_I2C_CON_OPMODE_HS; + if (msg->flags & I2C_M_TEN) w |= OMAP_I2C_CON_XA; if (!(msg->flags & I2C_M_RD)) w |= OMAP_I2C_CON_TRX; - if (stop) + + if (!dev->b_hw && stop) w |= OMAP_I2C_CON_STP; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); - r = wait_for_completion_interruptible_timeout(&dev->cmd_complete, - OMAP_I2C_TIMEOUT); + /* + * Don't write stt and stp together on some hardware. + */ + if (dev->b_hw && stop) { + unsigned long delay = jiffies + OMAP_I2C_TIMEOUT; + u16 con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG); + while (con & OMAP_I2C_CON_STT) { + con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG); + + /* Let the user know if i2c is in a bad state */ + if (time_after(jiffies, delay)) { + dev_err(dev->dev, "controller timed out " + "waiting for start condition to finish\n"); + return -ETIMEDOUT; + } + cpu_relax(); + } + + w |= OMAP_I2C_CON_STP; + w &= ~OMAP_I2C_CON_STT; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); + } + + /* + * REVISIT: We should abort the transfer on signals, but the bus goes + * into arbitration and we're currently unable to recover from it. + */ + r = wait_for_completion_timeout(&dev->cmd_complete, + OMAP_I2C_TIMEOUT); dev->buf_len = 0; if (r < 0) return r; @@ -376,7 +538,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) omap_i2c_unidle(dev); - if ((r = omap_i2c_wait_for_bb(dev)) < 0) + r = omap_i2c_wait_for_bb(dev); + if (r < 0) goto out; for (i = 0; i < num; i++) { @@ -411,6 +574,9 @@ omap_i2c_ack_stat(struct omap_i2c_dev *dev, u16 stat) omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat); } +/* rev1 devices are apparently only on some 15xx */ +#ifdef CONFIG_ARCH_OMAP15XX + static irqreturn_t omap_i2c_rev1_isr(int this_irq, void *dev_id) { @@ -465,6 +631,9 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id) return IRQ_HANDLED; } +#else +#define omap_i2c_rev1_isr NULL +#endif static irqreturn_t omap_i2c_isr(int this_irq, void *dev_id) @@ -472,7 +641,7 @@ omap_i2c_isr(int this_irq, void *dev_id) struct omap_i2c_dev *dev = dev_id; u16 bits; u16 stat, w; - int count = 0; + int err, count = 0; if (dev->idle) return IRQ_NONE; @@ -487,39 +656,96 @@ omap_i2c_isr(int this_irq, void *dev_id) omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat); - if (stat & OMAP_I2C_STAT_ARDY) { - omap_i2c_complete_cmd(dev, 0); - continue; + err = 0; + if (stat & OMAP_I2C_STAT_NACK) { + err |= OMAP_I2C_STAT_NACK; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, + OMAP_I2C_CON_STP); } - if (stat & OMAP_I2C_STAT_RRDY) { - w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); - if (dev->buf_len) { - *dev->buf++ = w; - dev->buf_len--; + if (stat & OMAP_I2C_STAT_AL) { + dev_err(dev->dev, "Arbitration lost\n"); + err |= OMAP_I2C_STAT_AL; + } + if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK | + OMAP_I2C_STAT_AL)) + omap_i2c_complete_cmd(dev, err); + if (stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)) { + u8 num_bytes = 1; + if (dev->fifo_size) { + if (stat & OMAP_I2C_STAT_RRDY) + num_bytes = dev->fifo_size; + else + num_bytes = omap_i2c_read_reg(dev, + OMAP_I2C_BUFSTAT_REG); + } + while (num_bytes) { + num_bytes--; + w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); if (dev->buf_len) { - *dev->buf++ = w >> 8; + *dev->buf++ = w; dev->buf_len--; + /* Data reg from 2430 is 8 bit wide */ + if (!cpu_is_omap2430() && + !cpu_is_omap34xx()) { + if (dev->buf_len) { + *dev->buf++ = w >> 8; + dev->buf_len--; + } + } + } else { + if (stat & OMAP_I2C_STAT_RRDY) + dev_err(dev->dev, + "RRDY IRQ while no data" + " requested\n"); + if (stat & OMAP_I2C_STAT_RDR) + dev_err(dev->dev, + "RDR IRQ while no data" + " requested\n"); + break; } - } else - dev_err(dev->dev, "RRDY IRQ while no data " - "requested\n"); - omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RRDY); + } + omap_i2c_ack_stat(dev, + stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)); continue; } - if (stat & OMAP_I2C_STAT_XRDY) { - w = 0; - if (dev->buf_len) { - w = *dev->buf++; - dev->buf_len--; + if (stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)) { + u8 num_bytes = 1; + if (dev->fifo_size) { + if (stat & OMAP_I2C_STAT_XRDY) + num_bytes = dev->fifo_size; + else + num_bytes = omap_i2c_read_reg(dev, + OMAP_I2C_BUFSTAT_REG); + } + while (num_bytes) { + num_bytes--; + w = 0; if (dev->buf_len) { - w |= *dev->buf++ << 8; + w = *dev->buf++; dev->buf_len--; + /* Data reg from 2430 is 8 bit wide */ + if (!cpu_is_omap2430() && + !cpu_is_omap34xx()) { + if (dev->buf_len) { + w |= *dev->buf++ << 8; + dev->buf_len--; + } + } + } else { + if (stat & OMAP_I2C_STAT_XRDY) + dev_err(dev->dev, + "XRDY IRQ while no " + "data to send\n"); + if (stat & OMAP_I2C_STAT_XDR) + dev_err(dev->dev, + "XDR IRQ while no " + "data to send\n"); + break; } - } else - dev_err(dev->dev, "XRDY IRQ while no " - "data to send\n"); - omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w); - omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY); + omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w); + } + omap_i2c_ack_stat(dev, + stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)); continue; } if (stat & OMAP_I2C_STAT_ROVR) { @@ -527,18 +753,9 @@ omap_i2c_isr(int this_irq, void *dev_id) dev->cmd_err |= OMAP_I2C_STAT_ROVR; } if (stat & OMAP_I2C_STAT_XUDF) { - dev_err(dev->dev, "Transmit overflow\n"); + dev_err(dev->dev, "Transmit underflow\n"); dev->cmd_err |= OMAP_I2C_STAT_XUDF; } - if (stat & OMAP_I2C_STAT_NACK) { - omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_NACK); - omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, - OMAP_I2C_CON_STP); - } - if (stat & OMAP_I2C_STAT_AL) { - dev_err(dev->dev, "Arbitration lost\n"); - omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_AL); - } } return count ? IRQ_HANDLED : IRQ_NONE; @@ -549,13 +766,15 @@ static const struct i2c_algorithm omap_i2c_algo = { .functionality = omap_i2c_func, }; -static int +static int __init omap_i2c_probe(struct platform_device *pdev) { struct omap_i2c_dev *dev; struct i2c_adapter *adap; struct resource *mem, *irq, *ioarea; + irq_handler_t isr; int r; + u32 speed = 0; /* NOTE: driver uses the static register mapping */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -576,17 +795,19 @@ omap_i2c_probe(struct platform_device *pdev) return -EBUSY; } - if (clock > 200) - clock = 400; /* Fast mode */ - else - clock = 100; /* Standard mode */ - dev = kzalloc(sizeof(struct omap_i2c_dev), GFP_KERNEL); if (!dev) { r = -ENOMEM; goto err_release_region; } + if (pdev->dev.platform_data != NULL) + speed = *(u32 *)pdev->dev.platform_data; + else + speed = 100; /* Defualt speed */ + + dev->speed = speed; + dev->idle = 1; dev->dev = &pdev->dev; dev->irq = irq->start; dev->base = ioremap(mem->start, mem->end - mem->start + 1); @@ -602,22 +823,39 @@ omap_i2c_probe(struct platform_device *pdev) omap_i2c_unidle(dev); - if (cpu_is_omap15xx()) - dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20; + dev->rev = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff; + + if (cpu_is_omap2430() || cpu_is_omap34xx()) { + u16 s; + + /* Set up the fifo size - Get total size */ + s = (omap_i2c_read_reg(dev, OMAP_I2C_BUFSTAT_REG) >> 14) & 0x3; + dev->fifo_size = 0x8 << s; + + /* + * Set up notification threshold as half the total available + * size. This is to ensure that we can handle the status on int + * call back latencies. + */ + dev->fifo_size = (dev->fifo_size / 2); + dev->b_hw = 1; /* Enable hardware fixes */ + } /* reset ASAP, clearing any IRQs */ omap_i2c_init(dev); - r = request_irq(dev->irq, dev->rev1 ? omap_i2c_rev1_isr : omap_i2c_isr, - 0, pdev->name, dev); + isr = (dev->rev < OMAP_I2C_REV_2) ? omap_i2c_rev1_isr : omap_i2c_isr; + r = request_irq(dev->irq, isr, 0, pdev->name, dev); if (r) { dev_err(dev->dev, "failure requesting irq %i\n", dev->irq); goto err_unuse_clocks; } - r = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff; + dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n", - pdev->id, r >> 4, r & 0xf, clock); + pdev->id, dev->rev >> 4, dev->rev & 0xf, dev->speed); + + omap_i2c_idle(dev); adap = &dev->adapter; i2c_set_adapdata(adap, dev); @@ -635,8 +873,6 @@ omap_i2c_probe(struct platform_device *pdev) goto err_free_irq; } - omap_i2c_idle(dev); - return 0; err_free_irq: diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index c39079f9c73..f69f91ffb46 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -35,11 +35,9 @@ #include <linux/clk.h> #include <linux/cpufreq.h> -#include <mach/hardware.h> #include <asm/irq.h> #include <asm/io.h> -#include <mach/regs-gpio.h> #include <plat/regs-iic.h> #include <plat/iic.h> @@ -64,6 +62,7 @@ struct s3c24xx_i2c { unsigned int msg_ptr; unsigned int tx_setup; + unsigned int irq; enum s3c24xx_i2c_state state; unsigned long clkrate; @@ -71,7 +70,6 @@ struct s3c24xx_i2c { void __iomem *regs; struct clk *clk; struct device *dev; - struct resource *irq; struct resource *ioarea; struct i2c_adapter adap; @@ -80,16 +78,7 @@ struct s3c24xx_i2c { #endif }; -/* default platform data to use if not supplied in the platform_device -*/ - -static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = { - .flags = 0, - .slave_addr = 0x10, - .bus_freq = 100*1000, - .max_freq = 400*1000, - .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, -}; +/* default platform data removed, dev should always carry data. */ /* s3c24xx_i2c_is2440() * @@ -103,21 +92,6 @@ static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c) return !strcmp(pdev->name, "s3c2440-i2c"); } - -/* s3c24xx_i2c_get_platformdata - * - * get the platform data associated with the given device, or return - * the default if there is none -*/ - -static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev) -{ - if (dev->platform_data != NULL) - return (struct s3c2410_platform_i2c *)dev->platform_data; - - return &s3c24xx_i2c_default_platform; -} - /* s3c24xx_i2c_master_complete * * complete the message and wake up the caller, using the given return code, @@ -130,7 +104,7 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret) i2c->msg_ptr = 0; i2c->msg = NULL; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg_num = 0; if (ret) i2c->msg_idx = ret; @@ -141,19 +115,17 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret) static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } /* irq enable/disable functions */ @@ -161,7 +133,7 @@ static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -169,7 +141,7 @@ static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -177,10 +149,10 @@ static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) /* s3c24xx_i2c_message_start * - * put the start of a message onto the bus + * put the start of a message onto the bus */ -static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, +static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, struct i2c_msg *msg) { unsigned int addr = (msg->addr & 0x7f) << 1; @@ -199,15 +171,15 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, if (msg->flags & I2C_M_REV_DIR_ADDR) addr ^= 1; - // todo - check for wether ack wanted or not + /* todo - check for wether ack wanted or not */ s3c24xx_i2c_enable_ack(i2c); iiccon = readl(i2c->regs + S3C2410_IICCON); writel(stat, i2c->regs + S3C2410_IICSTAT); - + dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr); writeb(addr, i2c->regs + S3C2410_IICDS); - + /* delay here to ensure the data byte has gotten onto the bus * before the transaction is started */ @@ -215,8 +187,8 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon); writel(iiccon, i2c->regs + S3C2410_IICCON); - - stat |= S3C2410_IICSTAT_START; + + stat |= S3C2410_IICSTAT_START; writel(stat, i2c->regs + S3C2410_IICSTAT); } @@ -227,11 +199,11 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) dev_dbg(i2c->dev, "STOP\n"); /* stop the transfer */ - iicstat &= ~ S3C2410_IICSTAT_START; + iicstat &= ~S3C2410_IICSTAT_START; writel(iicstat, i2c->regs + S3C2410_IICSTAT); - + i2c->state = STATE_STOP; - + s3c24xx_i2c_master_complete(i2c, ret); s3c24xx_i2c_disable_irq(i2c); } @@ -241,7 +213,7 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) /* is_lastmsg() * - * returns TRUE if the current message is the last in the set + * returns TRUE if the current message is the last in the set */ static inline int is_lastmsg(struct s3c24xx_i2c *i2c) @@ -289,14 +261,14 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) case STATE_STOP: dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__); - s3c24xx_i2c_disable_irq(i2c); + s3c24xx_i2c_disable_irq(i2c); goto out_ack; case STATE_START: /* last thing we did was send a start condition on the * bus, or started a new i2c message */ - + if (iicstat & S3C2410_IICSTAT_LASTBIT && !(i2c->msg->flags & I2C_M_IGNORE_NAK)) { /* ack was not received... */ @@ -322,7 +294,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) if (i2c->state == STATE_READ) goto prepare_read; - /* fall through to the write state, as we will need to + /* fall through to the write state, as we will need to * send a byte as well */ case STATE_WRITE: @@ -339,7 +311,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) } } - retry_write: + retry_write: if (!is_msgend(i2c)) { byte = i2c->msg->buf[i2c->msg_ptr++]; @@ -359,9 +331,9 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) dev_dbg(i2c->dev, "WRITE: Next Message\n"); i2c->msg_ptr = 0; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg++; - + /* check to see if we need to do another message */ if (i2c->msg->flags & I2C_M_NOSTART) { @@ -375,7 +347,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) goto retry_write; } else { - /* send the new start */ s3c24xx_i2c_message_start(i2c, i2c->msg); i2c->state = STATE_START; @@ -389,7 +360,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) break; case STATE_READ: - /* we have a byte of data in the data register, do + /* we have a byte of data in the data register, do * something with it, and then work out wether we are * going to do any more read/write */ @@ -397,13 +368,13 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) byte = readb(i2c->regs + S3C2410_IICDS); i2c->msg->buf[i2c->msg_ptr++] = byte; - prepare_read: + prepare_read: if (is_msglast(i2c)) { /* last byte of buffer */ if (is_lastmsg(i2c)) s3c24xx_i2c_disable_ack(i2c); - + } else if (is_msgend(i2c)) { /* ok, we've read the entire buffer, see if there * is anything else we need to do */ @@ -429,7 +400,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) /* acknowlegde the IRQ and get back on with the work */ out_ack: - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); out: @@ -450,19 +421,19 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id) status = readl(i2c->regs + S3C2410_IICSTAT); if (status & S3C2410_IICSTAT_ARBITR) { - // deal with arbitration loss + /* deal with arbitration loss */ dev_err(i2c->dev, "deal with arbitration loss\n"); } if (i2c->state == STATE_IDLE) { dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n"); - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); goto out; } - + /* pretty much this leaves us with the fact that we've * transmitted or received whatever byte we last sent */ @@ -485,16 +456,13 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) while (timeout-- > 0) { iicstat = readl(i2c->regs + S3C2410_IICSTAT); - + if (!(iicstat & S3C2410_IICSTAT_BUSBUSY)) return 0; msleep(1); } - dev_dbg(i2c->dev, "timeout: GPEDAT is %08x\n", - __raw_readl(S3C2410_GPEDAT)); - return -ETIMEDOUT; } @@ -503,7 +471,8 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) * this starts an i2c transfer */ -static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num) +static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, + struct i2c_msg *msgs, int num) { unsigned long timeout; int ret; @@ -529,12 +498,12 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int s3c24xx_i2c_enable_irq(i2c); s3c24xx_i2c_message_start(i2c, msgs); spin_unlock_irq(&i2c->lock); - + timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5); ret = i2c->msg_idx; - /* having these next two as dev_err() makes life very + /* having these next two as dev_err() makes life very * noisy when doing an i2cdetect */ if (timeout == 0) @@ -591,19 +560,6 @@ static const struct i2c_algorithm s3c24xx_i2c_algorithm = { .functionality = s3c24xx_i2c_func, }; -static struct s3c24xx_i2c s3c24xx_i2c = { - .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_i2c.lock), - .wait = __WAIT_QUEUE_HEAD_INITIALIZER(s3c24xx_i2c.wait), - .tx_setup = 50, - .adap = { - .name = "s3c2410-i2c", - .owner = THIS_MODULE, - .algo = &s3c24xx_i2c_algorithm, - .retries = 2, - .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, - }, -}; - /* s3c24xx_i2c_calcdivisor * * return the divisor settings for a given frequency @@ -643,7 +599,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted) { int diff = freq - wanted; - return (diff >= -2 && diff <= 2); + return diff >= -2 && diff <= 2; } /* s3c24xx_i2c_clockrate @@ -655,7 +611,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted) static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) { - struct s3c2410_platform_i2c *pdata; + struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data; unsigned long clkin = clk_get_rate(i2c->clk); unsigned int divs, div1; u32 iiccon; @@ -663,10 +619,8 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) int start, end; i2c->clkrate = clkin; - - pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); clkin /= 1000; /* clkin now in KHz */ - + dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n", pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq); @@ -774,7 +728,7 @@ static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c) /* s3c24xx_i2c_init * - * initialise the controller, set the IO lines and frequency + * initialise the controller, set the IO lines and frequency */ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) @@ -785,15 +739,15 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) /* get the plafrom data */ - pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); + pdata = i2c->dev->platform_data; /* inititalise the gpio */ - s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA); - s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); + if (pdata->cfg_gpio) + pdata->cfg_gpio(to_platform_device(i2c->dev)); /* write slave address */ - + writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD); dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr); @@ -831,12 +785,32 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) static int s3c24xx_i2c_probe(struct platform_device *pdev) { - struct s3c24xx_i2c *i2c = &s3c24xx_i2c; + struct s3c24xx_i2c *i2c; struct s3c2410_platform_i2c *pdata; struct resource *res; int ret; - pdata = s3c24xx_i2c_get_platformdata(&pdev->dev); + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data\n"); + return -EINVAL; + } + + i2c = kzalloc(sizeof(struct s3c24xx_i2c), GFP_KERNEL); + if (!i2c) { + dev_err(&pdev->dev, "no memory for state\n"); + return -ENOMEM; + } + + strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name)); + i2c->adap.owner = THIS_MODULE; + i2c->adap.algo = &s3c24xx_i2c_algorithm; + i2c->adap.retries = 2; + i2c->adap.class = I2C_CLASS_HWMON | I2C_CLASS_SPD; + i2c->tx_setup = 50; + + spin_lock_init(&i2c->lock); + init_waitqueue_head(&i2c->wait); /* find the clock and enable it */ @@ -878,7 +852,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) goto err_ioarea; } - dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res); + dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", + i2c->regs, i2c->ioarea, res); /* setup info block for the i2c core */ @@ -892,29 +867,23 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) goto err_iomap; /* find the IRQ for this unit (note, this relies on the init call to - * ensure no current IRQs pending + * ensure no current IRQs pending */ - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { + i2c->irq = ret = platform_get_irq(pdev, 0); + if (ret <= 0) { dev_err(&pdev->dev, "cannot find IRQ\n"); - ret = -ENOENT; goto err_iomap; } - ret = request_irq(res->start, s3c24xx_i2c_irq, IRQF_DISABLED, - pdev->name, i2c); + ret = request_irq(i2c->irq, s3c24xx_i2c_irq, IRQF_DISABLED, + dev_name(&pdev->dev), i2c); if (ret != 0) { - dev_err(&pdev->dev, "cannot claim IRQ\n"); + dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); goto err_iomap; } - i2c->irq = res; - - dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res, - (unsigned long)res->start); - ret = s3c24xx_i2c_register_cpufreq(i2c); if (ret < 0) { dev_err(&pdev->dev, "failed to register cpufreq notifier\n"); @@ -944,7 +913,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) s3c24xx_i2c_deregister_cpufreq(i2c); err_irq: - free_irq(i2c->irq->start, i2c); + free_irq(i2c->irq, i2c); err_iomap: iounmap(i2c->regs); @@ -958,6 +927,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) clk_put(i2c->clk); err_noclk: + kfree(i2c); return ret; } @@ -973,7 +943,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) s3c24xx_i2c_deregister_cpufreq(i2c); i2c_del_adapter(&i2c->adap); - free_irq(i2c->irq->start, i2c); + free_irq(i2c->irq, i2c); clk_disable(i2c->clk); clk_put(i2c->clk); @@ -982,6 +952,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) release_resource(i2c->ioarea); kfree(i2c->ioarea); + kfree(i2c); return 0; } diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 53912c327bf..8dc2bb78160 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -57,9 +57,6 @@ static int ipathfs_mknod(struct inode *dir, struct dentry *dentry, } inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; if ((mode & S_IFMT) == S_IFDIR) { diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c index d5b4cc357a3..650120261ab 100644 --- a/drivers/isdn/capi/capidrv.c +++ b/drivers/isdn/capi/capidrv.c @@ -1519,7 +1519,7 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) int digit2 = 0; if (!isdigit(*s)) return -3; while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; } - if (digit1 <= 0 && digit1 > 30) return -4; + if (digit1 <= 0 || digit1 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { bmask |= (1 << digit1); digit1 = 0; @@ -1530,7 +1530,7 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) s++; if (!isdigit(*s)) return -3; while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; } - if (digit2 <= 0 && digit2 > 30) return -4; + if (digit2 <= 0 || digit2 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { if (digit1 > digit2) for (i = digit2; i <= digit1 ; i++) diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index 0aa66ec4cbd..b129409925a 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -111,8 +111,6 @@ capifs_fill_super(struct super_block *s, void *data, int silent) goto fail; inode->i_ino = 1; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; - inode->i_uid = inode->i_gid = 0; inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 56faef1a1d5..06c655c5558 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -19,7 +19,7 @@ * Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI> * Deepak Saxena <deepak@plexity.net> * Boji T Kannanthanam <boji.t.kannanthanam@intel.com> - * Alan Cox <alan@redhat.com>: + * Alan Cox <alan@lxorguk.ukuu.org.uk>: * Ported to Linux 2.5. * Markus Lidel <Markus.Lidel@shadowconnect.com>: * Minor fixes for 2.6. diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index f3384c32b9a..efba7021948 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -19,7 +19,7 @@ * Changed ioctl_swdl(), implemented ioctl_swul() and ioctl_swdel() * Deepak Saxena (11/18/1999): * Added event managmenet support - * Alan Cox <alan@redhat.com>: + * Alan Cox <alan@lxorguk.ukuu.org.uk>: * 2.4 rewrite ported to 2.5 * Markus Lidel <Markus.Lidel@shadowconnect.com>: * Added pass-thru support for Adaptec's raidutils diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index 6e53a30bfd3..35c67d1f255 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -19,7 +19,7 @@ * Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI> * Deepak Saxena <deepak@plexity.net> * Boji T Kannanthanam <boji.t.kannanthanam@intel.com> - * Alan Cox <alan@redhat.com>: + * Alan Cox <alan@lxorguk.ukuu.org.uk>: * Ported to Linux 2.5. * Markus Lidel <Markus.Lidel@shadowconnect.com>: * Minor fixes for 2.6. diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 610ef1204e6..25d6f234198 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -19,7 +19,7 @@ * Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI> * Deepak Saxena <deepak@plexity.net> * Boji T Kannanthanam <boji.t.kannanthanam@intel.com> - * Alan Cox <alan@redhat.com>: + * Alan Cox <alan@lxorguk.ukuu.org.uk>: * Ported to Linux 2.5. * Markus Lidel <Markus.Lidel@shadowconnect.com>: * Minor fixes for 2.6. diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 22a7e8ba211..de966a6fb7e 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -146,8 +146,6 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_mode = mode; - ret->i_uid = ret->i_gid = 0; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; } return ret; diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c index 517fce48d94..5b396ff6c83 100644 --- a/drivers/net/acenic.c +++ b/drivers/net/acenic.c @@ -66,6 +66,7 @@ #include <linux/mm.h> #include <linux/highmem.h> #include <linux/sockios.h> +#include <linux/firmware.h> #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) #include <linux/if_vlan.h> @@ -186,8 +187,6 @@ MODULE_DEVICE_TABLE(pci, acenic_pci_tbl); #define MAX_RODATA_LEN 8*1024 #define MAX_DATA_LEN 2*1024 -#include "acenic_firmware.h" - #ifndef tigon2FwReleaseLocal #define tigon2FwReleaseLocal 0 #endif @@ -417,6 +416,10 @@ static int dis_pci_mem_inval[ACE_MAX_MOD_PARMS] = {1, 1, 1, 1, 1, 1, 1, 1}; MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver"); +#ifndef CONFIG_ACENIC_OMIT_TIGON_I +MODULE_FIRMWARE("acenic/tg1.bin"); +#endif +MODULE_FIRMWARE("acenic/tg2.bin"); module_param_array_named(link, link_state, int, NULL, 0); module_param_array(trace, int, NULL, 0); @@ -943,8 +946,8 @@ static int __devinit ace_init(struct net_device *dev) case 4: case 5: printk(KERN_INFO " Tigon I (Rev. %i), Firmware: %i.%i.%i, ", - tig_ver, tigonFwReleaseMajor, tigonFwReleaseMinor, - tigonFwReleaseFix); + tig_ver, ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); writel(0, ®s->LocalCtrl); ap->version = 1; ap->tx_ring_entries = TIGON_I_TX_RING_ENTRIES; @@ -952,8 +955,8 @@ static int __devinit ace_init(struct net_device *dev) #endif case 6: printk(KERN_INFO " Tigon II (Rev. %i), Firmware: %i.%i.%i, ", - tig_ver, tigon2FwReleaseMajor, tigon2FwReleaseMinor, - tigon2FwReleaseFix); + tig_ver, ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); writel(readl(®s->CpuBCtrl) | CPU_HALT, ®s->CpuBCtrl); readl(®s->CpuBCtrl); /* PCI write posting */ /* @@ -1205,7 +1208,9 @@ static int __devinit ace_init(struct net_device *dev) memset(ap->info, 0, sizeof(struct ace_info)); memset(ap->skb, 0, sizeof(struct ace_skb)); - ace_load_firmware(dev); + if (ace_load_firmware(dev)) + goto init_error; + ap->fw_running = 0; tmp_ptr = ap->info_dma; @@ -1441,10 +1446,7 @@ static int __devinit ace_init(struct net_device *dev) if (ap->version >= 2) writel(tmp, ®s->TuneFastLink); - if (ACE_IS_TIGON_I(ap)) - writel(tigonFwStartAddr, ®s->Pc); - if (ap->version == 2) - writel(tigon2FwStartAddr, ®s->Pc); + writel(ap->firmware_start, ®s->Pc); writel(0, ®s->Mb0Lo); @@ -2761,8 +2763,8 @@ static void ace_get_drvinfo(struct net_device *dev, strlcpy(info->driver, "acenic", sizeof(info->driver)); snprintf(info->version, sizeof(info->version), "%i.%i.%i", - tigonFwReleaseMajor, tigonFwReleaseMinor, - tigonFwReleaseFix); + ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); if (ap->pdev) strlcpy(info->bus_info, pci_name(ap->pdev), @@ -2869,11 +2871,10 @@ static struct net_device_stats *ace_get_stats(struct net_device *dev) } -static void __devinit ace_copy(struct ace_regs __iomem *regs, void *src, - u32 dest, int size) +static void __devinit ace_copy(struct ace_regs __iomem *regs, const __be32 *src, + u32 dest, int size) { void __iomem *tdest; - u32 *wsrc; short tsize, i; if (size <= 0) @@ -2885,20 +2886,15 @@ static void __devinit ace_copy(struct ace_regs __iomem *regs, void *src, tdest = (void __iomem *) ®s->Window + (dest & (ACE_WINDOW_SIZE - 1)); writel(dest & ~(ACE_WINDOW_SIZE - 1), ®s->WinBase); - /* - * This requires byte swapping on big endian, however - * writel does that for us - */ - wsrc = src; for (i = 0; i < (tsize / 4); i++) { - writel(wsrc[i], tdest + i*4); + /* Firmware is big-endian */ + writel(be32_to_cpup(src), tdest); + src++; + tdest += 4; + dest += 4; + size -= 4; } - dest += tsize; - src += tsize; - size -= tsize; } - - return; } @@ -2937,8 +2933,13 @@ static void __devinit ace_clear(struct ace_regs __iomem *regs, u32 dest, int siz */ static int __devinit ace_load_firmware(struct net_device *dev) { + const struct firmware *fw; + const char *fw_name = "acenic/tg2.bin"; struct ace_private *ap = netdev_priv(dev); struct ace_regs __iomem *regs = ap->regs; + const __be32 *fw_data; + u32 load_addr; + int ret; if (!(readl(®s->CpuCtrl) & CPU_HALTED)) { printk(KERN_ERR "%s: trying to download firmware while the " @@ -2946,28 +2947,52 @@ static int __devinit ace_load_firmware(struct net_device *dev) return -EFAULT; } + if (ACE_IS_TIGON_I(ap)) + fw_name = "acenic/tg1.bin"; + + ret = request_firmware(&fw, fw_name, &ap->pdev->dev); + if (ret) { + printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n", + ap->name, fw_name); + return ret; + } + + fw_data = (void *)fw->data; + + /* Firmware blob starts with version numbers, followed by + load and start address. Remainder is the blob to be loaded + contiguously from load address. We don't bother to represent + the BSS/SBSS sections any more, since we were clearing the + whole thing anyway. */ + ap->firmware_major = fw->data[0]; + ap->firmware_minor = fw->data[1]; + ap->firmware_fix = fw->data[2]; + + ap->firmware_start = be32_to_cpu(fw_data[1]); + if (ap->firmware_start < 0x4000 || ap->firmware_start >= 0x80000) { + printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n", + ap->name, ap->firmware_start, fw_name); + ret = -EINVAL; + goto out; + } + + load_addr = be32_to_cpu(fw_data[2]); + if (load_addr < 0x4000 || load_addr >= 0x80000) { + printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n", + ap->name, load_addr, fw_name); + ret = -EINVAL; + goto out; + } + /* - * Do not try to clear more than 512KB or we end up seeing - * funny things on NICs with only 512KB SRAM + * Do not try to clear more than 512KiB or we end up seeing + * funny things on NICs with only 512KiB SRAM */ ace_clear(regs, 0x2000, 0x80000-0x2000); - if (ACE_IS_TIGON_I(ap)) { - ace_copy(regs, tigonFwText, tigonFwTextAddr, tigonFwTextLen); - ace_copy(regs, tigonFwData, tigonFwDataAddr, tigonFwDataLen); - ace_copy(regs, tigonFwRodata, tigonFwRodataAddr, - tigonFwRodataLen); - ace_clear(regs, tigonFwBssAddr, tigonFwBssLen); - ace_clear(regs, tigonFwSbssAddr, tigonFwSbssLen); - }else if (ap->version == 2) { - ace_clear(regs, tigon2FwBssAddr, tigon2FwBssLen); - ace_clear(regs, tigon2FwSbssAddr, tigon2FwSbssLen); - ace_copy(regs, tigon2FwText, tigon2FwTextAddr,tigon2FwTextLen); - ace_copy(regs, tigon2FwRodata, tigon2FwRodataAddr, - tigon2FwRodataLen); - ace_copy(regs, tigon2FwData, tigon2FwDataAddr,tigon2FwDataLen); - } - - return 0; + ace_copy(regs, &fw_data[3], load_addr, fw->size-12); + out: + release_firmware(fw); + return ret; } diff --git a/drivers/net/acenic.h b/drivers/net/acenic.h index 4487f32759a..c987c9b5a13 100644 --- a/drivers/net/acenic.h +++ b/drivers/net/acenic.h @@ -694,6 +694,10 @@ struct ace_private u32 last_tx, last_std_rx, last_mini_rx; #endif int pci_using_dac; + u8 firmware_major; + u8 firmware_minor; + u8 firmware_fix; + u32 firmware_start; }; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 9f38b16ccbb..134b2d60b47 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -658,12 +658,12 @@ static int e100_self_test(struct nic *nic) e100_disable_irq(nic); /* Check results of self-test */ - if(nic->mem->selftest.result != 0) { + if (nic->mem->selftest.result != 0) { DPRINTK(HW, ERR, "Self-test failed: result=0x%08X\n", nic->mem->selftest.result); return -ETIMEDOUT; } - if(nic->mem->selftest.signature == 0) { + if (nic->mem->selftest.signature == 0) { DPRINTK(HW, ERR, "Self-test failed: timed out\n"); return -ETIMEDOUT; } @@ -684,13 +684,13 @@ static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, __le16 da cmd_addr_data[2] = op_ewds << (addr_len - 2); /* Bit-bang cmds to write word to eeprom */ - for(j = 0; j < 3; j++) { + for (j = 0; j < 3; j++) { /* Chip select */ iowrite8(eecs | eesk, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); - for(i = 31; i >= 0; i--) { + for (i = 31; i >= 0; i--) { ctrl = (cmd_addr_data[j] & (1 << i)) ? eecs | eedi : eecs; iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo); @@ -723,7 +723,7 @@ static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) e100_write_flush(nic); udelay(4); /* Bit-bang to read word from eeprom */ - for(i = 31; i >= 0; i--) { + for (i = 31; i >= 0; i--) { ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs; iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); @@ -734,7 +734,7 @@ static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) /* Eeprom drives a dummy zero to EEDO after receiving * complete address. Use this to adjust addr_len. */ ctrl = ioread8(&nic->csr->eeprom_ctrl_lo); - if(!(ctrl & eedo) && i > 16) { + if (!(ctrl & eedo) && i > 16) { *addr_len -= (i - 16); i = 17; } @@ -758,9 +758,9 @@ static int e100_eeprom_load(struct nic *nic) e100_eeprom_read(nic, &addr_len, 0); nic->eeprom_wc = 1 << addr_len; - for(addr = 0; addr < nic->eeprom_wc; addr++) { + for (addr = 0; addr < nic->eeprom_wc; addr++) { nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr); - if(addr < nic->eeprom_wc - 1) + if (addr < nic->eeprom_wc - 1) checksum += le16_to_cpu(nic->eeprom[addr]); } @@ -784,15 +784,15 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count) e100_eeprom_read(nic, &addr_len, 0); nic->eeprom_wc = 1 << addr_len; - if(start + count >= nic->eeprom_wc) + if (start + count >= nic->eeprom_wc) return -EINVAL; - for(addr = start; addr < start + count; addr++) + for (addr = start; addr < start + count; addr++) e100_eeprom_write(nic, addr_len, addr, nic->eeprom[addr]); /* The checksum, stored in the last word, is calculated such that * the sum of words should be 0xBABA */ - for(addr = 0; addr < nic->eeprom_wc - 1; addr++) + for (addr = 0; addr < nic->eeprom_wc - 1; addr++) checksum += le16_to_cpu(nic->eeprom[addr]); nic->eeprom[nic->eeprom_wc - 1] = cpu_to_le16(0xBABA - checksum); e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1, @@ -812,19 +812,19 @@ static int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) spin_lock_irqsave(&nic->cmd_lock, flags); /* Previous command is accepted when SCB clears */ - for(i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) { - if(likely(!ioread8(&nic->csr->scb.cmd_lo))) + for (i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) { + if (likely(!ioread8(&nic->csr->scb.cmd_lo))) break; cpu_relax(); - if(unlikely(i > E100_WAIT_SCB_FAST)) + if (unlikely(i > E100_WAIT_SCB_FAST)) udelay(5); } - if(unlikely(i == E100_WAIT_SCB_TIMEOUT)) { + if (unlikely(i == E100_WAIT_SCB_TIMEOUT)) { err = -EAGAIN; goto err_unlock; } - if(unlikely(cmd != cuc_resume)) + if (unlikely(cmd != cuc_resume)) iowrite32(dma_addr, &nic->csr->scb.gen_ptr); iowrite8(cmd, &nic->csr->scb.cmd_lo); @@ -843,7 +843,7 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, spin_lock_irqsave(&nic->cb_lock, flags); - if(unlikely(!nic->cbs_avail)) { + if (unlikely(!nic->cbs_avail)) { err = -ENOMEM; goto err_unlock; } @@ -853,7 +853,7 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, nic->cbs_avail--; cb->skb = skb; - if(unlikely(!nic->cbs_avail)) + if (unlikely(!nic->cbs_avail)) err = -ENOSPC; cb_prepare(nic, cb, skb); @@ -864,15 +864,15 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, wmb(); cb->prev->command &= cpu_to_le16(~cb_s); - while(nic->cb_to_send != nic->cb_to_use) { - if(unlikely(e100_exec_cmd(nic, nic->cuc_cmd, + while (nic->cb_to_send != nic->cb_to_use) { + if (unlikely(e100_exec_cmd(nic, nic->cuc_cmd, nic->cb_to_send->dma_addr))) { /* Ok, here's where things get sticky. It's * possible that we can't schedule the command * because the controller is too busy, so * let's just queue the command and try again * when another command is scheduled. */ - if(err == -ENOSPC) { + if (err == -ENOSPC) { //request a reset schedule_work(&nic->tx_timeout_task); } @@ -945,7 +945,7 @@ static void e100_get_defaults(struct nic *nic) /* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */ nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->pdev->revision; - if(nic->mac == mac_unknown) + if (nic->mac == mac_unknown) nic->mac = mac_82557_D100_A; nic->params.rfds = rfds; @@ -1008,23 +1008,23 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) config->adaptive_ifs = nic->adaptive_ifs; config->loopback = nic->loopback; - if(nic->mii.force_media && nic->mii.full_duplex) + if (nic->mii.force_media && nic->mii.full_duplex) config->full_duplex_force = 0x1; /* 1=force, 0=auto */ - if(nic->flags & promiscuous || nic->loopback) { + if (nic->flags & promiscuous || nic->loopback) { config->rx_save_bad_frames = 0x1; /* 1=save, 0=discard */ config->rx_discard_short_frames = 0x0; /* 1=discard, 0=save */ config->promiscuous_mode = 0x1; /* 1=on, 0=off */ } - if(nic->flags & multicast_all) + if (nic->flags & multicast_all) config->multicast_all = 0x1; /* 1=accept, 0=no */ /* disable WoL when up */ - if(netif_running(nic->netdev) || !(nic->flags & wol_magic)) + if (netif_running(nic->netdev) || !(nic->flags & wol_magic)) config->magic_packet_disable = 0x1; /* 1=off, 0=on */ - if(nic->mac >= mac_82558_D101_A4) { + if (nic->mac >= mac_82558_D101_A4) { config->fc_disable = 0x1; /* 1=Tx fc off, 0=Tx fc on */ config->mwi_enable = 0x1; /* 1=enable, 0=disable */ config->standard_tcb = 0x0; /* 1=standard, 0=extended */ @@ -1369,21 +1369,21 @@ static int e100_phy_init(struct nic *nic) u16 bmcr, stat, id_lo, id_hi, cong; /* Discover phy addr by searching addrs in order {1,0,2,..., 31} */ - for(addr = 0; addr < 32; addr++) { + for (addr = 0; addr < 32; addr++) { nic->mii.phy_id = (addr == 0) ? 1 : (addr == 1) ? 0 : addr; bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR); stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR); stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR); - if(!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0)))) + if (!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0)))) break; } DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id); - if(addr == 32) + if (addr == 32) return -EAGAIN; /* Selected the phy and isolate the rest */ - for(addr = 0; addr < 32; addr++) { - if(addr != nic->mii.phy_id) { + for (addr = 0; addr < 32; addr++) { + if (addr != nic->mii.phy_id) { mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); } else { bmcr = mdio_read(netdev, addr, MII_BMCR); @@ -1400,7 +1400,7 @@ static int e100_phy_init(struct nic *nic) /* Handle National tx phys */ #define NCS_PHY_MODEL_MASK 0xFFF0FFFF - if((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { + if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { /* Disable congestion control */ cong = mdio_read(netdev, nic->mii.phy_id, MII_NSC_CONG); cong |= NSC_CONG_TXREADY; @@ -1408,7 +1408,7 @@ static int e100_phy_init(struct nic *nic) mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong); } - if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && + if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) && !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) { /* enable/disable MDI/MDI-X auto-switching. */ @@ -1426,25 +1426,25 @@ static int e100_hw_init(struct nic *nic) e100_hw_reset(nic); DPRINTK(HW, ERR, "e100_hw_init\n"); - if(!in_interrupt() && (err = e100_self_test(nic))) + if (!in_interrupt() && (err = e100_self_test(nic))) return err; - if((err = e100_phy_init(nic))) + if ((err = e100_phy_init(nic))) return err; - if((err = e100_exec_cmd(nic, cuc_load_base, 0))) + if ((err = e100_exec_cmd(nic, cuc_load_base, 0))) return err; - if((err = e100_exec_cmd(nic, ruc_load_base, 0))) + if ((err = e100_exec_cmd(nic, ruc_load_base, 0))) return err; if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode))) return err; - if((err = e100_exec_cb(nic, NULL, e100_configure))) + if ((err = e100_exec_cb(nic, NULL, e100_configure))) return err; - if((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr))) + if ((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr))) return err; - if((err = e100_exec_cmd(nic, cuc_dump_addr, + if ((err = e100_exec_cmd(nic, cuc_dump_addr, nic->dma_addr + offsetof(struct mem, stats)))) return err; - if((err = e100_exec_cmd(nic, cuc_dump_reset, 0))) + if ((err = e100_exec_cmd(nic, cuc_dump_reset, 0))) return err; e100_disable_irq(nic); @@ -1460,7 +1460,7 @@ static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb) cb->command = cpu_to_le16(cb_multi); cb->u.multi.count = cpu_to_le16(count * ETH_ALEN); - for(i = 0; list && i < count; i++, list = list->next) + for (i = 0; list && i < count; i++, list = list->next) memcpy(&cb->u.multi.addr[i*ETH_ALEN], &list->dmi_addr, ETH_ALEN); } @@ -1472,12 +1472,12 @@ static void e100_set_multicast_list(struct net_device *netdev) DPRINTK(HW, DEBUG, "mc_count=%d, flags=0x%04X\n", netdev->mc_count, netdev->flags); - if(netdev->flags & IFF_PROMISC) + if (netdev->flags & IFF_PROMISC) nic->flags |= promiscuous; else nic->flags &= ~promiscuous; - if(netdev->flags & IFF_ALLMULTI || + if (netdev->flags & IFF_ALLMULTI || netdev->mc_count > E100_MAX_MULTICAST_ADDRS) nic->flags |= multicast_all; else @@ -1500,7 +1500,7 @@ static void e100_update_stats(struct nic *nic) * complete, so we're always waiting for results of the * previous command. */ - if(*complete == cpu_to_le32(cuc_dump_reset_complete)) { + if (*complete == cpu_to_le32(cuc_dump_reset_complete)) { *complete = 0; nic->tx_frames = le32_to_cpu(s->tx_good_frames); nic->tx_collisions = le32_to_cpu(s->tx_total_collisions); @@ -1527,12 +1527,12 @@ static void e100_update_stats(struct nic *nic) le32_to_cpu(s->tx_single_collisions); nic->tx_multiple_collisions += le32_to_cpu(s->tx_multiple_collisions); - if(nic->mac >= mac_82558_D101_A4) { + if (nic->mac >= mac_82558_D101_A4) { nic->tx_fc_pause += le32_to_cpu(s->fc_xmt_pause); nic->rx_fc_pause += le32_to_cpu(s->fc_rcv_pause); nic->rx_fc_unsupported += le32_to_cpu(s->fc_rcv_unsupported); - if(nic->mac >= mac_82559_D101M) { + if (nic->mac >= mac_82559_D101M) { nic->tx_tco_frames += le16_to_cpu(s->xmt_tco_frames); nic->rx_tco_frames += @@ -1542,7 +1542,7 @@ static void e100_update_stats(struct nic *nic) } - if(e100_exec_cmd(nic, cuc_dump_reset, 0)) + if (e100_exec_cmd(nic, cuc_dump_reset, 0)) DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n"); } @@ -1551,19 +1551,19 @@ static void e100_adjust_adaptive_ifs(struct nic *nic, int speed, int duplex) /* Adjust inter-frame-spacing (IFS) between two transmits if * we're getting collisions on a half-duplex connection. */ - if(duplex == DUPLEX_HALF) { + if (duplex == DUPLEX_HALF) { u32 prev = nic->adaptive_ifs; u32 min_frames = (speed == SPEED_100) ? 1000 : 100; - if((nic->tx_frames / 32 < nic->tx_collisions) && + if ((nic->tx_frames / 32 < nic->tx_collisions) && (nic->tx_frames > min_frames)) { - if(nic->adaptive_ifs < 60) + if (nic->adaptive_ifs < 60) nic->adaptive_ifs += 5; } else if (nic->tx_frames < min_frames) { - if(nic->adaptive_ifs >= 5) + if (nic->adaptive_ifs >= 5) nic->adaptive_ifs -= 5; } - if(nic->adaptive_ifs != prev) + if (nic->adaptive_ifs != prev) e100_exec_cb(nic, NULL, e100_configure); } } @@ -1579,12 +1579,12 @@ static void e100_watchdog(unsigned long data) mii_ethtool_gset(&nic->mii, &cmd); - if(mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) { + if (mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) { printk(KERN_INFO "e100: %s NIC Link is Up %s Mbps %s Duplex\n", nic->netdev->name, cmd.speed == SPEED_100 ? "100" : "10", cmd.duplex == DUPLEX_FULL ? "Full" : "Half"); - } else if(!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) { + } else if (!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) { printk(KERN_INFO "e100: %s NIC Link is Down\n", nic->netdev->name); } @@ -1604,11 +1604,11 @@ static void e100_watchdog(unsigned long data) e100_update_stats(nic); e100_adjust_adaptive_ifs(nic, cmd.speed, cmd.duplex); - if(nic->mac <= mac_82557_D100_C) + if (nic->mac <= mac_82557_D100_C) /* Issue a multicast command to workaround a 557 lock up */ e100_set_multicast_list(nic->netdev); - if(nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF) + if (nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF) /* Need SW workaround for ICH[x] 10Mbps/half duplex Tx hang. */ nic->flags |= ich_10h_workaround; else @@ -1623,7 +1623,7 @@ static void e100_xmit_prepare(struct nic *nic, struct cb *cb, { cb->command = nic->tx_command; /* interrupt every 16 packets regardless of delay */ - if((nic->cbs_avail & ~15) == nic->cbs_avail) + if ((nic->cbs_avail & ~15) == nic->cbs_avail) cb->command |= cpu_to_le16(cb_i); cb->u.tcb.tbd_array = cb->dma_addr + offsetof(struct cb, u.tcb.tbd); cb->u.tcb.tcb_byte_count = 0; @@ -1640,18 +1640,18 @@ static int e100_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct nic *nic = netdev_priv(netdev); int err; - if(nic->flags & ich_10h_workaround) { + if (nic->flags & ich_10h_workaround) { /* SW workaround for ICH[x] 10Mbps/half duplex Tx hang. Issue a NOP command followed by a 1us delay before issuing the Tx command. */ - if(e100_exec_cmd(nic, cuc_nop, 0)) + if (e100_exec_cmd(nic, cuc_nop, 0)) DPRINTK(TX_ERR, DEBUG, "exec cuc_nop failed\n"); udelay(1); } err = e100_exec_cb(nic, skb, e100_xmit_prepare); - switch(err) { + switch (err) { case -ENOSPC: /* We queued the skb, but now we're out of space. */ DPRINTK(TX_ERR, DEBUG, "No space for CB\n"); @@ -1677,14 +1677,14 @@ static int e100_tx_clean(struct nic *nic) spin_lock(&nic->cb_lock); /* Clean CBs marked complete */ - for(cb = nic->cb_to_clean; + for (cb = nic->cb_to_clean; cb->status & cpu_to_le16(cb_complete); cb = nic->cb_to_clean = cb->next) { DPRINTK(TX_DONE, DEBUG, "cb[%d]->status = 0x%04X\n", (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)), cb->status); - if(likely(cb->skb != NULL)) { + if (likely(cb->skb != NULL)) { dev->stats.tx_packets++; dev->stats.tx_bytes += cb->skb->len; @@ -1703,7 +1703,7 @@ static int e100_tx_clean(struct nic *nic) spin_unlock(&nic->cb_lock); /* Recover from running out of Tx resources in xmit_frame */ - if(unlikely(tx_cleaned && netif_queue_stopped(nic->netdev))) + if (unlikely(tx_cleaned && netif_queue_stopped(nic->netdev))) netif_wake_queue(nic->netdev); return tx_cleaned; @@ -1711,10 +1711,10 @@ static int e100_tx_clean(struct nic *nic) static void e100_clean_cbs(struct nic *nic) { - if(nic->cbs) { - while(nic->cbs_avail != nic->params.cbs.count) { + if (nic->cbs) { + while (nic->cbs_avail != nic->params.cbs.count) { struct cb *cb = nic->cb_to_clean; - if(cb->skb) { + if (cb->skb) { pci_unmap_single(nic->pdev, le32_to_cpu(cb->u.tcb.tbd.buf_addr), le16_to_cpu(cb->u.tcb.tbd.size), @@ -1746,10 +1746,10 @@ static int e100_alloc_cbs(struct nic *nic) nic->cbs = pci_alloc_consistent(nic->pdev, sizeof(struct cb) * count, &nic->cbs_dma_addr); - if(!nic->cbs) + if (!nic->cbs) return -ENOMEM; - for(cb = nic->cbs, i = 0; i < count; cb++, i++) { + for (cb = nic->cbs, i = 0; i < count; cb++, i++) { cb->next = (i + 1 < count) ? cb + 1 : nic->cbs; cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1; @@ -1767,14 +1767,14 @@ static int e100_alloc_cbs(struct nic *nic) static inline void e100_start_receiver(struct nic *nic, struct rx *rx) { - if(!nic->rxs) return; - if(RU_SUSPENDED != nic->ru_running) return; + if (!nic->rxs) return; + if (RU_SUSPENDED != nic->ru_running) return; /* handle init time starts */ - if(!rx) rx = nic->rxs; + if (!rx) rx = nic->rxs; /* (Re)start RU if suspended or idle and RFA is non-NULL */ - if(rx->skb) { + if (rx->skb) { e100_exec_cmd(nic, ruc_start, rx->dma_addr); nic->ru_running = RU_RUNNING; } @@ -1783,7 +1783,7 @@ static inline void e100_start_receiver(struct nic *nic, struct rx *rx) #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN) static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) { - if(!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN))) + if (!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN))) return -ENOMEM; /* Align, init, and map the RFD. */ @@ -1820,7 +1820,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, struct rfd *rfd = (struct rfd *)skb->data; u16 rfd_status, actual_size; - if(unlikely(work_done && *work_done >= work_to_do)) + if (unlikely(work_done && *work_done >= work_to_do)) return -EAGAIN; /* Need to sync before taking a peek at cb_complete bit */ @@ -1847,7 +1847,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, /* Get actual data size */ actual_size = le16_to_cpu(rfd->actual_size) & 0x3FFF; - if(unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd))) + if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd))) actual_size = RFD_BUF_LEN - sizeof(struct rfd); /* Get data */ @@ -1872,10 +1872,10 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, skb_put(skb, actual_size); skb->protocol = eth_type_trans(skb, nic->netdev); - if(unlikely(!(rfd_status & cb_ok))) { + if (unlikely(!(rfd_status & cb_ok))) { /* Don't indicate if hardware indicates errors */ dev_kfree_skb_any(skb); - } else if(actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) { + } else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) { /* Don't indicate oversized frames */ nic->rx_over_length_errors++; dev_kfree_skb_any(skb); @@ -1883,7 +1883,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, dev->stats.rx_packets++; dev->stats.rx_bytes += actual_size; netif_receive_skb(skb); - if(work_done) + if (work_done) (*work_done)++; } @@ -1901,7 +1901,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, struct rfd *old_before_last_rfd, *new_before_last_rfd; /* Indicate newly arrived packets */ - for(rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) { + for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) { err = e100_rx_indicate(nic, rx, work_done, work_to_do); /* Hit quota or no more to clean */ if (-EAGAIN == err || -ENODATA == err) @@ -1922,8 +1922,8 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, old_before_last_rfd = (struct rfd *)old_before_last_rx->skb->data; /* Alloc new skbs to refill list */ - for(rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) { - if(unlikely(e100_rx_alloc_skb(nic, rx))) + for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) { + if (unlikely(e100_rx_alloc_skb(nic, rx))) break; /* Better luck next time (see watchdog) */ } @@ -1959,11 +1959,11 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, PCI_DMA_BIDIRECTIONAL); } - if(restart_required) { + if (restart_required) { // ack the rnr? iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack); e100_start_receiver(nic, nic->rx_to_clean); - if(work_done) + if (work_done) (*work_done)++; } } @@ -1975,9 +1975,9 @@ static void e100_rx_clean_list(struct nic *nic) nic->ru_running = RU_UNINITIALIZED; - if(nic->rxs) { - for(rx = nic->rxs, i = 0; i < count; rx++, i++) { - if(rx->skb) { + if (nic->rxs) { + for (rx = nic->rxs, i = 0; i < count; rx++, i++) { + if (rx->skb) { pci_unmap_single(nic->pdev, rx->dma_addr, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); dev_kfree_skb(rx->skb); @@ -1999,13 +1999,13 @@ static int e100_rx_alloc_list(struct nic *nic) nic->rx_to_use = nic->rx_to_clean = NULL; nic->ru_running = RU_UNINITIALIZED; - if(!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC))) + if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC))) return -ENOMEM; - for(rx = nic->rxs, i = 0; i < count; rx++, i++) { + for (rx = nic->rxs, i = 0; i < count; rx++, i++) { rx->next = (i + 1 < count) ? rx + 1 : nic->rxs; rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1; - if(e100_rx_alloc_skb(nic, rx)) { + if (e100_rx_alloc_skb(nic, rx)) { e100_rx_clean_list(nic); return -ENOMEM; } @@ -2038,7 +2038,7 @@ static irqreturn_t e100_intr(int irq, void *dev_id) DPRINTK(INTR, DEBUG, "stat_ack = 0x%02X\n", stat_ack); - if(stat_ack == stat_ack_not_ours || /* Not our interrupt */ + if (stat_ack == stat_ack_not_ours || /* Not our interrupt */ stat_ack == stat_ack_not_present) /* Hardware is ejected */ return IRQ_NONE; @@ -2046,10 +2046,10 @@ static irqreturn_t e100_intr(int irq, void *dev_id) iowrite8(stat_ack, &nic->csr->scb.stat_ack); /* We hit Receive No Resource (RNR); restart RU after cleaning */ - if(stat_ack & stat_ack_rnr) + if (stat_ack & stat_ack_rnr) nic->ru_running = RU_SUSPENDED; - if(likely(netif_rx_schedule_prep(&nic->napi))) { + if (likely(netif_rx_schedule_prep(&nic->napi))) { e100_disable_irq(nic); __netif_rx_schedule(&nic->napi); } @@ -2102,7 +2102,7 @@ static int e100_set_mac_address(struct net_device *netdev, void *p) static int e100_change_mtu(struct net_device *netdev, int new_mtu) { - if(new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN) + if (new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN) return -EINVAL; netdev->mtu = new_mtu; return 0; @@ -2121,16 +2121,16 @@ static int e100_up(struct nic *nic) { int err; - if((err = e100_rx_alloc_list(nic))) + if ((err = e100_rx_alloc_list(nic))) return err; - if((err = e100_alloc_cbs(nic))) + if ((err = e100_alloc_cbs(nic))) goto err_rx_clean_list; - if((err = e100_hw_init(nic))) + if ((err = e100_hw_init(nic))) goto err_clean_cbs; e100_set_multicast_list(nic->netdev); e100_start_receiver(nic, NULL); mod_timer(&nic->watchdog, jiffies); - if((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED, + if ((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED, nic->netdev->name, nic->netdev))) goto err_no_irq; netif_wake_queue(nic->netdev); @@ -2192,26 +2192,26 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode) * in loopback mode, and the test passes if the received * packet compares byte-for-byte to the transmitted packet. */ - if((err = e100_rx_alloc_list(nic))) + if ((err = e100_rx_alloc_list(nic))) return err; - if((err = e100_alloc_cbs(nic))) + if ((err = e100_alloc_cbs(nic))) goto err_clean_rx; /* ICH PHY loopback is broken so do MAC loopback instead */ - if(nic->flags & ich && loopback_mode == lb_phy) + if (nic->flags & ich && loopback_mode == lb_phy) loopback_mode = lb_mac; nic->loopback = loopback_mode; - if((err = e100_hw_init(nic))) + if ((err = e100_hw_init(nic))) goto err_loopback_none; - if(loopback_mode == lb_phy) + if (loopback_mode == lb_phy) mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, BMCR_LOOPBACK); e100_start_receiver(nic, NULL); - if(!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) { + if (!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) { err = -ENOMEM; goto err_loopback_none; } @@ -2224,7 +2224,7 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode) pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); - if(memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd), + if (memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd), skb->data, ETH_DATA_LEN)) err = -EAGAIN; @@ -2301,7 +2301,7 @@ static void e100_get_regs(struct net_device *netdev, buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 | ioread8(&nic->csr->scb.cmd_lo) << 16 | ioread16(&nic->csr->scb.status); - for(i = E100_PHY_REGS; i >= 0; i--) + for (i = E100_PHY_REGS; i >= 0; i--) buff[1 + E100_PHY_REGS - i] = mdio_read(netdev, nic->mii.phy_id, i); memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf)); @@ -2326,7 +2326,7 @@ static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) !device_can_wakeup(&nic->pdev->dev)) return -EOPNOTSUPP; - if(wol->wolopts) + if (wol->wolopts) nic->flags |= wol_magic; else nic->flags &= ~wol_magic; @@ -2385,7 +2385,7 @@ static int e100_set_eeprom(struct net_device *netdev, { struct nic *nic = netdev_priv(netdev); - if(eeprom->magic != E100_EEPROM_MAGIC) + if (eeprom->magic != E100_EEPROM_MAGIC) return -EINVAL; memcpy(&((u8 *)nic->eeprom)[eeprom->offset], bytes, eeprom->len); @@ -2421,7 +2421,7 @@ static int e100_set_ringparam(struct net_device *netdev, if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - if(netif_running(netdev)) + if (netif_running(netdev)) e100_down(nic); rfds->count = max(ring->rx_pending, rfds->min); rfds->count = min(rfds->count, rfds->max); @@ -2429,7 +2429,7 @@ static int e100_set_ringparam(struct net_device *netdev, cbs->count = min(cbs->count, cbs->max); DPRINTK(DRV, INFO, "Ring Param settings: rx: %d, tx %d\n", rfds->count, cbs->count); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_up(nic); return 0; @@ -2454,12 +2454,12 @@ static void e100_diag_test(struct net_device *netdev, memset(data, 0, E100_TEST_LEN * sizeof(u64)); data[0] = !mii_link_ok(&nic->mii); data[1] = e100_eeprom_load(nic); - if(test->flags & ETH_TEST_FL_OFFLINE) { + if (test->flags & ETH_TEST_FL_OFFLINE) { /* save speed, duplex & autoneg settings */ err = mii_ethtool_gset(&nic->mii, &cmd); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_down(nic); data[2] = e100_self_test(nic); data[3] = e100_loopback_test(nic, lb_mac); @@ -2468,10 +2468,10 @@ static void e100_diag_test(struct net_device *netdev, /* restore speed, duplex & autoneg settings */ err = mii_ethtool_sset(&nic->mii, &cmd); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_up(nic); } - for(i = 0; i < E100_TEST_LEN; i++) + for (i = 0; i < E100_TEST_LEN; i++) test->flags |= data[i] ? ETH_TEST_FL_FAILED : 0; msleep_interruptible(4 * 1000); @@ -2481,7 +2481,7 @@ static int e100_phys_id(struct net_device *netdev, u32 data) { struct nic *nic = netdev_priv(netdev); - if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) + if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ); mod_timer(&nic->blink_timer, jiffies); msleep_interruptible(data * 1000); @@ -2524,7 +2524,7 @@ static void e100_get_ethtool_stats(struct net_device *netdev, struct nic *nic = netdev_priv(netdev); int i; - for(i = 0; i < E100_NET_STATS_LEN; i++) + for (i = 0; i < E100_NET_STATS_LEN; i++) data[i] = ((unsigned long *)&netdev->stats)[i]; data[i++] = nic->tx_deferred; @@ -2539,7 +2539,7 @@ static void e100_get_ethtool_stats(struct net_device *netdev, static void e100_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { - switch(stringset) { + switch (stringset) { case ETH_SS_TEST: memcpy(data, *e100_gstrings_test, sizeof(e100_gstrings_test)); break; @@ -2589,7 +2589,7 @@ static int e100_alloc(struct nic *nic) static void e100_free(struct nic *nic) { - if(nic->mem) { + if (nic->mem) { pci_free_consistent(nic->pdev, sizeof(struct mem), nic->mem, nic->dma_addr); nic->mem = NULL; @@ -2602,7 +2602,7 @@ static int e100_open(struct net_device *netdev) int err = 0; netif_carrier_off(netdev); - if((err = e100_up(nic))) + if ((err = e100_up(nic))) DPRINTK(IFUP, ERR, "Cannot open interface, aborting.\n"); return err; } @@ -2635,8 +2635,8 @@ static int __devinit e100_probe(struct pci_dev *pdev, struct nic *nic; int err; - if(!(netdev = alloc_etherdev(sizeof(struct nic)))) { - if(((1 << debug) - 1) & NETIF_MSG_PROBE) + if (!(netdev = alloc_etherdev(sizeof(struct nic)))) { + if (((1 << debug) - 1) & NETIF_MSG_PROBE) printk(KERN_ERR PFX "Etherdev alloc failed, abort.\n"); return -ENOMEM; } @@ -2653,24 +2653,24 @@ static int __devinit e100_probe(struct pci_dev *pdev, nic->msg_enable = (1 << debug) - 1; pci_set_drvdata(pdev, netdev); - if((err = pci_enable_device(pdev))) { + if ((err = pci_enable_device(pdev))) { DPRINTK(PROBE, ERR, "Cannot enable PCI device, aborting.\n"); goto err_out_free_dev; } - if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { DPRINTK(PROBE, ERR, "Cannot find proper PCI device " "base address, aborting.\n"); err = -ENODEV; goto err_out_disable_pdev; } - if((err = pci_request_regions(pdev, DRV_NAME))) { + if ((err = pci_request_regions(pdev, DRV_NAME))) { DPRINTK(PROBE, ERR, "Cannot obtain PCI resources, aborting.\n"); goto err_out_disable_pdev; } - if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { + if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { DPRINTK(PROBE, ERR, "No usable DMA configuration, aborting.\n"); goto err_out_free_res; } @@ -2681,13 +2681,13 @@ static int __devinit e100_probe(struct pci_dev *pdev, DPRINTK(PROBE, INFO, "using i/o access mode\n"); nic->csr = pci_iomap(pdev, (use_io ? 1 : 0), sizeof(struct csr)); - if(!nic->csr) { + if (!nic->csr) { DPRINTK(PROBE, ERR, "Cannot map device registers, aborting.\n"); err = -ENOMEM; goto err_out_free_res; } - if(ent->driver_data) + if (ent->driver_data) nic->flags |= ich; else nic->flags &= ~ich; @@ -2715,12 +2715,12 @@ static int __devinit e100_probe(struct pci_dev *pdev, INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task); - if((err = e100_alloc(nic))) { + if ((err = e100_alloc(nic))) { DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n"); goto err_out_iounmap; } - if((err = e100_eeprom_load(nic))) + if ((err = e100_eeprom_load(nic))) goto err_out_free; e100_phy_init(nic); @@ -2740,7 +2740,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, } /* Wol magic packet can be enabled from eeprom */ - if((nic->mac >= mac_82558_D101_A4) && + if ((nic->mac >= mac_82558_D101_A4) && (nic->eeprom[eeprom_id] & eeprom_id_wol)) { nic->flags |= wol_magic; device_set_wakeup_enable(&pdev->dev, true); @@ -2750,7 +2750,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, pci_pme_active(pdev, false); strcpy(netdev->name, "eth%d"); - if((err = register_netdev(netdev))) { + if ((err = register_netdev(netdev))) { DPRINTK(PROBE, ERR, "Cannot register net device, aborting.\n"); goto err_out_free; } @@ -2779,7 +2779,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); - if(netdev) { + if (netdev) { struct nic *nic = netdev_priv(netdev); unregister_netdev(netdev); e100_free(nic); @@ -2932,7 +2932,7 @@ static struct pci_driver e100_driver = { static int __init e100_init_module(void) { - if(((1 << debug) - 1) & NETIF_MSG_DRV) { + if (((1 << debug) - 1) & NETIF_MSG_DRV) { printk(KERN_INFO PFX "%s, %s\n", DRV_DESCRIPTION, DRV_VERSION); printk(KERN_INFO PFX "%s\n", DRV_COPYRIGHT); } diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 9930d5f8b9e..6271b9411cc 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -478,7 +478,7 @@ struct ehea_port { int num_add_tx_qps; int num_mcs; int resets; - u64 flags; + unsigned long flags; u64 mac_addr; u32 logical_port_id; u32 port_speed; @@ -510,7 +510,6 @@ void ehea_set_ethtool_ops(struct net_device *netdev); int ehea_sense_port_attr(struct ehea_port *port); int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); -extern u64 ehea_driver_flags; extern struct work_struct ehea_rereg_mr_task; #endif /* __EHEA_H__ */ diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index a2f1905a23d..e3131ea629c 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -99,7 +99,7 @@ MODULE_PARM_DESC(use_lro, " Large Receive Offload, 1: enable, 0: disable, " static int port_name_cnt; static LIST_HEAD(adapter_list); -u64 ehea_driver_flags; +static unsigned long ehea_driver_flags; struct work_struct ehea_rereg_mr_task; static DEFINE_MUTEX(dlpar_mem_lock); struct ehea_fw_handle_array ehea_fw_handles; diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index b0ef46c51a9..cefe1d98f93 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -944,7 +944,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (netif_msg_rx_status(priv)) enc28j60_dump_rsv(priv, __func__, next_packet, len, rxstat); - if (!RSV_GETBIT(rxstat, RSV_RXOK)) { + if (!RSV_GETBIT(rxstat, RSV_RXOK) || len > MAX_FRAMELEN) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, "Rx Error (%04x)\n", rxstat); ndev->stats.rx_errors++; @@ -952,6 +952,8 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_crc_errors++; if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; + if (len > MAX_FRAMELEN) + ndev->stats.rx_over_errors++; } else { skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 022794e579c..b82b0fb2056 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -1457,8 +1457,8 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) /* Number of supported queues. */ /* Having more queues than CPUs doesn't make sense. */ - adapter->num_rx_queues = min((u32)IGB_MAX_RX_QUEUES, (u32)num_online_cpus()); - adapter->num_tx_queues = min(IGB_MAX_TX_QUEUES, num_online_cpus()); + adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); + adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus()); /* This call may decrease the number of queues depending on * interrupt mode. */ diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 5e70180bf56..6bb71b687f7 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.4-1.395" +#define MYRI10GE_VERSION_STR "1.4.4-1.398" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -3929,6 +3929,10 @@ abort_with_firmware: myri10ge_dummy_rdma(mgp, 0); abort_with_ioremap: + if (mgp->mac_addr_string != NULL) + dev_err(&pdev->dev, + "myri10ge_probe() failed: MAC=%s, SN=%ld\n", + mgp->mac_addr_string, mgp->serial_number); iounmap(mgp->sram); abort_with_mtrr: diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index ba2e1c5b6bc..459663a4023 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -818,15 +818,6 @@ struct tx_doorbell_context { }; /* DATA STRUCTURES SHARED WITH HARDWARE. */ - -struct bq_element { - u32 addr_lo; -#define BQ_END 0x00000001 -#define BQ_CONT 0x00000002 -#define BQ_MASK 0x00000003 - u32 addr_hi; -} __attribute((packed)); - struct tx_buf_desc { __le64 addr; __le32 len; @@ -860,8 +851,8 @@ struct ob_mac_iocb_req { __le16 frame_len; #define OB_MAC_IOCB_LEN_MASK 0x3ffff __le16 reserved2; - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved3; __le16 vlan_tci; __le16 reserved4; @@ -880,8 +871,8 @@ struct ob_mac_iocb_rsp { u8 flags2; /* */ u8 flags3; /* */ #define OB_MAC_IOCB_RSP_B 0x80 /* */ - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved[13]; } __attribute((packed)); @@ -903,8 +894,8 @@ struct ob_mac_tso_iocb_req { #define OB_MAC_TSO_IOCB_V 0x04 __le32 reserved1[2]; __le32 frame_len; - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le16 total_hdrs_len; __le16 net_trans_offset; #define OB_MAC_TRANSPORT_HDR_SHIFT 6 @@ -925,8 +916,8 @@ struct ob_mac_tso_iocb_rsp { u8 flags2; /* */ u8 flags3; /* */ #define OB_MAC_TSO_IOCB_RSP_B 0x8000 - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved2[13]; } __attribute((packed)); @@ -979,10 +970,11 @@ struct ib_mac_iocb_rsp { __le16 reserved1; __le32 reserved2[6]; - __le32 flags4; -#define IB_MAC_IOCB_RSP_HV 0x20000000 /* */ -#define IB_MAC_IOCB_RSP_HS 0x40000000 /* */ -#define IB_MAC_IOCB_RSP_HL 0x80000000 /* */ + u8 reserved3[3]; + u8 flags4; +#define IB_MAC_IOCB_RSP_HV 0x20 +#define IB_MAC_IOCB_RSP_HS 0x40 +#define IB_MAC_IOCB_RSP_HL 0x80 __le32 hdr_len; /* */ __le32 hdr_addr_lo; /* */ __le32 hdr_addr_hi; /* */ @@ -1126,7 +1118,7 @@ struct map_list { struct tx_ring_desc { struct sk_buff *skb; struct ob_mac_iocb_req *queue_entry; - int index; + u32 index; struct oal oal; struct map_list map[MAX_SKB_FRAGS + 1]; int map_cnt; @@ -1138,8 +1130,8 @@ struct bq_desc { struct page *lbq_page; struct sk_buff *skb; } p; - struct bq_element *bq; - int index; + __le64 *addr; + u32 index; DECLARE_PCI_UNMAP_ADDR(mapaddr); DECLARE_PCI_UNMAP_LEN(maplen); }; @@ -1189,7 +1181,7 @@ struct rx_ring { u32 cq_size; u32 cq_len; u16 cq_id; - u32 *prod_idx_sh_reg; /* Shadowed producer register. */ + volatile __le32 *prod_idx_sh_reg; /* Shadowed producer register. */ dma_addr_t prod_idx_sh_reg_dma; void __iomem *cnsmr_idx_db_reg; /* PCI doorbell mem area + 0 */ u32 cnsmr_idx; /* current sw idx */ @@ -1467,21 +1459,6 @@ static inline void ql_write_db_reg(u32 val, void __iomem *addr) mmiowb(); } -/* - * Shadow Registers: - * Outbound queues have a consumer index that is maintained by the chip. - * Inbound queues have a producer index that is maintained by the chip. - * For lower overhead, these registers are "shadowed" to host memory - * which allows the device driver to track the queue progress without - * PCI reads. When an entry is placed on an inbound queue, the chip will - * update the relevant index register and then copy the value to the - * shadow register in host memory. - */ -static inline unsigned int ql_read_sh_reg(const volatile void *addr) -{ - return *(volatile unsigned int __force *)addr; -} - extern char qlge_driver_name[]; extern const char qlge_driver_version[]; extern const struct ethtool_ops qlge_ethtool_ops; diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c index 47df304a02c..3f5e02d2e4a 100644 --- a/drivers/net/qlge/qlge_dbg.c +++ b/drivers/net/qlge/qlge_dbg.c @@ -821,14 +821,11 @@ void ql_dump_ib_mac_rsp(struct ib_mac_iocb_rsp *ib_mac_rsp) le16_to_cpu(ib_mac_rsp->vlan_id)); printk(KERN_ERR PFX "flags4 = %s%s%s.\n", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HV ? "HV " : "", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HS ? "HS " : "", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HL ? "HL " : ""); - - if (le32_to_cpu(ib_mac_rsp->flags4) & IB_MAC_IOCB_RSP_HV) { + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV ? "HV " : "", + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS ? "HS " : "", + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HL ? "HL " : ""); + + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) { printk(KERN_ERR PFX "hdr length = %d.\n", le32_to_cpu(ib_mac_rsp->hdr_len)); printk(KERN_ERR PFX "hdr addr_hi = 0x%x.\n", diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c index eefb81b1375..9d922e2ff22 100644 --- a/drivers/net/qlge/qlge_ethtool.c +++ b/drivers/net/qlge/qlge_ethtool.c @@ -56,9 +56,9 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) { rx_ring = &qdev->rx_ring[i]; cqicb = (struct cqicb *)rx_ring; - cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs); + cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs); cqicb->pkt_delay = - le16_to_cpu(qdev->tx_max_coalesced_frames); + cpu_to_le16(qdev->tx_max_coalesced_frames); cqicb->flags = FLAGS_LI; status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), CFG_LCQ, rx_ring->cq_id); @@ -79,9 +79,9 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) i++) { rx_ring = &qdev->rx_ring[i]; cqicb = (struct cqicb *)rx_ring; - cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs); + cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs); cqicb->pkt_delay = - le16_to_cpu(qdev->rx_max_coalesced_frames); + cpu_to_le16(qdev->rx_max_coalesced_frames); cqicb->flags = FLAGS_LI; status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), CFG_LCQ, rx_ring->cq_id); diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 718a7bd0cd1..f4c016012f1 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -257,7 +257,7 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, { status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -265,13 +265,13 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -279,14 +279,14 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); if (type == MAC_ADDR_TYPE_CAM_MAC) { status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -294,7 +294,7 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, MAC_ADDR_IDX, - MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); @@ -344,7 +344,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -353,7 +353,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, ql_write32(qdev, MAC_ADDR_DATA, lower); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -362,7 +362,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, ql_write32(qdev, MAC_ADDR_DATA, upper); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset) | /* offset */ @@ -400,7 +400,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, offset | /* offset */ @@ -431,13 +431,13 @@ int ql_get_routing_reg(struct ql_adapter *qdev, u32 index, u32 *value) if (status) goto exit; - status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, RT_IDX_E); + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, 0); if (status) goto exit; ql_write32(qdev, RT_IDX, RT_IDX_TYPE_NICQ | RT_IDX_RS | (index << RT_IDX_IDX_SHIFT)); - status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, RT_IDX_E); + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, 0); if (status) goto exit; *value = ql_read32(qdev, RT_DATA); @@ -874,7 +874,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) { int clean_idx = rx_ring->lbq_clean_idx; struct bq_desc *lbq_desc; - struct bq_element *bq; u64 map; int i; @@ -884,7 +883,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) "lbq: try cleaning clean_idx = %d.\n", clean_idx); lbq_desc = &rx_ring->lbq[clean_idx]; - bq = lbq_desc->bq; if (lbq_desc->p.lbq_page == NULL) { QPRINTK(qdev, RX_STATUS, DEBUG, "lbq: getting new page for index %d.\n", @@ -906,10 +904,7 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) } pci_unmap_addr_set(lbq_desc, mapaddr, map); pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); - bq->addr_lo = /*lbq_desc->addr_lo = */ - cpu_to_le32(map); - bq->addr_hi = /*lbq_desc->addr_hi = */ - cpu_to_le32(map >> 32); + *lbq_desc->addr = cpu_to_le64(map); } clean_idx++; if (clean_idx == rx_ring->lbq_len) @@ -934,7 +929,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) { int clean_idx = rx_ring->sbq_clean_idx; struct bq_desc *sbq_desc; - struct bq_element *bq; u64 map; int i; @@ -944,7 +938,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) QPRINTK(qdev, RX_STATUS, DEBUG, "sbq: try cleaning clean_idx = %d.\n", clean_idx); - bq = sbq_desc->bq; if (sbq_desc->p.skb == NULL) { QPRINTK(qdev, RX_STATUS, DEBUG, "sbq: getting new skb for index %d.\n", @@ -963,11 +956,15 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) sbq_desc->p.skb->data, rx_ring->sbq_buf_size / 2, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n"); + rx_ring->sbq_clean_idx = clean_idx; + return; + } pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); - bq->addr_lo = cpu_to_le32(map); - bq->addr_hi = cpu_to_le32(map >> 32); + *sbq_desc->addr = cpu_to_le64(map); } clean_idx++; @@ -1303,6 +1300,11 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, "No skb available, drop the packet.\n"); return NULL; } + pci_unmap_page(qdev->pdev, + pci_unmap_addr(lbq_desc, + mapaddr), + pci_unmap_len(lbq_desc, maplen), + PCI_DMA_FROMDEVICE); skb_reserve(skb, NET_IP_ALIGN); QPRINTK(qdev, RX_STATUS, DEBUG, "%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length); @@ -1330,7 +1332,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, * eventually be in trouble. */ int size, offset, i = 0; - struct bq_element *bq, bq_array[8]; + __le64 *bq, bq_array[8]; sbq_desc = ql_get_curr_sbuf(rx_ring); pci_unmap_single(qdev->pdev, pci_unmap_addr(sbq_desc, mapaddr), @@ -1356,16 +1358,10 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, } else { QPRINTK(qdev, RX_STATUS, DEBUG, "Headers in small, %d bytes of data in chain of large.\n", length); - bq = (struct bq_element *)sbq_desc->p.skb->data; + bq = (__le64 *)sbq_desc->p.skb->data; } while (length > 0) { lbq_desc = ql_get_curr_lbuf(rx_ring); - if ((bq->addr_lo & ~BQ_MASK) != lbq_desc->bq->addr_lo) { - QPRINTK(qdev, RX_STATUS, ERR, - "Panic!!! bad large buffer address, expected 0x%.08x, got 0x%.08x.\n", - lbq_desc->bq->addr_lo, bq->addr_lo); - return NULL; - } pci_unmap_page(qdev->pdev, pci_unmap_addr(lbq_desc, mapaddr), @@ -1549,7 +1545,7 @@ static void ql_process_chip_ae_intr(struct ql_adapter *qdev, static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ob_mac_iocb_rsp *net_rsp = NULL; int count = 0; @@ -1575,7 +1571,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); } ql_write_cq_idx(rx_ring); if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) { @@ -1595,7 +1591,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ql_net_rsp_iocb *net_rsp; int count = 0; @@ -1628,7 +1624,7 @@ static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); if (count == budget) break; } @@ -1791,7 +1787,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) * Check the default queue and wake handler if active. */ rx_ring = &qdev->rx_ring[0]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n"); ql_disable_completion_interrupt(qdev, intr_context->intr); queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue, @@ -1805,7 +1801,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) */ for (i = 1; i < qdev->rx_ring_count; i++) { rx_ring = &qdev->rx_ring[i]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[%d].\n", i); @@ -1874,7 +1870,7 @@ static void ql_hw_csum_setup(struct sk_buff *skb, { int len; struct iphdr *iph = ip_hdr(skb); - u16 *check; + __sum16 *check; mac_iocb_ptr->opcode = OPCODE_OB_MAC_TSO_IOCB; mac_iocb_ptr->frame_len = cpu_to_le32((u32) skb->len); mac_iocb_ptr->net_trans_offset = @@ -2083,8 +2079,6 @@ static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring put_page(lbq_desc->p.lbq_page); lbq_desc->p.lbq_page = NULL; } - lbq_desc->bq->addr_lo = 0; - lbq_desc->bq->addr_hi = 0; } } @@ -2097,12 +2091,12 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev, int i; struct bq_desc *lbq_desc; u64 map; - struct bq_element *bq = rx_ring->lbq_base; + __le64 *bq = rx_ring->lbq_base; for (i = 0; i < rx_ring->lbq_len; i++) { lbq_desc = &rx_ring->lbq[i]; memset(lbq_desc, 0, sizeof(lbq_desc)); - lbq_desc->bq = bq; + lbq_desc->addr = bq; lbq_desc->index = i; lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC); if (unlikely(!lbq_desc->p.lbq_page)) { @@ -2119,8 +2113,7 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev, } pci_unmap_addr_set(lbq_desc, mapaddr, map); pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); - bq->addr_lo = cpu_to_le32(map); - bq->addr_hi = cpu_to_le32(map >> 32); + *lbq_desc->addr = cpu_to_le64(map); } bq++; } @@ -2149,13 +2142,6 @@ static void ql_free_sbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring dev_kfree_skb(sbq_desc->p.skb); sbq_desc->p.skb = NULL; } - if (sbq_desc->bq == NULL) { - QPRINTK(qdev, IFUP, ERR, "sbq_desc->bq %d is NULL.\n", - i); - return; - } - sbq_desc->bq->addr_lo = 0; - sbq_desc->bq->addr_hi = 0; } } @@ -2167,13 +2153,13 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev, struct bq_desc *sbq_desc; struct sk_buff *skb; u64 map; - struct bq_element *bq = rx_ring->sbq_base; + __le64 *bq = rx_ring->sbq_base; for (i = 0; i < rx_ring->sbq_len; i++) { sbq_desc = &rx_ring->sbq[i]; memset(sbq_desc, 0, sizeof(sbq_desc)); sbq_desc->index = i; - sbq_desc->bq = bq; + sbq_desc->addr = bq; skb = netdev_alloc_skb(qdev->ndev, rx_ring->sbq_buf_size); if (unlikely(!skb)) { /* Better luck next round */ @@ -2199,10 +2185,7 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev, } pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); - bq->addr_lo = /*sbq_desc->addr_lo = */ - cpu_to_le32(map); - bq->addr_hi = /*sbq_desc->addr_hi = */ - cpu_to_le32(map >> 32); + *sbq_desc->addr = cpu_to_le64(map); bq++; } return 0; @@ -2481,7 +2464,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) memset((void *)cqicb, 0, sizeof(struct cqicb)); cqicb->msix_vect = rx_ring->irq; - cqicb->len = cpu_to_le16(rx_ring->cq_len | LEN_V | LEN_CPP_CONT); + bq_len = (rx_ring->cq_len == 65536) ? 0 : (u16) rx_ring->cq_len; + cqicb->len = cpu_to_le16(bq_len | LEN_V | LEN_CPP_CONT); cqicb->addr_lo = cpu_to_le32(rx_ring->cq_base_dma); cqicb->addr_hi = cpu_to_le32((u64) rx_ring->cq_base_dma >> 32); @@ -2503,8 +2487,11 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) cpu_to_le32(rx_ring->lbq_base_indirect_dma); cqicb->lbq_addr_hi = cpu_to_le32((u64) rx_ring->lbq_base_indirect_dma >> 32); - cqicb->lbq_buf_size = cpu_to_le32(rx_ring->lbq_buf_size); - bq_len = (u16) rx_ring->lbq_len; + bq_len = (rx_ring->lbq_buf_size == 65536) ? 0 : + (u16) rx_ring->lbq_buf_size; + cqicb->lbq_buf_size = cpu_to_le16(bq_len); + bq_len = (rx_ring->lbq_len == 65536) ? 0 : + (u16) rx_ring->lbq_len; cqicb->lbq_len = cpu_to_le16(bq_len); rx_ring->lbq_prod_idx = rx_ring->lbq_len - 16; rx_ring->lbq_curr_idx = 0; @@ -2520,7 +2507,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) cpu_to_le32((u64) rx_ring->sbq_base_indirect_dma >> 32); cqicb->sbq_buf_size = cpu_to_le16(((rx_ring->sbq_buf_size / 2) + 8) & 0xfffffff8); - bq_len = (u16) rx_ring->sbq_len; + bq_len = (rx_ring->sbq_len == 65536) ? 0 : + (u16) rx_ring->sbq_len; cqicb->sbq_len = cpu_to_le16(bq_len); rx_ring->sbq_prod_idx = rx_ring->sbq_len - 16; rx_ring->sbq_curr_idx = 0; @@ -3341,11 +3329,11 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = - rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_len * sizeof(__le64); rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = - rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_len * sizeof(__le64); rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; rx_ring->type = DEFAULT_Q; } else if (i < qdev->rss_ring_first_cq_id) { @@ -3372,11 +3360,11 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = - rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_len * sizeof(__le64); rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = - rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_len * sizeof(__le64); rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; rx_ring->type = RX_Q; } diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index f54ac2389da..57fb1f71c47 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -42,11 +42,11 @@ #include <linux/mii.h> #include <linux/if_vlan.h> #include <linux/mm.h> +#include <linux/firmware.h> #include <asm/processor.h> /* Processor type for cache alignment. */ #include <asm/uaccess.h> #include <asm/io.h> -#include "starfire_firmware.h" /* * The current frame processor firmware fails to checksum a fragment * of length 1. If and when this is fixed, the #define below can be removed. @@ -173,6 +173,10 @@ static int full_duplex[MAX_UNITS] = {0, }; #define skb_first_frag_len(skb) skb_headlen(skb) #define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1) +/* Firmware names */ +#define FIRMWARE_RX "adaptec/starfire_rx.bin" +#define FIRMWARE_TX "adaptec/starfire_tx.bin" + /* These identify the driver base version and may not be removed. */ static char version[] = KERN_INFO "starfire.c:v1.03 7/26/2000 Written by Donald Becker <becker@scyld.com>\n" @@ -182,6 +186,8 @@ MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); MODULE_DESCRIPTION("Adaptec Starfire Ethernet driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +MODULE_FIRMWARE(FIRMWARE_RX); +MODULE_FIRMWARE(FIRMWARE_TX); module_param(max_interrupt_work, int, 0); module_param(mtu, int, 0); @@ -902,9 +908,12 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val static int netdev_open(struct net_device *dev) { + const struct firmware *fw_rx, *fw_tx; + const __be32 *fw_rx_data, *fw_tx_data; struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->base; int i, retval; + size_t tx_size, rx_size; size_t tx_done_q_size, rx_done_q_size, tx_ring_size, rx_ring_size; /* Do we ever need to reset the chip??? */ @@ -1040,11 +1049,40 @@ static int netdev_open(struct net_device *dev) writel(ETH_P_8021Q, ioaddr + VlanType); #endif /* VLAN_SUPPORT */ + retval = request_firmware(&fw_rx, FIRMWARE_RX, &np->pci_dev->dev); + if (retval) { + printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n", + FIRMWARE_RX); + return retval; + } + if (fw_rx->size % 4) { + printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n", + fw_rx->size, FIRMWARE_RX); + retval = -EINVAL; + goto out_rx; + } + retval = request_firmware(&fw_tx, FIRMWARE_TX, &np->pci_dev->dev); + if (retval) { + printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n", + FIRMWARE_TX); + goto out_rx; + } + if (fw_tx->size % 4) { + printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n", + fw_tx->size, FIRMWARE_TX); + retval = -EINVAL; + goto out_tx; + } + fw_rx_data = (const __be32 *)&fw_rx->data[0]; + fw_tx_data = (const __be32 *)&fw_tx->data[0]; + rx_size = fw_rx->size / 4; + tx_size = fw_tx->size / 4; + /* Load Rx/Tx firmware into the frame processors */ - for (i = 0; i < FIRMWARE_RX_SIZE * 2; i++) - writel(firmware_rx[i], ioaddr + RxGfpMem + i * 4); - for (i = 0; i < FIRMWARE_TX_SIZE * 2; i++) - writel(firmware_tx[i], ioaddr + TxGfpMem + i * 4); + for (i = 0; i < rx_size; i++) + writel(be32_to_cpup(&fw_rx_data[i]), ioaddr + RxGfpMem + i * 4); + for (i = 0; i < tx_size; i++) + writel(be32_to_cpup(&fw_tx_data[i]), ioaddr + TxGfpMem + i * 4); if (enable_hw_cksum) /* Enable the Rx and Tx units, and the Rx/Tx frame processors. */ writel(TxEnable|TxGFPEnable|RxEnable|RxGFPEnable, ioaddr + GenCtrl); @@ -1056,7 +1094,11 @@ static int netdev_open(struct net_device *dev) printk(KERN_DEBUG "%s: Done netdev_open().\n", dev->name); - return 0; +out_tx: + release_firmware(fw_tx); +out_rx: + release_firmware(fw_rx); + return retval; } diff --git a/drivers/net/starfire_firmware.h b/drivers/net/starfire_firmware.h deleted file mode 100644 index 0a668528955..00000000000 --- a/drivers/net/starfire_firmware.h +++ /dev/null @@ -1,346 +0,0 @@ -/* - * Copyright 2003 Adaptec, Inc. - * - * Please read the following license before using the Adaptec Software - * ("Program"). If you do not agree to the license terms, do not use the - * Program: - * - * You agree to be bound by version 2 of the General Public License ("GPL") - * dated June 1991, which can be found at http://www.fsf.org/licenses/gpl.html. - * If the link is broken, write to Free Software Foundation, 59 Temple Place, - * Boston, Massachusetts 02111-1307. - * - * BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND - * THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE - * IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE - * (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR - * OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR - * DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM. - * - */ - -static const u32 firmware_rx[] = { - 0x010003dc, 0x00000000, - 0x04000421, 0x00000086, - 0x80000015, 0x0000180e, - 0x81000015, 0x00006664, - 0x1a0040ab, 0x00000b06, - 0x14200011, 0x00000000, - 0x14204022, 0x0000aaaa, - 0x14204022, 0x00000300, - 0x14204022, 0x00000000, - 0x1a0040ab, 0x00000b14, - 0x14200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x009e8050, 0x00000000, - 0x03008015, 0x00000000, - 0x86008015, 0x00000000, - 0x82000015, 0x00008000, - 0x0100001c, 0x00000000, - 0x000050a0, 0x0000010c, - 0x4e20d011, 0x00006008, - 0x1420d012, 0x00004008, - 0x0000f090, 0x00007000, - 0x0000c8b0, 0x00003000, - 0x00004040, 0x00000000, - 0x00108015, 0x00000000, - 0x00a2c150, 0x00004000, - 0x00a400b0, 0x00000014, - 0x00000020, 0x00000000, - 0x2500400d, 0x00002525, - 0x00047220, 0x00003100, - 0x00934070, 0x00000000, - 0x00000020, 0x00000000, - 0x00924460, 0x00000184, - 0x2b20c011, 0x00000000, - 0x0000c420, 0x00000540, - 0x36014018, 0x0000422d, - 0x14200011, 0x00000000, - 0x00924460, 0x00000183, - 0x3200001f, 0x00000034, - 0x02ac0015, 0x00000002, - 0x00a60110, 0x00000008, - 0x42200011, 0x00000000, - 0x00924060, 0x00000103, - 0x0000001e, 0x00000000, - 0x00000020, 0x00000100, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x45014018, 0x00004545, - 0x00808050, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x15200011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000060, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x000643a9, 0x00000000, - 0x0000c420, 0x00000140, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x000642a9, 0x00000000, - 0x00024420, 0x00000183, - 0x5601401a, 0x00005956, - 0x82000015, 0x00002000, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, -}; /* 104 Rx instructions */ -#define FIRMWARE_RX_SIZE 104 - -static const u32 firmware_tx[] = { - 0x010003dc, 0x00000000, - 0x04000421, 0x00000086, - 0x80000015, 0x0000180e, - 0x81000015, 0x00006664, - 0x1a0040ab, 0x00000b06, - 0x14200011, 0x00000000, - 0x14204022, 0x0000aaaa, - 0x14204022, 0x00000300, - 0x14204022, 0x00000000, - 0x1a0040ab, 0x00000b14, - 0x14200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x009e8050, 0x00000000, - 0x03008015, 0x00000000, - 0x86008015, 0x00000000, - 0x82000015, 0x00008000, - 0x0100001c, 0x00000000, - 0x000050a0, 0x0000010c, - 0x4e20d011, 0x00006008, - 0x1420d012, 0x00004008, - 0x0000f090, 0x00007000, - 0x0000c8b0, 0x00003000, - 0x00004040, 0x00000000, - 0x00108015, 0x00000000, - 0x00a2c150, 0x00004000, - 0x00a400b0, 0x00000014, - 0x00000020, 0x00000000, - 0x2500400d, 0x00002525, - 0x00047220, 0x00003100, - 0x00934070, 0x00000000, - 0x00000020, 0x00000000, - 0x00924460, 0x00000184, - 0x2b20c011, 0x00000000, - 0x0000c420, 0x00000540, - 0x36014018, 0x0000422d, - 0x14200011, 0x00000000, - 0x00924460, 0x00000183, - 0x3200001f, 0x00000034, - 0x02ac0015, 0x00000002, - 0x00a60110, 0x00000008, - 0x42200011, 0x00000000, - 0x00924060, 0x00000103, - 0x0000001e, 0x00000000, - 0x00000020, 0x00000100, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x45014018, 0x00004545, - 0x00808050, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x15200011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000060, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x000643a9, 0x00000000, - 0x0000c420, 0x00000140, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x000642a9, 0x00000000, - 0x00024420, 0x00000183, - 0x5601401a, 0x00005956, - 0x82000015, 0x00002000, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, -}; /* 104 Tx instructions */ -#define FIRMWARE_TX_SIZE 104 -#if 0 -static const u32 firmware_wol[] = { - 0x010003dc, 0x00000000, - 0x19000421, 0x00000087, - 0x80000015, 0x00001a1a, - 0x81000015, 0x00001a1a, - 0x1a0040ab, 0x00000b06, - 0x15200011, 0x00000000, - 0x15204022, 0x0000aaaa, - 0x15204022, 0x00000300, - 0x15204022, 0x00000000, - 0x1a0040ab, 0x00000b15, - 0x15200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x82000015, 0x00008000, - 0x0000000c, 0x00000000, - 0x00000010, 0x00000000, - 0x00004080, 0x00000100, - 0x1f20c011, 0x00001122, - 0x2720f011, 0x00003011, - 0x19200071, 0x00000000, - 0x1a200051, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x1d2040a4, 0x00003344, - 0x1d2040a2, 0x00005566, - 0x000040a0, 0x00000100, - 0x00108050, 0x00000001, - 0x1a208012, 0x00000006, - 0x82000015, 0x00008080, - 0x010003dc, 0x00000000, - 0x1d2040a4, 0x00002233, - 0x1d2040a4, 0x00004455, - 0x2d208011, 0x00000005, - 0x1d2040a4, 0x00006611, - 0x00108050, 0x00000001, - 0x27200011, 0x00000000, - 0x1d2050a4, 0x00006600, - 0x82000015, 0x00008080, - 0x010003dc, 0x00000000, - 0x00000050, 0x00000000, - 0x1b200031, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x476a0012, 0x00000100, - 0x83000015, 0x00000008, - 0x16200011, 0x00000000, - 0x001e8050, 0x00000000, - 0x001e8050, 0x00000000, - 0x00808050, 0x00000000, - 0x03008015, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x16200011, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000020, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5c01401a, 0x0000595c, - 0x15000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x00064029, 0x00000000, - 0x0000c420, 0x00000140, - 0x5c01401a, 0x0000595c, - 0x15000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00064029, 0x00000000, - 0x00024420, 0x00000183, - 0x5c01401a, 0x0000595c, - 0x82000015, 0x00002000, - 0x16200011, 0x00000000, - 0x82000015, 0x00000010, - 0x16200011, 0x00000000, - 0x82000015, 0x00000010, - 0x16200011, 0x00000000, -}; /* 104 WoL instructions */ -#define FIRMWARE_WOL_SIZE 104 -#endif diff --git a/drivers/net/starfire_firmware.pl b/drivers/net/starfire_firmware.pl deleted file mode 100644 index 0c82b80e107..00000000000 --- a/drivers/net/starfire_firmware.pl +++ /dev/null @@ -1,31 +0,0 @@ -#!/usr/bin/perl - -# This script can be used to generate a new starfire_firmware.h -# from GFP_RX.DAT and GFP_TX.DAT, files included with the DDK -# and also with the Novell drivers. - -open FW, "GFP_RX.DAT" || die; -open FWH, ">starfire_firmware.h" || die; - -printf(FWH "static u32 firmware_rx[] = {\n"); -$counter = 0; -while ($foo = <FW>) { - chomp; - printf(FWH " 0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4)); - $counter++; -} - -close FW; -open FW, "GFP_TX.DAT" || die; - -printf(FWH "};\t/* %d Rx instructions */\n#define FIRMWARE_RX_SIZE %d\n\nstatic u32 firmware_tx[] = {\n", $counter, $counter); -$counter = 0; -while ($foo = <FW>) { - chomp; - printf(FWH " 0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4)); - $counter++; -} - -close FW; -printf(FWH "};\t/* %d Tx instructions */\n#define FIRMWARE_TX_SIZE %d\n", $counter, $counter); -close(FWH); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 04ae1e86aea..5e2dbaee125 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -40,6 +40,7 @@ #include <linux/workqueue.h> #include <linux/prefetch.h> #include <linux/dma-mapping.h> +#include <linux/firmware.h> #include <net/checksum.h> #include <net/ip.h> @@ -137,6 +138,10 @@ #define TG3_NUM_TEST 6 +#define FIRMWARE_TG3 "tigon/tg3.bin" +#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin" +#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin" + static char version[] __devinitdata = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; @@ -144,6 +149,10 @@ MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); +MODULE_FIRMWARE(FIRMWARE_TG3); +MODULE_FIRMWARE(FIRMWARE_TG3TSO); +MODULE_FIRMWARE(FIRMWARE_TG3TSO5); + static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */ module_param(tg3_debug, int, 0); @@ -6205,130 +6214,6 @@ static int tg3_halt(struct tg3 *tp, int kind, int silent) return 0; } -#define TG3_FW_RELEASE_MAJOR 0x0 -#define TG3_FW_RELASE_MINOR 0x0 -#define TG3_FW_RELEASE_FIX 0x0 -#define TG3_FW_START_ADDR 0x08000000 -#define TG3_FW_TEXT_ADDR 0x08000000 -#define TG3_FW_TEXT_LEN 0x9c0 -#define TG3_FW_RODATA_ADDR 0x080009c0 -#define TG3_FW_RODATA_LEN 0x60 -#define TG3_FW_DATA_ADDR 0x08000a40 -#define TG3_FW_DATA_LEN 0x20 -#define TG3_FW_SBSS_ADDR 0x08000a60 -#define TG3_FW_SBSS_LEN 0xc -#define TG3_FW_BSS_ADDR 0x08000a70 -#define TG3_FW_BSS_LEN 0x10 - -static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = { - 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800, - 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000, - 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034, - 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000, - 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105, - 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0, - 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010, - 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01, - 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c, - 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000, - 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400, - 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c, - 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000, - 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64, - 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000, - 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, - 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68, - 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003, - 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800, - 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001, - 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60, - 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008, - 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, - 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b, - 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010, - 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74, - 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c, - 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800, - 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001, - 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028, - 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800, - 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0, - 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, - 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001, - 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810, - 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018, - 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec, - 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c, - 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74, - 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000, - 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c, - 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c, - 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df, - 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000, - 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800, - 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402, - 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00, - 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010, - 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df, - 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001, - 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008, - 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018, - 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b, - 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000, - 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008, - 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b, - 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001, - 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821, - 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000, - 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000, - 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821, - 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff, - 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010, - 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000, - 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428, - 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c, - 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e, - 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010, - 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000, - 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001, - 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000, - 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824, - 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000 -}; - -static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = { - 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430, - 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272, - 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000, - 0x00000000 -}; - -#if 0 /* All zeros, don't eat up space with it. */ -u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = { - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000 -}; -#endif - #define RX_CPU_SCRATCH_BASE 0x30000 #define RX_CPU_SCRATCH_SIZE 0x04000 #define TX_CPU_SCRATCH_BASE 0x34000 @@ -6383,15 +6268,9 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) } struct fw_info { - unsigned int text_base; - unsigned int text_len; - const u32 *text_data; - unsigned int rodata_base; - unsigned int rodata_len; - const u32 *rodata_data; - unsigned int data_base; - unsigned int data_len; - const u32 *data_data; + unsigned int fw_base; + unsigned int fw_len; + const __be32 *fw_data; }; /* tp->lock is held. */ @@ -6428,24 +6307,11 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_b write_op(tp, cpu_scratch_base + i, 0); tw32(cpu_base + CPU_STATE, 0xffffffff); tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT); - for (i = 0; i < (info->text_len / sizeof(u32)); i++) - write_op(tp, (cpu_scratch_base + - (info->text_base & 0xffff) + - (i * sizeof(u32))), - (info->text_data ? - info->text_data[i] : 0)); - for (i = 0; i < (info->rodata_len / sizeof(u32)); i++) - write_op(tp, (cpu_scratch_base + - (info->rodata_base & 0xffff) + - (i * sizeof(u32))), - (info->rodata_data ? - info->rodata_data[i] : 0)); - for (i = 0; i < (info->data_len / sizeof(u32)); i++) + for (i = 0; i < (info->fw_len / sizeof(u32)); i++) write_op(tp, (cpu_scratch_base + - (info->data_base & 0xffff) + + (info->fw_base & 0xffff) + (i * sizeof(u32))), - (info->data_data ? - info->data_data[i] : 0)); + be32_to_cpu(info->fw_data[i])); err = 0; @@ -6457,17 +6323,20 @@ out: static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) { struct fw_info info; + const __be32 *fw_data; int err, i; - info.text_base = TG3_FW_TEXT_ADDR; - info.text_len = TG3_FW_TEXT_LEN; - info.text_data = &tg3FwText[0]; - info.rodata_base = TG3_FW_RODATA_ADDR; - info.rodata_len = TG3_FW_RODATA_LEN; - info.rodata_data = &tg3FwRodata[0]; - info.data_base = TG3_FW_DATA_ADDR; - info.data_len = TG3_FW_DATA_LEN; - info.data_data = NULL; + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and length. We are setting complete length. + length = end_address_of_bss - start_address_of_text. + Remainder is the blob to be loaded contiguously + from start address. */ + + info.fw_base = be32_to_cpu(fw_data[1]); + info.fw_len = tp->fw->size - 12; + info.fw_data = &fw_data[3]; err = tg3_load_firmware_cpu(tp, RX_CPU_BASE, RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE, @@ -6483,21 +6352,21 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) /* Now startup only the RX cpu. */ tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); - tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR); + tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); for (i = 0; i < 5; i++) { - if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR) + if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base) break; tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT); - tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR); + tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); udelay(1000); } if (i >= 5) { printk(KERN_ERR PFX "tg3_load_firmware fails for %s " "to set RX CPU PC, is %08x should be %08x\n", tp->dev->name, tr32(RX_CPU_BASE + CPU_PC), - TG3_FW_TEXT_ADDR); + info.fw_base); return -ENODEV; } tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); @@ -6506,547 +6375,36 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) return 0; } - -#define TG3_TSO_FW_RELEASE_MAJOR 0x1 -#define TG3_TSO_FW_RELASE_MINOR 0x6 -#define TG3_TSO_FW_RELEASE_FIX 0x0 -#define TG3_TSO_FW_START_ADDR 0x08000000 -#define TG3_TSO_FW_TEXT_ADDR 0x08000000 -#define TG3_TSO_FW_TEXT_LEN 0x1aa0 -#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0 -#define TG3_TSO_FW_RODATA_LEN 0x60 -#define TG3_TSO_FW_DATA_ADDR 0x08001b20 -#define TG3_TSO_FW_DATA_LEN 0x30 -#define TG3_TSO_FW_SBSS_ADDR 0x08001b50 -#define TG3_TSO_FW_SBSS_LEN 0x2c -#define TG3_TSO_FW_BSS_ADDR 0x08001b80 -#define TG3_TSO_FW_BSS_LEN 0x894 - -static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = { - 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000, - 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800, - 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe, - 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800, - 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001, - 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c, - 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001, - 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, - 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001, - 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000, - 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001, - 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800, - 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c, - 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, - 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800, - 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c, - 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac, - 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800, - 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8, - 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8, - 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90, - 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068, - 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c, - 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021, - 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b, - 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, - 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0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800, - 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800, - 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a, - 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02, - 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821, - 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023, - 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff, - 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042, - 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, - 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, - 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, - 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, - 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, - 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821, - 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800, - 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043, - 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021, - 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, - 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800, - 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff, - 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, - 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007, - 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402, - 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff, - 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021, - 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff, - 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005, - 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800, - 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4, - 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b, - 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4, - 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800, - 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034, - 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000, - 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac, - 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022, - 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000, - 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0, - 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021, - 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000, - 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc, - 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005, - 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080, - 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800, - 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014, - 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823, - 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021, - 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010, - 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5, - 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a, - 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021, - 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c, - 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005, - 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800, - 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500, - 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023, - 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821, - 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000, - 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021, - 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006, - 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0, - 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006, - 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905, - 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860, - 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab, - 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff, - 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a, - 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038, - 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020, - 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450, - 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003, - 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff, - 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002, - 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f, - 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000, - 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820, - 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4, - 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, - 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, - 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, - 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002, - 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff, - 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8, - 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438, - 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800, - 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800, - 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000, - 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000, - 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021, - 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, - 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, - 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b, - 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02, - 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, - 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, - 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff, - 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, - 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651, - 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, - 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0, - 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, - 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, - 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000, - 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800, - 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b, - 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010, - 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001, - 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800, - 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000, - 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008, - 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, - 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010, - 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000, -}; - -static const u32 tg3TsoFwRodata[] = { - 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000, - 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f, - 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000, - 0x00000000, -}; - -static const u32 tg3TsoFwData[] = { - 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, -}; - /* 5705 needs a special version of the TSO firmware. */ -#define TG3_TSO5_FW_RELEASE_MAJOR 0x1 -#define TG3_TSO5_FW_RELASE_MINOR 0x2 -#define TG3_TSO5_FW_RELEASE_FIX 0x0 -#define TG3_TSO5_FW_START_ADDR 0x00010000 -#define TG3_TSO5_FW_TEXT_ADDR 0x00010000 -#define TG3_TSO5_FW_TEXT_LEN 0xe90 -#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90 -#define TG3_TSO5_FW_RODATA_LEN 0x50 -#define TG3_TSO5_FW_DATA_ADDR 0x00010f00 -#define TG3_TSO5_FW_DATA_LEN 0x20 -#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20 -#define TG3_TSO5_FW_SBSS_LEN 0x28 -#define TG3_TSO5_FW_BSS_ADDR 0x00010f50 -#define TG3_TSO5_FW_BSS_LEN 0x88 - -static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = { - 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000, - 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001, - 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe, - 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001, - 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001, - 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378, - 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014, - 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400, - 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000, - 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200, - 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000, - 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, - 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821, - 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, - 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, - 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60, - 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821, - 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000, - 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028, - 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402, - 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014, - 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff, - 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b, - 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004, - 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8, - 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001, - 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021, - 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2, - 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a, - 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, - 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001, - 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001, - 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021, - 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000, - 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c, - 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005, - 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006, - 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c, - 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c, - 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021, - 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001, - 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b, - 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c, - 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76, - 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c, - 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70, - 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c, - 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72, - 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff, - 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78, - 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78, - 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005, - 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d, - 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005, - 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027, - 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d, - 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff, - 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001, - 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000, - 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a, - 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff, - 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001, - 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200, - 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001, - 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021, - 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, - 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00, - 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001, - 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000, - 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003, - 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001, - 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56, - 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4, - 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64, - 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088, - 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001, - 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57, - 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001, - 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001, - 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000, - 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001, - 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823, - 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001, - 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001, - 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001, - 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021, - 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, - 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, - 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001, - 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001, - 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec, - 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000, - 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024, - 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, - 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000, - 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, - 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, - 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001, - 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001, - 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff, - 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c, - 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54, - 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001, - 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, - 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624, - 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001, - 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, - 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283, - 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825, - 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003, - 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, - 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c, - 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009, - 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025, - 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008, - 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021, - 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001, - 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, - 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014, - 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001, - 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, - 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001, - 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804, - 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20, - 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315, - 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005, - 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001, - 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001, - 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014, - 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8, - 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000, - 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008, - 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008, - 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b, - 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd, - 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000, - 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025, - 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008, - 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff, - 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008, - 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f, - 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600, - 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40, - 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000, - 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, - 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44, - 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003, - 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001, - 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001, - 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c, - 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, - 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, - 0x00000000, 0x00000000, 0x00000000, -}; - -static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = { - 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000, - 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, - 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272, - 0x00000000, 0x00000000, 0x00000000, -}; - -static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = { - 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, -}; /* tp->lock is held. */ static int tg3_load_tso_firmware(struct tg3 *tp) { struct fw_info info; + const __be32 *fw_data; unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size; int err, i; if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) return 0; + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and length. We are setting complete length. + length = end_address_of_bss - start_address_of_text. + Remainder is the blob to be loaded contiguously + from start address. */ + + info.fw_base = be32_to_cpu(fw_data[1]); + cpu_scratch_size = tp->fw_len; + info.fw_len = tp->fw->size - 12; + info.fw_data = &fw_data[3]; + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { - info.text_base = TG3_TSO5_FW_TEXT_ADDR; - info.text_len = TG3_TSO5_FW_TEXT_LEN; - info.text_data = &tg3Tso5FwText[0]; - info.rodata_base = TG3_TSO5_FW_RODATA_ADDR; - info.rodata_len = TG3_TSO5_FW_RODATA_LEN; - info.rodata_data = &tg3Tso5FwRodata[0]; - info.data_base = TG3_TSO5_FW_DATA_ADDR; - info.data_len = TG3_TSO5_FW_DATA_LEN; - info.data_data = &tg3Tso5FwData[0]; cpu_base = RX_CPU_BASE; cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705; - cpu_scratch_size = (info.text_len + - info.rodata_len + - info.data_len + - TG3_TSO5_FW_SBSS_LEN + - TG3_TSO5_FW_BSS_LEN); } else { - info.text_base = TG3_TSO_FW_TEXT_ADDR; - info.text_len = TG3_TSO_FW_TEXT_LEN; - info.text_data = &tg3TsoFwText[0]; - info.rodata_base = TG3_TSO_FW_RODATA_ADDR; - info.rodata_len = TG3_TSO_FW_RODATA_LEN; - info.rodata_data = &tg3TsoFwRodata[0]; - info.data_base = TG3_TSO_FW_DATA_ADDR; - info.data_len = TG3_TSO_FW_DATA_LEN; - info.data_data = &tg3TsoFwData[0]; cpu_base = TX_CPU_BASE; cpu_scratch_base = TX_CPU_SCRATCH_BASE; cpu_scratch_size = TX_CPU_SCRATCH_SIZE; @@ -7060,21 +6418,21 @@ static int tg3_load_tso_firmware(struct tg3 *tp) /* Now startup the cpu. */ tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32_f(cpu_base + CPU_PC, info.text_base); + tw32_f(cpu_base + CPU_PC, info.fw_base); for (i = 0; i < 5; i++) { - if (tr32(cpu_base + CPU_PC) == info.text_base) + if (tr32(cpu_base + CPU_PC) == info.fw_base) break; tw32(cpu_base + CPU_STATE, 0xffffffff); tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); - tw32_f(cpu_base + CPU_PC, info.text_base); + tw32_f(cpu_base + CPU_PC, info.fw_base); udelay(1000); } if (i >= 5) { printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s " "to set CPU PC, is %08x should be %08x\n", tp->dev->name, tr32(cpu_base + CPU_PC), - info.text_base); + info.fw_base); return -ENODEV; } tw32(cpu_base + CPU_STATE, 0xffffffff); @@ -7299,11 +6657,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) { int fw_len; - fw_len = (TG3_TSO5_FW_TEXT_LEN + - TG3_TSO5_FW_RODATA_LEN + - TG3_TSO5_FW_DATA_LEN + - TG3_TSO5_FW_SBSS_LEN + - TG3_TSO5_FW_BSS_LEN); + fw_len = tp->fw_len; fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1); tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE5705 + fw_len); @@ -13580,6 +12934,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, struct net_device *dev; struct tg3 *tp; int err, pm_cap; + const char *fw_name = NULL; char str[40]; u64 dma_mask, persist_dma_mask; @@ -13735,6 +13090,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tg3_init_bufmgr_config(tp); + if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) + fw_name = FIRMWARE_TG3; + if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE; } @@ -13747,6 +13105,37 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, } else { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG; } + if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) { + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) + fw_name = FIRMWARE_TG3TSO5; + else + fw_name = FIRMWARE_TG3TSO; + } + + if (fw_name) { + const __be32 *fw_data; + + err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev); + if (err) { + printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n", + fw_name); + goto err_out_iounmap; + } + + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and _full_ length including BSS sections + (which must be longer than the actual data, of course */ + + tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ + if (tp->fw_len < (tp->fw->size - 12)) { + printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n", + tp->fw_len, fw_name); + err = -EINVAL; + goto err_out_fw; + } + } /* TSO is on by default on chips that support hardware TSO. * Firmware TSO on older chips gives lower performance, so it @@ -13778,7 +13167,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, if (err) { printk(KERN_ERR PFX "Could not obtain valid ethernet address, " "aborting.\n"); - goto err_out_iounmap; + goto err_out_fw; } if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) { @@ -13787,7 +13176,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, printk(KERN_ERR PFX "Cannot map APE registers, " "aborting.\n"); err = -ENOMEM; - goto err_out_iounmap; + goto err_out_fw; } tg3_ape_lock_init(tp); @@ -13867,6 +13256,10 @@ err_out_apeunmap: tp->aperegs = NULL; } +err_out_fw: + if (tp->fw) + release_firmware(tp->fw); + err_out_iounmap: if (tp->regs) { iounmap(tp->regs); @@ -13892,6 +13285,9 @@ static void __devexit tg3_remove_one(struct pci_dev *pdev) if (dev) { struct tg3 *tp = netdev_priv(dev); + if (tp->fw) + release_firmware(tp->fw); + flush_scheduled_work(); if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 8936edfb043..ae5da603c6a 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2762,6 +2762,10 @@ struct tg3 { #define SST_25VF0X0_PAGE_SIZE 4098 struct ethtool_coalesce coal; + + /* firmware info */ + const struct firmware *fw; + u32 fw_len; /* includes BSS */ }; #endif /* !(_T3_H) */ diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 69f9a0ec764..d7b81e4fdd5 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -213,7 +213,7 @@ static int check_filter(struct tap_filter *filter, const struct sk_buff *skb) /* Network device part of the driver */ -static unsigned int tun_net_id; +static int tun_net_id; struct tun_net { struct list_head dev_list; }; diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index ddc4c59f02d..b7e4cee2426 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -29,9 +29,6 @@ static struct inode *oprofilefs_get_inode(struct super_block *sb, int mode) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } return inode; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 123092d8a98..165a8184335 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -102,9 +102,13 @@ config RTC_INTF_DEV_UIE_EMUL depends on RTC_INTF_DEV help Provides an emulation for RTC_UIE if the underlying rtc chip - driver does not expose RTC_UIE ioctls. Those requests generate + driver does not expose RTC_UIE ioctls. Those requests generate once-per-second update interrupts, used for synchronization. + The emulation code will read the time from the hardware + clock several times per second, please enable this option + only if you know that you really need it. + config RTC_DRV_TEST tristate "Test driver/device" help diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index a04c1b6b157..fd2c652504f 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -307,6 +307,60 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_set_alarm); +int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled) +{ + int err = mutex_lock_interruptible(&rtc->ops_lock); + if (err) + return err; + + if (!rtc->ops) + err = -ENODEV; + else if (!rtc->ops->alarm_irq_enable) + err = -EINVAL; + else + err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled); + + mutex_unlock(&rtc->ops_lock); + return err; +} +EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable); + +int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) +{ + int err = mutex_lock_interruptible(&rtc->ops_lock); + if (err) + return err; + +#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL + if (enabled == 0 && rtc->uie_irq_active) { + mutex_unlock(&rtc->ops_lock); + return rtc_dev_update_irq_enable_emul(rtc, enabled); + } +#endif + + if (!rtc->ops) + err = -ENODEV; + else if (!rtc->ops->update_irq_enable) + err = -EINVAL; + else + err = rtc->ops->update_irq_enable(rtc->dev.parent, enabled); + + mutex_unlock(&rtc->ops_lock); + +#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL + /* + * Enable emulation if the driver did not provide + * the update_irq_enable function pointer or if returned + * -EINVAL to signal that it has been configured without + * interrupts or that are not available at the moment. + */ + if (err == -EINVAL) + err = rtc_dev_update_irq_enable_emul(rtc, enabled); +#endif + return err; +} +EXPORT_SYMBOL_GPL(rtc_update_irq_enable); + /** * rtc_update_irq - report RTC periodic, alarm, and/or update irqs * @rtc: the rtc device diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index ecdea44ae4e..45152f4952d 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -92,10 +92,10 @@ static void rtc_uie_timer(unsigned long data) spin_unlock_irqrestore(&rtc->irq_lock, flags); } -static void clear_uie(struct rtc_device *rtc) +static int clear_uie(struct rtc_device *rtc) { spin_lock_irq(&rtc->irq_lock); - if (rtc->irq_active) { + if (rtc->uie_irq_active) { rtc->stop_uie_polling = 1; if (rtc->uie_timer_active) { spin_unlock_irq(&rtc->irq_lock); @@ -108,9 +108,10 @@ static void clear_uie(struct rtc_device *rtc) flush_scheduled_work(); spin_lock_irq(&rtc->irq_lock); } - rtc->irq_active = 0; + rtc->uie_irq_active = 0; } spin_unlock_irq(&rtc->irq_lock); + return 0; } static int set_uie(struct rtc_device *rtc) @@ -122,8 +123,8 @@ static int set_uie(struct rtc_device *rtc) if (err) return err; spin_lock_irq(&rtc->irq_lock); - if (!rtc->irq_active) { - rtc->irq_active = 1; + if (!rtc->uie_irq_active) { + rtc->uie_irq_active = 1; rtc->stop_uie_polling = 0; rtc->oldsecs = tm.tm_sec; rtc->uie_task_active = 1; @@ -134,6 +135,16 @@ static int set_uie(struct rtc_device *rtc) spin_unlock_irq(&rtc->irq_lock); return 0; } + +int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, unsigned int enabled) +{ + if (enabled) + return set_uie(rtc); + else + return clear_uie(rtc); +} +EXPORT_SYMBOL(rtc_dev_update_irq_enable_emul); + #endif /* CONFIG_RTC_INTF_DEV_UIE_EMUL */ static ssize_t @@ -357,6 +368,22 @@ static long rtc_dev_ioctl(struct file *file, err = rtc_irq_set_state(rtc, NULL, 0); break; + case RTC_AIE_ON: + mutex_unlock(&rtc->ops_lock); + return rtc_alarm_irq_enable(rtc, 1); + + case RTC_AIE_OFF: + mutex_unlock(&rtc->ops_lock); + return rtc_alarm_irq_enable(rtc, 0); + + case RTC_UIE_ON: + mutex_unlock(&rtc->ops_lock); + return rtc_update_irq_enable(rtc, 1); + + case RTC_UIE_OFF: + mutex_unlock(&rtc->ops_lock); + return rtc_update_irq_enable(rtc, 0); + case RTC_IRQP_SET: err = rtc_irq_set_freq(rtc, NULL, arg); break; @@ -401,17 +428,6 @@ static long rtc_dev_ioctl(struct file *file, err = -EFAULT; return err; -#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL - case RTC_UIE_OFF: - mutex_unlock(&rtc->ops_lock); - clear_uie(rtc); - return 0; - - case RTC_UIE_ON: - mutex_unlock(&rtc->ops_lock); - err = set_uie(rtc); - return err; -#endif default: err = -ENOTTY; break; @@ -440,7 +456,10 @@ static int rtc_dev_release(struct inode *inode, struct file *file) * Leave the alarm alone; it may be set to trigger a system wakeup * later, or be used by kernel code, and is a one-shot event anyway. */ + + /* Keep ioctl until all drivers are converted */ rtc_dev_ioctl(file, RTC_UIE_OFF, 0); + rtc_update_irq_enable(rtc, 0); rtc_irq_set_state(rtc, NULL, 0); if (rtc->ops->release) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index d5ccce1643e..e0c45574b0c 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -643,7 +643,6 @@ struct qeth_card_options { int macaddr_mode; int fake_broadcast; int add_hhlen; - int fake_ll; int layer2; enum qeth_large_send_types large_send; int performance_stats; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index e783644a210..6811dd529f4 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -287,8 +287,15 @@ int qeth_set_large_send(struct qeth_card *card, card->options.large_send = type; switch (card->options.large_send) { case QETH_LARGE_SEND_EDDP: - card->dev->features |= NETIF_F_TSO | NETIF_F_SG | + if (card->info.type != QETH_CARD_TYPE_IQD) { + card->dev->features |= NETIF_F_TSO | NETIF_F_SG | NETIF_F_HW_CSUM; + } else { + card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | + NETIF_F_HW_CSUM); + card->options.large_send = QETH_LARGE_SEND_NO; + rc = -EOPNOTSUPP; + } break; case QETH_LARGE_SEND_TSO: if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { @@ -572,6 +579,10 @@ static void qeth_send_control_data_cb(struct qeth_channel *channel, card = CARD_FROM_CDEV(channel->ccwdev); if (qeth_check_idx_response(iob->data)) { qeth_clear_ipacmd_list(card); + if (((iob->data[2] & 0xc0) == 0xc0) && iob->data[4] == 0xf6) + dev_err(&card->gdev->dev, + "The qeth device is not configured " + "for the OSI layer required by z/VM\n"); qeth_schedule_recovery(card); goto out; } @@ -1072,7 +1083,6 @@ static void qeth_set_intial_options(struct qeth_card *card) card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; card->options.fake_broadcast = 0; card->options.add_hhlen = DEFAULT_ADD_HHLEN; - card->options.fake_ll = 0; card->options.performance_stats = 0; card->options.rx_sg_cb = QETH_RX_SG_CB; } @@ -1682,6 +1692,7 @@ int qeth_send_control_data(struct qeth_card *card, int len, unsigned long flags; struct qeth_reply *reply = NULL; unsigned long timeout; + struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(TRACE, 2, "sendctl"); @@ -1728,17 +1739,34 @@ int qeth_send_control_data(struct qeth_card *card, int len, wake_up(&card->wait_q); return rc; } - while (!atomic_read(&reply->received)) { - if (time_after(jiffies, timeout)) { - spin_lock_irqsave(&reply->card->lock, flags); - list_del_init(&reply->list); - spin_unlock_irqrestore(&reply->card->lock, flags); - reply->rc = -ETIME; - atomic_inc(&reply->received); - wake_up(&reply->wait_q); - } - cpu_relax(); - }; + + /* we have only one long running ipassist, since we can ensure + process context of this command we can sleep */ + cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); + if ((cmd->hdr.command == IPA_CMD_SETIP) && + (cmd->hdr.prot_version == QETH_PROT_IPV4)) { + if (!wait_event_timeout(reply->wait_q, + atomic_read(&reply->received), timeout)) + goto time_err; + } else { + while (!atomic_read(&reply->received)) { + if (time_after(jiffies, timeout)) + goto time_err; + cpu_relax(); + }; + } + + rc = reply->rc; + qeth_put_reply(reply); + return rc; + +time_err: + spin_lock_irqsave(&reply->card->lock, flags); + list_del_init(&reply->list); + spin_unlock_irqrestore(&reply->card->lock, flags); + reply->rc = -ETIME; + atomic_inc(&reply->received); + wake_up(&reply->wait_q); rc = reply->rc; qeth_put_reply(reply); return rc; @@ -2250,7 +2278,8 @@ void qeth_print_status_message(struct qeth_card *card) } /* fallthrough */ case QETH_CARD_TYPE_IQD: - if (card->info.guestlan) { + if ((card->info.guestlan) || + (card->info.mcl_level[0] & 0x80)) { card->info.mcl_level[0] = (char) _ebcasc[(__u8) card->info.mcl_level[0]]; card->info.mcl_level[1] = (char) _ebcasc[(__u8) diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 2c48591ced4..21627ba3093 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1126,9 +1126,11 @@ static int qeth_l2_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if (card->dev) { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index c0b30b25a5f..cfda1ecffdf 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1047,7 +1047,7 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card) rc = qeth_setadpparms_change_macaddr(card); if (rc) dev_warn(&card->gdev->dev, "Reading the adapter MAC" - " address failed\n", rc); + " address failed\n"); } if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || @@ -1207,12 +1207,9 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) QETH_DBF_TEXT(TRACE, 3, "stsrcmac"); - if (!card->options.fake_ll) - return -EOPNOTSUPP; - if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { dev_info(&card->gdev->dev, - "Inbound source address not supported on %s\n", + "Inbound source MAC-address not supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } @@ -1221,7 +1218,7 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) IPA_CMD_ASS_START, 0); if (rc) dev_warn(&card->gdev->dev, - "Starting proxy ARP support for %s failed\n", + "Starting source MAC-address support for %s failed\n", QETH_CARD_IFNAME(card)); return rc; } @@ -1921,8 +1918,13 @@ static inline __u16 qeth_l3_rebuild_skb(struct qeth_card *card, memcpy(tg_addr, card->dev->dev_addr, card->dev->addr_len); } - card->dev->header_ops->create(skb, card->dev, prot, tg_addr, - "FAKELL", card->dev->addr_len); + if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) + card->dev->header_ops->create(skb, card->dev, prot, + tg_addr, &hdr->hdr.l3.dest_addr[2], + card->dev->addr_len); + else + card->dev->header_ops->create(skb, card->dev, prot, + tg_addr, "FAKELL", card->dev->addr_len); } #ifdef CONFIG_TR @@ -2080,9 +2082,11 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) if (recovery_mode) qeth_l3_stop(card->dev); else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if (card->dev) { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } } if (!card->use_hard_stop) { rc = qeth_send_stoplan(card); diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 185be760833..2a129cb7bb5 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -279,7 +279,6 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index c4e62a6297d..2e71368f45b 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -1863,26 +1863,10 @@ static int do_write(struct fsg_dev *fsg) static int fsync_sub(struct lun *curlun) { struct file *filp = curlun->filp; - struct inode *inode; - int rc, err; if (curlun->ro || !filp) return 0; - if (!filp->f_op->fsync) - return -EINVAL; - - inode = filp->f_path.dentry->d_inode; - mutex_lock(&inode->i_mutex); - rc = filemap_fdatawrite(inode->i_mapping); - err = filp->f_op->fsync(filp, filp->f_path.dentry, 1); - if (!rc) - rc = err; - err = filemap_fdatawait(inode->i_mapping); - if (!rc) - rc = err; - mutex_unlock(&inode->i_mutex); - VLDBG(curlun, "fdatasync -> %d\n", rc); - return rc; + return vfs_fsync(filp, filp->f_path.dentry, 1); } static void fsync_all(struct fsg_dev *fsg) diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index eeb26c0f88e..317b48fdbf0 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -2001,7 +2001,6 @@ gadgetfs_make_inode (struct super_block *sb, inode->i_mode = mode; inode->i_uid = default_uid; inode->i_gid = default_gid; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 73ac754ad80..e21fe5b6f9f 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -546,23 +546,25 @@ static int viafb_blank(int blank_mode, struct fb_info *info) static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) { - struct viafb_ioctl_mode viamode; - struct viafb_ioctl_samm viasamm; - struct viafb_driver_version driver_version; - struct fb_var_screeninfo sec_var; - struct _panel_size_pos_info panel_pos_size_para; + union { + struct viafb_ioctl_mode viamode; + struct viafb_ioctl_samm viasamm; + struct viafb_driver_version driver_version; + struct fb_var_screeninfo sec_var; + struct _panel_size_pos_info panel_pos_size_para; + struct viafb_ioctl_setting viafb_setting; + struct device_t active_dev; + } u; u32 state_info = 0; - u32 viainfo_size = sizeof(struct viafb_ioctl_info); u32 *viafb_gamma_table; char driver_name[] = "viafb"; u32 __user *argp = (u32 __user *) arg; u32 gpu32; u32 video_dev_info = 0; - struct viafb_ioctl_setting viafb_setting = {}; - struct device_t active_dev = {}; DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); + memset(&u, 0, sizeof(u)); switch (cmd) { case VIAFB_GET_CHIP_INFO: @@ -571,7 +573,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) return -EFAULT; break; case VIAFB_GET_INFO_SIZE: - return put_user(viainfo_size, argp); + return put_user((u32)sizeof(struct viafb_ioctl_info), argp); case VIAFB_GET_INFO: return viafb_ioctl_get_viafb_info(arg); case VIAFB_HOTPLUG: @@ -584,60 +586,60 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) viafb_hotplug = (gpu32) ? 1 : 0; break; case VIAFB_GET_RESOLUTION: - viamode.xres = (u32) viafb_hotplug_Xres; - viamode.yres = (u32) viafb_hotplug_Yres; - viamode.refresh = (u32) viafb_hotplug_refresh; - viamode.bpp = (u32) viafb_hotplug_bpp; + u.viamode.xres = (u32) viafb_hotplug_Xres; + u.viamode.yres = (u32) viafb_hotplug_Yres; + u.viamode.refresh = (u32) viafb_hotplug_refresh; + u.viamode.bpp = (u32) viafb_hotplug_bpp; if (viafb_SAMM_ON == 1) { - viamode.xres_sec = viafb_second_xres; - viamode.yres_sec = viafb_second_yres; - viamode.virtual_xres_sec = viafb_second_virtual_xres; - viamode.virtual_yres_sec = viafb_second_virtual_yres; - viamode.refresh_sec = viafb_refresh1; - viamode.bpp_sec = viafb_bpp1; + u.viamode.xres_sec = viafb_second_xres; + u.viamode.yres_sec = viafb_second_yres; + u.viamode.virtual_xres_sec = viafb_second_virtual_xres; + u.viamode.virtual_yres_sec = viafb_second_virtual_yres; + u.viamode.refresh_sec = viafb_refresh1; + u.viamode.bpp_sec = viafb_bpp1; } else { - viamode.xres_sec = 0; - viamode.yres_sec = 0; - viamode.virtual_xres_sec = 0; - viamode.virtual_yres_sec = 0; - viamode.refresh_sec = 0; - viamode.bpp_sec = 0; + u.viamode.xres_sec = 0; + u.viamode.yres_sec = 0; + u.viamode.virtual_xres_sec = 0; + u.viamode.virtual_yres_sec = 0; + u.viamode.refresh_sec = 0; + u.viamode.bpp_sec = 0; } - if (copy_to_user(argp, &viamode, sizeof(viamode))) + if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) return -EFAULT; break; case VIAFB_GET_SAMM_INFO: - viasamm.samm_status = viafb_SAMM_ON; + u.viasamm.samm_status = viafb_SAMM_ON; if (viafb_SAMM_ON == 1) { if (viafb_dual_fb) { - viasamm.size_prim = viaparinfo->fbmem_free; - viasamm.size_sec = viaparinfo1->fbmem_free; + u.viasamm.size_prim = viaparinfo->fbmem_free; + u.viasamm.size_sec = viaparinfo1->fbmem_free; } else { if (viafb_second_size) { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->fbmem_free - viafb_second_size * 1024 * 1024; - viasamm.size_sec = + u.viasamm.size_sec = viafb_second_size * 1024 * 1024; } else { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->fbmem_free >> 1; - viasamm.size_sec = + u.viasamm.size_sec = (viaparinfo->fbmem_free >> 1); } } - viasamm.mem_base = viaparinfo->fbmem; - viasamm.offset_sec = viafb_second_offset; + u.viasamm.mem_base = viaparinfo->fbmem; + u.viasamm.offset_sec = viafb_second_offset; } else { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->memsize - viaparinfo->fbmem_used; - viasamm.size_sec = 0; - viasamm.mem_base = viaparinfo->fbmem; - viasamm.offset_sec = 0; + u.viasamm.size_sec = 0; + u.viasamm.mem_base = viaparinfo->fbmem; + u.viasamm.offset_sec = 0; } - if (copy_to_user(argp, &viasamm, sizeof(viasamm))) + if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) return -EFAULT; break; @@ -662,74 +664,75 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) viafb_lcd_disable(); break; case VIAFB_SET_DEVICE: - if (copy_from_user(&active_dev, (void *)argp, - sizeof(active_dev))) + if (copy_from_user(&u.active_dev, (void *)argp, + sizeof(u.active_dev))) return -EFAULT; - viafb_set_device(active_dev); + viafb_set_device(u.active_dev); viafb_set_par(info); break; case VIAFB_GET_DEVICE: - active_dev.crt = viafb_CRT_ON; - active_dev.dvi = viafb_DVI_ON; - active_dev.lcd = viafb_LCD_ON; - active_dev.samm = viafb_SAMM_ON; - active_dev.primary_dev = viafb_primary_dev; + u.active_dev.crt = viafb_CRT_ON; + u.active_dev.dvi = viafb_DVI_ON; + u.active_dev.lcd = viafb_LCD_ON; + u.active_dev.samm = viafb_SAMM_ON; + u.active_dev.primary_dev = viafb_primary_dev; - active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; - active_dev.lcd_panel_id = viafb_lcd_panel_id; - active_dev.lcd_mode = viafb_lcd_mode; + u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; + u.active_dev.lcd_panel_id = viafb_lcd_panel_id; + u.active_dev.lcd_mode = viafb_lcd_mode; - active_dev.xres = viafb_hotplug_Xres; - active_dev.yres = viafb_hotplug_Yres; + u.active_dev.xres = viafb_hotplug_Xres; + u.active_dev.yres = viafb_hotplug_Yres; - active_dev.xres1 = viafb_second_xres; - active_dev.yres1 = viafb_second_yres; + u.active_dev.xres1 = viafb_second_xres; + u.active_dev.yres1 = viafb_second_yres; - active_dev.bpp = viafb_bpp; - active_dev.bpp1 = viafb_bpp1; - active_dev.refresh = viafb_refresh; - active_dev.refresh1 = viafb_refresh1; + u.active_dev.bpp = viafb_bpp; + u.active_dev.bpp1 = viafb_bpp1; + u.active_dev.refresh = viafb_refresh; + u.active_dev.refresh1 = viafb_refresh1; - active_dev.epia_dvi = viafb_platform_epia_dvi; - active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; - active_dev.bus_width = viafb_bus_width; + u.active_dev.epia_dvi = viafb_platform_epia_dvi; + u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; + u.active_dev.bus_width = viafb_bus_width; - if (copy_to_user(argp, &active_dev, sizeof(active_dev))) + if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) return -EFAULT; break; case VIAFB_GET_DRIVER_VERSION: - driver_version.iMajorNum = VERSION_MAJOR; - driver_version.iKernelNum = VERSION_KERNEL; - driver_version.iOSNum = VERSION_OS; - driver_version.iMinorNum = VERSION_MINOR; + u.driver_version.iMajorNum = VERSION_MAJOR; + u.driver_version.iKernelNum = VERSION_KERNEL; + u.driver_version.iOSNum = VERSION_OS; + u.driver_version.iMinorNum = VERSION_MINOR; - if (copy_to_user(argp, &driver_version, - sizeof(driver_version))) + if (copy_to_user(argp, &u.driver_version, + sizeof(u.driver_version))) return -EFAULT; break; case VIAFB_SET_DEVICE_INFO: - if (copy_from_user(&viafb_setting, - argp, sizeof(viafb_setting))) + if (copy_from_user(&u.viafb_setting, + argp, sizeof(u.viafb_setting))) return -EFAULT; - if (apply_device_setting(viafb_setting, info) < 0) + if (apply_device_setting(u.viafb_setting, info) < 0) return -EINVAL; break; case VIAFB_SET_SECOND_MODE: - if (copy_from_user(&sec_var, argp, sizeof(sec_var))) + if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var))) return -EFAULT; - apply_second_mode_setting(&sec_var); + apply_second_mode_setting(&u.sec_var); break; case VIAFB_GET_DEVICE_INFO: - retrieve_device_setting(&viafb_setting); + retrieve_device_setting(&u.viafb_setting); - if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting))) + if (copy_to_user(argp, &u.viafb_setting, + sizeof(u.viafb_setting))) return -EFAULT; break; @@ -806,51 +809,51 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) break; case VIAFB_GET_PANEL_MAX_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_MAX_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_SET_PANEL_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_SET_PANEL_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; @@ -1052,10 +1055,8 @@ static void viafb_imageblit(struct fb_info *info, static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) { - u8 data[CURSOR_SIZE / 8]; - u32 data_bak[CURSOR_SIZE / 32]; u32 temp, xx, yy, bg_col = 0, fg_col = 0; - int size, i, j = 0; + int i, j = 0; static int hw_cursor; struct viafb_par *p_viafb_par; @@ -1178,22 +1179,29 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) } if (cursor->set & FB_CUR_SETSHAPE) { - size = + struct { + u8 data[CURSOR_SIZE / 8]; + u32 bak[CURSOR_SIZE / 32]; + } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); + int size = ((viacursor.image.width + 7) >> 3) * viacursor.image.height; + if (cr_data == NULL) + goto out; + if (MAX_CURS == 32) { for (i = 0; i < (CURSOR_SIZE / 32); i++) { - data_bak[i] = 0x0; - data_bak[i + 1] = 0xFFFFFFFF; + cr_data->bak[i] = 0x0; + cr_data->bak[i + 1] = 0xFFFFFFFF; i += 1; } } else if (MAX_CURS == 64) { for (i = 0; i < (CURSOR_SIZE / 32); i++) { - data_bak[i] = 0x0; - data_bak[i + 1] = 0x0; - data_bak[i + 2] = 0xFFFFFFFF; - data_bak[i + 3] = 0xFFFFFFFF; + cr_data->bak[i] = 0x0; + cr_data->bak[i + 1] = 0x0; + cr_data->bak[i + 2] = 0xFFFFFFFF; + cr_data->bak[i + 3] = 0xFFFFFFFF; i += 3; } } @@ -1201,12 +1209,12 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) switch (viacursor.rop) { case ROP_XOR: for (i = 0; i < size; i++) - data[i] = viacursor.mask[i]; + cr_data->data[i] = viacursor.mask[i]; break; case ROP_COPY: for (i = 0; i < size; i++) - data[i] = viacursor.mask[i]; + cr_data->data[i] = viacursor.mask[i]; break; default: break; @@ -1214,23 +1222,25 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) if (MAX_CURS == 32) { for (i = 0; i < size; i++) { - data_bak[j] = (u32) data[i]; - data_bak[j + 1] = ~data_bak[j]; + cr_data->bak[j] = (u32) cr_data->data[i]; + cr_data->bak[j + 1] = ~cr_data->bak[j]; j += 2; } } else if (MAX_CURS == 64) { for (i = 0; i < size; i++) { - data_bak[j] = (u32) data[i]; - data_bak[j + 1] = 0x0; - data_bak[j + 2] = ~data_bak[j]; - data_bak[j + 3] = ~data_bak[j + 1]; + cr_data->bak[j] = (u32) cr_data->data[i]; + cr_data->bak[j + 1] = 0x0; + cr_data->bak[j + 2] = ~cr_data->bak[j]; + cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; j += 4; } } memcpy(((struct viafb_par *)(info->par))->fbmem_virt + ((struct viafb_par *)(info->par))->cursor_start, - data_bak, CURSOR_SIZE); + cr_data->bak, CURSOR_SIZE); +out: + kfree(cr_data); } if (viacursor.enable) diff --git a/firmware/Makefile b/firmware/Makefile index 6968388818b..d872b7942a3 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -20,6 +20,15 @@ fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE)) # accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all). # But be aware that the config file might not be included at all. +ifdef CONFIG_ACENIC_OMIT_TIGON_I +acenic-objs := acenic/tg2.bin +fw-shipped- += acenic/tg1.bin +else +acenic-objs := acenic/tg1.bin acenic/tg2.bin +endif +fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs) +fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \ + adaptec/starfire_tx.bin fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin @@ -38,6 +47,8 @@ fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \ sb16/ima_adpcm_capture.csp fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \ yamaha/ds1e_ctrl.fw +fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \ + tigon/tg3_tso5.bin fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \ emi26/bitstream.fw diff --git a/firmware/WHENCE b/firmware/WHENCE index 8f06639ba3e..1bb2cf4b173 100644 --- a/firmware/WHENCE +++ b/firmware/WHENCE @@ -360,3 +360,52 @@ License: GPLv2 or OpenIB.org BSD license, no source visible -------------------------------------------------------------------------- +Driver: acenic -- Alteon AceNIC Gigabit Ethernet card + +File: acenic/tg1.bin +File: acenic/tg2.bin + +Licence: Unknown + +Found in hex form in kernel source, but source allegedly available at +http://alteon.shareable.org/ + +-------------------------------------------------------------------------- + +Driver: tigon3 -- Broadcom Tigon3 based gigabit Ethernet cards + +File: tigon/tg3.bin +File: tigon/tg3_tso.bin +File: tigon/tg3_tso5.bin + +Licence: + * Firmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. + +Found in hex form in kernel source. + +-------------------------------------------------------------------------- + +Driver: ADAPTEC_STARFIRE - Adaptec Starfire/DuraLAN support + +File: adaptec/starfire_rx.bin +File: adaptec/starfire_tx.bin + +Licence: Allegedly GPLv2, but no source visible. + +Found in hex form in kernel source, with the following notice: + + BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND + THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE + IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE + (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR + OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR + DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES + ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM. + +-------------------------------------------------------------------------- diff --git a/firmware/acenic/tg1.bin.ihex b/firmware/acenic/tg1.bin.ihex new file mode 100644 index 00000000000..bef2659d364 --- /dev/null +++ b/firmware/acenic/tg1.bin.ihex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+:101B40000000000000000000000000000000000095 +:0C1B500000000000000000000000000089 +:00000001FF + * Firmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. diff --git a/firmware/tigon/tg3_tso5.bin.ihex b/firmware/tigon/tg3_tso5.bin.ihex new file mode 100644 index 00000000000..33672514eab --- /dev/null +++ b/firmware/tigon/tg3_tso5.bin.ihex @@ -0,0 +1,252 @@ +:10000000010200000001000000000FD80C004003B6 +:100010000000000000010F040000000010000003B9 +:10002000000000000000000D0000000D3C1D00015C +:1000300037BDE00003A0F0213C10000126100000B5 +:100040000C004010000000000000000D27BDFFE084 +:100050003C04FEFEAFBF00180C0042E834840002EE +:100060000C004364000000003C03000190630F3467 +:10007000240200023C04000124840E9C146200034C +:10008000240500013C04000124840E902406000293 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irmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. +/* 5705 needs a special version of the TSO firmware. */ diff --git a/fs/Kconfig b/fs/Kconfig index ff0e8198020..f9b6e2979aa 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -189,6 +189,8 @@ config OCFS2_FS select CONFIGFS_FS select JBD2 select CRC32 + select QUOTA + select QUOTA_TREE help OCFS2 is a general purpose extent based shared disk cluster file system with many similarities to ext3. It supports 64 bit inode @@ -258,15 +260,14 @@ config OCFS2_DEBUG_FS this option for debugging only as it is likely to decrease performance of the filesystem. -config OCFS2_COMPAT_JBD - bool "Use JBD for compatibility" +config OCFS2_FS_POSIX_ACL + bool "OCFS2 POSIX Access Control Lists" depends on OCFS2_FS + select FS_POSIX_ACL default n - select JBD help - The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 - is backwards compatible with JBD. It is safe to say N here. - However, if you really want to use the original JBD, say Y here. + Posix Access Control Lists (ACLs) support permissions for users and + groups beyond the owner/group/world scheme. endif # BLOCK @@ -303,6 +304,10 @@ config PRINT_QUOTA_WARNING Note that this behavior is currently deprecated and may go away in future. Please use notification via netlink socket instead. +# Generic support for tree structured quota files. Seleted when needed. +config QUOTA_TREE + tristate + config QFMT_V1 tristate "Old quota format support" depends on QUOTA @@ -314,6 +319,7 @@ config QFMT_V1 config QFMT_V2 tristate "Quota format v2 support" depends on QUOTA + select QUOTA_TREE help This quota format allows using quotas with 32-bit UIDs/GIDs. If you need this functionality say Y here. diff --git a/fs/Makefile b/fs/Makefile index e6f423d1d22..c830611550d 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_GENERIC_ACL) += generic_acl.o obj-$(CONFIG_QUOTA) += dquot.o obj-$(CONFIG_QFMT_V1) += quota_v1.o obj-$(CONFIG_QFMT_V2) += quota_v2.o +obj-$(CONFIG_QUOTA_TREE) += quota_tree.o obj-$(CONFIG_QUOTACTL) += quota.o obj-$(CONFIG_PROC_FS) += proc/ diff --git a/fs/affs/file.c b/fs/affs/file.c index 1377b1240b6..9246cb4aa01 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -628,7 +628,7 @@ static int affs_write_begin_ofs(struct file *file, struct address_space *mapping } index = pos >> PAGE_CACHE_SHIFT; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/affs/inode.c b/fs/affs/inode.c index 415d9c67ac1..3c4ec7d864c 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -119,8 +119,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino) goto bad_inode; #else inode->i_mode |= S_IFDIR; - inode->i_op = NULL; - inode->i_fop = NULL; + /* ... and leave ->i_op and ->i_fop pointing to empty */ break; #endif case ST_LINKFILE: diff --git a/fs/afs/write.c b/fs/afs/write.c index d6b85dab35f..3fb36d43362 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -144,7 +144,7 @@ int afs_write_begin(struct file *file, struct address_space *mapping, candidate->state = AFS_WBACK_PENDING; init_waitqueue_head(&candidate->waitq); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { kfree(candidate); return -ENOMEM; diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c index c773680d5c6..e1734f2d6e2 100644 --- a/fs/autofs/inode.c +++ b/fs/autofs/inode.c @@ -251,13 +251,11 @@ struct inode *autofs_iget(struct super_block *sb, unsigned long ino) inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO; inode->i_nlink = 2; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; if (ino == AUTOFS_ROOT_INO) { inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &autofs_root_inode_operations; inode->i_fop = &autofs_root_operations; - inode->i_uid = inode->i_gid = 0; /* Changed in read_super */ goto done; } diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 7b19802cfef..cfc23e53b6f 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -455,11 +455,7 @@ struct inode *autofs4_get_inode(struct super_block *sb, if (sb->s_root) { inode->i_uid = sb->s_root->d_inode->i_uid; inode->i_gid = sb->s_root->d_inode->i_gid; - } else { - inode->i_uid = 0; - inode->i_gid = 0; } - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; if (S_ISDIR(inf->mode)) { diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index f2744ab4e5b..e1158cb4fbd 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -496,9 +496,6 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); } diff --git a/fs/buffer.c b/fs/buffer.c index 776ae091d3b..a13f09b696f 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1996,7 +1996,7 @@ int block_write_begin(struct file *file, struct address_space *mapping, page = *pagep; if (page == NULL) { ownpage = 1; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { status = -ENOMEM; goto out; @@ -2502,7 +2502,7 @@ int nobh_write_begin(struct file *file, struct address_space *mapping, from = pos & (PAGE_CACHE_SIZE - 1); to = from + len; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index b1e1fc6a6e6..12bb656fbe7 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2074,7 +2074,7 @@ static int cifs_write_begin(struct file *file, struct address_space *mapping, cFYI(1, ("write_begin from %lld len %d", (long long)pos, len)); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { rc = -ENOMEM; goto out; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index f247da9f4ed..5ab9896fdcb 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1641,7 +1641,7 @@ do_expand: i_size_write(inode, offset); spin_unlock(&inode->i_lock); out_truncate: - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; out_sig: diff --git a/fs/coda/file.c b/fs/coda/file.c index 466303db2df..6a347fbc998 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -201,8 +201,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) { struct file *host_file; - struct dentry *host_dentry; - struct inode *host_inode, *coda_inode = coda_dentry->d_inode; + struct inode *coda_inode = coda_dentry->d_inode; struct coda_file_info *cfi; int err = 0; @@ -214,14 +213,7 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - if (host_file->f_op && host_file->f_op->fsync) { - host_dentry = host_file->f_path.dentry; - host_inode = host_dentry->d_inode; - mutex_lock(&host_inode->i_mutex); - err = host_file->f_op->fsync(host_file, host_dentry, datasync); - mutex_unlock(&host_inode->i_mutex); - } - + err = vfs_fsync(host_file, host_file->f_path.dentry, datasync); if ( !err && !datasync ) { lock_kernel(); err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode)); diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 4803ccc9448..5d349d38e05 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -117,8 +117,6 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) static inline void set_default_inode_attr(struct inode * inode, mode_t mode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } @@ -136,7 +134,6 @@ struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd) { struct inode * inode = new_inode(configfs_sb); if (inode) { - inode->i_blocks = 0; inode->i_mapping->a_ops = &configfs_aops; inode->i_mapping->backing_dev_info = &configfs_backing_dev_info; inode->i_op = &configfs_inode_operations; diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index f40423eb1a1..a07338d2d14 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -83,8 +83,6 @@ static struct inode *get_cramfs_inode(struct super_block *sb, inode->i_op = &page_symlink_inode_operations; inode->i_data.a_ops = &cramfs_aops; } else { - inode->i_size = 0; - inode->i_blocks = 0; init_special_inode(inode, inode->i_mode, old_decode_dev(cramfs_inode->size)); } diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 3dbe2169cf3..81ae9ea3c6e 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -37,9 +37,6 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index fff96e152c0..5f3231b9633 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -189,8 +189,6 @@ static int mknod_ptmx(struct super_block *sb) } inode->i_ino = 2; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; mode = S_IFCHR|opts->ptmxmode; @@ -300,8 +298,6 @@ devpts_fill_super(struct super_block *s, void *data, int silent) goto free_fsi; inode->i_ino = 1; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; - inode->i_uid = inode->i_gid = 0; inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 8bf31e3fbf0..dc2ad6008b2 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -2,7 +2,7 @@ ******************************************************************************* ** ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. -** Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -33,10 +33,10 @@ void dlm_del_ast(struct dlm_lkb *lkb) spin_unlock(&ast_queue_lock); } -void dlm_add_ast(struct dlm_lkb *lkb, int type) +void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode) { if (lkb->lkb_flags & DLM_IFL_USER) { - dlm_user_add_ast(lkb, type); + dlm_user_add_ast(lkb, type, bastmode); return; } @@ -46,6 +46,8 @@ void dlm_add_ast(struct dlm_lkb *lkb, int type) list_add_tail(&lkb->lkb_astqueue, &ast_queue); } lkb->lkb_ast_type |= type; + if (bastmode) + lkb->lkb_bastmode = bastmode; spin_unlock(&ast_queue_lock); set_bit(WAKE_ASTS, &astd_wakeflags); @@ -59,50 +61,40 @@ static void process_asts(void) struct dlm_lkb *lkb; void (*cast) (void *astparam); void (*bast) (void *astparam, int mode); - int type = 0, found, bmode; - - for (;;) { - found = 0; - spin_lock(&ast_queue_lock); - list_for_each_entry(lkb, &ast_queue, lkb_astqueue) { - r = lkb->lkb_resource; - ls = r->res_ls; - - if (dlm_locking_stopped(ls)) - continue; - - list_del(&lkb->lkb_astqueue); - type = lkb->lkb_ast_type; - lkb->lkb_ast_type = 0; - found = 1; - break; - } - spin_unlock(&ast_queue_lock); + int type = 0, bastmode; + +repeat: + spin_lock(&ast_queue_lock); + list_for_each_entry(lkb, &ast_queue, lkb_astqueue) { + r = lkb->lkb_resource; + ls = r->res_ls; + + if (dlm_locking_stopped(ls)) + continue; - if (!found) - break; + list_del(&lkb->lkb_astqueue); + type = lkb->lkb_ast_type; + lkb->lkb_ast_type = 0; + bastmode = lkb->lkb_bastmode; + spin_unlock(&ast_queue_lock); cast = lkb->lkb_astfn; bast = lkb->lkb_bastfn; - bmode = lkb->lkb_bastmode; if ((type & AST_COMP) && cast) cast(lkb->lkb_astparam); - /* FIXME: Is it safe to look at lkb_grmode here - without doing a lock_rsb() ? - Look at other checks in v1 to avoid basts. */ - if ((type & AST_BAST) && bast) - if (!dlm_modes_compat(lkb->lkb_grmode, bmode)) - bast(lkb->lkb_astparam, bmode); + bast(lkb->lkb_astparam, bastmode); /* this removes the reference added by dlm_add_ast and may result in the lkb being freed */ dlm_put_lkb(lkb); - schedule(); + cond_resched(); + goto repeat; } + spin_unlock(&ast_queue_lock); } static inline int no_asts(void) diff --git a/fs/dlm/ast.h b/fs/dlm/ast.h index 6ee276c74c5..1b5fc5f428f 100644 --- a/fs/dlm/ast.h +++ b/fs/dlm/ast.h @@ -1,7 +1,7 @@ /****************************************************************************** ******************************************************************************* ** -** Copyright (C) 2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -13,7 +13,7 @@ #ifndef __ASTD_DOT_H__ #define __ASTD_DOT_H__ -void dlm_add_ast(struct dlm_lkb *lkb, int type); +void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode); void dlm_del_ast(struct dlm_lkb *lkb); void dlm_astd_wake(void); diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 8fc24f4507a..2f107d1a6a4 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -1,7 +1,7 @@ /****************************************************************************** ******************************************************************************* ** -** Copyright (C) 2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -27,7 +27,7 @@ static struct dentry *dlm_root; struct rsb_iter { int entry; - int locks; + int format; int header; struct dlm_ls *ls; struct list_head *next; @@ -60,8 +60,8 @@ static char *print_lockmode(int mode) } } -static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb, - struct dlm_rsb *res) +static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb, + struct dlm_rsb *res) { seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode)); @@ -83,7 +83,7 @@ static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb, seq_printf(s, "\n"); } -static int print_resource(struct dlm_rsb *res, struct seq_file *s) +static int print_format1(struct dlm_rsb *res, struct seq_file *s) { struct dlm_lkb *lkb; int i, lvblen = res->res_ls->ls_lvblen, recover_list, root_list; @@ -134,15 +134,15 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) /* Print the locks attached to this resource */ seq_printf(s, "Granted Queue\n"); list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); seq_printf(s, "Conversion Queue\n"); list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); seq_printf(s, "Waiting Queue\n"); list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); if (list_empty(&res->res_lookup)) goto out; @@ -160,23 +160,24 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) return 0; } -static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r) +static void print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb, + struct dlm_rsb *r) { - unsigned int waiting = 0; - uint64_t xid = 0; + u64 xid = 0; + u64 us; if (lkb->lkb_flags & DLM_IFL_USER) { if (lkb->lkb_ua) xid = lkb->lkb_ua->xid; } - if (lkb->lkb_timestamp) - waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp); + /* microseconds since lkb was added to current queue */ + us = ktime_to_us(ktime_sub(ktime_get(), lkb->lkb_timestamp)); - /* id nodeid remid pid xid exflags flags sts grmode rqmode time_ms + /* id nodeid remid pid xid exflags flags sts grmode rqmode time_us r_nodeid r_len r_name */ - seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %u %u %d \"%s\"\n", + seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n", lkb->lkb_id, lkb->lkb_nodeid, lkb->lkb_remid, @@ -187,26 +188,114 @@ static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb * lkb->lkb_status, lkb->lkb_grmode, lkb->lkb_rqmode, - waiting, + (unsigned long long)us, r->res_nodeid, r->res_length, r->res_name); } -static int print_locks(struct dlm_rsb *r, struct seq_file *s) +static int print_format2(struct dlm_rsb *r, struct seq_file *s) { struct dlm_lkb *lkb; lock_rsb(r); list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); + + unlock_rsb(r); + return 0; +} + +static void print_format3_lock(struct seq_file *s, struct dlm_lkb *lkb, + int rsb_lookup) +{ + u64 xid = 0; + + if (lkb->lkb_flags & DLM_IFL_USER) { + if (lkb->lkb_ua) + xid = lkb->lkb_ua->xid; + } + + seq_printf(s, "lkb %x %d %x %u %llu %x %x %d %d %d %d %d %d %u %llu %llu\n", + lkb->lkb_id, + lkb->lkb_nodeid, + lkb->lkb_remid, + lkb->lkb_ownpid, + (unsigned long long)xid, + lkb->lkb_exflags, + lkb->lkb_flags, + lkb->lkb_status, + lkb->lkb_grmode, + lkb->lkb_rqmode, + lkb->lkb_highbast, + rsb_lookup, + lkb->lkb_wait_type, + lkb->lkb_lvbseq, + (unsigned long long)ktime_to_ns(lkb->lkb_timestamp), + (unsigned long long)ktime_to_ns(lkb->lkb_time_bast)); +} + +static int print_format3(struct dlm_rsb *r, struct seq_file *s) +{ + struct dlm_lkb *lkb; + int i, lvblen = r->res_ls->ls_lvblen; + int print_name = 1; + + lock_rsb(r); + + seq_printf(s, "rsb %p %d %x %lx %d %d %u %d ", + r, + r->res_nodeid, + r->res_first_lkid, + r->res_flags, + !list_empty(&r->res_root_list), + !list_empty(&r->res_recover_list), + r->res_recover_locks_count, + r->res_length); + + for (i = 0; i < r->res_length; i++) { + if (!isascii(r->res_name[i]) || !isprint(r->res_name[i])) + print_name = 0; + } + + seq_printf(s, "%s", print_name ? "str " : "hex"); + + for (i = 0; i < r->res_length; i++) { + if (print_name) + seq_printf(s, "%c", r->res_name[i]); + else + seq_printf(s, " %02x", (unsigned char)r->res_name[i]); + } + seq_printf(s, "\n"); + + if (!r->res_lvbptr) + goto do_locks; + + seq_printf(s, "lvb %u %d", r->res_lvbseq, lvblen); + + for (i = 0; i < lvblen; i++) + seq_printf(s, " %02x", (unsigned char)r->res_lvbptr[i]); + seq_printf(s, "\n"); + + do_locks: + list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup) + print_format3_lock(s, lkb, 1); unlock_rsb(r); return 0; @@ -231,7 +320,7 @@ static int rsb_iter_next(struct rsb_iter *ri) break; } read_unlock(&ls->ls_rsbtbl[i].lock); - } + } ri->entry = i; if (ri->entry >= ls->ls_rsbtbl_size) @@ -248,7 +337,7 @@ static int rsb_iter_next(struct rsb_iter *ri) read_unlock(&ls->ls_rsbtbl[i].lock); dlm_put_rsb(old); goto top; - } + } ri->rsb = list_entry(ri->next, struct dlm_rsb, res_hashchain); dlm_hold_rsb(ri->rsb); read_unlock(&ls->ls_rsbtbl[i].lock); @@ -274,6 +363,7 @@ static struct rsb_iter *rsb_iter_init(struct dlm_ls *ls) ri->ls = ls; ri->entry = 0; ri->next = NULL; + ri->format = 1; if (rsb_iter_next(ri)) { rsb_iter_free(ri); @@ -325,16 +415,26 @@ static int rsb_seq_show(struct seq_file *file, void *iter_ptr) { struct rsb_iter *ri = iter_ptr; - if (ri->locks) { + switch (ri->format) { + case 1: + print_format1(ri->rsb, file); + break; + case 2: if (ri->header) { - seq_printf(file, "id nodeid remid pid xid exflags flags " - "sts grmode rqmode time_ms r_nodeid " - "r_len r_name\n"); + seq_printf(file, "id nodeid remid pid xid exflags " + "flags sts grmode rqmode time_ms " + "r_nodeid r_len r_name\n"); ri->header = 0; } - print_locks(ri->rsb, file); - } else { - print_resource(ri->rsb, file); + print_format2(ri->rsb, file); + break; + case 3: + if (ri->header) { + seq_printf(file, "version rsb 1.1 lvb 1.1 lkb 1.1\n"); + ri->header = 0; + } + print_format3(ri->rsb, file); + break; } return 0; @@ -385,7 +485,7 @@ static struct rsb_iter *locks_iter_init(struct dlm_ls *ls, loff_t *pos) ri->ls = ls; ri->entry = 0; ri->next = NULL; - ri->locks = 1; + ri->format = 2; if (*pos == 0) ri->header = 1; @@ -448,6 +548,84 @@ static const struct file_operations locks_fops = { }; /* + * Dump all rsb/lvb/lkb state in compact listing, more complete than _locks + * This can replace both formats 1 and 2 eventually. + */ + +static struct rsb_iter *all_iter_init(struct dlm_ls *ls, loff_t *pos) +{ + struct rsb_iter *ri; + + ri = kzalloc(sizeof *ri, GFP_KERNEL); + if (!ri) + return NULL; + + ri->ls = ls; + ri->entry = 0; + ri->next = NULL; + ri->format = 3; + + if (*pos == 0) + ri->header = 1; + + if (rsb_iter_next(ri)) { + rsb_iter_free(ri); + return NULL; + } + + return ri; +} + +static void *all_seq_start(struct seq_file *file, loff_t *pos) +{ + struct rsb_iter *ri; + loff_t n = *pos; + + ri = all_iter_init(file->private, pos); + if (!ri) + return NULL; + + while (n--) { + if (rsb_iter_next(ri)) { + rsb_iter_free(ri); + return NULL; + } + } + + return ri; +} + +static struct seq_operations all_seq_ops = { + .start = all_seq_start, + .next = rsb_seq_next, + .stop = rsb_seq_stop, + .show = rsb_seq_show, +}; + +static int all_open(struct inode *inode, struct file *file) +{ + struct seq_file *seq; + int ret; + + ret = seq_open(file, &all_seq_ops); + if (ret) + return ret; + + seq = file->private_data; + seq->private = inode->i_private; + + return 0; +} + +static const struct file_operations all_fops = { + .owner = THIS_MODULE, + .open = all_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release +}; + +/* * dump lkb's on the ls_waiters list */ @@ -489,30 +667,33 @@ static const struct file_operations waiters_fops = { .read = waiters_read }; +void dlm_delete_debug_file(struct dlm_ls *ls) +{ + if (ls->ls_debug_rsb_dentry) + debugfs_remove(ls->ls_debug_rsb_dentry); + if (ls->ls_debug_waiters_dentry) + debugfs_remove(ls->ls_debug_waiters_dentry); + if (ls->ls_debug_locks_dentry) + debugfs_remove(ls->ls_debug_locks_dentry); + if (ls->ls_debug_all_dentry) + debugfs_remove(ls->ls_debug_all_dentry); +} + int dlm_create_debug_file(struct dlm_ls *ls) { char name[DLM_LOCKSPACE_LEN+8]; + /* format 1 */ + ls->ls_debug_rsb_dentry = debugfs_create_file(ls->ls_name, S_IFREG | S_IRUGO, dlm_root, ls, &rsb_fops); if (!ls->ls_debug_rsb_dentry) - return -ENOMEM; + goto fail; - memset(name, 0, sizeof(name)); - snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name); - - ls->ls_debug_waiters_dentry = debugfs_create_file(name, - S_IFREG | S_IRUGO, - dlm_root, - ls, - &waiters_fops); - if (!ls->ls_debug_waiters_dentry) { - debugfs_remove(ls->ls_debug_rsb_dentry); - return -ENOMEM; - } + /* format 2 */ memset(name, 0, sizeof(name)); snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_locks", ls->ls_name); @@ -522,23 +703,38 @@ int dlm_create_debug_file(struct dlm_ls *ls) dlm_root, ls, &locks_fops); - if (!ls->ls_debug_locks_dentry) { - debugfs_remove(ls->ls_debug_waiters_dentry); - debugfs_remove(ls->ls_debug_rsb_dentry); - return -ENOMEM; - } + if (!ls->ls_debug_locks_dentry) + goto fail; + + /* format 3 */ + + memset(name, 0, sizeof(name)); + snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_all", ls->ls_name); + + ls->ls_debug_all_dentry = debugfs_create_file(name, + S_IFREG | S_IRUGO, + dlm_root, + ls, + &all_fops); + if (!ls->ls_debug_all_dentry) + goto fail; + + memset(name, 0, sizeof(name)); + snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name); + + ls->ls_debug_waiters_dentry = debugfs_create_file(name, + S_IFREG | S_IRUGO, + dlm_root, + ls, + &waiters_fops); + if (!ls->ls_debug_waiters_dentry) + goto fail; return 0; -} -void dlm_delete_debug_file(struct dlm_ls *ls) -{ - if (ls->ls_debug_rsb_dentry) - debugfs_remove(ls->ls_debug_rsb_dentry); - if (ls->ls_debug_waiters_dentry) - debugfs_remove(ls->ls_debug_waiters_dentry); - if (ls->ls_debug_locks_dentry) - debugfs_remove(ls->ls_debug_locks_dentry); + fail: + dlm_delete_debug_file(ls); + return -ENOMEM; } int __init dlm_register_debugfs(void) diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c index 85defeb64df..92969f879a1 100644 --- a/fs/dlm/dir.c +++ b/fs/dlm/dir.c @@ -374,7 +374,7 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, struct list_head *list; struct dlm_rsb *r; int offset = 0, dir_nodeid; - uint16_t be_namelen; + __be16 be_namelen; down_read(&ls->ls_root_sem); @@ -410,15 +410,15 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, if (offset + sizeof(uint16_t)*2 + r->res_length > outlen) { /* Write end-of-block record */ - be_namelen = 0; - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + be_namelen = cpu_to_be16(0); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); goto out; } be_namelen = cpu_to_be16(r->res_length); - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); memcpy(outbuf + offset, r->res_name, r->res_length); offset += r->res_length; } @@ -430,9 +430,9 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, if ((list == &ls->ls_root_list) && (offset + sizeof(uint16_t) <= outlen)) { - be_namelen = 0xFFFF; - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + be_namelen = cpu_to_be16(0xFFFF); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); } out: diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 868e4c9ef12..ef2f1e35396 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -245,7 +245,8 @@ struct dlm_lkb { struct list_head lkb_astqueue; /* need ast to be sent */ struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; - unsigned long lkb_timestamp; + ktime_t lkb_time_bast; /* for debugging */ + ktime_t lkb_timestamp; unsigned long lkb_timeout_cs; char *lkb_lvbptr; @@ -481,6 +482,7 @@ struct dlm_ls { struct dentry *ls_debug_rsb_dentry; /* debugfs */ struct dentry *ls_debug_waiters_dentry; /* debugfs */ struct dentry *ls_debug_locks_dentry; /* debugfs */ + struct dentry *ls_debug_all_dentry; /* debugfs */ wait_queue_head_t ls_uevent_wait; /* user part of join/leave */ int ls_uevent_result; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 724ddac9153..6cfe65bbf4a 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -307,7 +307,7 @@ static void queue_cast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rv) lkb->lkb_lksb->sb_status = rv; lkb->lkb_lksb->sb_flags = lkb->lkb_sbflags; - dlm_add_ast(lkb, AST_COMP); + dlm_add_ast(lkb, AST_COMP, 0); } static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) @@ -318,12 +318,12 @@ static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) { + lkb->lkb_time_bast = ktime_get(); + if (is_master_copy(lkb)) send_bast(r, lkb, rqmode); - else { - lkb->lkb_bastmode = rqmode; - dlm_add_ast(lkb, AST_BAST); - } + else + dlm_add_ast(lkb, AST_BAST, rqmode); } /* @@ -744,6 +744,8 @@ static void add_lkb(struct dlm_rsb *r, struct dlm_lkb *lkb, int status) DLM_ASSERT(!lkb->lkb_status, dlm_print_lkb(lkb);); + lkb->lkb_timestamp = ktime_get(); + lkb->lkb_status = status; switch (status) { @@ -1013,10 +1015,8 @@ static void add_timeout(struct dlm_lkb *lkb) { struct dlm_ls *ls = lkb->lkb_resource->res_ls; - if (is_master_copy(lkb)) { - lkb->lkb_timestamp = jiffies; + if (is_master_copy(lkb)) return; - } if (test_bit(LSFL_TIMEWARN, &ls->ls_flags) && !(lkb->lkb_exflags & DLM_LKF_NODLCKWT)) { @@ -1031,7 +1031,6 @@ static void add_timeout(struct dlm_lkb *lkb) DLM_ASSERT(list_empty(&lkb->lkb_time_list), dlm_print_lkb(lkb);); mutex_lock(&ls->ls_timeout_mutex); hold_lkb(lkb); - lkb->lkb_timestamp = jiffies; list_add_tail(&lkb->lkb_time_list, &ls->ls_timeout); mutex_unlock(&ls->ls_timeout_mutex); } @@ -1059,6 +1058,7 @@ void dlm_scan_timeout(struct dlm_ls *ls) struct dlm_rsb *r; struct dlm_lkb *lkb; int do_cancel, do_warn; + s64 wait_us; for (;;) { if (dlm_locking_stopped(ls)) @@ -1069,14 +1069,15 @@ void dlm_scan_timeout(struct dlm_ls *ls) mutex_lock(&ls->ls_timeout_mutex); list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) { + wait_us = ktime_to_us(ktime_sub(ktime_get(), + lkb->lkb_timestamp)); + if ((lkb->lkb_exflags & DLM_LKF_TIMEOUT) && - time_after_eq(jiffies, lkb->lkb_timestamp + - lkb->lkb_timeout_cs * HZ/100)) + wait_us >= (lkb->lkb_timeout_cs * 10000)) do_cancel = 1; if ((lkb->lkb_flags & DLM_IFL_WATCH_TIMEWARN) && - time_after_eq(jiffies, lkb->lkb_timestamp + - dlm_config.ci_timewarn_cs * HZ/100)) + wait_us >= dlm_config.ci_timewarn_cs * 10000) do_warn = 1; if (!do_cancel && !do_warn) @@ -1122,12 +1123,12 @@ void dlm_scan_timeout(struct dlm_ls *ls) void dlm_adjust_timeouts(struct dlm_ls *ls) { struct dlm_lkb *lkb; - long adj = jiffies - ls->ls_recover_begin; + u64 adj_us = jiffies_to_usecs(jiffies - ls->ls_recover_begin); ls->ls_recover_begin = 0; mutex_lock(&ls->ls_timeout_mutex); list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) - lkb->lkb_timestamp += adj; + lkb->lkb_timestamp = ktime_add_us(lkb->lkb_timestamp, adj_us); mutex_unlock(&ls->ls_timeout_mutex); } diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 3962262f991..103a5ebd137 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -295,6 +295,7 @@ static int add_sock(struct socket *sock, struct connection *con) con->sock->sk->sk_write_space = lowcomms_write_space; con->sock->sk->sk_state_change = lowcomms_state_change; con->sock->sk->sk_user_data = con; + con->sock->sk->sk_allocation = GFP_NOFS; return 0; } @@ -823,7 +824,6 @@ static void sctp_init_assoc(struct connection *con) len = e->len; offset = e->offset; spin_unlock(&con->writequeue_lock); - kmap(e->page); /* Send the first block off the write queue */ iov[0].iov_base = page_address(e->page)+offset; @@ -854,7 +854,6 @@ static void sctp_init_assoc(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); } spin_unlock(&con->writequeue_lock); @@ -1203,8 +1202,6 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc) if (e) { got_one: - if (users == 0) - kmap(e->page); *ppc = page_address(e->page) + offset; return e; } @@ -1233,7 +1230,6 @@ void dlm_lowcomms_commit_buffer(void *mh) if (users) goto out; e->len = e->end - e->offset; - kunmap(e->page); spin_unlock(&con->writequeue_lock); if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) { @@ -1272,7 +1268,6 @@ static void send_to_sock(struct connection *con) offset = e->offset; BUG_ON(len == 0 && e->users == 0); spin_unlock(&con->writequeue_lock); - kmap(e->page); ret = 0; if (len) { @@ -1294,7 +1289,6 @@ static void send_to_sock(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); continue; } diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 54c14c6d06c..c1775b84eba 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -39,7 +39,7 @@ char *dlm_allocate_lvb(struct dlm_ls *ls) { char *p; - p = kzalloc(ls->ls_lvblen, GFP_KERNEL); + p = kzalloc(ls->ls_lvblen, ls->ls_allocation); return p; } @@ -57,7 +57,7 @@ struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen) DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,); - r = kzalloc(sizeof(*r) + namelen, GFP_KERNEL); + r = kzalloc(sizeof(*r) + namelen, ls->ls_allocation); return r; } @@ -72,7 +72,7 @@ struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls) { struct dlm_lkb *lkb; - lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL); + lkb = kmem_cache_zalloc(lkb_cache, ls->ls_allocation); return lkb; } diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index 07ac709f3ed..f3396c622ae 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -112,7 +112,7 @@ int dlm_process_incoming_buffer(int nodeid, const void *base, ordinary messages). */ if (msglen > sizeof(__tmp) && p == &__tmp.p) { - p = kmalloc(dlm_config.ci_buffer_size, GFP_KERNEL); + p = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); if (p == NULL) return ret; } diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c index aa2a5775a02..ccc9d62c462 100644 --- a/fs/dlm/netlink.c +++ b/fs/dlm/netlink.c @@ -115,7 +115,6 @@ static void fill_data(struct dlm_lock_data *data, struct dlm_lkb *lkb) data->status = lkb->lkb_status; data->grmode = lkb->lkb_grmode; data->rqmode = lkb->lkb_rqmode; - data->timestamp = lkb->lkb_timestamp; if (lkb->lkb_ua) data->xid = lkb->lkb_ua->xid; if (r) { diff --git a/fs/dlm/user.c b/fs/dlm/user.c index b3832c67194..065149e84f4 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -175,7 +175,7 @@ static int lkb_is_endoflife(struct dlm_lkb *lkb, int sb_status, int type) /* we could possibly check if the cancel of an orphan has resulted in the lkb being removed and then remove that lkb from the orphans list and free it */ -void dlm_user_add_ast(struct dlm_lkb *lkb, int type) +void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode) { struct dlm_ls *ls; struct dlm_user_args *ua; @@ -208,6 +208,8 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, int type) ast_type = lkb->lkb_ast_type; lkb->lkb_ast_type |= type; + if (bastmode) + lkb->lkb_bastmode = bastmode; if (!ast_type) { kref_get(&lkb->lkb_ref); diff --git a/fs/dlm/user.h b/fs/dlm/user.h index 35eb6a13d61..1c968649228 100644 --- a/fs/dlm/user.h +++ b/fs/dlm/user.h @@ -9,7 +9,7 @@ #ifndef __USER_DOT_H__ #define __USER_DOT_H__ -void dlm_user_add_ast(struct dlm_lkb *lkb, int type); +void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode); int dlm_user_init(void); void dlm_user_exit(void); int dlm_device_deregister(struct dlm_ls *ls); diff --git a/fs/dquot.c b/fs/dquot.c index c237ccc8581..61bfff64e5a 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -211,8 +211,6 @@ static struct hlist_head *dquot_hash; struct dqstats dqstats; -static void dqput(struct dquot *dquot); - static inline unsigned int hashfn(const struct super_block *sb, unsigned int id, int type) { @@ -415,6 +413,17 @@ out_dqlock: return ret; } +void dquot_destroy(struct dquot *dquot) +{ + kmem_cache_free(dquot_cachep, dquot); +} +EXPORT_SYMBOL(dquot_destroy); + +static inline void do_destroy_dquot(struct dquot *dquot) +{ + dquot->dq_sb->dq_op->destroy_dquot(dquot); +} + /* Invalidate all dquots on the list. Note that this function is called after * quota is disabled and pointers from inodes removed so there cannot be new * quota users. There can still be some users of quotas due to inodes being @@ -463,9 +472,44 @@ restart: remove_dquot_hash(dquot); remove_free_dquot(dquot); remove_inuse(dquot); - kmem_cache_free(dquot_cachep, dquot); + do_destroy_dquot(dquot); + } + spin_unlock(&dq_list_lock); +} + +/* Call callback for every active dquot on given filesystem */ +int dquot_scan_active(struct super_block *sb, + int (*fn)(struct dquot *dquot, unsigned long priv), + unsigned long priv) +{ + struct dquot *dquot, *old_dquot = NULL; + int ret = 0; + + mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); + spin_lock(&dq_list_lock); + list_for_each_entry(dquot, &inuse_list, dq_inuse) { + if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) + continue; + if (dquot->dq_sb != sb) + continue; + /* Now we have active dquot so we can just increase use count */ + atomic_inc(&dquot->dq_count); + dqstats.lookups++; + spin_unlock(&dq_list_lock); + dqput(old_dquot); + old_dquot = dquot; + ret = fn(dquot, priv); + if (ret < 0) + goto out; + spin_lock(&dq_list_lock); + /* We are safe to continue now because our dquot could not + * be moved out of the inuse list while we hold the reference */ } spin_unlock(&dq_list_lock); +out: + dqput(old_dquot); + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); + return ret; } int vfs_quota_sync(struct super_block *sb, int type) @@ -479,7 +523,7 @@ int vfs_quota_sync(struct super_block *sb, int type) for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && cnt != type) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; spin_lock(&dq_list_lock); dirty = &dqopt->info[cnt].dqi_dirty_list; @@ -504,8 +548,8 @@ int vfs_quota_sync(struct super_block *sb, int type) } for (cnt = 0; cnt < MAXQUOTAS; cnt++) - if ((cnt == type || type == -1) && sb_has_quota_enabled(sb, cnt) - && info_dirty(&dqopt->info[cnt])) + if ((cnt == type || type == -1) && sb_has_quota_active(sb, cnt) + && info_dirty(&dqopt->info[cnt])) sb->dq_op->write_info(sb, cnt); spin_lock(&dq_list_lock); dqstats.syncs++; @@ -527,7 +571,7 @@ static void prune_dqcache(int count) remove_dquot_hash(dquot); remove_free_dquot(dquot); remove_inuse(dquot); - kmem_cache_free(dquot_cachep, dquot); + do_destroy_dquot(dquot); count--; head = free_dquots.prev; } @@ -558,7 +602,7 @@ static struct shrinker dqcache_shrinker = { * NOTE: If you change this function please check whether dqput_blocks() works right... * MUST be called with either dqptr_sem or dqonoff_mutex held */ -static void dqput(struct dquot *dquot) +void dqput(struct dquot *dquot) { int ret; @@ -584,7 +628,7 @@ we_slept: /* We have more than one user... nothing to do */ atomic_dec(&dquot->dq_count); /* Releasing dquot during quotaoff phase? */ - if (!sb_has_quota_enabled(dquot->dq_sb, dquot->dq_type) && + if (!sb_has_quota_active(dquot->dq_sb, dquot->dq_type) && atomic_read(&dquot->dq_count) == 1) wake_up(&dquot->dq_wait_unused); spin_unlock(&dq_list_lock); @@ -625,11 +669,17 @@ we_slept: spin_unlock(&dq_list_lock); } +struct dquot *dquot_alloc(struct super_block *sb, int type) +{ + return kmem_cache_zalloc(dquot_cachep, GFP_NOFS); +} +EXPORT_SYMBOL(dquot_alloc); + static struct dquot *get_empty_dquot(struct super_block *sb, int type) { struct dquot *dquot; - dquot = kmem_cache_zalloc(dquot_cachep, GFP_NOFS); + dquot = sb->dq_op->alloc_dquot(sb, type); if(!dquot) return NODQUOT; @@ -647,15 +697,33 @@ static struct dquot *get_empty_dquot(struct super_block *sb, int type) } /* + * Check whether dquot is in memory. + * MUST be called with either dqptr_sem or dqonoff_mutex held + */ +int dquot_is_cached(struct super_block *sb, unsigned int id, int type) +{ + unsigned int hashent = hashfn(sb, id, type); + int ret = 0; + + if (!sb_has_quota_active(sb, type)) + return 0; + spin_lock(&dq_list_lock); + if (find_dquot(hashent, sb, id, type) != NODQUOT) + ret = 1; + spin_unlock(&dq_list_lock); + return ret; +} + +/* * Get reference to dquot * MUST be called with either dqptr_sem or dqonoff_mutex held */ -static struct dquot *dqget(struct super_block *sb, unsigned int id, int type) +struct dquot *dqget(struct super_block *sb, unsigned int id, int type) { unsigned int hashent = hashfn(sb, id, type); struct dquot *dquot, *empty = NODQUOT; - if (!sb_has_quota_enabled(sb, type)) + if (!sb_has_quota_active(sb, type)) return NODQUOT; we_slept: spin_lock(&dq_list_lock); @@ -682,7 +750,7 @@ we_slept: dqstats.lookups++; spin_unlock(&dq_list_lock); if (empty) - kmem_cache_free(dquot_cachep, empty); + do_destroy_dquot(empty); } /* Wait for dq_lock - after this we know that either dquot_release() is already * finished or it will be canceled due to dq_count > 1 test */ @@ -820,7 +888,7 @@ static void drop_dquot_ref(struct super_block *sb, int type) } } -static inline void dquot_incr_inodes(struct dquot *dquot, unsigned long number) +static inline void dquot_incr_inodes(struct dquot *dquot, qsize_t number) { dquot->dq_dqb.dqb_curinodes += number; } @@ -830,9 +898,10 @@ static inline void dquot_incr_space(struct dquot *dquot, qsize_t number) dquot->dq_dqb.dqb_curspace += number; } -static inline void dquot_decr_inodes(struct dquot *dquot, unsigned long number) +static inline void dquot_decr_inodes(struct dquot *dquot, qsize_t number) { - if (dquot->dq_dqb.dqb_curinodes > number) + if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE || + dquot->dq_dqb.dqb_curinodes >= number) dquot->dq_dqb.dqb_curinodes -= number; else dquot->dq_dqb.dqb_curinodes = 0; @@ -843,11 +912,12 @@ static inline void dquot_decr_inodes(struct dquot *dquot, unsigned long number) static inline void dquot_decr_space(struct dquot *dquot, qsize_t number) { - if (dquot->dq_dqb.dqb_curspace > number) + if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE || + dquot->dq_dqb.dqb_curspace >= number) dquot->dq_dqb.dqb_curspace -= number; else dquot->dq_dqb.dqb_curspace = 0; - if (toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit) + if (dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit) dquot->dq_dqb.dqb_btime = (time_t) 0; clear_bit(DQ_BLKS_B, &dquot->dq_flags); } @@ -1023,10 +1093,11 @@ static inline char ignore_hardlimit(struct dquot *dquot) } /* needs dq_data_lock */ -static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) +static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (inodes <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) || + test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_ihardlimit && @@ -1058,11 +1129,12 @@ static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (space <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) || + test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_bhardlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bhardlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bhardlimit && !ignore_hardlimit(dquot)) { if (!prealloc) *warntype = QUOTA_NL_BHARDWARN; @@ -1070,7 +1142,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war } if (dquot->dq_dqb.dqb_bsoftlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit && dquot->dq_dqb.dqb_btime && get_seconds() >= dquot->dq_dqb.dqb_btime && !ignore_hardlimit(dquot)) { if (!prealloc) @@ -1079,7 +1151,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war } if (dquot->dq_dqb.dqb_bsoftlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit && dquot->dq_dqb.dqb_btime == 0) { if (!prealloc) { *warntype = QUOTA_NL_BSOFTWARN; @@ -1096,10 +1168,11 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war return QUOTA_OK; } -static int info_idq_free(struct dquot *dquot, ulong inodes) +static int info_idq_free(struct dquot *dquot, qsize_t inodes) { if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || - dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit) + dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit || + !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type)) return QUOTA_NL_NOWARN; if (dquot->dq_dqb.dqb_curinodes - inodes <= dquot->dq_dqb.dqb_isoftlimit) @@ -1113,15 +1186,13 @@ static int info_idq_free(struct dquot *dquot, ulong inodes) static int info_bdq_free(struct dquot *dquot, qsize_t space) { if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || - toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit) + dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit) return QUOTA_NL_NOWARN; - if (toqb(dquot->dq_dqb.dqb_curspace - space) <= - dquot->dq_dqb.dqb_bsoftlimit) + if (dquot->dq_dqb.dqb_curspace - space <= dquot->dq_dqb.dqb_bsoftlimit) return QUOTA_NL_BSOFTBELOW; - if (toqb(dquot->dq_dqb.dqb_curspace) >= dquot->dq_dqb.dqb_bhardlimit && - toqb(dquot->dq_dqb.dqb_curspace - space) < - dquot->dq_dqb.dqb_bhardlimit) + if (dquot->dq_dqb.dqb_curspace >= dquot->dq_dqb.dqb_bhardlimit && + dquot->dq_dqb.dqb_curspace - space < dquot->dq_dqb.dqb_bhardlimit) return QUOTA_NL_BHARDBELOW; return QUOTA_NL_NOWARN; } @@ -1166,17 +1237,23 @@ out_err: * Release all quotas referenced by inode * Transaction must be started at an entry */ -int dquot_drop(struct inode *inode) +int dquot_drop_locked(struct inode *inode) { int cnt; - down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (inode->i_dquot[cnt] != NODQUOT) { dqput(inode->i_dquot[cnt]); inode->i_dquot[cnt] = NODQUOT; } } + return 0; +} + +int dquot_drop(struct inode *inode) +{ + down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + dquot_drop_locked(inode); up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); return 0; } @@ -1264,7 +1341,7 @@ warn_put_all: /* * This operation can block, but only after everything is updated */ -int dquot_alloc_inode(const struct inode *inode, unsigned long number) +int dquot_alloc_inode(const struct inode *inode, qsize_t number) { int cnt, ret = NO_QUOTA; char warntype[MAXQUOTAS]; @@ -1349,7 +1426,7 @@ out_sub: /* * This operation can block, but only after everything is updated */ -int dquot_free_inode(const struct inode *inode, unsigned long number) +int dquot_free_inode(const struct inode *inode, qsize_t number) { unsigned int cnt; char warntype[MAXQUOTAS]; @@ -1495,7 +1572,7 @@ warn_put_all: /* Wrapper for transferring ownership of an inode */ int vfs_dq_transfer(struct inode *inode, struct iattr *iattr) { - if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) { + if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) { vfs_dq_init(inode); if (inode->i_sb->dq_op->transfer(inode, iattr) == NO_QUOTA) return 1; @@ -1533,54 +1610,27 @@ struct dquot_operations dquot_operations = { .acquire_dquot = dquot_acquire, .release_dquot = dquot_release, .mark_dirty = dquot_mark_dquot_dirty, - .write_info = dquot_commit_info + .write_info = dquot_commit_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; -static inline void set_enable_flags(struct quota_info *dqopt, int type) -{ - switch (type) { - case USRQUOTA: - dqopt->flags |= DQUOT_USR_ENABLED; - dqopt->flags &= ~DQUOT_USR_SUSPENDED; - break; - case GRPQUOTA: - dqopt->flags |= DQUOT_GRP_ENABLED; - dqopt->flags &= ~DQUOT_GRP_SUSPENDED; - break; - } -} - -static inline void reset_enable_flags(struct quota_info *dqopt, int type, - int remount) -{ - switch (type) { - case USRQUOTA: - dqopt->flags &= ~DQUOT_USR_ENABLED; - if (remount) - dqopt->flags |= DQUOT_USR_SUSPENDED; - else - dqopt->flags &= ~DQUOT_USR_SUSPENDED; - break; - case GRPQUOTA: - dqopt->flags &= ~DQUOT_GRP_ENABLED; - if (remount) - dqopt->flags |= DQUOT_GRP_SUSPENDED; - else - dqopt->flags &= ~DQUOT_GRP_SUSPENDED; - break; - } -} - - /* * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount) */ -int vfs_quota_off(struct super_block *sb, int type, int remount) +int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) { int cnt, ret = 0; struct quota_info *dqopt = sb_dqopt(sb); struct inode *toputinode[MAXQUOTAS]; + /* Cannot turn off usage accounting without turning off limits, or + * suspend quotas and simultaneously turn quotas off. */ + if ((flags & DQUOT_USAGE_ENABLED && !(flags & DQUOT_LIMITS_ENABLED)) + || (flags & DQUOT_SUSPENDED && flags & (DQUOT_LIMITS_ENABLED | + DQUOT_USAGE_ENABLED))) + return -EINVAL; + /* We need to serialize quota_off() for device */ mutex_lock(&dqopt->dqonoff_mutex); @@ -1589,7 +1639,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) * sometimes we are called when fill_super() failed and calling * sync_fs() in such cases does no good. */ - if (!sb_any_quota_enabled(sb) && !sb_any_quota_suspended(sb)) { + if (!sb_any_quota_loaded(sb)) { mutex_unlock(&dqopt->dqonoff_mutex); return 0; } @@ -1597,17 +1647,28 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) toputinode[cnt] = NULL; if (type != -1 && cnt != type) continue; - /* If we keep inodes of quota files after remount and quotaoff - * is called, drop kept inodes. */ - if (!remount && sb_has_quota_suspended(sb, cnt)) { - iput(dqopt->files[cnt]); - dqopt->files[cnt] = NULL; - reset_enable_flags(dqopt, cnt, 0); + if (!sb_has_quota_loaded(sb, cnt)) continue; + + if (flags & DQUOT_SUSPENDED) { + dqopt->flags |= + dquot_state_flag(DQUOT_SUSPENDED, cnt); + } else { + dqopt->flags &= ~dquot_state_flag(flags, cnt); + /* Turning off suspended quotas? */ + if (!sb_has_quota_loaded(sb, cnt) && + sb_has_quota_suspended(sb, cnt)) { + dqopt->flags &= ~dquot_state_flag( + DQUOT_SUSPENDED, cnt); + iput(dqopt->files[cnt]); + dqopt->files[cnt] = NULL; + continue; + } } - if (!sb_has_quota_enabled(sb, cnt)) + + /* We still have to keep quota loaded? */ + if (sb_has_quota_loaded(sb, cnt) && !(flags & DQUOT_SUSPENDED)) continue; - reset_enable_flags(dqopt, cnt, remount); /* Note: these are blocking operations */ drop_dquot_ref(sb, cnt); @@ -1623,7 +1684,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) put_quota_format(dqopt->info[cnt].dqi_format); toputinode[cnt] = dqopt->files[cnt]; - if (!remount) + if (!sb_has_quota_loaded(sb, cnt)) dqopt->files[cnt] = NULL; dqopt->info[cnt].dqi_flags = 0; dqopt->info[cnt].dqi_igrace = 0; @@ -1631,6 +1692,11 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) dqopt->ops[cnt] = NULL; } mutex_unlock(&dqopt->dqonoff_mutex); + + /* Skip syncing and setting flags if quota files are hidden */ + if (dqopt->flags & DQUOT_QUOTA_SYS_FILE) + goto put_inodes; + /* Sync the superblock so that buffers with quota data are written to * disk (and so userspace sees correct data afterwards). */ if (sb->s_op->sync_fs) @@ -1646,7 +1712,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) mutex_lock(&dqopt->dqonoff_mutex); /* If quota was reenabled in the meantime, we have * nothing to do */ - if (!sb_has_quota_enabled(sb, cnt)) { + if (!sb_has_quota_loaded(sb, cnt)) { mutex_lock_nested(&toputinode[cnt]->i_mutex, I_MUTEX_QUOTA); toputinode[cnt]->i_flags &= ~(S_IMMUTABLE | S_NOATIME | S_NOQUOTA); @@ -1655,26 +1721,43 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) mark_inode_dirty(toputinode[cnt]); } mutex_unlock(&dqopt->dqonoff_mutex); + } + if (sb->s_bdev) + invalidate_bdev(sb->s_bdev); +put_inodes: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (toputinode[cnt]) { /* On remount RO, we keep the inode pointer so that we - * can reenable quota on the subsequent remount RW. - * But we have better not keep inode pointer when there - * is pending delete on the quota file... */ - if (!remount) + * can reenable quota on the subsequent remount RW. We + * have to check 'flags' variable and not use sb_has_ + * function because another quotaon / quotaoff could + * change global state before we got here. We refuse + * to suspend quotas when there is pending delete on + * the quota file... */ + if (!(flags & DQUOT_SUSPENDED)) iput(toputinode[cnt]); else if (!toputinode[cnt]->i_nlink) ret = -EBUSY; } - if (sb->s_bdev) - invalidate_bdev(sb->s_bdev); return ret; } +int vfs_quota_off(struct super_block *sb, int type, int remount) +{ + return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED : + (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED)); +} + /* * Turn quotas on on a device */ -/* Helper function when we already have the inode */ -static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) +/* + * Helper function to turn quotas on when we already have the inode of + * quota file and no quota information is loaded. + */ +static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, + unsigned int flags) { struct quota_format_type *fmt = find_quota_format(format_id); struct super_block *sb = inode->i_sb; @@ -1696,27 +1779,37 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) error = -EINVAL; goto out_fmt; } + /* Usage always has to be set... */ + if (!(flags & DQUOT_USAGE_ENABLED)) { + error = -EINVAL; + goto out_fmt; + } - /* As we bypass the pagecache we must now flush the inode so that - * we see all the changes from userspace... */ - write_inode_now(inode, 1); - /* And now flush the block cache so that kernel sees the changes */ - invalidate_bdev(sb->s_bdev); + if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) { + /* As we bypass the pagecache we must now flush the inode so + * that we see all the changes from userspace... */ + write_inode_now(inode, 1); + /* And now flush the block cache so that kernel sees the + * changes */ + invalidate_bdev(sb->s_bdev); + } mutex_lock(&inode->i_mutex); mutex_lock(&dqopt->dqonoff_mutex); - if (sb_has_quota_enabled(sb, type) || - sb_has_quota_suspended(sb, type)) { + if (sb_has_quota_loaded(sb, type)) { error = -EBUSY; goto out_lock; } - /* We don't want quota and atime on quota files (deadlocks possible) - * Also nobody should write to the file - we use special IO operations - * which ignore the immutable bit. */ - down_write(&dqopt->dqptr_sem); - oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA); - inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE; - up_write(&dqopt->dqptr_sem); - sb->dq_op->drop(inode); + + if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) { + /* We don't want quota and atime on quota files (deadlocks + * possible) Also nobody should write to the file - we use + * special IO operations which ignore the immutable bit. */ + down_write(&dqopt->dqptr_sem); + oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA); + inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE; + up_write(&dqopt->dqptr_sem); + sb->dq_op->drop(inode); + } error = -EIO; dqopt->files[type] = igrab(inode); @@ -1737,7 +1830,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) } mutex_unlock(&dqopt->dqio_mutex); mutex_unlock(&inode->i_mutex); - set_enable_flags(dqopt, type); + dqopt->flags |= dquot_state_flag(flags, type); add_dquot_ref(sb, type); mutex_unlock(&dqopt->dqonoff_mutex); @@ -1770,20 +1863,23 @@ static int vfs_quota_on_remount(struct super_block *sb, int type) struct quota_info *dqopt = sb_dqopt(sb); struct inode *inode; int ret; + unsigned int flags; mutex_lock(&dqopt->dqonoff_mutex); if (!sb_has_quota_suspended(sb, type)) { mutex_unlock(&dqopt->dqonoff_mutex); return 0; } - BUG_ON(sb_has_quota_enabled(sb, type)); - inode = dqopt->files[type]; dqopt->files[type] = NULL; - reset_enable_flags(dqopt, type, 0); + flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED, type); + dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, type); mutex_unlock(&dqopt->dqonoff_mutex); - ret = vfs_quota_on_inode(inode, type, dqopt->info[type].dqi_fmt_id); + flags = dquot_generic_flag(flags, type); + ret = vfs_load_quota_inode(inode, type, dqopt->info[type].dqi_fmt_id, + flags); iput(inode); return ret; @@ -1799,12 +1895,12 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id, if (path->mnt->mnt_sb != sb) error = -EXDEV; else - error = vfs_quota_on_inode(path->dentry->d_inode, type, - format_id); + error = vfs_load_quota_inode(path->dentry->d_inode, type, + format_id, DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); return error; } -/* Actual function called from quotactl() */ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name, int remount) { @@ -1823,6 +1919,50 @@ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name, } /* + * More powerful function for turning on quotas allowing setting + * of individual quota flags + */ +int vfs_quota_enable(struct inode *inode, int type, int format_id, + unsigned int flags) +{ + int ret = 0; + struct super_block *sb = inode->i_sb; + struct quota_info *dqopt = sb_dqopt(sb); + + /* Just unsuspend quotas? */ + if (flags & DQUOT_SUSPENDED) + return vfs_quota_on_remount(sb, type); + if (!flags) + return 0; + /* Just updating flags needed? */ + if (sb_has_quota_loaded(sb, type)) { + mutex_lock(&dqopt->dqonoff_mutex); + /* Now do a reliable test... */ + if (!sb_has_quota_loaded(sb, type)) { + mutex_unlock(&dqopt->dqonoff_mutex); + goto load_quota; + } + if (flags & DQUOT_USAGE_ENABLED && + sb_has_quota_usage_enabled(sb, type)) { + ret = -EBUSY; + goto out_lock; + } + if (flags & DQUOT_LIMITS_ENABLED && + sb_has_quota_limits_enabled(sb, type)) { + ret = -EBUSY; + goto out_lock; + } + sb_dqopt(sb)->flags |= dquot_state_flag(flags, type); +out_lock: + mutex_unlock(&dqopt->dqonoff_mutex); + return ret; + } + +load_quota: + return vfs_load_quota_inode(inode, type, format_id, flags); +} + +/* * This function is used when filesystem needs to initialize quotas * during mount time. */ @@ -1843,7 +1983,8 @@ int vfs_quota_on_mount(struct super_block *sb, char *qf_name, error = security_quota_on(dentry); if (!error) - error = vfs_quota_on_inode(dentry->d_inode, type, format_id); + error = vfs_load_quota_inode(dentry->d_inode, type, format_id, + DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); out: dput(dentry); @@ -1866,14 +2007,24 @@ int vfs_dq_quota_on_remount(struct super_block *sb) return ret; } +static inline qsize_t qbtos(qsize_t blocks) +{ + return blocks << QIF_DQBLKSIZE_BITS; +} + +static inline qsize_t stoqb(qsize_t space) +{ + return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS; +} + /* Generic routine for getting common part of quota structure */ static void do_get_dqblk(struct dquot *dquot, struct if_dqblk *di) { struct mem_dqblk *dm = &dquot->dq_dqb; spin_lock(&dq_data_lock); - di->dqb_bhardlimit = dm->dqb_bhardlimit; - di->dqb_bsoftlimit = dm->dqb_bsoftlimit; + di->dqb_bhardlimit = stoqb(dm->dqb_bhardlimit); + di->dqb_bsoftlimit = stoqb(dm->dqb_bsoftlimit); di->dqb_curspace = dm->dqb_curspace; di->dqb_ihardlimit = dm->dqb_ihardlimit; di->dqb_isoftlimit = dm->dqb_isoftlimit; @@ -1918,28 +2069,36 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di) if (di->dqb_valid & QIF_SPACE) { dm->dqb_curspace = di->dqb_curspace; check_blim = 1; + __set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_BLIMITS) { - dm->dqb_bsoftlimit = di->dqb_bsoftlimit; - dm->dqb_bhardlimit = di->dqb_bhardlimit; + dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit); + dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit); check_blim = 1; + __set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_INODES) { dm->dqb_curinodes = di->dqb_curinodes; check_ilim = 1; + __set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_ILIMITS) { dm->dqb_isoftlimit = di->dqb_isoftlimit; dm->dqb_ihardlimit = di->dqb_ihardlimit; check_ilim = 1; + __set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); } - if (di->dqb_valid & QIF_BTIME) + if (di->dqb_valid & QIF_BTIME) { dm->dqb_btime = di->dqb_btime; - if (di->dqb_valid & QIF_ITIME) + __set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); + } + if (di->dqb_valid & QIF_ITIME) { dm->dqb_itime = di->dqb_itime; + __set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); + } if (check_blim) { - if (!dm->dqb_bsoftlimit || toqb(dm->dqb_curspace) < dm->dqb_bsoftlimit) { + if (!dm->dqb_bsoftlimit || dm->dqb_curspace < dm->dqb_bsoftlimit) { dm->dqb_btime = 0; clear_bit(DQ_BLKS_B, &dquot->dq_flags); } @@ -1970,12 +2129,14 @@ int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *d int rc; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!(dquot = dqget(sb, id, type))) { - mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return -ESRCH; + dquot = dqget(sb, id, type); + if (!dquot) { + rc = -ESRCH; + goto out; } rc = do_set_dqblk(dquot, di); dqput(dquot); +out: mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return rc; } @@ -1986,7 +2147,7 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) struct mem_dqinfo *mi; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!sb_has_quota_enabled(sb, type)) { + if (!sb_has_quota_active(sb, type)) { mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return -ESRCH; } @@ -2005,11 +2166,12 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) { struct mem_dqinfo *mi; + int err = 0; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!sb_has_quota_enabled(sb, type)) { - mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return -ESRCH; + if (!sb_has_quota_active(sb, type)) { + err = -ESRCH; + goto out; } mi = sb_dqopt(sb)->info + type; spin_lock(&dq_data_lock); @@ -2023,8 +2185,9 @@ int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) mark_info_dirty(sb, type); /* Force write to disk */ sb->dq_op->write_info(sb, type); +out: mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return 0; + return err; } struct quotactl_ops vfs_quotactl_ops = { @@ -2186,10 +2349,13 @@ EXPORT_SYMBOL(register_quota_format); EXPORT_SYMBOL(unregister_quota_format); EXPORT_SYMBOL(dqstats); EXPORT_SYMBOL(dq_data_lock); +EXPORT_SYMBOL(vfs_quota_enable); EXPORT_SYMBOL(vfs_quota_on); EXPORT_SYMBOL(vfs_quota_on_path); EXPORT_SYMBOL(vfs_quota_on_mount); +EXPORT_SYMBOL(vfs_quota_disable); EXPORT_SYMBOL(vfs_quota_off); +EXPORT_SYMBOL(dquot_scan_active); EXPORT_SYMBOL(vfs_quota_sync); EXPORT_SYMBOL(vfs_get_dqinfo); EXPORT_SYMBOL(vfs_set_dqinfo); @@ -2202,7 +2368,11 @@ EXPORT_SYMBOL(dquot_release); EXPORT_SYMBOL(dquot_mark_dquot_dirty); EXPORT_SYMBOL(dquot_initialize); EXPORT_SYMBOL(dquot_drop); +EXPORT_SYMBOL(dquot_drop_locked); EXPORT_SYMBOL(vfs_dq_drop); +EXPORT_SYMBOL(dqget); +EXPORT_SYMBOL(dqput); +EXPORT_SYMBOL(dquot_is_cached); EXPORT_SYMBOL(dquot_alloc_space); EXPORT_SYMBOL(dquot_alloc_inode); EXPORT_SYMBOL(dquot_free_space); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index eb3dc4c7ac0..71383437122 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -275,18 +275,9 @@ static int ecryptfs_release(struct inode *inode, struct file *file) static int ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync) { - struct file *lower_file = ecryptfs_file_to_lower(file); - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - struct inode *lower_inode = lower_dentry->d_inode; - int rc = -EINVAL; - - if (lower_inode->i_fop->fsync) { - mutex_lock(&lower_inode->i_mutex); - rc = lower_inode->i_fop->fsync(lower_file, lower_dentry, - datasync); - mutex_unlock(&lower_inode->i_mutex); - } - return rc; + return vfs_fsync(ecryptfs_file_to_lower(file), + ecryptfs_dentry_to_lower(dentry), + datasync); } static int ecryptfs_fasync(int fd, struct file *file, int flag) diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 5e78fc17988..0111906a887 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -612,8 +612,7 @@ ecryptfs_readlink(struct dentry *dentry, char __user * buf, int bufsiz) struct ecryptfs_crypt_stat *crypt_stat; lower_dentry = ecryptfs_dentry_to_lower(dentry); - if (!lower_dentry->d_inode->i_op || - !lower_dentry->d_inode->i_op->readlink) { + if (!lower_dentry->d_inode->i_op->readlink) { rc = -EINVAL; goto out; } diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 04d7b3fa1ac..46cec2b6979 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -288,7 +288,7 @@ static int ecryptfs_write_begin(struct file *file, loff_t prev_page_end_size; int rc = 0; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/exec.c b/fs/exec.c index 3ef9cf9b187..9c33f542dc7 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -51,6 +51,7 @@ #include <linux/audit.h> #include <linux/tracehook.h> #include <linux/kmod.h> +#include <linux/fsnotify.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> @@ -132,6 +133,8 @@ asmlinkage long sys_uselib(const char __user * library) if (IS_ERR(file)) goto out; + fsnotify_open(file->f_path.dentry); + error = -ENOEXEC; if(file->f_op) { struct linux_binfmt * fmt; @@ -684,6 +687,8 @@ struct file *open_exec(const char *name) if (IS_ERR(file)) return file; + fsnotify_open(file->f_path.dentry); + err = deny_write_access(file); if (err) { fput(file); diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index c4bdccf976b..5fa453b49a6 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1161,7 +1161,7 @@ static int ext3_write_begin(struct file *file, struct address_space *mapping, to = from + len; retry: - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 297ea8dfac7..1dd2abe6313 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -2175,8 +2175,7 @@ retry: * We have a transaction open. All is sweetness. It also sets * i_size in generic_commit_write(). */ - err = __page_symlink(inode, symname, l, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + err = __page_symlink(inode, symname, l, 1); if (err) { drop_nlink(inode); unlock_new_inode(inode); diff --git a/fs/ext3/super.c b/fs/ext3/super.c index f6c94f232ec..c22d01467bd 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -713,7 +713,9 @@ static struct dquot_operations ext3_quota_operations = { .acquire_dquot = ext3_acquire_dquot, .release_dquot = ext3_release_dquot, .mark_dirty = ext3_mark_dquot_dirty, - .write_info = ext3_write_info + .write_info = ext3_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops ext3_qctl_operations = { @@ -1035,8 +1037,7 @@ static int parse_options (char *options, struct super_block *sb, case Opt_grpjquota: qtype = GRPQUOTA; set_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && !sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT3-fs: Cannot change journaled " @@ -1075,8 +1076,7 @@ set_qf_name: case Opt_offgrpjquota: qtype = GRPQUOTA; clear_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT3-fs: Cannot change " "journaled quota options when " @@ -1095,8 +1095,7 @@ clear_qf_name: case Opt_jqfmt_vfsv0: qfmt = QFMT_VFS_V0; set_qf_format: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_jquota_fmt != qfmt) { printk(KERN_ERR "EXT3-fs: Cannot change " "journaled quota options when " @@ -1115,8 +1114,7 @@ set_qf_format: set_opt(sbi->s_mount_opt, GRPQUOTA); break; case Opt_noquota: - if (sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) { + if (sb_any_quota_loaded(sb)) { printk(KERN_ERR "EXT3-fs: Cannot change quota " "options when quota turned on.\n"); return 0; diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h index 445fde603df..b21f16713db 100644 --- a/fs/ext4/ext4_sb.h +++ b/fs/ext4/ext4_sb.h @@ -146,4 +146,10 @@ struct ext4_sb_info { struct flex_groups *s_flex_groups; }; +static inline spinlock_t * +sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _EXT4_SB */ diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 7c3325e0b00..6702a49992a 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1346,7 +1346,7 @@ retry: goto out; } - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { ext4_journal_stop(handle); ret = -ENOMEM; @@ -2550,7 +2550,7 @@ retry: goto out; } - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { ext4_journal_stop(handle); ret = -ENOMEM; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index da98a9012fa..9fd2a5e1be4 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2212,8 +2212,7 @@ retry: * We have a transaction open. All is sweetness. It also sets * i_size in generic_commit_write(). */ - err = __page_symlink(inode, symname, l, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + err = __page_symlink(inode, symname, l, 1); if (err) { clear_nlink(inode); unlock_new_inode(inode); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 04158ad74db..9494bb24939 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -803,7 +803,9 @@ static struct dquot_operations ext4_quota_operations = { .acquire_dquot = ext4_acquire_dquot, .release_dquot = ext4_release_dquot, .mark_dirty = ext4_mark_dquot_dirty, - .write_info = ext4_write_info + .write_info = ext4_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops ext4_qctl_operations = { @@ -1142,8 +1144,7 @@ static int parse_options(char *options, struct super_block *sb, case Opt_grpjquota: qtype = GRPQUOTA; set_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && !sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT4-fs: Cannot change journaled " @@ -1182,8 +1183,7 @@ set_qf_name: case Opt_offgrpjquota: qtype = GRPQUOTA; clear_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT4-fs: Cannot change " "journaled quota options when " @@ -1202,8 +1202,7 @@ clear_qf_name: case Opt_jqfmt_vfsv0: qfmt = QFMT_VFS_V0; set_qf_format: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_jquota_fmt != qfmt) { printk(KERN_ERR "EXT4-fs: Cannot change " "journaled quota options when " @@ -1222,7 +1221,7 @@ set_qf_format: set_opt(sbi->s_mount_opt, GRPQUOTA); break; case Opt_noquota: - if (sb_any_quota_enabled(sb)) { + if (sb_any_quota_loaded(sb)) { printk(KERN_ERR "EXT4-fs: Cannot change quota " "options when quota turned on.\n"); return 0; diff --git a/fs/filesystems.c b/fs/filesystems.c index d0e20ced62d..d488dcd7f2b 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -253,24 +253,27 @@ static int __init proc_filesystems_init(void) module_init(proc_filesystems_init); #endif -struct file_system_type *get_fs_type(const char *name) +static struct file_system_type *__get_fs_type(const char *name, int len) { struct file_system_type *fs; - const char *dot = strchr(name, '.'); - unsigned len = dot ? dot - name : strlen(name); read_lock(&file_systems_lock); fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); - if (!fs && (request_module("%.*s", len, name) == 0)) { - read_lock(&file_systems_lock); - fs = *(find_filesystem(name, len)); - if (fs && !try_module_get(fs->owner)) - fs = NULL; - read_unlock(&file_systems_lock); - } + return fs; +} + +struct file_system_type *get_fs_type(const char *name) +{ + struct file_system_type *fs; + const char *dot = strchr(name, '.'); + int len = dot ? dot - name : strlen(name); + + fs = __get_fs_type(name, len); + if (!fs && (request_module("%.*s", len, name) == 0)) + fs = __get_fs_type(name, len); if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { put_filesystem(fs); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 34930a964b8..4c9ee701126 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -646,7 +646,7 @@ static int fuse_write_begin(struct file *file, struct address_space *mapping, { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; @@ -779,7 +779,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, break; err = -ENOMEM; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, 0); if (!page) break; diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile index ec65851ec80..c1b4ec6a965 100644 --- a/fs/gfs2/Makefile +++ b/fs/gfs2/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_GFS2_FS) += gfs2.o -gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \ +gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \ glops.o inode.o log.o lops.o locking.o main.o meta_io.o \ mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \ ops_fstype.o ops_inode.o ops_super.o quota.o \ diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 3e9bd46f27e..e335dceb6a4 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -91,7 +91,7 @@ static int acl_get(struct gfs2_inode *ip, int access, struct posix_acl **acl, struct gfs2_ea_location el_this; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return 0; memset(&er, 0, sizeof(struct gfs2_ea_request)); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index bec76b1c2bb..11ffc56f1f8 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -75,9 +75,9 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh, void *kaddr = kmap(page); memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), - ip->i_di.di_size); - memset(kaddr + ip->i_di.di_size, 0, - PAGE_CACHE_SIZE - ip->i_di.di_size); + ip->i_disksize); + memset(kaddr + ip->i_disksize, 0, + PAGE_CACHE_SIZE - ip->i_disksize); kunmap(page); SetPageUptodate(page); @@ -132,7 +132,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) if (error) goto out; - if (ip->i_di.di_size) { + if (ip->i_disksize) { /* Get a free block, fill it with the stuffed data, and write it out to disk */ @@ -159,7 +159,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) di = (struct gfs2_dinode *)dibh->b_data; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); - if (ip->i_di.di_size) { + if (ip->i_disksize) { *(__be64 *)(di + 1) = cpu_to_be64(block); gfs2_add_inode_blocks(&ip->i_inode, 1); di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); @@ -926,7 +926,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size) } } - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); @@ -1033,7 +1033,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) goto out; if (gfs2_is_stuffed(ip)) { - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); @@ -1045,9 +1045,9 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) error = gfs2_block_truncate_page(ip->i_inode.i_mapping); if (!error) { - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; - ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG; + ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); } @@ -1114,13 +1114,13 @@ static int trunc_end(struct gfs2_inode *ip) if (error) goto out; - if (!ip->i_di.di_size) { + if (!ip->i_disksize) { ip->i_height = 0; ip->i_goal = ip->i_no_addr; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); } ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; - ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG; + ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); @@ -1205,9 +1205,9 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size) if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode))) return -EINVAL; - if (size > ip->i_di.di_size) + if (size > ip->i_disksize) error = do_grow(ip, size); - else if (size < ip->i_di.di_size) + else if (size < ip->i_disksize) error = do_shrink(ip, size); else /* update time stamps */ @@ -1219,7 +1219,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size) int gfs2_truncatei_resume(struct gfs2_inode *ip) { int error; - error = trunc_dealloc(ip, ip->i_di.di_size); + error = trunc_dealloc(ip, ip->i_disksize); if (!error) error = trunc_end(ip); return error; @@ -1231,35 +1231,6 @@ int gfs2_file_dealloc(struct gfs2_inode *ip) } /** - * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file - * @ip: the file - * @len: the number of bytes to be written to the file - * @data_blocks: returns the number of data blocks required - * @ind_blocks: returns the number of indirect blocks required - * - */ - -void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len, - unsigned int *data_blocks, unsigned int *ind_blocks) -{ - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - unsigned int tmp; - - if (gfs2_is_dir(ip)) { - *data_blocks = DIV_ROUND_UP(len, sdp->sd_jbsize) + 2; - *ind_blocks = 3 * (sdp->sd_max_jheight - 1); - } else { - *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3; - *ind_blocks = 3 * (sdp->sd_max_height - 1); - } - - for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) { - tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs); - *ind_blocks += tmp; - } -} - -/** * gfs2_write_alloc_required - figure out if a write will require an allocation * @ip: the file being written to * @offset: the offset to write to @@ -1276,6 +1247,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, struct buffer_head bh; unsigned int shift; u64 lblock, lblock_stop, size; + u64 end_of_file; *alloc_required = 0; @@ -1291,19 +1263,12 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, *alloc_required = 1; shift = sdp->sd_sb.sb_bsize_shift; - if (gfs2_is_dir(ip)) { - unsigned int bsize = sdp->sd_jbsize; - lblock = offset; - do_div(lblock, bsize); - lblock_stop = offset + len + bsize - 1; - do_div(lblock_stop, bsize); - } else { - u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift; - lblock = offset >> shift; - lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; - if (lblock_stop > end_of_file) - return 0; - } + BUG_ON(gfs2_is_dir(ip)); + end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift; + lblock = offset >> shift; + lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; + if (lblock_stop > end_of_file) + return 0; size = (lblock_stop - lblock) << shift; do { diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h index 4e6cde2943b..c983177e05a 100644 --- a/fs/gfs2/bmap.h +++ b/fs/gfs2/bmap.h @@ -10,10 +10,40 @@ #ifndef __BMAP_DOT_H__ #define __BMAP_DOT_H__ +#include "inode.h" + struct inode; struct gfs2_inode; struct page; + +/** + * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file + * @ip: the file + * @len: the number of bytes to be written to the file + * @data_blocks: returns the number of data blocks required + * @ind_blocks: returns the number of indirect blocks required + * + */ + +static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip, + unsigned int len, + unsigned int *data_blocks, + unsigned int *ind_blocks) +{ + const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + unsigned int tmp; + + BUG_ON(gfs2_is_dir(ip)); + *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3; + *ind_blocks = 3 * (sdp->sd_max_height - 1); + + for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) { + tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs); + *ind_blocks += tmp; + } +} + int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page); int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create); int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen); @@ -21,10 +51,6 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi int gfs2_truncatei(struct gfs2_inode *ip, u64 size); int gfs2_truncatei_resume(struct gfs2_inode *ip); int gfs2_file_dealloc(struct gfs2_inode *ip); - -void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len, - unsigned int *data_blocks, - unsigned int *ind_blocks); int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, unsigned int len, int *alloc_required); diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c deleted file mode 100644 index e51991947d2..00000000000 --- a/fs/gfs2/daemon.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/buffer_head.h> -#include <linux/kthread.h> -#include <linux/delay.h> -#include <linux/gfs2_ondisk.h> -#include <linux/lm_interface.h> -#include <linux/freezer.h> - -#include "gfs2.h" -#include "incore.h" -#include "daemon.h" -#include "glock.h" -#include "log.h" -#include "quota.h" -#include "recovery.h" -#include "super.h" -#include "util.h" - -/* This uses schedule_timeout() instead of msleep() because it's good for - the daemons to wake up more often than the timeout when unmounting so - the user's unmount doesn't sit there forever. - - The kthread functions used to start these daemons block and flush signals. */ - -/** - * gfs2_glockd - Reclaim unused glock structures - * @sdp: Pointer to GFS2 superblock - * - * One or more of these daemons run, reclaiming glocks on sd_reclaim_list. - * Number of daemons can be set by user, with num_glockd mount option. - */ - -int gfs2_glockd(void *data) -{ - struct gfs2_sbd *sdp = data; - - while (!kthread_should_stop()) { - while (atomic_read(&sdp->sd_reclaim_count)) - gfs2_reclaim_glock(sdp); - - wait_event_interruptible(sdp->sd_reclaim_wq, - (atomic_read(&sdp->sd_reclaim_count) || - kthread_should_stop())); - if (freezing(current)) - refrigerator(); - } - - return 0; -} - -/** - * gfs2_recoverd - Recover dead machine's journals - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_recoverd(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - - while (!kthread_should_stop()) { - gfs2_check_journals(sdp); - t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - -/** - * gfs2_quotad - Write cached quota changes into the quota file - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_quotad(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - int error; - - while (!kthread_should_stop()) { - /* Update the master statfs file */ - - t = sdp->sd_statfs_sync_time + - gfs2_tune_get(sdp, gt_statfs_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_statfs_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (1) error=%d\n", error); - sdp->sd_statfs_sync_time = jiffies; - } - - /* Update quota file */ - - t = sdp->sd_quota_sync_time + - gfs2_tune_get(sdp, gt_quota_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_quota_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (2) error=%d\n", error); - sdp->sd_quota_sync_time = jiffies; - } - - gfs2_quota_scan(sdp); - - t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h deleted file mode 100644 index 4be084fb6a6..00000000000 --- a/fs/gfs2/daemon.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __DAEMON_DOT_H__ -#define __DAEMON_DOT_H__ - -int gfs2_glockd(void *data); -int gfs2_recoverd(void *data); -int gfs2_quotad(void *data); - -#endif /* __DAEMON_DOT_H__ */ diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index eed040d8ba3..b7c8e5c7079 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -36,7 +36,7 @@ * the block. In leaves, they begin at offset sizeof(struct gfs2_leaf) from the * beginning of the leaf block. The dirents reside in leaves when * - * dip->i_di.di_flags & GFS2_DIF_EXHASH is true + * dip->i_diskflags & GFS2_DIF_EXHASH is true * * Otherwise, the dirents are "linear", within a single stuffed dinode block. * @@ -128,8 +128,8 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf, gfs2_trans_add_bh(ip->i_gl, dibh, 1); memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size); - if (ip->i_di.di_size < offset + size) - ip->i_di.di_size = offset + size; + if (ip->i_disksize < offset + size) + ip->i_disksize = offset + size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(ip, dibh->b_data); @@ -226,8 +226,8 @@ out: if (error) return error; - if (ip->i_di.di_size < offset + copied) - ip->i_di.di_size = offset + copied; + if (ip->i_disksize < offset + copied) + ip->i_disksize = offset + copied; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); @@ -277,11 +277,11 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset, int copied = 0; int error = 0; - if (offset >= ip->i_di.di_size) + if (offset >= ip->i_disksize) return 0; - if (offset + size > ip->i_di.di_size) - size = ip->i_di.di_size - offset; + if (offset + size > ip->i_disksize) + size = ip->i_disksize - offset; if (!size) return 0; @@ -755,12 +755,12 @@ static struct gfs2_dirent *gfs2_dirent_search(struct inode *inode, struct gfs2_inode *ip = GFS2_I(inode); int error; - if (ip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (ip->i_diskflags & GFS2_DIF_EXHASH) { struct gfs2_leaf *leaf; unsigned hsize = 1 << ip->i_depth; unsigned index; u64 ln; - if (hsize * sizeof(u64) != ip->i_di.di_size) { + if (hsize * sizeof(u64) != ip->i_disksize) { gfs2_consist_inode(ip); return ERR_PTR(-EIO); } @@ -858,8 +858,8 @@ static int dir_make_exhash(struct inode *inode) return -ENOSPC; bn = bh->b_blocknr; - gfs2_assert(sdp, dip->i_di.di_entries < (1 << 16)); - leaf->lf_entries = cpu_to_be16(dip->i_di.di_entries); + gfs2_assert(sdp, dip->i_entries < (1 << 16)); + leaf->lf_entries = cpu_to_be16(dip->i_entries); /* Copy dirents */ @@ -905,9 +905,9 @@ static int dir_make_exhash(struct inode *inode) for (x = sdp->sd_hash_ptrs; x--; lp++) *lp = cpu_to_be64(bn); - dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2; + dip->i_disksize = sdp->sd_sb.sb_bsize / 2; gfs2_add_inode_blocks(&dip->i_inode, 1); - dip->i_di.di_flags |= GFS2_DIF_EXHASH; + dip->i_diskflags |= GFS2_DIF_EXHASH; for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ; dip->i_depth = y; @@ -1082,7 +1082,7 @@ static int dir_double_exhash(struct gfs2_inode *dip) int error = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } @@ -1091,7 +1091,7 @@ static int dir_double_exhash(struct gfs2_inode *dip) buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL); - for (block = dip->i_di.di_size >> sdp->sd_hash_bsize_shift; block--;) { + for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) { error = gfs2_dir_read_data(dip, (char *)buf, block * sdp->sd_hash_bsize, sdp->sd_hash_bsize, 1); @@ -1370,7 +1370,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, unsigned depth = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } @@ -1426,10 +1426,10 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, int copied = 0; int error; - if (!dip->i_di.di_entries) + if (!dip->i_entries) return 0; - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) + if (dip->i_diskflags & GFS2_DIF_EXHASH) return dir_e_read(inode, offset, opaque, filldir); if (!gfs2_is_stuffed(dip)) { @@ -1453,17 +1453,17 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, error = PTR_ERR(dent); goto out; } - if (dip->i_di.di_entries != g.offset) { + if (dip->i_entries != g.offset) { fs_warn(sdp, "Number of entries corrupt in dir %llu, " - "ip->i_di.di_entries (%u) != g.offset (%u)\n", + "ip->i_entries (%u) != g.offset (%u)\n", (unsigned long long)dip->i_no_addr, - dip->i_di.di_entries, + dip->i_entries, g.offset); error = -EIO; goto out; } error = do_filldir_main(dip, offset, opaque, filldir, darr, - dip->i_di.di_entries, &copied); + dip->i_entries, &copied); out: kfree(darr); } @@ -1612,7 +1612,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, dent = gfs2_init_dirent(inode, dent, name, bh); gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(type); - if (ip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (ip->i_diskflags & GFS2_DIF_EXHASH) { leaf = (struct gfs2_leaf *)bh->b_data; be16_add_cpu(&leaf->lf_entries, 1); } @@ -1621,14 +1621,14 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, if (error) break; gfs2_trans_add_bh(ip->i_gl, bh, 1); - ip->i_di.di_entries++; + ip->i_entries++; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(ip, bh->b_data); brelse(bh); error = 0; break; } - if (!(ip->i_di.di_flags & GFS2_DIF_EXHASH)) { + if (!(ip->i_diskflags & GFS2_DIF_EXHASH)) { error = dir_make_exhash(inode); if (error) break; @@ -1691,7 +1691,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) } dirent_del(dip, bh, prev, dent); - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (dip->i_diskflags & GFS2_DIF_EXHASH) { struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data; u16 entries = be16_to_cpu(leaf->lf_entries); if (!entries) @@ -1704,10 +1704,10 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) if (error) return error; - if (!dip->i_di.di_entries) + if (!dip->i_entries) gfs2_consist_inode(dip); gfs2_trans_add_bh(dip->i_gl, bh, 1); - dip->i_di.di_entries--; + dip->i_entries--; dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(dip, bh->b_data); brelse(bh); @@ -1748,7 +1748,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(new_type); - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (dip->i_diskflags & GFS2_DIF_EXHASH) { brelse(bh); error = gfs2_meta_inode_buffer(dip, &bh); if (error) @@ -1784,7 +1784,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data) int error = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index 8a468cac932..4f919440c3b 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -11,6 +11,7 @@ #define __DIR_DOT_H__ #include <linux/dcache.h> +#include <linux/crc32.h> struct inode; struct gfs2_inode; diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c index e3f76f451b0..0d1c76d906a 100644 --- a/fs/gfs2/eattr.c +++ b/fs/gfs2/eattr.c @@ -114,11 +114,11 @@ static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data) __be64 *eablk, *end; int error; - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &bh); + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &bh); if (error) return error; - if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) { + if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) { error = ea_foreach_i(ip, bh, ea_call, data); goto out; } @@ -414,7 +414,7 @@ int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er) if (error) return error; - if (ip->i_di.di_eattr) { + if (ip->i_eattr) { struct ea_list ei = { .ei_er = er, .ei_size = 0 }; error = ea_foreach(ip, ea_list_i, &ei); @@ -514,7 +514,7 @@ int gfs2_ea_get_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return -ENODATA; error = gfs2_ea_find(ip, er, &el); @@ -741,7 +741,7 @@ static int ea_init_i(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) return error; - ip->i_di.di_eattr = bh->b_blocknr; + ip->i_eattr = bh->b_blocknr; error = ea_write(ip, GFS2_EA_BH2FIRST(bh), er); brelse(bh); @@ -935,10 +935,10 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, int error; int mh_size = sizeof(struct gfs2_meta_header); - if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { + if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) { __be64 *end; - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh); if (error) return error; @@ -972,9 +972,9 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, gfs2_buffer_clear_tail(indbh, mh_size); eablk = (__be64 *)(indbh->b_data + mh_size); - *eablk = cpu_to_be64(ip->i_di.di_eattr); - ip->i_di.di_eattr = blk; - ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT; + *eablk = cpu_to_be64(ip->i_eattr); + ip->i_eattr = blk; + ip->i_diskflags |= GFS2_DIF_EA_INDIRECT; gfs2_add_inode_blocks(&ip->i_inode, 1); eablk++; @@ -1015,7 +1015,7 @@ static int ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) return error; - if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) + if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) blks++; if (GFS2_EAREQ_SIZE_STUFFED(er) > GFS2_SB(&ip->i_inode)->sd_jbsize) blks += DIV_ROUND_UP(er->er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize); @@ -1040,7 +1040,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) { + if (!ip->i_eattr) { if (er->er_flags & XATTR_REPLACE) return -ENODATA; return ea_init(ip, er); @@ -1051,7 +1051,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) return error; if (el.el_ea) { - if (ip->i_di.di_flags & GFS2_DIF_APPENDONLY) { + if (ip->i_diskflags & GFS2_DIF_APPENDONLY) { brelse(el.el_bh); return -EPERM; } @@ -1145,7 +1145,7 @@ int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return -ENODATA; error = gfs2_ea_find(ip, er, &el); @@ -1309,7 +1309,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) memset(&rlist, 0, sizeof(struct gfs2_rgrp_list)); - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &indbh); + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh); if (error) return error; @@ -1388,7 +1388,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) if (bstart) gfs2_free_meta(ip, bstart, blen); - ip->i_di.di_flags &= ~GFS2_DIF_EA_INDIRECT; + ip->i_diskflags &= ~GFS2_DIF_EA_INDIRECT; error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { @@ -1416,7 +1416,7 @@ static int ea_dealloc_block(struct gfs2_inode *ip) struct buffer_head *dibh; int error; - rgd = gfs2_blk2rgrpd(sdp, ip->i_di.di_eattr); + rgd = gfs2_blk2rgrpd(sdp, ip->i_eattr); if (!rgd) { gfs2_consist_inode(ip); return -EIO; @@ -1432,9 +1432,9 @@ static int ea_dealloc_block(struct gfs2_inode *ip) if (error) goto out_gunlock; - gfs2_free_meta(ip, ip->i_di.di_eattr, 1); + gfs2_free_meta(ip, ip->i_eattr, 1); - ip->i_di.di_eattr = 0; + ip->i_eattr = 0; gfs2_add_inode_blocks(&ip->i_inode, -1); error = gfs2_meta_inode_buffer(ip, &dibh); @@ -1479,7 +1479,7 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip) if (error) goto out_rindex; - if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { + if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) { error = ea_dealloc_indirect(ip); if (error) goto out_rindex; diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index c962283d4e7..6b983aef785 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -40,6 +40,7 @@ #include "quota.h" #include "super.h" #include "util.h" +#include "bmap.h" struct gfs2_gl_hash_bucket { struct hlist_head hb_list; @@ -61,9 +62,10 @@ static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int static DECLARE_RWSEM(gfs2_umount_flush_sem); static struct dentry *gfs2_root; -static struct task_struct *scand_process; -static unsigned int scand_secs = 5; static struct workqueue_struct *glock_workqueue; +static LIST_HEAD(lru_list); +static atomic_t lru_count = ATOMIC_INIT(0); +static DEFINE_SPINLOCK(lru_lock); #define GFS2_GL_HASH_SHIFT 15 #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) @@ -174,6 +176,22 @@ static void gfs2_glock_hold(struct gfs2_glock *gl) } /** + * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list + * @gl: the glock + * + */ + +static void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl) +{ + spin_lock(&lru_lock); + if (list_empty(&gl->gl_lru) && gl->gl_state != LM_ST_UNLOCKED) { + list_add_tail(&gl->gl_lru, &lru_list); + atomic_inc(&lru_count); + } + spin_unlock(&lru_lock); +} + +/** * gfs2_glock_put() - Decrement reference count on glock * @gl: The glock to put * @@ -187,14 +205,23 @@ int gfs2_glock_put(struct gfs2_glock *gl) if (atomic_dec_and_test(&gl->gl_ref)) { hlist_del(&gl->gl_list); write_unlock(gl_lock_addr(gl->gl_hash)); + spin_lock(&lru_lock); + if (!list_empty(&gl->gl_lru)) { + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); + } + spin_unlock(&lru_lock); GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_UNLOCKED); - GLOCK_BUG_ON(gl, !list_empty(&gl->gl_reclaim)); + GLOCK_BUG_ON(gl, !list_empty(&gl->gl_lru)); GLOCK_BUG_ON(gl, !list_empty(&gl->gl_holders)); glock_free(gl); rv = 1; goto out; } write_unlock(gl_lock_addr(gl->gl_hash)); + /* 1 for being hashed, 1 for having state != LM_ST_UNLOCKED */ + if (atomic_read(&gl->gl_ref) == 2) + gfs2_glock_schedule_for_reclaim(gl); out: return rv; } @@ -289,10 +316,13 @@ static void gfs2_holder_wake(struct gfs2_holder *gh) * do_promote - promote as many requests as possible on the current queue * @gl: The glock * - * Returns: true if there is a blocked holder at the head of the list + * Returns: 1 if there is a blocked holder at the head of the list, or 2 + * if a type specific operation is underway. */ static int do_promote(struct gfs2_glock *gl) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_holder *gh, *tmp; @@ -310,6 +340,8 @@ restart: ret = glops->go_lock(gh); spin_lock(&gl->gl_spin); if (ret) { + if (ret == 1) + return 2; gh->gh_error = ret; list_del_init(&gh->gh_list); gfs2_holder_wake(gh); @@ -414,6 +446,7 @@ static void finish_xmote(struct gfs2_glock *gl, unsigned int ret) const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_holder *gh; unsigned state = ret & LM_OUT_ST_MASK; + int rv; spin_lock(&gl->gl_spin); state_change(gl, state); @@ -468,7 +501,6 @@ retry: gfs2_demote_wake(gl); if (state != LM_ST_UNLOCKED) { if (glops->go_xmote_bh) { - int rv; spin_unlock(&gl->gl_spin); rv = glops->go_xmote_bh(gl, gh); if (rv == -EAGAIN) @@ -479,10 +511,13 @@ retry: goto out; } } - do_promote(gl); + rv = do_promote(gl); + if (rv == 2) + goto out_locked; } out: clear_bit(GLF_LOCK, &gl->gl_flags); +out_locked: spin_unlock(&gl->gl_spin); gfs2_glock_put(gl); } @@ -511,6 +546,8 @@ static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock, */ static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_sbd *sdp = gl->gl_sbd; @@ -576,8 +613,11 @@ static inline struct gfs2_holder *find_first_holder(const struct gfs2_glock *gl) */ static void run_queue(struct gfs2_glock *gl, const int nonblock) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { struct gfs2_holder *gh = NULL; + int ret; if (test_and_set_bit(GLF_LOCK, &gl->gl_flags)) return; @@ -596,8 +636,11 @@ static void run_queue(struct gfs2_glock *gl, const int nonblock) } else { if (test_bit(GLF_DEMOTE, &gl->gl_flags)) gfs2_demote_wake(gl); - if (do_promote(gl) == 0) + ret = do_promote(gl); + if (ret == 0) goto out; + if (ret == 2) + return; gh = find_first_waiter(gl); gl->gl_target = gh->gh_state; if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB))) @@ -820,7 +863,7 @@ static void wait_on_demote(struct gfs2_glock *gl) */ static void handle_callback(struct gfs2_glock *gl, unsigned int state, - int remote, unsigned long delay) + unsigned long delay) { int bit = delay ? GLF_PENDING_DEMOTE : GLF_DEMOTE; @@ -828,9 +871,6 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state, if (gl->gl_demote_state == LM_ST_EXCLUSIVE) { gl->gl_demote_state = state; gl->gl_demote_time = jiffies; - if (remote && gl->gl_ops->go_type == LM_TYPE_IOPEN && - gl->gl_object) - gfs2_glock_schedule_for_reclaim(gl); } else if (gl->gl_demote_state != LM_ST_UNLOCKED && gl->gl_demote_state != state) { gl->gl_demote_state = LM_ST_UNLOCKED; @@ -877,6 +917,8 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...) */ static inline void add_to_queue(struct gfs2_holder *gh) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { struct gfs2_glock *gl = gh->gh_gl; struct gfs2_sbd *sdp = gl->gl_sbd; @@ -998,7 +1040,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh) spin_lock(&gl->gl_spin); if (gh->gh_flags & GL_NOCACHE) - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); + handle_callback(gl, LM_ST_UNLOCKED, 0); list_del_init(&gh->gh_list); if (find_first_holder(gl) == NULL) { @@ -1269,12 +1311,26 @@ static void blocking_cb(struct gfs2_sbd *sdp, struct lm_lockname *name, delay = gl->gl_ops->go_min_hold_time; spin_lock(&gl->gl_spin); - handle_callback(gl, state, 1, delay); + handle_callback(gl, state, delay); spin_unlock(&gl->gl_spin); if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0) gfs2_glock_put(gl); } +static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid) +{ + struct gfs2_jdesc *jd; + + spin_lock(&sdp->sd_jindex_spin); + list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { + if (jd->jd_jid != jid) + continue; + jd->jd_dirty = 1; + break; + } + spin_unlock(&sdp->sd_jindex_spin); +} + /** * gfs2_glock_cb - Callback used by locking module * @sdp: Pointer to the superblock @@ -1338,80 +1394,83 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data) * Returns: 1 if it's ok */ -static int demote_ok(struct gfs2_glock *gl) +static int demote_ok(const struct gfs2_glock *gl) { const struct gfs2_glock_operations *glops = gl->gl_ops; - int demote = 1; - - if (test_bit(GLF_STICKY, &gl->gl_flags)) - demote = 0; - else if (glops->go_demote_ok) - demote = glops->go_demote_ok(gl); - - return demote; -} - -/** - * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list - * @gl: the glock - * - */ - -void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl) -{ - struct gfs2_sbd *sdp = gl->gl_sbd; - spin_lock(&sdp->sd_reclaim_lock); - if (list_empty(&gl->gl_reclaim)) { - gfs2_glock_hold(gl); - list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list); - atomic_inc(&sdp->sd_reclaim_count); - spin_unlock(&sdp->sd_reclaim_lock); - wake_up(&sdp->sd_reclaim_wq); - } else - spin_unlock(&sdp->sd_reclaim_lock); + if (gl->gl_state == LM_ST_UNLOCKED) + return 0; + if (!list_empty(&gl->gl_holders)) + return 0; + if (glops->go_demote_ok) + return glops->go_demote_ok(gl); + return 1; } -/** - * gfs2_reclaim_glock - process the next glock on the filesystem's reclaim list - * @sdp: the filesystem - * - * Called from gfs2_glockd() glock reclaim daemon, or when promoting a - * different glock and we notice that there are a lot of glocks in the - * reclaim list. - * - */ -void gfs2_reclaim_glock(struct gfs2_sbd *sdp) +static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask) { struct gfs2_glock *gl; - int done_callback = 0; + int may_demote; + int nr_skipped = 0; + int got_ref = 0; + LIST_HEAD(skipped); - spin_lock(&sdp->sd_reclaim_lock); - if (list_empty(&sdp->sd_reclaim_list)) { - spin_unlock(&sdp->sd_reclaim_lock); - return; - } - gl = list_entry(sdp->sd_reclaim_list.next, - struct gfs2_glock, gl_reclaim); - list_del_init(&gl->gl_reclaim); - spin_unlock(&sdp->sd_reclaim_lock); + if (nr == 0) + goto out; - atomic_dec(&sdp->sd_reclaim_count); - atomic_inc(&sdp->sd_reclaimed); + if (!(gfp_mask & __GFP_FS)) + return -1; - spin_lock(&gl->gl_spin); - if (find_first_holder(gl) == NULL && - gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) { - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); - done_callback = 1; + spin_lock(&lru_lock); + while(nr && !list_empty(&lru_list)) { + gl = list_entry(lru_list.next, struct gfs2_glock, gl_lru); + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); + + /* Test for being demotable */ + if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) { + gfs2_glock_hold(gl); + got_ref = 1; + spin_unlock(&lru_lock); + spin_lock(&gl->gl_spin); + may_demote = demote_ok(gl); + spin_unlock(&gl->gl_spin); + clear_bit(GLF_LOCK, &gl->gl_flags); + if (may_demote) { + handle_callback(gl, LM_ST_UNLOCKED, 0); + nr--; + if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) + gfs2_glock_put(gl); + } + spin_lock(&lru_lock); + if (may_demote) + continue; + } + if (list_empty(&gl->gl_lru) && + (atomic_read(&gl->gl_ref) <= (2 + got_ref))) { + nr_skipped++; + list_add(&gl->gl_lru, &skipped); + } + if (got_ref) { + spin_unlock(&lru_lock); + gfs2_glock_put(gl); + spin_lock(&lru_lock); + got_ref = 0; + } } - spin_unlock(&gl->gl_spin); - if (!done_callback || - queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) - gfs2_glock_put(gl); + list_splice(&skipped, &lru_list); + atomic_add(nr_skipped, &lru_count); + spin_unlock(&lru_lock); +out: + return (atomic_read(&lru_count) / 100) * sysctl_vfs_cache_pressure; } +static struct shrinker glock_shrinker = { + .shrink = gfs2_shrink_glock_memory, + .seeks = DEFAULT_SEEKS, +}; + /** * examine_bucket - Call a function for glock in a hash bucket * @examiner: the function @@ -1457,26 +1516,6 @@ out: } /** - * scan_glock - look at a glock and see if we can reclaim it - * @gl: the glock to look at - * - */ - -static void scan_glock(struct gfs2_glock *gl) -{ - if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object) - return; - if (test_bit(GLF_LOCK, &gl->gl_flags)) - return; - - spin_lock(&gl->gl_spin); - if (find_first_holder(gl) == NULL && - gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) - gfs2_glock_schedule_for_reclaim(gl); - spin_unlock(&gl->gl_spin); -} - -/** * clear_glock - look at a glock and see if we can free it from glock cache * @gl: the glock to look at * @@ -1484,23 +1523,16 @@ static void scan_glock(struct gfs2_glock *gl) static void clear_glock(struct gfs2_glock *gl) { - struct gfs2_sbd *sdp = gl->gl_sbd; - int released; - - spin_lock(&sdp->sd_reclaim_lock); - if (!list_empty(&gl->gl_reclaim)) { - list_del_init(&gl->gl_reclaim); - atomic_dec(&sdp->sd_reclaim_count); - spin_unlock(&sdp->sd_reclaim_lock); - released = gfs2_glock_put(gl); - gfs2_assert(sdp, !released); - } else { - spin_unlock(&sdp->sd_reclaim_lock); + spin_lock(&lru_lock); + if (!list_empty(&gl->gl_lru)) { + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); } + spin_unlock(&lru_lock); spin_lock(&gl->gl_spin); if (find_first_holder(gl) == NULL && gl->gl_state != LM_ST_UNLOCKED) - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); + handle_callback(gl, LM_ST_UNLOCKED, 0); spin_unlock(&gl->gl_spin); gfs2_glock_hold(gl); if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) @@ -1548,6 +1580,20 @@ void gfs2_gl_hash_clear(struct gfs2_sbd *sdp) } } +void gfs2_glock_finish_truncate(struct gfs2_inode *ip) +{ + struct gfs2_glock *gl = ip->i_gl; + int ret; + + ret = gfs2_truncatei_resume(ip); + gfs2_assert_withdraw(gl->gl_sbd, ret == 0); + + spin_lock(&gl->gl_spin); + clear_bit(GLF_LOCK, &gl->gl_flags); + run_queue(gl, 1); + spin_unlock(&gl->gl_spin); +} + static const char *state2str(unsigned state) { switch(state) { @@ -1623,8 +1669,6 @@ static const char *gflags2str(char *buf, const unsigned long *gflags) char *p = buf; if (test_bit(GLF_LOCK, gflags)) *p++ = 'l'; - if (test_bit(GLF_STICKY, gflags)) - *p++ = 's'; if (test_bit(GLF_DEMOTE, gflags)) *p++ = 'D'; if (test_bit(GLF_PENDING_DEMOTE, gflags)) @@ -1743,34 +1787,6 @@ static int gfs2_dump_lockstate(struct gfs2_sbd *sdp) return error; } -/** - * gfs2_scand - Look for cached glocks and inodes to toss from memory - * @sdp: Pointer to GFS2 superblock - * - * One of these daemons runs, finding candidates to add to sd_reclaim_list. - * See gfs2_glockd() - */ - -static int gfs2_scand(void *data) -{ - unsigned x; - unsigned delay; - - while (!kthread_should_stop()) { - for (x = 0; x < GFS2_GL_HASH_SIZE; x++) - examine_bucket(scan_glock, NULL, x); - if (freezing(current)) - refrigerator(); - delay = scand_secs; - if (delay < 1) - delay = 1; - schedule_timeout_interruptible(delay * HZ); - } - - return 0; -} - - int __init gfs2_glock_init(void) { @@ -1784,28 +1800,21 @@ int __init gfs2_glock_init(void) } #endif - scand_process = kthread_run(gfs2_scand, NULL, "gfs2_scand"); - if (IS_ERR(scand_process)) - return PTR_ERR(scand_process); - glock_workqueue = create_workqueue("glock_workqueue"); - if (IS_ERR(glock_workqueue)) { - kthread_stop(scand_process); + if (IS_ERR(glock_workqueue)) return PTR_ERR(glock_workqueue); - } + + register_shrinker(&glock_shrinker); return 0; } void gfs2_glock_exit(void) { + unregister_shrinker(&glock_shrinker); destroy_workqueue(glock_workqueue); - kthread_stop(scand_process); } -module_param(scand_secs, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(scand_secs, "The number of seconds between scand runs"); - static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi) { struct gfs2_glock *gl; diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 695c6b19361..543ec7ecfbd 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -129,9 +129,9 @@ int gfs2_lvb_hold(struct gfs2_glock *gl); void gfs2_lvb_unhold(struct gfs2_glock *gl); void gfs2_glock_cb(void *cb_data, unsigned int type, void *data); -void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl); void gfs2_reclaim_glock(struct gfs2_sbd *sdp); void gfs2_gl_hash_clear(struct gfs2_sbd *sdp); +void gfs2_glock_finish_truncate(struct gfs2_inode *ip); int __init gfs2_glock_init(void); void gfs2_glock_exit(void); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index c6c318c2a0f..8522d3aa64f 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -201,19 +201,12 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags) * Returns: 1 if it's ok */ -static int inode_go_demote_ok(struct gfs2_glock *gl) +static int inode_go_demote_ok(const struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_sbd; - int demote = 0; - - if (!gl->gl_object && !gl->gl_aspace->i_mapping->nrpages) - demote = 1; - else if (!sdp->sd_args.ar_localcaching && - time_after_eq(jiffies, gl->gl_stamp + - gfs2_tune_get(sdp, gt_demote_secs) * HZ)) - demote = 1; - - return demote; + if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object) + return 0; + return 1; } /** @@ -227,6 +220,7 @@ static int inode_go_demote_ok(struct gfs2_glock *gl) static int inode_go_lock(struct gfs2_holder *gh) { struct gfs2_glock *gl = gh->gh_gl; + struct gfs2_sbd *sdp = gl->gl_sbd; struct gfs2_inode *ip = gl->gl_object; int error = 0; @@ -239,10 +233,16 @@ static int inode_go_lock(struct gfs2_holder *gh) return error; } - if ((ip->i_di.di_flags & GFS2_DIF_TRUNC_IN_PROG) && + if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && - (gh->gh_state == LM_ST_EXCLUSIVE)) - error = gfs2_truncatei_resume(ip); + (gh->gh_state == LM_ST_EXCLUSIVE)) { + spin_lock(&sdp->sd_trunc_lock); + if (list_empty(&ip->i_trunc_list)) + list_add(&sdp->sd_trunc_list, &ip->i_trunc_list); + spin_unlock(&sdp->sd_trunc_lock); + wake_up(&sdp->sd_quota_wait); + return 1; + } return error; } @@ -260,10 +260,13 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) const struct gfs2_inode *ip = gl->gl_object; if (ip == NULL) return 0; - gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%08lx\n", + gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu/%llu\n", (unsigned long long)ip->i_no_formal_ino, (unsigned long long)ip->i_no_addr, - IF2DT(ip->i_inode.i_mode), ip->i_flags); + IF2DT(ip->i_inode.i_mode), ip->i_flags, + (unsigned int)ip->i_diskflags, + (unsigned long long)ip->i_inode.i_size, + (unsigned long long)ip->i_disksize); return 0; } @@ -274,7 +277,7 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) * Returns: 1 if it's ok */ -static int rgrp_go_demote_ok(struct gfs2_glock *gl) +static int rgrp_go_demote_ok(const struct gfs2_glock *gl) { return !gl->gl_aspace->i_mapping->nrpages; } @@ -318,7 +321,9 @@ static int rgrp_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) const struct gfs2_rgrpd *rgd = gl->gl_object; if (rgd == NULL) return 0; - gfs2_print_dbg(seq, " R: n:%llu\n", (unsigned long long)rgd->rd_addr); + gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u\n", + (unsigned long long)rgd->rd_addr, rgd->rd_flags, + rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes); return 0; } @@ -374,13 +379,25 @@ static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh) } /** + * trans_go_demote_ok + * @gl: the glock + * + * Always returns 0 + */ + +static int trans_go_demote_ok(const struct gfs2_glock *gl) +{ + return 0; +} + +/** * quota_go_demote_ok - Check to see if it's ok to unlock a quota glock * @gl: the glock * * Returns: 1 if it's ok */ -static int quota_go_demote_ok(struct gfs2_glock *gl) +static int quota_go_demote_ok(const struct gfs2_glock *gl) { return !atomic_read(&gl->gl_lvb_count); } @@ -414,6 +431,7 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = { const struct gfs2_glock_operations gfs2_trans_glops = { .go_xmote_th = trans_go_sync, .go_xmote_bh = trans_go_xmote_bh, + .go_demote_ok = trans_go_demote_ok, .go_type = LM_TYPE_NONDISK, }; diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index f566ec1b4e8..608849d0002 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -68,12 +68,6 @@ struct gfs2_bitmap { u32 bi_len; }; -struct gfs2_rgrp_host { - u32 rg_free; - u32 rg_dinodes; - u64 rg_igeneration; -}; - struct gfs2_rgrpd { struct list_head rd_list; /* Link with superblock */ struct list_head rd_list_mru; @@ -83,14 +77,16 @@ struct gfs2_rgrpd { u32 rd_length; /* length of rgrp header in fs blocks */ u32 rd_data; /* num of data blocks in rgrp */ u32 rd_bitbytes; /* number of bytes in data bitmaps */ - struct gfs2_rgrp_host rd_rg; + u32 rd_free; + u32 rd_free_clone; + u32 rd_dinodes; + u64 rd_igeneration; struct gfs2_bitmap *rd_bits; - unsigned int rd_bh_count; struct mutex rd_mutex; - u32 rd_free_clone; struct gfs2_log_element rd_le; - u32 rd_last_alloc; struct gfs2_sbd *rd_sbd; + unsigned int rd_bh_count; + u32 rd_last_alloc; unsigned char rd_flags; #define GFS2_RDF_CHECK 0x01 /* Need to check for unlinked inodes */ #define GFS2_RDF_NOALLOC 0x02 /* rg prohibits allocation */ @@ -129,7 +125,7 @@ struct gfs2_glock_operations { void (*go_xmote_th) (struct gfs2_glock *gl); int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh); void (*go_inval) (struct gfs2_glock *gl, int flags); - int (*go_demote_ok) (struct gfs2_glock *gl); + int (*go_demote_ok) (const struct gfs2_glock *gl); int (*go_lock) (struct gfs2_holder *gh); void (*go_unlock) (struct gfs2_holder *gh); int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); @@ -159,7 +155,6 @@ struct gfs2_holder { enum { GLF_LOCK = 1, - GLF_STICKY = 2, GLF_DEMOTE = 3, GLF_PENDING_DEMOTE = 4, GLF_DEMOTE_IN_PROGRESS = 5, @@ -194,7 +189,7 @@ struct gfs2_glock { unsigned long gl_tchange; void *gl_object; - struct list_head gl_reclaim; + struct list_head gl_lru; struct gfs2_sbd *gl_sbd; @@ -233,29 +228,24 @@ enum { GIF_USER = 4, /* user inode, not metadata addr space */ }; -struct gfs2_dinode_host { - u64 di_size; /* number of bytes in file */ - u64 di_generation; /* generation number for NFS */ - u32 di_flags; /* GFS2_DIF_... */ - /* These only apply to directories */ - u32 di_entries; /* The number of entries in the directory */ - u64 di_eattr; /* extended attribute block number */ -}; struct gfs2_inode { struct inode i_inode; u64 i_no_addr; u64 i_no_formal_ino; + u64 i_generation; + u64 i_eattr; + loff_t i_disksize; unsigned long i_flags; /* GIF_... */ - - struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ - struct gfs2_glock *i_gl; /* Move into i_gh? */ struct gfs2_holder i_iopen_gh; struct gfs2_holder i_gh; /* for prepare/commit_write only */ struct gfs2_alloc *i_alloc; u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; + struct list_head i_trunc_list; + u32 i_entries; + u32 i_diskflags; u8 i_height; u8 i_depth; }; @@ -406,13 +396,11 @@ struct gfs2_args { struct gfs2_tune { spinlock_t gt_spin; - unsigned int gt_demote_secs; /* Cache retention for unheld glock */ unsigned int gt_incore_log_blocks; unsigned int gt_log_flush_secs; unsigned int gt_recoverd_secs; unsigned int gt_logd_secs; - unsigned int gt_quotad_secs; unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ @@ -488,10 +476,6 @@ struct gfs2_sbd { /* Lock Stuff */ struct lm_lockstruct sd_lockstruct; - struct list_head sd_reclaim_list; - spinlock_t sd_reclaim_lock; - wait_queue_head_t sd_reclaim_wq; - atomic_t sd_reclaim_count; struct gfs2_holder sd_live_gh; struct gfs2_glock *sd_rename_gl; struct gfs2_glock *sd_trans_gl; @@ -519,7 +503,6 @@ struct gfs2_sbd { spinlock_t sd_statfs_spin; struct gfs2_statfs_change_host sd_statfs_master; struct gfs2_statfs_change_host sd_statfs_local; - unsigned long sd_statfs_sync_time; /* Resource group stuff */ @@ -552,8 +535,6 @@ struct gfs2_sbd { struct task_struct *sd_recoverd_process; struct task_struct *sd_logd_process; struct task_struct *sd_quotad_process; - struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; - unsigned int sd_glockd_num; /* Quota stuff */ @@ -561,13 +542,15 @@ struct gfs2_sbd { atomic_t sd_quota_count; spinlock_t sd_quota_spin; struct mutex sd_quota_mutex; + wait_queue_head_t sd_quota_wait; + struct list_head sd_trunc_list; + spinlock_t sd_trunc_lock; unsigned int sd_quota_slots; unsigned int sd_quota_chunks; unsigned char **sd_quota_bitmap; u64 sd_quota_sync_gen; - unsigned long sd_quota_sync_time; /* Log stuff */ @@ -624,10 +607,6 @@ struct gfs2_sbd { struct mutex sd_freeze_lock; unsigned int sd_freeze_count; - /* Counters */ - - atomic_t sd_reclaimed; - char sd_fsname[GFS2_FSNAME_LEN]; char sd_table_name[GFS2_FSNAME_LEN]; char sd_proto_name[GFS2_FSNAME_LEN]; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index d57616840e8..3b87c188da4 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -32,7 +32,6 @@ #include "log.h" #include "meta_io.h" #include "ops_address.h" -#include "ops_inode.h" #include "quota.h" #include "rgrp.h" #include "trans.h" @@ -248,7 +247,6 @@ fail: static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) { - struct gfs2_dinode_host *di = &ip->i_di; const struct gfs2_dinode *str = buf; struct timespec atime; u16 height, depth; @@ -274,8 +272,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) * to do that. */ ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); - di->di_size = be64_to_cpu(str->di_size); - i_size_write(&ip->i_inode, di->di_size); + ip->i_disksize = be64_to_cpu(str->di_size); + i_size_write(&ip->i_inode, ip->i_disksize); gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); atime.tv_sec = be64_to_cpu(str->di_atime); atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); @@ -287,9 +285,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); ip->i_goal = be64_to_cpu(str->di_goal_meta); - di->di_generation = be64_to_cpu(str->di_generation); + ip->i_generation = be64_to_cpu(str->di_generation); - di->di_flags = be32_to_cpu(str->di_flags); + ip->i_diskflags = be32_to_cpu(str->di_flags); gfs2_set_inode_flags(&ip->i_inode); height = be16_to_cpu(str->di_height); if (unlikely(height > GFS2_MAX_META_HEIGHT)) @@ -300,9 +298,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) goto corrupt; ip->i_depth = (u8)depth; - di->di_entries = be32_to_cpu(str->di_entries); + ip->i_entries = be32_to_cpu(str->di_entries); - di->di_eattr = be64_to_cpu(str->di_eattr); + ip->i_eattr = be64_to_cpu(str->di_eattr); if (S_ISREG(ip->i_inode.i_mode)) gfs2_set_aops(&ip->i_inode); @@ -388,7 +386,6 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip) gfs2_free_di(rgd, ip); gfs2_trans_end(sdp); - clear_bit(GLF_STICKY, &ip->i_gl->gl_flags); out_rg_gunlock: gfs2_glock_dq_uninit(&al->al_rgd_gh); @@ -690,7 +687,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, return error; } - if (dip->i_di.di_entries == (u32)-1) + if (dip->i_entries == (u32)-1) return -EFBIG; if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) return -EMLINK; @@ -790,11 +787,11 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, di->di_flags = 0; if (S_ISREG(mode)) { - if ((dip->i_di.di_flags & GFS2_DIF_INHERIT_JDATA) || + if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || gfs2_tune_get(sdp, gt_new_files_jdata)) di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); } else if (S_ISDIR(mode)) { - di->di_flags |= cpu_to_be32(dip->i_di.di_flags & + di->di_flags |= cpu_to_be32(dip->i_diskflags & GFS2_DIF_INHERIT_JDATA); } @@ -1068,7 +1065,7 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, struct qstr dotname; int error; - if (ip->i_di.di_entries != 2) { + if (ip->i_entries != 2) { if (gfs2_consist_inode(ip)) gfs2_dinode_print(ip); return -EIO; @@ -1168,7 +1165,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len) return error; } - if (!ip->i_di.di_size) { + if (!ip->i_disksize) { gfs2_consist_inode(ip); error = -EIO; goto out; @@ -1178,7 +1175,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len) if (error) goto out; - x = ip->i_di.di_size + 1; + x = ip->i_disksize + 1; if (x > *len) { *buf = kmalloc(x, GFP_NOFS); if (!*buf) { @@ -1242,7 +1239,6 @@ int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) { - const struct gfs2_dinode_host *di = &ip->i_di; struct gfs2_dinode *str = buf; str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); @@ -1256,7 +1252,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_uid = cpu_to_be32(ip->i_inode.i_uid); str->di_gid = cpu_to_be32(ip->i_inode.i_gid); str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); - str->di_size = cpu_to_be64(di->di_size); + str->di_size = cpu_to_be64(ip->i_disksize); str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); @@ -1264,17 +1260,17 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_goal_meta = cpu_to_be64(ip->i_goal); str->di_goal_data = cpu_to_be64(ip->i_goal); - str->di_generation = cpu_to_be64(di->di_generation); + str->di_generation = cpu_to_be64(ip->i_generation); - str->di_flags = cpu_to_be32(di->di_flags); + str->di_flags = cpu_to_be32(ip->i_diskflags); str->di_height = cpu_to_be16(ip->i_height); str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && - !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ? + !(ip->i_diskflags & GFS2_DIF_EXHASH) ? GFS2_FORMAT_DE : 0); str->di_depth = cpu_to_be16(ip->i_depth); - str->di_entries = cpu_to_be32(di->di_entries); + str->di_entries = cpu_to_be32(ip->i_entries); - str->di_eattr = cpu_to_be64(di->di_eattr); + str->di_eattr = cpu_to_be64(ip->i_eattr); str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec); str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec); @@ -1282,22 +1278,21 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) void gfs2_dinode_print(const struct gfs2_inode *ip) { - const struct gfs2_dinode_host *di = &ip->i_di; - printk(KERN_INFO " no_formal_ino = %llu\n", (unsigned long long)ip->i_no_formal_ino); printk(KERN_INFO " no_addr = %llu\n", (unsigned long long)ip->i_no_addr); - printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size); + printk(KERN_INFO " i_disksize = %llu\n", + (unsigned long long)ip->i_disksize); printk(KERN_INFO " blocks = %llu\n", (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); printk(KERN_INFO " i_goal = %llu\n", (unsigned long long)ip->i_goal); - printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags); + printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags); printk(KERN_INFO " i_height = %u\n", ip->i_height); printk(KERN_INFO " i_depth = %u\n", ip->i_depth); - printk(KERN_INFO " di_entries = %u\n", di->di_entries); - printk(KERN_INFO " di_eattr = %llu\n", - (unsigned long long)di->di_eattr); + printk(KERN_INFO " i_entries = %u\n", ip->i_entries); + printk(KERN_INFO " i_eattr = %llu\n", + (unsigned long long)ip->i_eattr); } diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index 2d43f69610a..d5329364cdf 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -10,6 +10,7 @@ #ifndef __INODE_DOT_H__ #define __INODE_DOT_H__ +#include <linux/fs.h> #include "util.h" static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) @@ -19,7 +20,7 @@ static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) static inline int gfs2_is_jdata(const struct gfs2_inode *ip) { - return ip->i_di.di_flags & GFS2_DIF_JDATA; + return ip->i_diskflags & GFS2_DIF_JDATA; } static inline int gfs2_is_writeback(const struct gfs2_inode *ip) @@ -97,5 +98,15 @@ struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); void gfs2_dinode_print(const struct gfs2_inode *ip); +extern const struct inode_operations gfs2_file_iops; +extern const struct inode_operations gfs2_dir_iops; +extern const struct inode_operations gfs2_symlink_iops; +extern const struct file_operations gfs2_file_fops; +extern const struct file_operations gfs2_dir_fops; +extern const struct file_operations gfs2_file_fops_nolock; +extern const struct file_operations gfs2_dir_fops_nolock; + +extern void gfs2_set_inode_flags(struct inode *inode); + #endif /* __INODE_DOT_H__ */ diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c index 0c4cbe6c828..1aa7eb6a022 100644 --- a/fs/gfs2/locking/dlm/mount.c +++ b/fs/gfs2/locking/dlm/mount.c @@ -194,17 +194,25 @@ out: static void gdlm_recovery_done(void *lockspace, unsigned int jid, unsigned int message) { + char env_jid[20]; + char env_status[20]; + char *envp[] = { env_jid, env_status, NULL }; struct gdlm_ls *ls = lockspace; ls->recover_jid_done = jid; ls->recover_jid_status = message; - kobject_uevent(&ls->kobj, KOBJ_CHANGE); + sprintf(env_jid, "JID=%d", jid); + sprintf(env_status, "RECOVERY=%s", + message == LM_RD_SUCCESS ? "Done" : "Failed"); + kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp); } static void gdlm_others_may_mount(void *lockspace) { + char *message = "FIRSTMOUNT=Done"; + char *envp[] = { message, NULL }; struct gdlm_ls *ls = lockspace; ls->first_done = 1; - kobject_uevent(&ls->kobj, KOBJ_CHANGE); + kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp); } /* Userspace gets the offline uevent, blocks new gfs locks on diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c index 4ec571c3d8a..9b7edcf7bd4 100644 --- a/fs/gfs2/locking/dlm/sysfs.c +++ b/fs/gfs2/locking/dlm/sysfs.c @@ -195,9 +195,23 @@ void gdlm_kobject_release(struct gdlm_ls *ls) kobject_put(&ls->kobj); } +static int gdlm_uevent(struct kset *kset, struct kobject *kobj, + struct kobj_uevent_env *env) +{ + struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj); + add_uevent_var(env, "LOCKTABLE=%s:%s", ls->clustername, ls->fsname); + add_uevent_var(env, "LOCKPROTO=lock_dlm"); + return 0; +} + +static struct kset_uevent_ops gdlm_uevent_ops = { + .uevent = gdlm_uevent, +}; + + int gdlm_sysfs_init(void) { - gdlm_kset = kset_create_and_add("lock_dlm", NULL, kernel_kobj); + gdlm_kset = kset_create_and_add("lock_dlm", &gdlm_uevent_ops, kernel_kobj); if (!gdlm_kset) { printk(KERN_WARNING "%s: can not create kset\n", __func__); return -ENOMEM; diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index bb2cc303ac2..7cacfde3219 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -19,7 +19,7 @@ #include "gfs2.h" #include "incore.h" -#include "ops_fstype.h" +#include "super.h" #include "sys.h" #include "util.h" #include "glock.h" @@ -30,6 +30,7 @@ static void gfs2_init_inode_once(void *foo) inode_init_once(&ip->i_inode); init_rwsem(&ip->i_rw_mutex); + INIT_LIST_HEAD(&ip->i_trunc_list); ip->i_alloc = NULL; } @@ -42,7 +43,7 @@ static void gfs2_init_glock_once(void *foo) INIT_LIST_HEAD(&gl->gl_holders); gl->gl_lvb = NULL; atomic_set(&gl->gl_lvb_count, 0); - INIT_LIST_HEAD(&gl->gl_reclaim); + INIT_LIST_HEAD(&gl->gl_lru); INIT_LIST_HEAD(&gl->gl_ail_list); atomic_set(&gl->gl_ail_count, 0); } @@ -93,6 +94,12 @@ static int __init init_gfs2_fs(void) if (!gfs2_rgrpd_cachep) goto fail; + gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad", + sizeof(struct gfs2_quota_data), + 0, 0, NULL); + if (!gfs2_quotad_cachep) + goto fail; + error = register_filesystem(&gfs2_fs_type); if (error) goto fail; @@ -112,6 +119,9 @@ fail_unregister: fail: gfs2_glock_exit(); + if (gfs2_quotad_cachep) + kmem_cache_destroy(gfs2_quotad_cachep); + if (gfs2_rgrpd_cachep) kmem_cache_destroy(gfs2_rgrpd_cachep); @@ -140,6 +150,7 @@ static void __exit exit_gfs2_fs(void) unregister_filesystem(&gfs2_fs_type); unregister_filesystem(&gfs2meta_fs_type); + kmem_cache_destroy(gfs2_quotad_cachep); kmem_cache_destroy(gfs2_rgrpd_cachep); kmem_cache_destroy(gfs2_bufdata_cachep); kmem_cache_destroy(gfs2_inode_cachep); diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index f96eb90a2cf..3cb0a44ba02 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -32,7 +32,6 @@ enum { Opt_debug, Opt_nodebug, Opt_upgrade, - Opt_num_glockd, Opt_acl, Opt_noacl, Opt_quota_off, @@ -57,7 +56,6 @@ static const match_table_t tokens = { {Opt_debug, "debug"}, {Opt_nodebug, "nodebug"}, {Opt_upgrade, "upgrade"}, - {Opt_num_glockd, "num_glockd=%d"}, {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, {Opt_quota_off, "quota=off"}, @@ -87,16 +85,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) int error = 0; if (!remount) { - /* If someone preloaded options, use those instead */ - spin_lock(&gfs2_sys_margs_lock); - if (gfs2_sys_margs) { - data = gfs2_sys_margs; - gfs2_sys_margs = NULL; - } - spin_unlock(&gfs2_sys_margs_lock); - /* Set some defaults */ - args->ar_num_glockd = GFS2_GLOCKD_DEFAULT; args->ar_quota = GFS2_QUOTA_DEFAULT; args->ar_data = GFS2_DATA_DEFAULT; } @@ -105,7 +94,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) process them */ for (options = data; (o = strsep(&options, ",")); ) { - int token, option; + int token; substring_t tmp[MAX_OPT_ARGS]; if (!*o) @@ -196,22 +185,6 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) goto cant_remount; args->ar_upgrade = 1; break; - case Opt_num_glockd: - if ((error = match_int(&tmp[0], &option))) { - fs_info(sdp, "problem getting num_glockd\n"); - goto out_error; - } - - if (remount && option != args->ar_num_glockd) - goto cant_remount; - if (!option || option > GFS2_GLOCKD_MAX) { - fs_info(sdp, "0 < num_glockd <= %u (not %u)\n", - GFS2_GLOCKD_MAX, option); - error = -EINVAL; - goto out_error; - } - args->ar_num_glockd = option; - break; case Opt_acl: args->ar_posix_acl = 1; sdp->sd_vfs->s_flags |= MS_POSIXACL; diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 27563816e1c..6e4ea36c660 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -210,25 +210,23 @@ static int gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc { struct inode *inode = page->mapping->host; struct gfs2_sbd *sdp = GFS2_SB(inode); - int error; + int ret; int done_trans = 0; - error = gfs2_writepage_common(page, wbc); - if (error <= 0) - return error; - if (PageChecked(page)) { if (wbc->sync_mode != WB_SYNC_ALL) goto out_ignore; - error = gfs2_trans_begin(sdp, RES_DINODE + 1, 0); - if (error) + ret = gfs2_trans_begin(sdp, RES_DINODE + 1, 0); + if (ret) goto out_ignore; done_trans = 1; } - error = __gfs2_jdata_writepage(page, wbc); + ret = gfs2_writepage_common(page, wbc); + if (ret > 0) + ret = __gfs2_jdata_writepage(page, wbc); if (done_trans) gfs2_trans_end(sdp); - return error; + return ret; out_ignore: redirty_page_for_writepage(wbc, page); @@ -453,8 +451,8 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) kaddr = kmap_atomic(page, KM_USER0); memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), - ip->i_di.di_size); - memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size); + ip->i_disksize); + memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize); kunmap_atomic(kaddr, KM_USER0); flush_dcache_page(page); brelse(dibh); @@ -627,7 +625,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, { struct gfs2_inode *ip = GFS2_I(mapping->host); struct gfs2_sbd *sdp = GFS2_SB(mapping->host); - unsigned int data_blocks, ind_blocks, rblocks; + unsigned int data_blocks = 0, ind_blocks = 0, rblocks; int alloc_required; int error = 0; struct gfs2_alloc *al; @@ -641,11 +639,13 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, if (unlikely(error)) goto out_uninit; - gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); error = gfs2_write_alloc_required(ip, pos, len, &alloc_required); if (error) goto out_unlock; + if (alloc_required || gfs2_is_jdata(ip)) + gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); + if (alloc_required) { al = gfs2_alloc_get(ip); if (!al) { @@ -675,7 +675,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, goto out_trans_fail; error = -ENOMEM; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); *pagep = page; if (unlikely(!page)) goto out_endtrans; @@ -782,7 +782,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh, if (inode->i_size < to) { i_size_write(inode, to); - ip->i_di.di_size = inode->i_size; + ip->i_disksize = inode->i_size; di->di_size = cpu_to_be64(inode->i_size); mark_inode_dirty(inode); } @@ -847,9 +847,9 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping, ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); - if (likely(ret >= 0) && (inode->i_size > ip->i_di.di_size)) { + if (likely(ret >= 0) && (inode->i_size > ip->i_disksize)) { di = (struct gfs2_dinode *)dibh->b_data; - ip->i_di.di_size = inode->i_size; + ip->i_disksize = inode->i_size; di->di_size = cpu_to_be64(inode->i_size); mark_inode_dirty(inode); } diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c index 4a5e676b442..c2ad36330ca 100644 --- a/fs/gfs2/ops_dentry.c +++ b/fs/gfs2/ops_dentry.c @@ -19,7 +19,7 @@ #include "incore.h" #include "dir.h" #include "glock.h" -#include "ops_dentry.h" +#include "super.h" #include "util.h" #include "inode.h" diff --git a/fs/gfs2/ops_dentry.h b/fs/gfs2/ops_dentry.h deleted file mode 100644 index 5caa3db4d3f..00000000000 --- a/fs/gfs2/ops_dentry.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_DENTRY_DOT_H__ -#define __OPS_DENTRY_DOT_H__ - -#include <linux/dcache.h> - -extern struct dentry_operations gfs2_dops; - -#endif /* __OPS_DENTRY_DOT_H__ */ diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c index bbb8c36403a..7fdeb14ddd1 100644 --- a/fs/gfs2/ops_export.c +++ b/fs/gfs2/ops_export.c @@ -22,8 +22,7 @@ #include "glock.h" #include "glops.h" #include "inode.h" -#include "ops_dentry.h" -#include "ops_fstype.h" +#include "super.h" #include "rgrp.h" #include "util.h" @@ -214,7 +213,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, } error = -EIO; - if (GFS2_I(inode)->i_di.di_flags & GFS2_DIF_SYSTEM) { + if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) { iput(inode); goto fail; } diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 3a747f8e218..289c5f54ba5 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -39,7 +39,6 @@ #include "util.h" #include "eaops.h" #include "ops_address.h" -#include "ops_inode.h" /** * gfs2_llseek - seek to a location in a file @@ -158,8 +157,8 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) if (error) return error; - fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags); - if (!S_ISDIR(inode->i_mode) && ip->i_di.di_flags & GFS2_DIF_JDATA) + fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags); + if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA) fsflags |= FS_JOURNAL_DATA_FL; if (put_user(fsflags, ptr)) error = -EFAULT; @@ -172,17 +171,16 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) void gfs2_set_inode_flags(struct inode *inode) { struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_dinode_host *di = &ip->i_di; unsigned int flags = inode->i_flags; flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); - if (di->di_flags & GFS2_DIF_IMMUTABLE) + if (ip->i_diskflags & GFS2_DIF_IMMUTABLE) flags |= S_IMMUTABLE; - if (di->di_flags & GFS2_DIF_APPENDONLY) + if (ip->i_diskflags & GFS2_DIF_APPENDONLY) flags |= S_APPEND; - if (di->di_flags & GFS2_DIF_NOATIME) + if (ip->i_diskflags & GFS2_DIF_NOATIME) flags |= S_NOATIME; - if (di->di_flags & GFS2_DIF_SYNC) + if (ip->i_diskflags & GFS2_DIF_SYNC) flags |= S_SYNC; inode->i_flags = flags; } @@ -221,7 +219,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) if (error) goto out_drop_write; - flags = ip->i_di.di_flags; + flags = ip->i_diskflags; new_flags = (flags & ~mask) | (reqflags & mask); if ((new_flags ^ flags) == 0) goto out; @@ -260,7 +258,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) if (error) goto out_trans_end; gfs2_trans_add_bh(ip->i_gl, bh, 1); - ip->i_di.di_flags = new_flags; + ip->i_diskflags = new_flags; gfs2_dinode_out(ip, bh->b_data); brelse(bh); gfs2_set_inode_flags(inode); @@ -357,7 +355,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) goto out; set_bit(GIF_SW_PAGED, &ip->i_flags); - gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required); if (ret || !alloc_required) goto out_unlock; @@ -369,6 +366,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) ret = gfs2_quota_lock_check(ip); if (ret) goto out_alloc_put; + gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); al->al_requested = data_blocks + ind_blocks; ret = gfs2_inplace_reserve(ip); if (ret) @@ -479,7 +477,7 @@ static int gfs2_open(struct inode *inode, struct file *file) goto fail; if (!(file->f_flags & O_LARGEFILE) && - ip->i_di.di_size > MAX_NON_LFS) { + ip->i_disksize > MAX_NON_LFS) { error = -EOVERFLOW; goto fail_gunlock; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b117fcf2c4f..f91eebdde58 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -22,20 +22,18 @@ #include "gfs2.h" #include "incore.h" #include "bmap.h" -#include "daemon.h" #include "glock.h" #include "glops.h" #include "inode.h" #include "mount.h" -#include "ops_fstype.h" -#include "ops_dentry.h" -#include "ops_super.h" #include "recovery.h" #include "rgrp.h" #include "super.h" #include "sys.h" #include "util.h" #include "log.h" +#include "quota.h" +#include "dir.h" #define DO 0 #define UNDO 1 @@ -58,12 +56,10 @@ static void gfs2_tune_init(struct gfs2_tune *gt) { spin_lock_init(>->gt_spin); - gt->gt_demote_secs = 300; gt->gt_incore_log_blocks = 1024; gt->gt_log_flush_secs = 60; gt->gt_recoverd_secs = 60; gt->gt_logd_secs = 1; - gt->gt_quotad_secs = 5; gt->gt_quota_simul_sync = 64; gt->gt_quota_warn_period = 10; gt->gt_quota_scale_num = 1; @@ -91,10 +87,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) gfs2_tune_init(&sdp->sd_tune); - INIT_LIST_HEAD(&sdp->sd_reclaim_list); - spin_lock_init(&sdp->sd_reclaim_lock); - init_waitqueue_head(&sdp->sd_reclaim_wq); - mutex_init(&sdp->sd_inum_mutex); spin_lock_init(&sdp->sd_statfs_spin); @@ -110,6 +102,9 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) INIT_LIST_HEAD(&sdp->sd_quota_list); spin_lock_init(&sdp->sd_quota_spin); mutex_init(&sdp->sd_quota_mutex); + init_waitqueue_head(&sdp->sd_quota_wait); + INIT_LIST_HEAD(&sdp->sd_trunc_list); + spin_lock_init(&sdp->sd_trunc_lock); spin_lock_init(&sdp->sd_log_lock); @@ -443,24 +438,11 @@ out: static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, int undo) { - struct task_struct *p; int error = 0; if (undo) goto fail_trans; - for (sdp->sd_glockd_num = 0; - sdp->sd_glockd_num < sdp->sd_args.ar_num_glockd; - sdp->sd_glockd_num++) { - p = kthread_run(gfs2_glockd, sdp, "gfs2_glockd"); - error = IS_ERR(p); - if (error) { - fs_err(sdp, "can't start glockd thread: %d\n", error); - goto fail; - } - sdp->sd_glockd_process[sdp->sd_glockd_num] = p; - } - error = gfs2_glock_nq_num(sdp, GFS2_MOUNT_LOCK, &gfs2_nondisk_glops, LM_ST_EXCLUSIVE, LM_FLAG_NOEXP | GL_NOCACHE, @@ -493,7 +475,6 @@ static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, fs_err(sdp, "can't create transaction glock: %d\n", error); goto fail_rename; } - set_bit(GLF_STICKY, &sdp->sd_trans_gl->gl_flags); return 0; @@ -506,9 +487,6 @@ fail_live: fail_mount: gfs2_glock_dq_uninit(mount_gh); fail: - while (sdp->sd_glockd_num--) - kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]); - return error; } @@ -620,7 +598,7 @@ static int map_journal_extents(struct gfs2_sbd *sdp) prev_db = 0; - for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) { + for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) { bh.b_state = 0; bh.b_blocknr = 0; bh.b_size = 1 << ip->i_inode.i_blkbits; @@ -661,6 +639,72 @@ static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp) sdp->sd_lockstruct.ls_lockspace); } +/** + * gfs2_jindex_hold - Grab a lock on the jindex + * @sdp: The GFS2 superblock + * @ji_gh: the holder for the jindex glock + * + * Returns: errno + */ + +static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) +{ + struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex); + struct qstr name; + char buf[20]; + struct gfs2_jdesc *jd; + int error; + + name.name = buf; + + mutex_lock(&sdp->sd_jindex_mutex); + + for (;;) { + error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh); + if (error) + break; + + name.len = sprintf(buf, "journal%u", sdp->sd_journals); + name.hash = gfs2_disk_hash(name.name, name.len); + + error = gfs2_dir_check(sdp->sd_jindex, &name, NULL); + if (error == -ENOENT) { + error = 0; + break; + } + + gfs2_glock_dq_uninit(ji_gh); + + if (error) + break; + + error = -ENOMEM; + jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL); + if (!jd) + break; + + INIT_LIST_HEAD(&jd->extent_list); + jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1); + if (!jd->jd_inode || IS_ERR(jd->jd_inode)) { + if (!jd->jd_inode) + error = -ENOENT; + else + error = PTR_ERR(jd->jd_inode); + kfree(jd); + break; + } + + spin_lock(&sdp->sd_jindex_spin); + jd->jd_jid = sdp->sd_journals++; + list_add_tail(&jd->jd_list, &sdp->sd_jindex_list); + spin_unlock(&sdp->sd_jindex_spin); + } + + mutex_unlock(&sdp->sd_jindex_mutex); + + return error; +} + static int init_journal(struct gfs2_sbd *sdp, int undo) { struct inode *master = sdp->sd_master_dir->d_inode; @@ -681,7 +725,6 @@ static int init_journal(struct gfs2_sbd *sdp, int undo) return PTR_ERR(sdp->sd_jindex); } ip = GFS2_I(sdp->sd_jindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); /* Load in the journal index special file */ @@ -832,7 +875,6 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) goto fail_statfs; } ip = GFS2_I(sdp->sd_rindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); sdp->sd_rindex_uptodate = 0; /* Read in the quota inode */ @@ -973,9 +1015,6 @@ static int init_threads(struct gfs2_sbd *sdp, int undo) } sdp->sd_logd_process = p; - sdp->sd_statfs_sync_time = jiffies; - sdp->sd_quota_sync_time = jiffies; - p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad"); error = IS_ERR(p); if (error) { @@ -1224,17 +1263,21 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, static void gfs2_kill_sb(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - if (sdp) { - gfs2_meta_syncfs(sdp); - dput(sdp->sd_root_dir); - dput(sdp->sd_master_dir); - sdp->sd_root_dir = NULL; - sdp->sd_master_dir = NULL; + + if (sdp == NULL) { + kill_block_super(sb); + return; } + + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; shrink_dcache_sb(sb); kill_block_super(sb); - if (sdp) - gfs2_delete_debugfs_file(sdp); + gfs2_delete_debugfs_file(sdp); + kfree(sdp); } struct file_system_type gfs2_fs_type = { diff --git a/fs/gfs2/ops_fstype.h b/fs/gfs2/ops_fstype.h deleted file mode 100644 index da849051183..00000000000 --- a/fs/gfs2/ops_fstype.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_FSTYPE_DOT_H__ -#define __OPS_FSTYPE_DOT_H__ - -#include <linux/fs.h> - -extern struct file_system_type gfs2_fs_type; -extern struct file_system_type gfs2meta_fs_type; -extern const struct export_operations gfs2_export_ops; - -#endif /* __OPS_FSTYPE_DOT_H__ */ diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index d232991b904..49877546beb 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -19,6 +19,7 @@ #include <linux/gfs2_ondisk.h> #include <linux/crc32.h> #include <linux/lm_interface.h> +#include <linux/fiemap.h> #include <asm/uaccess.h> #include "gfs2.h" @@ -31,12 +32,11 @@ #include "glock.h" #include "inode.h" #include "meta_io.h" -#include "ops_dentry.h" -#include "ops_inode.h" #include "quota.h" #include "rgrp.h" #include "trans.h" #include "util.h" +#include "super.h" /** * gfs2_create - Create a file @@ -185,7 +185,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (!dip->i_inode.i_nlink) goto out_gunlock; error = -EFBIG; - if (dip->i_di.di_entries == (u32)-1) + if (dip->i_entries == (u32)-1) goto out_gunlock; error = -EPERM; if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) @@ -371,7 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry, ip = ghs[1].gh_gl->gl_object; - ip->i_di.di_size = size; + ip->i_disksize = size; error = gfs2_meta_inode_buffer(ip, &dibh); @@ -425,9 +425,9 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) ip = ghs[1].gh_gl->gl_object; ip->i_inode.i_nlink = 2; - ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); - ip->i_di.di_flags |= GFS2_DIF_JDATA; - ip->i_di.di_entries = 2; + ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); + ip->i_diskflags |= GFS2_DIF_JDATA; + ip->i_entries = 2; error = gfs2_meta_inode_buffer(ip, &dibh); @@ -517,13 +517,13 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) if (error) goto out_gunlock; - if (ip->i_di.di_entries < 2) { + if (ip->i_entries < 2) { if (gfs2_consist_inode(ip)) gfs2_dinode_print(ip); error = -EIO; goto out_gunlock; } - if (ip->i_di.di_entries > 2) { + if (ip->i_entries > 2) { error = -ENOTEMPTY; goto out_gunlock; } @@ -726,13 +726,13 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, goto out_gunlock; if (S_ISDIR(nip->i_inode.i_mode)) { - if (nip->i_di.di_entries < 2) { + if (nip->i_entries < 2) { if (gfs2_consist_inode(nip)) gfs2_dinode_print(nip); error = -EIO; goto out_gunlock; } - if (nip->i_di.di_entries > 2) { + if (nip->i_entries > 2) { error = -ENOTEMPTY; goto out_gunlock; } @@ -758,7 +758,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, error = -EINVAL; goto out_gunlock; } - if (ndip->i_di.di_entries == (u32)-1) { + if (ndip->i_entries == (u32)-1) { error = -EFBIG; goto out_gunlock; } @@ -990,7 +990,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr) struct gfs2_sbd *sdp = GFS2_SB(inode); int error; - if (attr->ia_size != ip->i_di.di_size) { + if (attr->ia_size != ip->i_disksize) { error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) return error; @@ -1001,8 +1001,8 @@ static int setattr_size(struct inode *inode, struct iattr *attr) } error = gfs2_truncatei(ip, attr->ia_size); - if (error && (inode->i_size != ip->i_di.di_size)) - i_size_write(inode, ip->i_di.di_size); + if (error && (inode->i_size != ip->i_disksize)) + i_size_write(inode, ip->i_disksize); return error; } @@ -1212,6 +1212,48 @@ static int gfs2_removexattr(struct dentry *dentry, const char *name) return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er); } +static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, + u64 start, u64 len) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_holder gh; + int ret; + + ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC); + if (ret) + return ret; + + mutex_lock(&inode->i_mutex); + + ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh); + if (ret) + goto out; + + if (gfs2_is_stuffed(ip)) { + u64 phys = ip->i_no_addr << inode->i_blkbits; + u64 size = i_size_read(inode); + u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED| + FIEMAP_EXTENT_DATA_INLINE; + phys += sizeof(struct gfs2_dinode); + phys += start; + if (start + len > size) + len = size - start; + if (start < size) + ret = fiemap_fill_next_extent(fieinfo, start, phys, + len, flags); + if (ret == 1) + ret = 0; + } else { + ret = __generic_block_fiemap(inode, fieinfo, start, len, + gfs2_block_map); + } + + gfs2_glock_dq_uninit(&gh); +out: + mutex_unlock(&inode->i_mutex); + return ret; +} + const struct inode_operations gfs2_file_iops = { .permission = gfs2_permission, .setattr = gfs2_setattr, @@ -1220,6 +1262,7 @@ const struct inode_operations gfs2_file_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; const struct inode_operations gfs2_dir_iops = { @@ -1239,6 +1282,7 @@ const struct inode_operations gfs2_dir_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; const struct inode_operations gfs2_symlink_iops = { @@ -1251,5 +1295,6 @@ const struct inode_operations gfs2_symlink_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; diff --git a/fs/gfs2/ops_inode.h b/fs/gfs2/ops_inode.h deleted file mode 100644 index 14b4b797622..00000000000 --- a/fs/gfs2/ops_inode.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_INODE_DOT_H__ -#define __OPS_INODE_DOT_H__ - -#include <linux/fs.h> - -extern const struct inode_operations gfs2_file_iops; -extern const struct inode_operations gfs2_dir_iops; -extern const struct inode_operations gfs2_symlink_iops; -extern const struct file_operations gfs2_file_fops; -extern const struct file_operations gfs2_dir_fops; -extern const struct file_operations gfs2_file_fops_nolock; -extern const struct file_operations gfs2_dir_fops_nolock; - -extern void gfs2_set_inode_flags(struct inode *inode); - -#endif /* __OPS_INODE_DOT_H__ */ diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index d5355d9b592..777783deddc 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -28,7 +28,6 @@ #include "inode.h" #include "log.h" #include "mount.h" -#include "ops_super.h" #include "quota.h" #include "recovery.h" #include "rgrp.h" @@ -143,8 +142,6 @@ static void gfs2_put_super(struct super_block *sb) kthread_stop(sdp->sd_quotad_process); kthread_stop(sdp->sd_logd_process); kthread_stop(sdp->sd_recoverd_process); - while (sdp->sd_glockd_num--) - kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]); if (!(sb->s_flags & MS_RDONLY)) { error = gfs2_make_fs_ro(sdp); @@ -185,7 +182,6 @@ static void gfs2_put_super(struct super_block *sb) /* At this point, we're through participating in the lockspace */ gfs2_sys_fs_del(sdp); - kfree(sdp); } /** @@ -260,6 +256,137 @@ static void gfs2_unlockfs(struct super_block *sb) } /** + * statfs_fill - fill in the sg for a given RG + * @rgd: the RG + * @sc: the sc structure + * + * Returns: 0 on success, -ESTALE if the LVB is invalid + */ + +static int statfs_slow_fill(struct gfs2_rgrpd *rgd, + struct gfs2_statfs_change_host *sc) +{ + gfs2_rgrp_verify(rgd); + sc->sc_total += rgd->rd_data; + sc->sc_free += rgd->rd_free; + sc->sc_dinodes += rgd->rd_dinodes; + return 0; +} + +/** + * gfs2_statfs_slow - Stat a filesystem using asynchronous locking + * @sdp: the filesystem + * @sc: the sc info that will be returned + * + * Any error (other than a signal) will cause this routine to fall back + * to the synchronous version. + * + * FIXME: This really shouldn't busy wait like this. + * + * Returns: errno + */ + +static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) +{ + struct gfs2_holder ri_gh; + struct gfs2_rgrpd *rgd_next; + struct gfs2_holder *gha, *gh; + unsigned int slots = 64; + unsigned int x; + int done; + int error = 0, err; + + memset(sc, 0, sizeof(struct gfs2_statfs_change_host)); + gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL); + if (!gha) + return -ENOMEM; + + error = gfs2_rindex_hold(sdp, &ri_gh); + if (error) + goto out; + + rgd_next = gfs2_rgrpd_get_first(sdp); + + for (;;) { + done = 1; + + for (x = 0; x < slots; x++) { + gh = gha + x; + + if (gh->gh_gl && gfs2_glock_poll(gh)) { + err = gfs2_glock_wait(gh); + if (err) { + gfs2_holder_uninit(gh); + error = err; + } else { + if (!error) + error = statfs_slow_fill( + gh->gh_gl->gl_object, sc); + gfs2_glock_dq_uninit(gh); + } + } + + if (gh->gh_gl) + done = 0; + else if (rgd_next && !error) { + error = gfs2_glock_nq_init(rgd_next->rd_gl, + LM_ST_SHARED, + GL_ASYNC, + gh); + rgd_next = gfs2_rgrpd_get_next(rgd_next); + done = 0; + } + + if (signal_pending(current)) + error = -ERESTARTSYS; + } + + if (done) + break; + + yield(); + } + + gfs2_glock_dq_uninit(&ri_gh); + +out: + kfree(gha); + return error; +} + +/** + * gfs2_statfs_i - Do a statfs + * @sdp: the filesystem + * @sg: the sg structure + * + * Returns: errno + */ + +static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) +{ + struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; + + spin_lock(&sdp->sd_statfs_spin); + + *sc = *m_sc; + sc->sc_total += l_sc->sc_total; + sc->sc_free += l_sc->sc_free; + sc->sc_dinodes += l_sc->sc_dinodes; + + spin_unlock(&sdp->sd_statfs_spin); + + if (sc->sc_free < 0) + sc->sc_free = 0; + if (sc->sc_free > sc->sc_total) + sc->sc_free = sc->sc_total; + if (sc->sc_dinodes < 0) + sc->sc_dinodes = 0; + + return 0; +} + +/** * gfs2_statfs - Gather and return stats about the filesystem * @sb: The superblock * @statfsbuf: The buffer @@ -370,7 +497,6 @@ static void gfs2_clear_inode(struct inode *inode) */ if (test_bit(GIF_USER, &ip->i_flags)) { ip->i_gl->gl_object = NULL; - gfs2_glock_schedule_for_reclaim(ip->i_gl); gfs2_glock_put(ip->i_gl); ip->i_gl = NULL; if (ip->i_iopen_gh.gh_gl) { @@ -423,8 +549,6 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) seq_printf(s, ",debug"); if (args->ar_upgrade) seq_printf(s, ",upgrade"); - if (args->ar_num_glockd != GFS2_GLOCKD_DEFAULT) - seq_printf(s, ",num_glockd=%u", args->ar_num_glockd); if (args->ar_posix_acl) seq_printf(s, ",acl"); if (args->ar_quota != GFS2_QUOTA_DEFAULT) { @@ -494,16 +618,16 @@ static void gfs2_delete_inode(struct inode *inode) gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh); error = gfs2_glock_nq(&ip->i_iopen_gh); if (error) - goto out_uninit; + goto out_truncate; if (S_ISDIR(inode->i_mode) && - (ip->i_di.di_flags & GFS2_DIF_EXHASH)) { + (ip->i_diskflags & GFS2_DIF_EXHASH)) { error = gfs2_dir_exhash_dealloc(ip); if (error) goto out_unlock; } - if (ip->i_di.di_eattr) { + if (ip->i_eattr) { error = gfs2_ea_dealloc(ip); if (error) goto out_unlock; @@ -519,6 +643,7 @@ static void gfs2_delete_inode(struct inode *inode) if (error) goto out_unlock; +out_truncate: error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) goto out_unlock; @@ -527,8 +652,8 @@ static void gfs2_delete_inode(struct inode *inode) gfs2_trans_end(sdp); out_unlock: - gfs2_glock_dq(&ip->i_iopen_gh); -out_uninit: + if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) + gfs2_glock_dq(&ip->i_iopen_gh); gfs2_holder_uninit(&ip->i_iopen_gh); gfs2_glock_dq_uninit(&gh); if (error && error != GLR_TRYFAILED) diff --git a/fs/gfs2/ops_super.h b/fs/gfs2/ops_super.h deleted file mode 100644 index 442a274c627..00000000000 --- a/fs/gfs2/ops_super.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_SUPER_DOT_H__ -#define __OPS_SUPER_DOT_H__ - -#include <linux/fs.h> - -extern const struct super_operations gfs2_super_ops; - -#endif /* __OPS_SUPER_DOT_H__ */ diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 3e073f5144f..b08d09696b3 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -46,6 +46,8 @@ #include <linux/bio.h> #include <linux/gfs2_ondisk.h> #include <linux/lm_interface.h> +#include <linux/kthread.h> +#include <linux/freezer.h> #include "gfs2.h" #include "incore.h" @@ -94,7 +96,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id, struct gfs2_quota_data *qd; int error; - qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_NOFS); + qd = kmem_cache_zalloc(gfs2_quotad_cachep, GFP_NOFS); if (!qd) return -ENOMEM; @@ -119,7 +121,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id, return 0; fail: - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); return error; } @@ -158,7 +160,7 @@ static int qd_get(struct gfs2_sbd *sdp, int user, u32 id, int create, if (qd || !create) { if (new_qd) { gfs2_lvb_unhold(new_qd->qd_gl); - kfree(new_qd); + kmem_cache_free(gfs2_quotad_cachep, new_qd); } *qdp = qd; return 0; @@ -1013,7 +1015,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change, if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), change)) return; - if (ip->i_di.di_flags & GFS2_DIF_SYSTEM) + if (ip->i_diskflags & GFS2_DIF_SYSTEM) return; for (x = 0; x < al->al_qd_num; x++) { @@ -1100,15 +1102,15 @@ static void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void * int gfs2_quota_init(struct gfs2_sbd *sdp) { struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode); - unsigned int blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; + unsigned int blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; unsigned int x, slot = 0; unsigned int found = 0; u64 dblock; u32 extlen = 0; int error; - if (!ip->i_di.di_size || ip->i_di.di_size > (64 << 20) || - ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1)) { + if (!ip->i_disksize || ip->i_disksize > (64 << 20) || + ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) { gfs2_consist_inode(ip); return -EIO; } @@ -1195,7 +1197,7 @@ fail: return error; } -void gfs2_quota_scan(struct gfs2_sbd *sdp) +static void gfs2_quota_scan(struct gfs2_sbd *sdp) { struct gfs2_quota_data *qd, *safe; LIST_HEAD(dead); @@ -1222,7 +1224,7 @@ void gfs2_quota_scan(struct gfs2_sbd *sdp) gfs2_assert_warn(sdp, !qd->qd_bh_count); gfs2_lvb_unhold(qd->qd_gl); - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); } } @@ -1257,7 +1259,7 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp) gfs2_assert_warn(sdp, !qd->qd_bh_count); gfs2_lvb_unhold(qd->qd_gl); - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); spin_lock(&sdp->sd_quota_spin); } @@ -1272,3 +1274,94 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp) } } +static void quotad_error(struct gfs2_sbd *sdp, const char *msg, int error) +{ + if (error == 0 || error == -EROFS) + return; + if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) + fs_err(sdp, "gfs2_quotad: %s error %d\n", msg, error); +} + +static void quotad_check_timeo(struct gfs2_sbd *sdp, const char *msg, + int (*fxn)(struct gfs2_sbd *sdp), + unsigned long t, unsigned long *timeo, + unsigned int *new_timeo) +{ + if (t >= *timeo) { + int error = fxn(sdp); + quotad_error(sdp, msg, error); + *timeo = gfs2_tune_get_i(&sdp->sd_tune, new_timeo) * HZ; + } else { + *timeo -= t; + } +} + +static void quotad_check_trunc_list(struct gfs2_sbd *sdp) +{ + struct gfs2_inode *ip; + + while(1) { + ip = NULL; + spin_lock(&sdp->sd_trunc_lock); + if (!list_empty(&sdp->sd_trunc_list)) { + ip = list_entry(sdp->sd_trunc_list.next, + struct gfs2_inode, i_trunc_list); + list_del_init(&ip->i_trunc_list); + } + spin_unlock(&sdp->sd_trunc_lock); + if (ip == NULL) + return; + gfs2_glock_finish_truncate(ip); + } +} + +/** + * gfs2_quotad - Write cached quota changes into the quota file + * @sdp: Pointer to GFS2 superblock + * + */ + +int gfs2_quotad(void *data) +{ + struct gfs2_sbd *sdp = data; + struct gfs2_tune *tune = &sdp->sd_tune; + unsigned long statfs_timeo = 0; + unsigned long quotad_timeo = 0; + unsigned long t = 0; + DEFINE_WAIT(wait); + int empty; + + while (!kthread_should_stop()) { + + /* Update the master statfs file */ + quotad_check_timeo(sdp, "statfs", gfs2_statfs_sync, t, + &statfs_timeo, &tune->gt_statfs_quantum); + + /* Update quota file */ + quotad_check_timeo(sdp, "sync", gfs2_quota_sync, t, + "ad_timeo, &tune->gt_quota_quantum); + + /* FIXME: This should be turned into a shrinker */ + gfs2_quota_scan(sdp); + + /* Check for & recover partially truncated inodes */ + quotad_check_trunc_list(sdp); + + if (freezing(current)) + refrigerator(); + t = min(quotad_timeo, statfs_timeo); + + prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE); + spin_lock(&sdp->sd_trunc_lock); + empty = list_empty(&sdp->sd_trunc_list); + spin_unlock(&sdp->sd_trunc_lock); + if (empty) + t -= schedule_timeout(t); + else + t = 0; + finish_wait(&sdp->sd_quota_wait, &wait); + } + + return 0; +} + diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h index 3b7f4b0e5df..cec9032be97 100644 --- a/fs/gfs2/quota.h +++ b/fs/gfs2/quota.h @@ -15,22 +15,22 @@ struct gfs2_sbd; #define NO_QUOTA_CHANGE ((u32)-1) -int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_unhold(struct gfs2_inode *ip); +extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_unhold(struct gfs2_inode *ip); -int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_unlock(struct gfs2_inode *ip); +extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_unlock(struct gfs2_inode *ip); -int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_change(struct gfs2_inode *ip, s64 change, - u32 uid, u32 gid); +extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change, + u32 uid, u32 gid); -int gfs2_quota_sync(struct gfs2_sbd *sdp); -int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); +extern int gfs2_quota_sync(struct gfs2_sbd *sdp); +extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); -int gfs2_quota_init(struct gfs2_sbd *sdp); -void gfs2_quota_scan(struct gfs2_sbd *sdp); -void gfs2_quota_cleanup(struct gfs2_sbd *sdp); +extern int gfs2_quota_init(struct gfs2_sbd *sdp); +extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp); +extern int gfs2_quotad(void *data); static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) { diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index d5e91f4f6a0..efd09c3d2b2 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -14,6 +14,8 @@ #include <linux/gfs2_ondisk.h> #include <linux/crc32.h> #include <linux/lm_interface.h> +#include <linux/kthread.h> +#include <linux/freezer.h> #include "gfs2.h" #include "incore.h" @@ -583,13 +585,35 @@ fail: return error; } +static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp) +{ + struct gfs2_jdesc *jd; + int found = 0; + + spin_lock(&sdp->sd_jindex_spin); + + list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { + if (jd->jd_dirty) { + jd->jd_dirty = 0; + found = 1; + break; + } + } + spin_unlock(&sdp->sd_jindex_spin); + + if (!found) + jd = NULL; + + return jd; +} + /** * gfs2_check_journals - Recover any dirty journals * @sdp: the filesystem * */ -void gfs2_check_journals(struct gfs2_sbd *sdp) +static void gfs2_check_journals(struct gfs2_sbd *sdp) { struct gfs2_jdesc *jd; @@ -603,3 +627,25 @@ void gfs2_check_journals(struct gfs2_sbd *sdp) } } +/** + * gfs2_recoverd - Recover dead machine's journals + * @sdp: Pointer to GFS2 superblock + * + */ + +int gfs2_recoverd(void *data) +{ + struct gfs2_sbd *sdp = data; + unsigned long t; + + while (!kthread_should_stop()) { + gfs2_check_journals(sdp); + t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; + if (freezing(current)) + refrigerator(); + schedule_timeout_interruptible(t); + } + + return 0; +} + diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h index f7235e61c72..a8218ea15b5 100644 --- a/fs/gfs2/recovery.h +++ b/fs/gfs2/recovery.h @@ -18,17 +18,17 @@ static inline void gfs2_replay_incr_blk(struct gfs2_sbd *sdp, unsigned int *blk) *blk = 0; } -int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk, +extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk, struct buffer_head **bh); -int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); -int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); -void gfs2_revoke_clean(struct gfs2_sbd *sdp); +extern int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); +extern int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); +extern void gfs2_revoke_clean(struct gfs2_sbd *sdp); -int gfs2_find_jhead(struct gfs2_jdesc *jd, +extern int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head); -int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); -void gfs2_check_journals(struct gfs2_sbd *sdp); +extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); +extern int gfs2_recoverd(void *data); #endif /* __RECOVERY_DOT_H__ */ diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 2d90fb25350..8b01c635d92 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -269,16 +269,14 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) bi->bi_len, x); } - if (count[0] != rgd->rd_rg.rg_free) { + if (count[0] != rgd->rd_free) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "free data mismatch: %u != %u\n", - count[0], rgd->rd_rg.rg_free); + count[0], rgd->rd_free); return; } - tmp = rgd->rd_data - - rgd->rd_rg.rg_free - - rgd->rd_rg.rg_dinodes; + tmp = rgd->rd_data - rgd->rd_free - rgd->rd_dinodes; if (count[1] + count[2] != tmp) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "used data mismatch: %u != %u\n", @@ -286,10 +284,10 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) return; } - if (count[3] != rgd->rd_rg.rg_dinodes) { + if (count[3] != rgd->rd_dinodes) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "used metadata mismatch: %u != %u\n", - count[3], rgd->rd_rg.rg_dinodes); + count[3], rgd->rd_dinodes); return; } @@ -501,7 +499,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp) for (rgrps = 0;; rgrps++) { loff_t pos = rgrps * sizeof(struct gfs2_rindex); - if (pos + sizeof(struct gfs2_rindex) >= ip->i_di.di_size) + if (pos + sizeof(struct gfs2_rindex) >= ip->i_disksize) break; error = gfs2_internal_read(ip, &ra_state, buf, &pos, sizeof(struct gfs2_rindex)); @@ -590,7 +588,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip) struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct inode *inode = &ip->i_inode; struct file_ra_state ra_state; - u64 rgrp_count = ip->i_di.di_size; + u64 rgrp_count = ip->i_disksize; int error; if (do_div(rgrp_count, sizeof(struct gfs2_rindex))) { @@ -634,7 +632,7 @@ static int gfs2_ri_update_special(struct gfs2_inode *ip) for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) { /* Ignore partials */ if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) > - ip->i_di.di_size) + ip->i_disksize) break; error = read_rindex_entry(ip, &ra_state); if (error) { @@ -692,7 +690,6 @@ int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh) static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) { const struct gfs2_rgrp *str = buf; - struct gfs2_rgrp_host *rg = &rgd->rd_rg; u32 rg_flags; rg_flags = be32_to_cpu(str->rg_flags); @@ -700,24 +697,23 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) rgd->rd_flags |= GFS2_RDF_NOALLOC; else rgd->rd_flags &= ~GFS2_RDF_NOALLOC; - rg->rg_free = be32_to_cpu(str->rg_free); - rg->rg_dinodes = be32_to_cpu(str->rg_dinodes); - rg->rg_igeneration = be64_to_cpu(str->rg_igeneration); + rgd->rd_free = be32_to_cpu(str->rg_free); + rgd->rd_dinodes = be32_to_cpu(str->rg_dinodes); + rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration); } static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) { struct gfs2_rgrp *str = buf; - struct gfs2_rgrp_host *rg = &rgd->rd_rg; u32 rg_flags = 0; if (rgd->rd_flags & GFS2_RDF_NOALLOC) rg_flags |= GFS2_RGF_NOALLOC; str->rg_flags = cpu_to_be32(rg_flags); - str->rg_free = cpu_to_be32(rg->rg_free); - str->rg_dinodes = cpu_to_be32(rg->rg_dinodes); + str->rg_free = cpu_to_be32(rgd->rd_free); + str->rg_dinodes = cpu_to_be32(rgd->rd_dinodes); str->__pad = cpu_to_be32(0); - str->rg_igeneration = cpu_to_be64(rg->rg_igeneration); + str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration); memset(&str->rg_reserved, 0, sizeof(str->rg_reserved)); } @@ -776,7 +772,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) } spin_lock(&sdp->sd_rindex_spin); - rgd->rd_free_clone = rgd->rd_rg.rg_free; + rgd->rd_free_clone = rgd->rd_free; rgd->rd_bh_count++; spin_unlock(&sdp->sd_rindex_spin); @@ -850,7 +846,7 @@ void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd) } spin_lock(&sdp->sd_rindex_spin); - rgd->rd_free_clone = rgd->rd_rg.rg_free; + rgd->rd_free_clone = rgd->rd_free; spin_unlock(&sdp->sd_rindex_spin); } @@ -1403,8 +1399,8 @@ u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n) block = rgd->rd_data0 + blk; ip->i_goal = block; - gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free >= *n); - rgd->rd_rg.rg_free -= *n; + gfs2_assert_withdraw(sdp, rgd->rd_free >= *n); + rgd->rd_free -= *n; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1445,10 +1441,10 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) block = rgd->rd_data0 + blk; - gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free); - rgd->rd_rg.rg_free--; - rgd->rd_rg.rg_dinodes++; - *generation = rgd->rd_rg.rg_igeneration++; + gfs2_assert_withdraw(sdp, rgd->rd_free); + rgd->rd_free--; + rgd->rd_dinodes++; + *generation = rgd->rd_igeneration++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1481,7 +1477,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) if (!rgd) return; - rgd->rd_rg.rg_free += blen; + rgd->rd_free += blen; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1509,7 +1505,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) if (!rgd) return; - rgd->rd_rg.rg_free += blen; + rgd->rd_free += blen; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1546,10 +1542,10 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) return; gfs2_assert_withdraw(sdp, rgd == tmp_rgd); - if (!rgd->rd_rg.rg_dinodes) + if (!rgd->rd_dinodes) gfs2_consist_rgrpd(rgd); - rgd->rd_rg.rg_dinodes--; - rgd->rd_rg.rg_free++; + rgd->rd_dinodes--; + rgd->rd_free++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index c3ba3d9d0aa..141b781f2fc 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -34,76 +34,6 @@ #include "util.h" /** - * gfs2_jindex_hold - Grab a lock on the jindex - * @sdp: The GFS2 superblock - * @ji_gh: the holder for the jindex glock - * - * This is very similar to the gfs2_rindex_hold() function, except that - * in general we hold the jindex lock for longer periods of time and - * we grab it far less frequently (in general) then the rgrp lock. - * - * Returns: errno - */ - -int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) -{ - struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex); - struct qstr name; - char buf[20]; - struct gfs2_jdesc *jd; - int error; - - name.name = buf; - - mutex_lock(&sdp->sd_jindex_mutex); - - for (;;) { - error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh); - if (error) - break; - - name.len = sprintf(buf, "journal%u", sdp->sd_journals); - name.hash = gfs2_disk_hash(name.name, name.len); - - error = gfs2_dir_check(sdp->sd_jindex, &name, NULL); - if (error == -ENOENT) { - error = 0; - break; - } - - gfs2_glock_dq_uninit(ji_gh); - - if (error) - break; - - error = -ENOMEM; - jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL); - if (!jd) - break; - - INIT_LIST_HEAD(&jd->extent_list); - jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1); - if (!jd->jd_inode || IS_ERR(jd->jd_inode)) { - if (!jd->jd_inode) - error = -ENOENT; - else - error = PTR_ERR(jd->jd_inode); - kfree(jd); - break; - } - - spin_lock(&sdp->sd_jindex_spin); - jd->jd_jid = sdp->sd_journals++; - list_add_tail(&jd->jd_list, &sdp->sd_jindex_list); - spin_unlock(&sdp->sd_jindex_spin); - } - - mutex_unlock(&sdp->sd_jindex_mutex); - - return error; -} - -/** * gfs2_jindex_free - Clear all the journal index information * @sdp: The GFS2 superblock * @@ -166,39 +96,6 @@ struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid) return jd; } -void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid) -{ - struct gfs2_jdesc *jd; - - spin_lock(&sdp->sd_jindex_spin); - jd = jdesc_find_i(&sdp->sd_jindex_list, jid); - if (jd) - jd->jd_dirty = 1; - spin_unlock(&sdp->sd_jindex_spin); -} - -struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp) -{ - struct gfs2_jdesc *jd; - int found = 0; - - spin_lock(&sdp->sd_jindex_spin); - - list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { - if (jd->jd_dirty) { - jd->jd_dirty = 0; - found = 1; - break; - } - } - spin_unlock(&sdp->sd_jindex_spin); - - if (!found) - jd = NULL; - - return jd; -} - int gfs2_jdesc_check(struct gfs2_jdesc *jd) { struct gfs2_inode *ip = GFS2_I(jd->jd_inode); @@ -206,14 +103,14 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd) int ar; int error; - if (ip->i_di.di_size < (8 << 20) || ip->i_di.di_size > (1 << 30) || - (ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1))) { + if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) || + (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) { gfs2_consist_inode(ip); return -EIO; } - jd->jd_blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; + jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; - error = gfs2_write_alloc_required(ip, 0, ip->i_di.di_size, &ar); + error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar); if (!error && ar) { gfs2_consist_inode(ip); error = -EIO; @@ -423,137 +320,6 @@ out: return error; } -/** - * gfs2_statfs_i - Do a statfs - * @sdp: the filesystem - * @sg: the sg structure - * - * Returns: errno - */ - -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) -{ - struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; - struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; - - spin_lock(&sdp->sd_statfs_spin); - - *sc = *m_sc; - sc->sc_total += l_sc->sc_total; - sc->sc_free += l_sc->sc_free; - sc->sc_dinodes += l_sc->sc_dinodes; - - spin_unlock(&sdp->sd_statfs_spin); - - if (sc->sc_free < 0) - sc->sc_free = 0; - if (sc->sc_free > sc->sc_total) - sc->sc_free = sc->sc_total; - if (sc->sc_dinodes < 0) - sc->sc_dinodes = 0; - - return 0; -} - -/** - * statfs_fill - fill in the sg for a given RG - * @rgd: the RG - * @sc: the sc structure - * - * Returns: 0 on success, -ESTALE if the LVB is invalid - */ - -static int statfs_slow_fill(struct gfs2_rgrpd *rgd, - struct gfs2_statfs_change_host *sc) -{ - gfs2_rgrp_verify(rgd); - sc->sc_total += rgd->rd_data; - sc->sc_free += rgd->rd_rg.rg_free; - sc->sc_dinodes += rgd->rd_rg.rg_dinodes; - return 0; -} - -/** - * gfs2_statfs_slow - Stat a filesystem using asynchronous locking - * @sdp: the filesystem - * @sc: the sc info that will be returned - * - * Any error (other than a signal) will cause this routine to fall back - * to the synchronous version. - * - * FIXME: This really shouldn't busy wait like this. - * - * Returns: errno - */ - -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) -{ - struct gfs2_holder ri_gh; - struct gfs2_rgrpd *rgd_next; - struct gfs2_holder *gha, *gh; - unsigned int slots = 64; - unsigned int x; - int done; - int error = 0, err; - - memset(sc, 0, sizeof(struct gfs2_statfs_change_host)); - gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL); - if (!gha) - return -ENOMEM; - - error = gfs2_rindex_hold(sdp, &ri_gh); - if (error) - goto out; - - rgd_next = gfs2_rgrpd_get_first(sdp); - - for (;;) { - done = 1; - - for (x = 0; x < slots; x++) { - gh = gha + x; - - if (gh->gh_gl && gfs2_glock_poll(gh)) { - err = gfs2_glock_wait(gh); - if (err) { - gfs2_holder_uninit(gh); - error = err; - } else { - if (!error) - error = statfs_slow_fill( - gh->gh_gl->gl_object, sc); - gfs2_glock_dq_uninit(gh); - } - } - - if (gh->gh_gl) - done = 0; - else if (rgd_next && !error) { - error = gfs2_glock_nq_init(rgd_next->rd_gl, - LM_ST_SHARED, - GL_ASYNC, - gh); - rgd_next = gfs2_rgrpd_get_next(rgd_next); - done = 0; - } - - if (signal_pending(current)) - error = -ERESTARTSYS; - } - - if (done) - break; - - yield(); - } - - gfs2_glock_dq_uninit(&ri_gh); - -out: - kfree(gha); - return error; -} - struct lfcc { struct list_head list; struct gfs2_holder gh; @@ -580,10 +346,6 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp, struct gfs2_log_header_host lh; int error; - error = gfs2_jindex_hold(sdp, &ji_gh); - if (error) - return error; - list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { lfcc = kmalloc(sizeof(struct lfcc), GFP_KERNEL); if (!lfcc) { diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 50a4c9b1215..f6b8b00ad88 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -10,6 +10,8 @@ #ifndef __SUPER_DOT_H__ #define __SUPER_DOT_H__ +#include <linux/fs.h> +#include <linux/dcache.h> #include "incore.h" void gfs2_lm_unmount(struct gfs2_sbd *sdp); @@ -23,12 +25,9 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) return x; } -int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh); void gfs2_jindex_free(struct gfs2_sbd *sdp); struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); -void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid); -struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp); int gfs2_jdesc_check(struct gfs2_jdesc *jd); int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, @@ -40,11 +39,15 @@ int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, s64 dinodes); int gfs2_statfs_sync(struct gfs2_sbd *sdp); -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); int gfs2_freeze_fs(struct gfs2_sbd *sdp); void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); +extern struct file_system_type gfs2_fs_type; +extern struct file_system_type gfs2meta_fs_type; +extern const struct export_operations gfs2_export_ops; +extern const struct super_operations gfs2_super_ops; +extern struct dentry_operations gfs2_dops; + #endif /* __SUPER_DOT_H__ */ diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 7e1879f1a02..26c1fa777a9 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -26,9 +26,6 @@ #include "quota.h" #include "util.h" -char *gfs2_sys_margs; -spinlock_t gfs2_sys_margs_lock; - static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { return snprintf(buf, PAGE_SIZE, "%u:%u\n", @@ -263,7 +260,6 @@ ARGS_ATTR(localcaching, "%d\n"); ARGS_ATTR(localflocks, "%d\n"); ARGS_ATTR(debug, "%d\n"); ARGS_ATTR(upgrade, "%d\n"); -ARGS_ATTR(num_glockd, "%u\n"); ARGS_ATTR(posix_acl, "%d\n"); ARGS_ATTR(quota, "%u\n"); ARGS_ATTR(suiddir, "%d\n"); @@ -279,7 +275,6 @@ static struct attribute *args_attrs[] = { &args_attr_localflocks.attr, &args_attr_debug.attr, &args_attr_upgrade.attr, - &args_attr_num_glockd.attr, &args_attr_posix_acl.attr, &args_attr_quota.attr, &args_attr_suiddir.attr, @@ -288,30 +283,6 @@ static struct attribute *args_attrs[] = { }; /* - * display counters from superblock - */ - -struct counters_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - -#define COUNTERS_ATTR(name, fmt) \ -static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ -{ \ - return snprintf(buf, PAGE_SIZE, fmt, \ - (unsigned int)atomic_read(&sdp->sd_##name)); \ -} \ -static struct counters_attr counters_attr_##name = __ATTR_RO(name) - -COUNTERS_ATTR(reclaimed, "%u\n"); - -static struct attribute *counters_attrs[] = { - &counters_attr_reclaimed.attr, - NULL, -}; - -/* * get and set struct gfs2_tune fields */ @@ -393,7 +364,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ } \ TUNE_ATTR_2(name, name##_store) -TUNE_ATTR(demote_secs, 0); TUNE_ATTR(incore_log_blocks, 0); TUNE_ATTR(log_flush_secs, 0); TUNE_ATTR(quota_warn_period, 0); @@ -408,11 +378,9 @@ TUNE_ATTR(stall_secs, 1); TUNE_ATTR(statfs_quantum, 1); TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process); TUNE_ATTR_DAEMON(logd_secs, logd_process); -TUNE_ATTR_DAEMON(quotad_secs, quotad_process); TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); static struct attribute *tune_attrs[] = { - &tune_attr_demote_secs.attr, &tune_attr_incore_log_blocks.attr, &tune_attr_log_flush_secs.attr, &tune_attr_quota_warn_period.attr, @@ -426,7 +394,6 @@ static struct attribute *tune_attrs[] = { &tune_attr_statfs_quantum.attr, &tune_attr_recoverd_secs.attr, &tune_attr_logd_secs.attr, - &tune_attr_quotad_secs.attr, &tune_attr_quota_scale.attr, &tune_attr_new_files_jdata.attr, NULL, @@ -437,11 +404,6 @@ static struct attribute_group lockstruct_group = { .attrs = lockstruct_attrs, }; -static struct attribute_group counters_group = { - .name = "counters", - .attrs = counters_attrs, -}; - static struct attribute_group args_group = { .name = "args", .attrs = args_attrs, @@ -466,13 +428,9 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) if (error) goto fail_reg; - error = sysfs_create_group(&sdp->sd_kobj, &counters_group); - if (error) - goto fail_lockstruct; - error = sysfs_create_group(&sdp->sd_kobj, &args_group); if (error) - goto fail_counters; + goto fail_lockstruct; error = sysfs_create_group(&sdp->sd_kobj, &tune_group); if (error) @@ -483,8 +441,6 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) fail_args: sysfs_remove_group(&sdp->sd_kobj, &args_group); -fail_counters: - sysfs_remove_group(&sdp->sd_kobj, &counters_group); fail_lockstruct: sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); fail_reg: @@ -498,16 +454,27 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp) { sysfs_remove_group(&sdp->sd_kobj, &tune_group); sysfs_remove_group(&sdp->sd_kobj, &args_group); - sysfs_remove_group(&sdp->sd_kobj, &counters_group); sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); kobject_put(&sdp->sd_kobj); } +static int gfs2_uevent(struct kset *kset, struct kobject *kobj, + struct kobj_uevent_env *env) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name); + add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name); + return 0; +} + +static struct kset_uevent_ops gfs2_uevent_ops = { + .uevent = gfs2_uevent, +}; + + int gfs2_sys_init(void) { - gfs2_sys_margs = NULL; - spin_lock_init(&gfs2_sys_margs_lock); - gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj); + gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj); if (!gfs2_kset) return -ENOMEM; return 0; @@ -515,7 +482,6 @@ int gfs2_sys_init(void) void gfs2_sys_uninit(void) { - kfree(gfs2_sys_margs); kset_unregister(gfs2_kset); } diff --git a/fs/gfs2/sys.h b/fs/gfs2/sys.h index 1ca8cdac530..e94560e836d 100644 --- a/fs/gfs2/sys.h +++ b/fs/gfs2/sys.h @@ -13,10 +13,6 @@ #include <linux/spinlock.h> struct gfs2_sbd; -/* Allow args to be passed to GFS2 when using an initial ram disk */ -extern char *gfs2_sys_margs; -extern spinlock_t gfs2_sys_margs_lock; - int gfs2_sys_fs_add(struct gfs2_sbd *sdp); void gfs2_sys_fs_del(struct gfs2_sbd *sdp); diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c index d31e355c61f..374f50e9549 100644 --- a/fs/gfs2/util.c +++ b/fs/gfs2/util.c @@ -25,6 +25,7 @@ struct kmem_cache *gfs2_glock_cachep __read_mostly; struct kmem_cache *gfs2_inode_cachep __read_mostly; struct kmem_cache *gfs2_bufdata_cachep __read_mostly; struct kmem_cache *gfs2_rgrpd_cachep __read_mostly; +struct kmem_cache *gfs2_quotad_cachep __read_mostly; void gfs2_assert_i(struct gfs2_sbd *sdp) { diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 7f48576289c..33e96b0ce9a 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -148,6 +148,7 @@ extern struct kmem_cache *gfs2_glock_cachep; extern struct kmem_cache *gfs2_inode_cachep; extern struct kmem_cache *gfs2_bufdata_cachep; extern struct kmem_cache *gfs2_rgrpd_cachep; +extern struct kmem_cache *gfs2_quotad_cachep; static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, unsigned int *p) diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 3a31451ac17..5c538e0ec14 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -501,7 +501,7 @@ int hostfs_write_begin(struct file *file, struct address_space *mapping, { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 7d479ce3ace..0ab0c6f5f43 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -506,7 +506,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, inode->i_mode = mode; inode->i_uid = uid; inode->i_gid = gid; - inode->i_blocks = 0; inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/inode.c b/fs/inode.c index 7de1cda9248..bd48e5e6d3e 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -131,6 +131,8 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode) inode->i_op = &empty_iops; inode->i_fop = &empty_fops; inode->i_nlink = 1; + inode->i_uid = 0; + inode->i_gid = 0; atomic_set(&inode->i_writecount, 0); inode->i_size = 0; inode->i_blocks = 0; diff --git a/fs/ioctl.c b/fs/ioctl.c index 43e8b2c0664..cc3f1aa1cf7 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -231,7 +231,8 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) #define blk_to_logical(inode, blk) (blk << (inode)->i_blkbits) #define logical_to_blk(inode, offset) (offset >> (inode)->i_blkbits); -/* +/** + * __generic_block_fiemap - FIEMAP for block based inodes (no locking) * @inode - the inode to map * @arg - the pointer to userspace where we copy everything to * @get_block - the fs's get_block function @@ -242,11 +243,15 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) * * If it is possible to have data blocks beyond a hole past @inode->i_size, then * please do not use this function, it will stop at the first unmapped block - * beyond i_size + * beyond i_size. + * + * If you use this function directly, you need to do your own locking. Use + * generic_block_fiemap if you want the locking done for you. */ -int generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len, get_block_t *get_block) + +int __generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block) { struct buffer_head tmp; unsigned int start_blk; @@ -260,9 +265,6 @@ int generic_block_fiemap(struct inode *inode, start_blk = logical_to_blk(inode, start); - /* guard against change */ - mutex_lock(&inode->i_mutex); - length = (long long)min_t(u64, len, i_size_read(inode)); map_len = length; @@ -334,14 +336,36 @@ int generic_block_fiemap(struct inode *inode, cond_resched(); } while (1); - mutex_unlock(&inode->i_mutex); - /* if ret is 1 then we just hit the end of the extent array */ if (ret == 1) ret = 0; return ret; } +EXPORT_SYMBOL(__generic_block_fiemap); + +/** + * generic_block_fiemap - FIEMAP for block based inodes + * @inode: The inode to map + * @fieinfo: The mapping information + * @start: The initial block to map + * @len: The length of the extect to attempt to map + * @get_block: The block mapping function for the fs + * + * Calls __generic_block_fiemap to map the inode, after taking + * the inode's mutex lock. + */ + +int generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block) +{ + int ret; + mutex_lock(&inode->i_mutex); + ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block); + mutex_unlock(&inode->i_mutex); + return ret; +} EXPORT_SYMBOL(generic_block_fiemap); #endif /* CONFIG_BLOCK */ diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 3f8af0f1505..6147ec3643a 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -855,10 +855,6 @@ root_found: } sbi->s_joliet_level = joliet_level; - /* check the root inode */ - if (!inode->i_op) - goto out_bad_root; - /* Make sure the root inode is a directory */ if (!S_ISDIR(inode->i_mode)) { printk(KERN_WARNING @@ -886,8 +882,6 @@ root_found: /* * Display error messages and free resources. */ -out_bad_root: - printk(KERN_WARNING "%s: root inode not initialized\n", __func__); out_iput: iput(inode); goto out_no_inode; diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index ebc667bc54a..c8a1bace685 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -509,6 +509,10 @@ void jbd2_journal_commit_transaction(journal_t *journal) if (is_journal_aborted(journal)) { clear_buffer_jbddirty(jh2bh(jh)); JBUFFER_TRACE(jh, "journal is aborting: refile"); + jbd2_buffer_abort_trigger(jh, + jh->b_frozen_data ? + jh->b_frozen_triggers : + jh->b_triggers); jbd2_journal_refile_buffer(journal, jh); /* If that was the last one, we need to clean up * any descriptor buffers which may have been @@ -844,6 +848,9 @@ restart_loop: * data. * * Otherwise, we can just throw away the frozen data now. + * + * We also know that the frozen data has already fired + * its triggers if they exist, so we can clear that too. */ if (jh->b_committed_data) { jbd2_free(jh->b_committed_data, bh->b_size); @@ -851,10 +858,12 @@ restart_loop: if (jh->b_frozen_data) { jh->b_committed_data = jh->b_frozen_data; jh->b_frozen_data = NULL; + jh->b_frozen_triggers = NULL; } } else if (jh->b_frozen_data) { jbd2_free(jh->b_frozen_data, bh->b_size); jh->b_frozen_data = NULL; + jh->b_frozen_triggers = NULL; } spin_lock(&journal->j_list_lock); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index e70d657a19f..f6bff9d6f8d 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -50,6 +50,7 @@ EXPORT_SYMBOL(jbd2_journal_unlock_updates); EXPORT_SYMBOL(jbd2_journal_get_write_access); EXPORT_SYMBOL(jbd2_journal_get_create_access); EXPORT_SYMBOL(jbd2_journal_get_undo_access); +EXPORT_SYMBOL(jbd2_journal_set_triggers); EXPORT_SYMBOL(jbd2_journal_dirty_metadata); EXPORT_SYMBOL(jbd2_journal_release_buffer); EXPORT_SYMBOL(jbd2_journal_forget); @@ -290,6 +291,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, struct page *new_page; unsigned int new_offset; struct buffer_head *bh_in = jh2bh(jh_in); + struct jbd2_buffer_trigger_type *triggers; /* * The buffer really shouldn't be locked: only the current committing @@ -314,13 +316,23 @@ repeat: done_copy_out = 1; new_page = virt_to_page(jh_in->b_frozen_data); new_offset = offset_in_page(jh_in->b_frozen_data); + triggers = jh_in->b_frozen_triggers; } else { new_page = jh2bh(jh_in)->b_page; new_offset = offset_in_page(jh2bh(jh_in)->b_data); + triggers = jh_in->b_triggers; } mapped_data = kmap_atomic(new_page, KM_USER0); /* + * Fire any commit trigger. Do this before checking for escaping, + * as the trigger may modify the magic offset. If a copy-out + * happens afterwards, it will have the correct data in the buffer. + */ + jbd2_buffer_commit_trigger(jh_in, mapped_data + new_offset, + triggers); + + /* * Check for escaping */ if (*((__be32 *)(mapped_data + new_offset)) == @@ -352,6 +364,13 @@ repeat: new_page = virt_to_page(tmp); new_offset = offset_in_page(tmp); done_copy_out = 1; + + /* + * This isn't strictly necessary, as we're using frozen + * data for the escaping, but it keeps consistency with + * b_frozen_data usage. + */ + jh_in->b_frozen_triggers = jh_in->b_triggers; } /* diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 39b7805a599..4f925a4f3d0 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -741,6 +741,12 @@ done: source = kmap_atomic(page, KM_USER0); memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size); kunmap_atomic(source, KM_USER0); + + /* + * Now that the frozen data is saved off, we need to store + * any matching triggers. + */ + jh->b_frozen_triggers = jh->b_triggers; } jbd_unlock_bh_state(bh); @@ -944,6 +950,47 @@ out: } /** + * void jbd2_journal_set_triggers() - Add triggers for commit writeout + * @bh: buffer to trigger on + * @type: struct jbd2_buffer_trigger_type containing the trigger(s). + * + * Set any triggers on this journal_head. This is always safe, because + * triggers for a committing buffer will be saved off, and triggers for + * a running transaction will match the buffer in that transaction. + * + * Call with NULL to clear the triggers. + */ +void jbd2_journal_set_triggers(struct buffer_head *bh, + struct jbd2_buffer_trigger_type *type) +{ + struct journal_head *jh = bh2jh(bh); + + jh->b_triggers = type; +} + +void jbd2_buffer_commit_trigger(struct journal_head *jh, void *mapped_data, + struct jbd2_buffer_trigger_type *triggers) +{ + struct buffer_head *bh = jh2bh(jh); + + if (!triggers || !triggers->t_commit) + return; + + triggers->t_commit(triggers, bh, mapped_data, bh->b_size); +} + +void jbd2_buffer_abort_trigger(struct journal_head *jh, + struct jbd2_buffer_trigger_type *triggers) +{ + if (!triggers || !triggers->t_abort) + return; + + triggers->t_abort(triggers, jh2bh(jh)); +} + + + +/** * int jbd2_journal_dirty_metadata() - mark a buffer as containing dirty metadata * @handle: transaction to add buffer to. * @bh: buffer to mark diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 5a98aa87c85..5edc2bf2058 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -132,7 +132,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, uint32_t pageofs = index << PAGE_CACHE_SHIFT; int ret = 0; - pg = __grab_cache_page(mapping, index); + pg = grab_cache_page_write_begin(mapping, index, flags); if (!pg) return -ENOMEM; *pagep = pg; diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index d6363d8309d..0f94381ca6d 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -58,9 +58,9 @@ /* * __mark_inode_dirty expects inodes to be hashed. Since we don't want - * special inodes in the fileset inode space, we hash them to a dummy head + * special inodes in the fileset inode space, we make them appear hashed, + * but do not put on any lists. */ -static HLIST_HEAD(aggregate_hash); /* * imap locks @@ -496,7 +496,11 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* release the page */ release_metapage(mp); - hlist_add_head(&ip->i_hash, &aggregate_hash); + /* + * that will look hashed, but won't be on any list; hlist_del() + * will work fine and require no locking. + */ + ip->i_hash.pprev = &ip->i_hash.next; return (ip); } diff --git a/fs/libfs.c b/fs/libfs.c index e960a832190..49b44099dab 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -231,7 +231,6 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name, */ root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; - root->i_uid = root->i_gid = 0; root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; dentry = d_alloc(NULL, &d_name); if (!dentry) { @@ -360,7 +359,7 @@ int simple_write_begin(struct file *file, struct address_space *mapping, index = pos >> PAGE_CACHE_SHIFT; from = pos & (PAGE_CACHE_SIZE - 1); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; @@ -436,8 +435,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files */ inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; @@ -464,8 +461,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files if (!inode) goto out; inode->i_mode = S_IFREG | files->mode; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_fop = files->ops; inode->i_ino = i; diff --git a/fs/namei.c b/fs/namei.c index dd5c9f0bf82..f05bed24242 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -257,7 +257,7 @@ int inode_permission(struct inode *inode, int mask) return -EACCES; } - if (inode->i_op && inode->i_op->permission) + if (inode->i_op->permission) retval = inode->i_op->permission(inode, mask); else retval = generic_permission(inode, mask, NULL); @@ -432,7 +432,7 @@ static int exec_permission_lite(struct inode *inode) { umode_t mode = inode->i_mode; - if (inode->i_op && inode->i_op->permission) + if (inode->i_op->permission) return -EAGAIN; if (current_fsuid() == inode->i_uid) @@ -908,9 +908,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd) inode = next.dentry->d_inode; if (!inode) goto out_dput; - err = -ENOTDIR; - if (!inode->i_op) - goto out_dput; if (inode->i_op->follow_link) { err = do_follow_link(&next, nd); @@ -920,9 +917,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd) inode = nd->path.dentry->d_inode; if (!inode) break; - err = -ENOTDIR; - if (!inode->i_op) - break; } else path_to_nameidata(&next, nd); err = -ENOTDIR; @@ -961,7 +955,7 @@ last_component: break; inode = next.dentry->d_inode; if ((lookup_flags & LOOKUP_FOLLOW) - && inode && inode->i_op && inode->i_op->follow_link) { + && inode && inode->i_op->follow_link) { err = do_follow_link(&next, nd); if (err) goto return_err; @@ -973,7 +967,7 @@ last_component: break; if (lookup_flags & LOOKUP_DIRECTORY) { err = -ENOTDIR; - if (!inode->i_op || !inode->i_op->lookup) + if (!inode->i_op->lookup) break; } goto return_base; @@ -1469,7 +1463,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode, if (error) return error; - if (!dir->i_op || !dir->i_op->create) + if (!dir->i_op->create) return -EACCES; /* shouldn't it be ENOSYS? */ mode &= S_IALLUGO; mode |= S_IFREG; @@ -1752,7 +1746,7 @@ do_last: error = -ENOENT; if (!path.dentry->d_inode) goto exit_dput; - if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link) + if (path.dentry->d_inode->i_op->follow_link) goto do_link; path_to_nameidata(&path, &nd); @@ -1933,7 +1927,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD)) return -EPERM; - if (!dir->i_op || !dir->i_op->mknod) + if (!dir->i_op->mknod) return -EPERM; error = devcgroup_inode_mknod(mode, dev); @@ -2035,7 +2029,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) if (error) return error; - if (!dir->i_op || !dir->i_op->mkdir) + if (!dir->i_op->mkdir) return -EPERM; mode &= (S_IRWXUGO|S_ISVTX); @@ -2126,7 +2120,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry) if (error) return error; - if (!dir->i_op || !dir->i_op->rmdir) + if (!dir->i_op->rmdir) return -EPERM; DQUOT_INIT(dir); @@ -2213,7 +2207,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry) if (error) return error; - if (!dir->i_op || !dir->i_op->unlink) + if (!dir->i_op->unlink) return -EPERM; DQUOT_INIT(dir); @@ -2320,7 +2314,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname) if (error) return error; - if (!dir->i_op || !dir->i_op->symlink) + if (!dir->i_op->symlink) return -EPERM; error = security_inode_symlink(dir, dentry, oldname); @@ -2401,7 +2395,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de */ if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) return -EPERM; - if (!dir->i_op || !dir->i_op->link) + if (!dir->i_op->link) return -EPERM; if (S_ISDIR(inode->i_mode)) return -EPERM; @@ -2608,7 +2602,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; - if (!old_dir->i_op || !old_dir->i_op->rename) + if (!old_dir->i_op->rename) return -EPERM; DQUOT_INIT(old_dir); @@ -2817,18 +2811,23 @@ void page_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) } } -int __page_symlink(struct inode *inode, const char *symname, int len, - gfp_t gfp_mask) +/* + * The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS + */ +int __page_symlink(struct inode *inode, const char *symname, int len, int nofs) { struct address_space *mapping = inode->i_mapping; struct page *page; void *fsdata; int err; char *kaddr; + unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE; + if (nofs) + flags |= AOP_FLAG_NOFS; retry: err = pagecache_write_begin(NULL, mapping, 0, len-1, - AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata); + flags, &page, &fsdata); if (err) goto fail; @@ -2852,7 +2851,7 @@ fail: int page_symlink(struct inode *inode, const char *symname, int len) { return __page_symlink(inode, symname, len, - mapping_gfp_mask(inode->i_mapping)); + !(mapping_gfp_mask(inode->i_mapping) & __GFP_FS)); } const struct inode_operations page_symlink_inode_operations = { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index d319b49f8f0..90f292b520d 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -354,7 +354,7 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping, file->f_path.dentry->d_name.name, mapping->host->i_ino, len, (long long) pos); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index d1c5f787b36..44aa92aba89 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -744,45 +744,16 @@ nfsd_close(struct file *filp) fput(filp); } -/* - * Sync a file - * As this calls fsync (not fdatasync) there is no need for a write_inode - * after it. - */ -static inline int nfsd_dosync(struct file *filp, struct dentry *dp, - const struct file_operations *fop) -{ - struct inode *inode = dp->d_inode; - int (*fsync) (struct file *, struct dentry *, int); - int err; - - err = filemap_fdatawrite(inode->i_mapping); - if (err == 0 && fop && (fsync = fop->fsync)) - err = fsync(filp, dp, 0); - if (err == 0) - err = filemap_fdatawait(inode->i_mapping); - - return err; -} - - static int nfsd_sync(struct file *filp) { - int err; - struct inode *inode = filp->f_path.dentry->d_inode; - dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name); - mutex_lock(&inode->i_mutex); - err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op); - mutex_unlock(&inode->i_mutex); - - return err; + return vfs_fsync(filp, filp->f_path.dentry, 0); } int -nfsd_sync_dir(struct dentry *dp) +nfsd_sync_dir(struct dentry *dentry) { - return nfsd_dosync(NULL, dp, dp->d_inode->i_fop); + return vfs_fsync(NULL, dentry, 0); } /* @@ -1211,7 +1182,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, dirp = dentry->d_inode; err = nfserr_notdir; - if(!dirp->i_op || !dirp->i_op->lookup) + if (!dirp->i_op->lookup) goto out; /* * Check whether the response file handle has been verified yet. @@ -1347,7 +1318,7 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp, /* Get all the sanity checks out of the way before * we lock the parent. */ err = nfserr_notdir; - if(!dirp->i_op || !dirp->i_op->lookup) + if (!dirp->i_op->lookup) goto out; fh_lock_nested(fhp, I_MUTEX_PARENT); @@ -1482,7 +1453,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp) inode = dentry->d_inode; err = nfserr_inval; - if (!inode->i_op || !inode->i_op->readlink) + if (!inode->i_op->readlink) goto out; touch_atime(fhp->fh_export->ex_path.mnt, dentry); @@ -2162,7 +2133,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) size_t size; int error; - if (!IS_POSIXACL(inode) || !inode->i_op || + if (!IS_POSIXACL(inode) || !inode->i_op->setxattr || !inode->i_op->removexattr) return -EOPNOTSUPP; switch(type) { diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 400f8064a54..81b8644b013 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -704,7 +704,7 @@ fput_and_out: return ret; } -asmlinkage long sys_inotify_rm_watch(int fd, u32 wd) +asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd) { struct file *filp; struct inotify_device *dev; diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index e9da092e277..86bef156cf0 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -1406,9 +1406,6 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi) ni->allocated_size = sle64_to_cpu( a->data.non_resident.allocated_size); } - /* Setup the operations for this attribute inode. */ - vi->i_op = NULL; - vi->i_fop = NULL; if (NInoMstProtected(ni)) vi->i_mapping->a_ops = &ntfs_mst_aops; else diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index 589dcdfdfe3..01596079dd6 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_OCFS2_FS_USERSPACE_CLUSTER) += ocfs2_stack_user.o ocfs2-objs := \ alloc.o \ aops.o \ + blockcheck.o \ buffer_head_io.o \ dcache.o \ dir.o \ @@ -35,8 +36,14 @@ ocfs2-objs := \ sysfile.o \ uptodate.o \ ver.o \ + quota_local.o \ + quota_global.o \ xattr.o +ifeq ($(CONFIG_OCFS2_FS_POSIX_ACL),y) +ocfs2-objs += acl.o +endif + ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o ocfs2_stack_user-objs := stack_user.o diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c new file mode 100644 index 00000000000..12dfb44c22e --- /dev/null +++ b/fs/ocfs2/acl.c @@ -0,0 +1,479 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * acl.c + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * CREDITS: + * Lots of code in this file is copy from linux/fs/ext3/acl.c. + * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/string.h> + +#define MLOG_MASK_PREFIX ML_INODE +#include <cluster/masklog.h> + +#include "ocfs2.h" +#include "alloc.h" +#include "dlmglue.h" +#include "file.h" +#include "ocfs2_fs.h" + +#include "xattr.h" +#include "acl.h" + +/* + * Convert from xattr value to acl struct. + */ +static struct posix_acl *ocfs2_acl_from_xattr(const void *value, size_t size) +{ + int n, count; + struct posix_acl *acl; + + if (!value) + return NULL; + if (size < sizeof(struct posix_acl_entry)) + return ERR_PTR(-EINVAL); + + count = size / sizeof(struct posix_acl_entry); + if (count < 0) + return ERR_PTR(-EINVAL); + if (count == 0) + return NULL; + + acl = posix_acl_alloc(count, GFP_NOFS); + if (!acl) + return ERR_PTR(-ENOMEM); + for (n = 0; n < count; n++) { + struct ocfs2_acl_entry *entry = + (struct ocfs2_acl_entry *)value; + + acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag); + acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm); + acl->a_entries[n].e_id = le32_to_cpu(entry->e_id); + value += sizeof(struct posix_acl_entry); + + } + return acl; +} + +/* + * Convert acl struct to xattr value. + */ +static void *ocfs2_acl_to_xattr(const struct posix_acl *acl, size_t *size) +{ + struct ocfs2_acl_entry *entry = NULL; + char *ocfs2_acl; + size_t n; + + *size = acl->a_count * sizeof(struct posix_acl_entry); + + ocfs2_acl = kmalloc(*size, GFP_NOFS); + if (!ocfs2_acl) + return ERR_PTR(-ENOMEM); + + entry = (struct ocfs2_acl_entry *)ocfs2_acl; + for (n = 0; n < acl->a_count; n++, entry++) { + entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag); + entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm); + entry->e_id = cpu_to_le32(acl->a_entries[n].e_id); + } + return ocfs2_acl; +} + +static struct posix_acl *ocfs2_get_acl_nolock(struct inode *inode, + int type, + struct buffer_head *di_bh) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int name_index; + char *value = NULL; + struct posix_acl *acl; + int retval; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return NULL; + + switch (type) { + case ACL_TYPE_ACCESS: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; + break; + case ACL_TYPE_DEFAULT: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT; + break; + default: + return ERR_PTR(-EINVAL); + } + + retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, "", NULL, 0); + if (retval > 0) { + value = kmalloc(retval, GFP_NOFS); + if (!value) + return ERR_PTR(-ENOMEM); + retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, + "", value, retval); + } + + if (retval > 0) + acl = ocfs2_acl_from_xattr(value, retval); + else if (retval == -ENODATA || retval == 0) + acl = NULL; + else + acl = ERR_PTR(retval); + + kfree(value); + + return acl; +} + + +/* + * Get posix acl. + */ +static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct buffer_head *di_bh = NULL; + struct posix_acl *acl; + int ret; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return NULL; + + ret = ocfs2_inode_lock(inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + acl = ERR_PTR(ret); + return acl; + } + + acl = ocfs2_get_acl_nolock(inode, type, di_bh); + + ocfs2_inode_unlock(inode, 0); + + brelse(di_bh); + + return acl; +} + +/* + * Set the access or default ACL of an inode. + */ +static int ocfs2_set_acl(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + int type, + struct posix_acl *acl, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + int name_index; + void *value = NULL; + size_t size = 0; + int ret; + + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + + switch (type) { + case ACL_TYPE_ACCESS: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; + if (acl) { + mode_t mode = inode->i_mode; + ret = posix_acl_equiv_mode(acl, &mode); + if (ret < 0) + return ret; + else { + inode->i_mode = mode; + if (ret == 0) + acl = NULL; + } + } + break; + case ACL_TYPE_DEFAULT: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT; + if (!S_ISDIR(inode->i_mode)) + return acl ? -EACCES : 0; + break; + default: + return -EINVAL; + } + + if (acl) { + value = ocfs2_acl_to_xattr(acl, &size); + if (IS_ERR(value)) + return (int)PTR_ERR(value); + } + + if (handle) + ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index, + "", value, size, 0, + meta_ac, data_ac); + else + ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0); + + kfree(value); + + return ret; +} + +int ocfs2_check_acl(struct inode *inode, int mask) +{ + struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl) { + int ret = posix_acl_permission(inode, acl, mask); + posix_acl_release(acl); + return ret; + } + + return -EAGAIN; +} + +int ocfs2_acl_chmod(struct inode *inode) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl, *clone; + int ret; + + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + if (IS_ERR(acl) || !acl) + return PTR_ERR(acl); + clone = posix_acl_clone(acl, GFP_KERNEL); + posix_acl_release(acl); + if (!clone) + return -ENOMEM; + ret = posix_acl_chmod_masq(clone, inode->i_mode); + if (!ret) + ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS, + clone, NULL, NULL); + posix_acl_release(clone); + return ret; +} + +/* + * Initialize the ACLs of a new inode. If parent directory has default ACL, + * then clone to new inode. Called from ocfs2_mknod. + */ +int ocfs2_init_acl(handle_t *handle, + struct inode *inode, + struct inode *dir, + struct buffer_head *di_bh, + struct buffer_head *dir_bh, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl = NULL; + int ret = 0; + + if (!S_ISLNK(inode->i_mode)) { + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) { + acl = ocfs2_get_acl_nolock(dir, ACL_TYPE_DEFAULT, + dir_bh); + if (IS_ERR(acl)) + return PTR_ERR(acl); + } + if (!acl) + inode->i_mode &= ~current->fs->umask; + } + if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) { + struct posix_acl *clone; + mode_t mode; + + if (S_ISDIR(inode->i_mode)) { + ret = ocfs2_set_acl(handle, inode, di_bh, + ACL_TYPE_DEFAULT, acl, + meta_ac, data_ac); + if (ret) + goto cleanup; + } + clone = posix_acl_clone(acl, GFP_NOFS); + ret = -ENOMEM; + if (!clone) + goto cleanup; + + mode = inode->i_mode; + ret = posix_acl_create_masq(clone, &mode); + if (ret >= 0) { + inode->i_mode = mode; + if (ret > 0) { + ret = ocfs2_set_acl(handle, inode, + di_bh, ACL_TYPE_ACCESS, + clone, meta_ac, data_ac); + } + } + posix_acl_release(clone); + } +cleanup: + posix_acl_release(acl); + return ret; +} + +static size_t ocfs2_xattr_list_acl_access(struct inode *inode, + char *list, + size_t list_len, + const char *name, + size_t name_len) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + if (list && size <= list_len) + memcpy(list, POSIX_ACL_XATTR_ACCESS, size); + return size; +} + +static size_t ocfs2_xattr_list_acl_default(struct inode *inode, + char *list, + size_t list_len, + const char *name, + size_t name_len) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + if (list && size <= list_len) + memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); + return size; +} + +static int ocfs2_xattr_get_acl(struct inode *inode, + int type, + void *buffer, + size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl; + int ret; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return -EOPNOTSUPP; + + acl = ocfs2_get_acl(inode, type); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl == NULL) + return -ENODATA; + ret = posix_acl_to_xattr(acl, buffer, size); + posix_acl_release(acl); + + return ret; +} + +static int ocfs2_xattr_get_acl_access(struct inode *inode, + const char *name, + void *buffer, + size_t size) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); +} + +static int ocfs2_xattr_get_acl_default(struct inode *inode, + const char *name, + void *buffer, + size_t size) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); +} + +static int ocfs2_xattr_set_acl(struct inode *inode, + int type, + const void *value, + size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl; + int ret = 0; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return -EOPNOTSUPP; + + if (!is_owner_or_cap(inode)) + return -EPERM; + + if (value) { + acl = posix_acl_from_xattr(value, size); + if (IS_ERR(acl)) + return PTR_ERR(acl); + else if (acl) { + ret = posix_acl_valid(acl); + if (ret) + goto cleanup; + } + } else + acl = NULL; + + ret = ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL); + +cleanup: + posix_acl_release(acl); + return ret; +} + +static int ocfs2_xattr_set_acl_access(struct inode *inode, + const char *name, + const void *value, + size_t size, + int flags) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); +} + +static int ocfs2_xattr_set_acl_default(struct inode *inode, + const char *name, + const void *value, + size_t size, + int flags) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); +} + +struct xattr_handler ocfs2_xattr_acl_access_handler = { + .prefix = POSIX_ACL_XATTR_ACCESS, + .list = ocfs2_xattr_list_acl_access, + .get = ocfs2_xattr_get_acl_access, + .set = ocfs2_xattr_set_acl_access, +}; + +struct xattr_handler ocfs2_xattr_acl_default_handler = { + .prefix = POSIX_ACL_XATTR_DEFAULT, + .list = ocfs2_xattr_list_acl_default, + .get = ocfs2_xattr_get_acl_default, + .set = ocfs2_xattr_set_acl_default, +}; diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h new file mode 100644 index 00000000000..8f6389ed4da --- /dev/null +++ b/fs/ocfs2/acl.h @@ -0,0 +1,58 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * acl.h + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef OCFS2_ACL_H +#define OCFS2_ACL_H + +#include <linux/posix_acl_xattr.h> + +struct ocfs2_acl_entry { + __le16 e_tag; + __le16 e_perm; + __le32 e_id; +}; + +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + +extern int ocfs2_check_acl(struct inode *, int); +extern int ocfs2_acl_chmod(struct inode *); +extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *, + struct buffer_head *, struct buffer_head *, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); + +#else /* CONFIG_OCFS2_FS_POSIX_ACL*/ + +#define ocfs2_check_acl NULL +static inline int ocfs2_acl_chmod(struct inode *inode) +{ + return 0; +} +static inline int ocfs2_init_acl(handle_t *handle, + struct inode *inode, + struct inode *dir, + struct buffer_head *di_bh, + struct buffer_head *dir_bh, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + return 0; +} + +#endif /* CONFIG_OCFS2_FS_POSIX_ACL*/ + +#endif /* OCFS2_ACL_H */ diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 0cc2deb9394..54ff4c77aaa 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/swap.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_DISK_ALLOC #include <cluster/masklog.h> @@ -36,6 +37,7 @@ #include "alloc.h" #include "aops.h" +#include "blockcheck.h" #include "dlmglue.h" #include "extent_map.h" #include "inode.h" @@ -46,6 +48,7 @@ #include "file.h" #include "super.h" #include "uptodate.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -187,20 +190,12 @@ static int ocfs2_dinode_insert_check(struct inode *inode, static int ocfs2_dinode_sanity_check(struct inode *inode, struct ocfs2_extent_tree *et) { - int ret = 0; - struct ocfs2_dinode *di; + struct ocfs2_dinode *di = et->et_object; BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); - di = et->et_object; - if (!OCFS2_IS_VALID_DINODE(di)) { - ret = -EIO; - ocfs2_error(inode->i_sb, - "Inode %llu has invalid path root", - (unsigned long long)OCFS2_I(inode)->ip_blkno); - } - - return ret; + return 0; } static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) @@ -213,36 +208,33 @@ static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) { - struct ocfs2_xattr_value_root *xv = et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - et->et_root_el = &xv->xr_list; + et->et_root_el = &vb->vb_xv->xr_list; } static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - xv->xr_last_eb_blk = cpu_to_le64(blkno); + vb->vb_xv->xr_last_eb_blk = cpu_to_le64(blkno); } static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - return le64_to_cpu(xv->xr_last_eb_blk); + return le64_to_cpu(vb->vb_xv->xr_last_eb_blk); } static void ocfs2_xattr_value_update_clusters(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - le32_add_cpu(&xv->xr_clusters, clusters); + le32_add_cpu(&vb->vb_xv->xr_clusters, clusters); } static struct ocfs2_extent_tree_operations ocfs2_xattr_value_et_ops = { @@ -304,11 +296,13 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { static void __ocfs2_init_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh, + ocfs2_journal_access_func access, void *obj, struct ocfs2_extent_tree_operations *ops) { et->et_ops = ops; et->et_root_bh = bh; + et->et_root_journal_access = access; if (!obj) obj = (void *)bh->b_data; et->et_object = obj; @@ -324,23 +318,23 @@ void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh) { - __ocfs2_init_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_di, + NULL, &ocfs2_dinode_et_ops); } void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh) { - __ocfs2_init_extent_tree(et, inode, bh, NULL, - &ocfs2_xattr_tree_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_xb, + NULL, &ocfs2_xattr_tree_et_ops); } void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_buf *vb) { - __ocfs2_init_extent_tree(et, inode, bh, xv, + __ocfs2_init_extent_tree(et, inode, vb->vb_bh, vb->vb_access, vb, &ocfs2_xattr_value_et_ops); } @@ -362,6 +356,15 @@ static inline void ocfs2_et_update_clusters(struct inode *inode, et->et_ops->eo_update_clusters(inode, et, clusters); } +static inline int ocfs2_et_root_journal_access(handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + int type) +{ + return et->et_root_journal_access(handle, inode, et->et_root_bh, + type); +} + static inline int ocfs2_et_insert_check(struct inode *inode, struct ocfs2_extent_tree *et, struct ocfs2_extent_rec *rec) @@ -402,12 +405,14 @@ struct ocfs2_path_item { #define OCFS2_MAX_PATH_DEPTH 5 struct ocfs2_path { - int p_tree_depth; - struct ocfs2_path_item p_node[OCFS2_MAX_PATH_DEPTH]; + int p_tree_depth; + ocfs2_journal_access_func p_root_access; + struct ocfs2_path_item p_node[OCFS2_MAX_PATH_DEPTH]; }; #define path_root_bh(_path) ((_path)->p_node[0].bh) #define path_root_el(_path) ((_path)->p_node[0].el) +#define path_root_access(_path)((_path)->p_root_access) #define path_leaf_bh(_path) ((_path)->p_node[(_path)->p_tree_depth].bh) #define path_leaf_el(_path) ((_path)->p_node[(_path)->p_tree_depth].el) #define path_num_items(_path) ((_path)->p_tree_depth + 1) @@ -440,6 +445,8 @@ static void ocfs2_reinit_path(struct ocfs2_path *path, int keep_root) */ if (keep_root) depth = le16_to_cpu(path_root_el(path)->l_tree_depth); + else + path_root_access(path) = NULL; path->p_tree_depth = depth; } @@ -465,6 +472,7 @@ static void ocfs2_cp_path(struct ocfs2_path *dest, struct ocfs2_path *src) BUG_ON(path_root_bh(dest) != path_root_bh(src)); BUG_ON(path_root_el(dest) != path_root_el(src)); + BUG_ON(path_root_access(dest) != path_root_access(src)); ocfs2_reinit_path(dest, 1); @@ -486,6 +494,7 @@ static void ocfs2_mv_path(struct ocfs2_path *dest, struct ocfs2_path *src) int i; BUG_ON(path_root_bh(dest) != path_root_bh(src)); + BUG_ON(path_root_access(dest) != path_root_access(src)); for(i = 1; i < OCFS2_MAX_PATH_DEPTH; i++) { brelse(dest->p_node[i].bh); @@ -521,7 +530,8 @@ static inline void ocfs2_path_insert_eb(struct ocfs2_path *path, int index, } static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el) + struct ocfs2_extent_list *root_el, + ocfs2_journal_access_func access) { struct ocfs2_path *path; @@ -533,11 +543,48 @@ static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, get_bh(root_bh); path_root_bh(path) = root_bh; path_root_el(path) = root_el; + path_root_access(path) = access; } return path; } +static struct ocfs2_path *ocfs2_new_path_from_path(struct ocfs2_path *path) +{ + return ocfs2_new_path(path_root_bh(path), path_root_el(path), + path_root_access(path)); +} + +static struct ocfs2_path *ocfs2_new_path_from_et(struct ocfs2_extent_tree *et) +{ + return ocfs2_new_path(et->et_root_bh, et->et_root_el, + et->et_root_journal_access); +} + +/* + * Journal the buffer at depth idx. All idx>0 are extent_blocks, + * otherwise it's the root_access function. + * + * I don't like the way this function's name looks next to + * ocfs2_journal_access_path(), but I don't have a better one. + */ +static int ocfs2_path_bh_journal_access(handle_t *handle, + struct inode *inode, + struct ocfs2_path *path, + int idx) +{ + ocfs2_journal_access_func access = path_root_access(path); + + if (!access) + access = ocfs2_journal_access; + + if (idx) + access = ocfs2_journal_access_eb; + + return access(handle, inode, path->p_node[idx].bh, + OCFS2_JOURNAL_ACCESS_WRITE); +} + /* * Convenience function to journal all components in a path. */ @@ -550,8 +597,7 @@ static int ocfs2_journal_access_path(struct inode *inode, handle_t *handle, goto out; for(i = 0; i < path_num_items(path); i++) { - ret = ocfs2_journal_access(handle, inode, path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, path, i); if (ret < 0) { mlog_errno(ret); goto out; @@ -686,6 +732,80 @@ struct ocfs2_merge_ctxt { int c_split_covers_rec; }; +static int ocfs2_validate_extent_block(struct super_block *sb, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_extent_block *eb = + (struct ocfs2_extent_block *)bh->b_data; + + mlog(0, "Validating extent block %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check); + if (rc) { + mlog(ML_ERROR, "Checksum failed for extent block %llu\n", + (unsigned long long)bh->b_blocknr); + return rc; + } + + /* + * Errors after here are fatal. + */ + + if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { + ocfs2_error(sb, + "Extent block #%llu has bad signature %.*s", + (unsigned long long)bh->b_blocknr, 7, + eb->h_signature); + return -EINVAL; + } + + if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) { + ocfs2_error(sb, + "Extent block #%llu has an invalid h_blkno " + "of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(eb->h_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(eb->h_fs_generation) != OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Extent block #%llu has an invalid " + "h_fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(eb->h_fs_generation)); + return -EINVAL; + } + + return 0; +} + +int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno, + struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, eb_blkno, &tmp, + ocfs2_validate_extent_block); + + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; + + return rc; +} + + /* * How many free extents have we got before we need more meta data? */ @@ -705,8 +825,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, last_eb_blk = ocfs2_et_get_last_eb_blk(et); if (last_eb_blk) { - retval = ocfs2_read_block(inode, last_eb_blk, - &eb_bh); + retval = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh); if (retval < 0) { mlog_errno(retval); goto bail; @@ -768,8 +887,8 @@ static int ocfs2_create_new_meta_bhs(struct ocfs2_super *osb, } ocfs2_set_new_buffer_uptodate(inode, bhs[i]); - status = ocfs2_journal_access(handle, inode, bhs[i], - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, bhs[i], + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -908,15 +1027,12 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, for(i = 0; i < new_blocks; i++) { bh = new_eb_bhs[i]; eb = (struct ocfs2_extent_block *) bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } + /* ocfs2_create_new_meta_bhs() should create it right! */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); eb_el = &eb->h_list; - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -955,21 +1071,21 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, * journal_dirty erroring as it won't unless we've aborted the * handle (in which case we would never be here) so reserving * the write with journal_access is all we need to do. */ - status = ocfs2_journal_access(handle, inode, *last_eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, *last_eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; } - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; } if (eb_bh) { - status = ocfs2_journal_access(handle, inode, eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1052,17 +1168,14 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, } eb = (struct ocfs2_extent_block *) new_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } + /* ocfs2_create_new_meta_bhs() should create it right! */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); eb_el = &eb->h_list; root_el = et->et_root_el; - status = ocfs2_journal_access(handle, inode, new_eb_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, new_eb_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -1080,8 +1193,8 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1176,18 +1289,13 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, brelse(bh); bh = NULL; - status = ocfs2_read_block(inode, blkno, &bh); + status = ocfs2_read_extent_block(inode, blkno, &bh); if (status < 0) { mlog_errno(status); goto bail; } eb = (struct ocfs2_extent_block *) bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } el = &eb->h_list; if (le16_to_cpu(el->l_next_free_rec) < @@ -1540,7 +1648,7 @@ static int __ocfs2_find_path(struct inode *inode, brelse(bh); bh = NULL; - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_extent_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -1548,11 +1656,6 @@ static int __ocfs2_find_path(struct inode *inode, eb = (struct ocfs2_extent_block *) bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EIO; - goto out; - } if (le16_to_cpu(el->l_next_free_rec) > le16_to_cpu(el->l_count)) { @@ -1860,25 +1963,23 @@ static int ocfs2_rotate_subtree_right(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; } for(i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -2102,8 +2203,7 @@ static int ocfs2_rotate_tree_right(struct inode *inode, *ret_left_path = NULL; - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2398,9 +2498,9 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, return -EAGAIN; if (le16_to_cpu(right_leaf_el->l_next_free_rec) > 1) { - ret = ocfs2_journal_access(handle, inode, - path_leaf_bh(right_path), - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_eb(handle, inode, + path_leaf_bh(right_path), + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -2417,8 +2517,8 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, * We have to update i_last_eb_blk during the meta * data delete. */ - ret = ocfs2_journal_access(handle, inode, et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -2433,25 +2533,23 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, */ BUG_ON(right_has_empty && !del_right_subtree); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; } for(i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -2596,16 +2694,17 @@ out: static int ocfs2_rotate_rightmost_leaf_left(struct inode *inode, handle_t *handle, - struct buffer_head *bh, - struct ocfs2_extent_list *el) + struct ocfs2_path *path) { int ret; + struct buffer_head *bh = path_leaf_bh(path); + struct ocfs2_extent_list *el = path_leaf_el(path); if (!ocfs2_is_empty_extent(&el->l_recs[0])) return 0; - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, path, + path_num_items(path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -2644,8 +2743,7 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, goto out; } - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2654,8 +2752,7 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, ocfs2_cp_path(left_path, path); - right_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + right_path = ocfs2_new_path_from_path(path); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2689,9 +2786,8 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, * Caller might still want to make changes to the * tree root, so re-add it to the journal here. */ - ret = ocfs2_journal_access(handle, inode, - path_root_bh(left_path), - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, 0); if (ret) { mlog_errno(ret); goto out; @@ -2785,8 +2881,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, * We have a path to the left of this one - it needs * an update too. */ - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2875,8 +2970,7 @@ rightmost_no_delete: * it up front. */ ret = ocfs2_rotate_rightmost_leaf_left(inode, handle, - path_leaf_bh(path), - path_leaf_el(path)); + path); if (ret) mlog_errno(ret); goto out; @@ -3027,8 +3121,7 @@ static int ocfs2_get_right_path(struct inode *inode, /* This function shouldn't be called for the rightmost leaf. */ BUG_ON(right_cpos == 0); - right_path = ocfs2_new_path(path_root_bh(left_path), - path_root_el(left_path)); + right_path = ocfs2_new_path_from_path(left_path); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3111,8 +3204,8 @@ static int ocfs2_merge_rec_right(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; @@ -3120,17 +3213,15 @@ static int ocfs2_merge_rec_right(struct inode *inode, for (i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -3142,8 +3233,8 @@ static int ocfs2_merge_rec_right(struct inode *inode, right_rec = &el->l_recs[index + 1]; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, left_path, + path_num_items(left_path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -3199,8 +3290,7 @@ static int ocfs2_get_left_path(struct inode *inode, /* This function shouldn't be called for the leftmost leaf. */ BUG_ON(left_cpos == 0); - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3283,8 +3373,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; @@ -3292,17 +3382,15 @@ static int ocfs2_merge_rec_left(struct inode *inode, for (i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -3314,8 +3402,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, has_empty_extent = 1; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + path_num_items(right_path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -3732,8 +3820,7 @@ static int ocfs2_append_rec_to_path(struct inode *inode, handle_t *handle, * leftmost leaf. */ if (left_cpos) { - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3958,8 +4045,8 @@ static int ocfs2_do_insert_extent(struct inode *inode, el = et->et_root_el; - ret = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -3970,7 +4057,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, goto out_update_clusters; } - right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + right_path = ocfs2_new_path_from_et(et); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4020,8 +4107,8 @@ static int ocfs2_do_insert_extent(struct inode *inode, * ocfs2_rotate_tree_right() might have extended the * transaction without re-journaling our tree root. */ - ret = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -4082,8 +4169,7 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, goto out; if (left_cpos != 0) { - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) goto out; @@ -4097,8 +4183,15 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, le16_to_cpu(new_el->l_count)) { bh = path_leaf_bh(left_path); eb = (struct ocfs2_extent_block *)bh->b_data; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, - eb); + ocfs2_error(inode->i_sb, + "Extent block #%llu has an " + "invalid l_next_free_rec of " + "%d. It should have " + "matched the l_count of %d", + (unsigned long long)le64_to_cpu(eb->h_blkno), + le16_to_cpu(new_el->l_next_free_rec), + le16_to_cpu(new_el->l_count)); + status = -EINVAL; goto out; } rec = &new_el->l_recs[ @@ -4132,8 +4225,7 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, if (right_cpos == 0) goto out; - right_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + right_path = ocfs2_new_path_from_path(path); if (!right_path) goto out; @@ -4147,8 +4239,12 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, if (le16_to_cpu(new_el->l_next_free_rec) <= 1) { bh = path_leaf_bh(right_path); eb = (struct ocfs2_extent_block *)bh->b_data; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, - eb); + ocfs2_error(inode->i_sb, + "Extent block #%llu has an " + "invalid l_next_free_rec of %d", + (unsigned long long)le64_to_cpu(eb->h_blkno), + le16_to_cpu(new_el->l_next_free_rec)); + status = -EINVAL; goto out; } rec = &new_el->l_recs[1]; @@ -4294,7 +4390,9 @@ static int ocfs2_figure_insert_type(struct inode *inode, * ocfs2_figure_insert_type() and ocfs2_add_branch() * may want it later. */ - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), &bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &bh); if (ret) { mlog_exit(ret); goto out; @@ -4320,7 +4418,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, return 0; } - path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + path = ocfs2_new_path_from_et(et); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -4531,9 +4629,9 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, BUG_ON(num_bits > clusters_to_add); - /* reserve our write early -- insert_extent may update the inode */ - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + /* reserve our write early -- insert_extent may update the tree root */ + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -4760,20 +4858,15 @@ static int __ocfs2_mark_extent_written(struct inode *inode, if (path->p_tree_depth) { struct ocfs2_extent_block *eb; - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret) { mlog_exit(ret); goto out; } eb = (struct ocfs2_extent_block *) last_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EROFS; - goto out; - } - rightmost_el = &eb->h_list; } else rightmost_el = path_root_el(path); @@ -4854,7 +4947,7 @@ int ocfs2_mark_extent_written(struct inode *inode, if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + left_path = ocfs2_new_path_from_et(et); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4918,8 +5011,9 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, depth = path->p_tree_depth; if (depth > 0) { - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -5025,8 +5119,7 @@ static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle, } if (left_cpos && le16_to_cpu(el->l_next_free_rec) > 1) { - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -5135,7 +5228,7 @@ int ocfs2_remove_extent(struct inode *inode, ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + path = ocfs2_new_path_from_et(et); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -5255,6 +5348,78 @@ out: return ret; } +int ocfs2_remove_btree_range(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, u32 phys_cpos, u32 len, + struct ocfs2_cached_dealloc_ctxt *dealloc) +{ + int ret; + u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + struct ocfs2_alloc_context *meta_ac = NULL; + + ret = ocfs2_lock_allocators(inode, et, 0, 1, NULL, &meta_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb)); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_remove_extent(inode, et, cpos, len, handle, meta_ac, + dealloc); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ocfs2_et_update_clusters(inode, et, -len); + + ret = ocfs2_journal_dirty(handle, et->et_root_bh); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); + if (ret) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + mutex_unlock(&tl_inode->i_mutex); + + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + + return ret; +} + int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb) { struct buffer_head *tl_bh = osb->osb_tl_bh; @@ -5308,13 +5473,13 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb, start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk); di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, di); - status = -EIO; - goto bail; - } + /* tl_bh is loaded from ocfs2_truncate_log_init(). It's validated + * by the underlying call to ocfs2_read_inode_block(), so any + * corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; tl_count = le16_to_cpu(tl->tl_count); mlog_bug_on_msg(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0, @@ -5332,8 +5497,8 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, tl_inode, tl_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, tl_inode, tl_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -5394,8 +5559,8 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb, while (i >= 0) { /* Caller has given us at least enough credits to * update the truncate log dinode */ - status = ocfs2_journal_access(handle, tl_inode, tl_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, tl_inode, tl_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -5464,13 +5629,13 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb) BUG_ON(mutex_trylock(&tl_inode->i_mutex)); di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, di); - status = -EIO; - goto out; - } + /* tl_bh is loaded from ocfs2_truncate_log_init(). It's validated + * by the underlying call to ocfs2_read_inode_block(), so any + * corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; num_to_flush = le16_to_cpu(tl->tl_used); mlog(0, "Flush %u records from truncate log #%llu\n", num_to_flush, (unsigned long long)OCFS2_I(tl_inode)->ip_blkno); @@ -5586,7 +5751,7 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { iput(inode); mlog_errno(status); @@ -5625,13 +5790,13 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb, } di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(tl_inode->i_sb, di); - status = -EIO; - goto bail; - } + /* tl_bh is loaded from ocfs2_get_truncate_log_info(). It's + * validated by the underlying call to ocfs2_read_inode_block(), + * so any corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; if (le16_to_cpu(tl->tl_used)) { mlog(0, "We'll have %u logs to recover\n", le16_to_cpu(tl->tl_used)); @@ -5651,6 +5816,7 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb, * tl_used. */ tl->tl_used = 0; + ocfs2_compute_meta_ecc(osb->sb, tl_bh->b_data, &di->i_check); status = ocfs2_write_block(osb, tl_bh, tl_inode); if (status < 0) { mlog_errno(status); @@ -5800,7 +5966,10 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb) */ /* - * Describes a single block free from a suballocator + * Describe a single bit freed from a suballocator. For the block + * suballocators, it represents one block. For the global cluster + * allocator, it represents some clusters and free_bit indicates + * clusters number. */ struct ocfs2_cached_block_free { struct ocfs2_cached_block_free *free_next; @@ -5815,10 +5984,10 @@ struct ocfs2_per_slot_free_list { struct ocfs2_cached_block_free *f_first; }; -static int ocfs2_free_cached_items(struct ocfs2_super *osb, - int sysfile_type, - int slot, - struct ocfs2_cached_block_free *head) +static int ocfs2_free_cached_blocks(struct ocfs2_super *osb, + int sysfile_type, + int slot, + struct ocfs2_cached_block_free *head) { int ret; u64 bg_blkno; @@ -5893,6 +6062,82 @@ out: return ret; } +int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, + u64 blkno, unsigned int bit) +{ + int ret = 0; + struct ocfs2_cached_block_free *item; + + item = kmalloc(sizeof(*item), GFP_NOFS); + if (item == NULL) { + ret = -ENOMEM; + mlog_errno(ret); + return ret; + } + + mlog(0, "Insert clusters: (bit %u, blk %llu)\n", + bit, (unsigned long long)blkno); + + item->free_blk = blkno; + item->free_bit = bit; + item->free_next = ctxt->c_global_allocator; + + ctxt->c_global_allocator = item; + return ret; +} + +static int ocfs2_free_cached_clusters(struct ocfs2_super *osb, + struct ocfs2_cached_block_free *head) +{ + struct ocfs2_cached_block_free *tmp; + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + int ret = 0; + + mutex_lock(&tl_inode->i_mutex); + + while (head) { + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + break; + } + } + + handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + break; + } + + ret = ocfs2_truncate_log_append(osb, handle, head->free_blk, + head->free_bit); + + ocfs2_commit_trans(osb, handle); + tmp = head; + head = head->free_next; + kfree(tmp); + + if (ret < 0) { + mlog_errno(ret); + break; + } + } + + mutex_unlock(&tl_inode->i_mutex); + + while (head) { + /* Premature exit may have left some dangling items. */ + tmp = head; + head = head->free_next; + kfree(tmp); + } + + return ret; +} + int ocfs2_run_deallocs(struct ocfs2_super *osb, struct ocfs2_cached_dealloc_ctxt *ctxt) { @@ -5908,8 +6153,10 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb, if (fl->f_first) { mlog(0, "Free items: (type %u, slot %d)\n", fl->f_inode_type, fl->f_slot); - ret2 = ocfs2_free_cached_items(osb, fl->f_inode_type, - fl->f_slot, fl->f_first); + ret2 = ocfs2_free_cached_blocks(osb, + fl->f_inode_type, + fl->f_slot, + fl->f_first); if (ret2) mlog_errno(ret2); if (!ret) @@ -5920,6 +6167,17 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb, kfree(fl); } + if (ctxt->c_global_allocator) { + ret2 = ocfs2_free_cached_clusters(osb, + ctxt->c_global_allocator); + if (ret2) + mlog_errno(ret2); + if (!ret) + ret = ret2; + + ctxt->c_global_allocator = NULL; + } + return ret; } @@ -6075,11 +6333,10 @@ static int ocfs2_find_new_last_ext_blk(struct inode *inode, eb = (struct ocfs2_extent_block *) bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EROFS; - goto out; - } + + /* ocfs2_find_leaf() gets the eb from ocfs2_read_extent_block(). + * Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); *new_last_eb = bh; get_bh(*new_last_eb); @@ -6326,8 +6583,8 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb, } if (last_eb_bh) { - status = ocfs2_journal_access(handle, inode, last_eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, last_eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -6350,6 +6607,8 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb, goto bail; } + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_del)); spin_lock(&OCFS2_I(inode)->ip_lock); OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) - clusters_to_del; @@ -6436,11 +6695,6 @@ static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle, mlog_errno(ret); else if (ocfs2_should_order_data(inode)) { ret = ocfs2_jbd2_file_inode(handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - ret = walk_page_buffers(handle, page_buffers(page), - from, to, &partial, - ocfs2_journal_dirty_data); -#endif if (ret < 0) mlog_errno(ret); } @@ -6663,6 +6917,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, struct page **pages = NULL; loff_t end = osb->s_clustersize; struct ocfs2_extent_tree et; + int did_quota = 0; has_data = i_size_read(inode) ? 1 : 0; @@ -6682,15 +6937,16 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, } } - handle = ocfs2_start_trans(osb, OCFS2_INLINE_TO_EXTENTS_CREDITS); + handle = ocfs2_start_trans(osb, + ocfs2_inline_to_extents_credits(osb->sb)); if (IS_ERR(handle)) { ret = PTR_ERR(handle); mlog_errno(ret); goto out_unlock; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -6701,6 +6957,13 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, unsigned int page_end; u64 phys; + if (vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1))) { + ret = -EDQUOT; + goto out_commit; + } + did_quota = 1; + ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &num); if (ret) { @@ -6774,6 +7037,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, } out_commit: + if (ret < 0 && did_quota) + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1)); + ocfs2_commit_trans(osb, handle); out_unlock: @@ -6813,7 +7080,8 @@ int ocfs2_commit_truncate(struct ocfs2_super *osb, new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb, i_size_read(inode)); - path = ocfs2_new_path(fe_bh, &di->id2.i_list); + path = ocfs2_new_path(fe_bh, &di->id2.i_list, + ocfs2_journal_access_di); if (!path) { status = -ENOMEM; mlog_errno(status); @@ -6984,20 +7252,14 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb, ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc); if (fe->id2.i_list.l_tree_depth) { - status = ocfs2_read_block(inode, le64_to_cpu(fe->i_last_eb_blk), - &last_eb_bh); + status = ocfs2_read_extent_block(inode, + le64_to_cpu(fe->i_last_eb_blk), + &last_eb_bh); if (status < 0) { mlog_errno(status); goto bail; } eb = (struct ocfs2_extent_block *) last_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - - brelse(last_eb_bh); - status = -EIO; - goto bail; - } } (*tc)->tc_last_eb_bh = last_eb_bh; @@ -7052,8 +7314,8 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh, goto out; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 70257c84cfb..cceff5c37f4 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -45,7 +45,9 @@ * * ocfs2_extent_tree contains info for the root of the b-tree, it must have a * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree - * functions. + * functions. With metadata ecc, we now call different journal_access + * functions for each type of metadata, so it must have the + * root_journal_access function. * ocfs2_extent_tree_operations abstract the normal operations we do for * the root of extent b-tree. */ @@ -54,6 +56,7 @@ struct ocfs2_extent_tree { struct ocfs2_extent_tree_operations *et_ops; struct buffer_head *et_root_bh; struct ocfs2_extent_list *et_root_el; + ocfs2_journal_access_func et_root_journal_access; void *et_object; unsigned int et_max_leaf_clusters; }; @@ -68,10 +71,18 @@ void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh); +struct ocfs2_xattr_value_buf; void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv); + struct ocfs2_xattr_value_buf *vb); + +/* + * Read an extent block into *bh. If *bh is NULL, a bh will be + * allocated. This is a cached read. The extent block will be validated + * with ocfs2_validate_extent_block(). + */ +int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno, + struct buffer_head **bh); struct ocfs2_alloc_context; int ocfs2_insert_extent(struct ocfs2_super *osb, @@ -110,6 +121,11 @@ int ocfs2_remove_extent(struct inode *inode, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_remove_btree_range(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, u32 phys_cpos, u32 len, + struct ocfs2_cached_dealloc_ctxt *dealloc); + int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct ocfs2_extent_tree *et); @@ -167,10 +183,18 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb); */ struct ocfs2_cached_dealloc_ctxt { struct ocfs2_per_slot_free_list *c_first_suballocator; + struct ocfs2_cached_block_free *c_global_allocator; }; static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c) { c->c_first_suballocator = NULL; + c->c_global_allocator = NULL; +} +int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, + u64 blkno, unsigned int bit); +static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c) +{ + return c->c_global_allocator != NULL; } int ocfs2_run_deallocs(struct ocfs2_super *osb, struct ocfs2_cached_dealloc_ctxt *ctxt); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index c22543b3342..a067a6cffb0 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -27,6 +27,7 @@ #include <linux/swap.h> #include <linux/pipe_fs_i.h> #include <linux/mpage.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_FILE_IO #include <cluster/masklog.h> @@ -68,20 +69,13 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { mlog_errno(status); goto bail; } fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n", - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature); - goto bail; - } - if ((u64)iblock >= ocfs2_clusters_to_blocks(inode->i_sb, le32_to_cpu(fe->i_clusters))) { mlog(ML_ERROR, "block offset is outside the allocated size: " @@ -262,7 +256,7 @@ static int ocfs2_readpage_inline(struct inode *inode, struct page *page) BUG_ON(!PageLocked(page)); BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)); - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -481,12 +475,6 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode, if (ocfs2_should_order_data(inode)) { ret = ocfs2_jbd2_file_inode(handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - ret = walk_page_buffers(handle, - page_buffers(page), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif if (ret < 0) mlog_errno(ret); } @@ -1072,15 +1060,8 @@ static void ocfs2_write_failure(struct inode *inode, tmppage = wc->w_pages[i]; if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) { + if (ocfs2_should_order_data(inode)) ocfs2_jbd2_file_inode(wc->w_handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - walk_page_buffers(wc->w_handle, - page_buffers(tmppage), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif - } block_commit_write(tmppage, from, to); } @@ -1531,8 +1512,8 @@ static int ocfs2_write_begin_inline(struct address_space *mapping, goto out; } - ret = ocfs2_journal_access(handle, inode, wc->w_di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { ocfs2_commit_trans(osb, handle); @@ -1750,15 +1731,20 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, wc->w_handle = handle; + if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) { + ret = -EDQUOT; + goto out_commit; + } /* * We don't want this to fail in ocfs2_write_end(), so do it * here. */ - ret = ocfs2_journal_access(handle, inode, wc->w_di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } /* @@ -1771,14 +1757,14 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, mmap_page); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos, len); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } if (data_ac) @@ -1790,6 +1776,10 @@ success: *pagep = wc->w_target_page; *fsdata = wc; return 0; +out_quota: + if (clusters_to_alloc) + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc)); out_commit: ocfs2_commit_trans(osb, handle); @@ -1919,15 +1909,8 @@ int ocfs2_write_end_nolock(struct address_space *mapping, } if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) { + if (ocfs2_should_order_data(inode)) ocfs2_jbd2_file_inode(wc->w_handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - walk_page_buffers(wc->w_handle, - page_buffers(tmppage), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif - } block_commit_write(tmppage, from, to); } } diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c new file mode 100644 index 00000000000..2a947c44e59 --- /dev/null +++ b/fs/ocfs2/blockcheck.c @@ -0,0 +1,477 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * blockcheck.c + * + * Checksum and ECC codes for the OCFS2 userspace library. + * + * Copyright (C) 2006, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/crc32.h> +#include <linux/buffer_head.h> +#include <linux/bitops.h> +#include <asm/byteorder.h> + +#include <cluster/masklog.h> + +#include "ocfs2.h" + +#include "blockcheck.h" + + +/* + * We use the following conventions: + * + * d = # data bits + * p = # parity bits + * c = # total code bits (d + p) + */ + + +/* + * Calculate the bit offset in the hamming code buffer based on the bit's + * offset in the data buffer. Since the hamming code reserves all + * power-of-two bits for parity, the data bit number and the code bit + * number are offest by all the parity bits beforehand. + * + * Recall that bit numbers in hamming code are 1-based. This function + * takes the 0-based data bit from the caller. + * + * An example. Take bit 1 of the data buffer. 1 is a power of two (2^0), + * so it's a parity bit. 2 is a power of two (2^1), so it's a parity bit. + * 3 is not a power of two. So bit 1 of the data buffer ends up as bit 3 + * in the code buffer. + * + * The caller can pass in *p if it wants to keep track of the most recent + * number of parity bits added. This allows the function to start the + * calculation at the last place. + */ +static unsigned int calc_code_bit(unsigned int i, unsigned int *p_cache) +{ + unsigned int b, p = 0; + + /* + * Data bits are 0-based, but we're talking code bits, which + * are 1-based. + */ + b = i + 1; + + /* Use the cache if it is there */ + if (p_cache) + p = *p_cache; + b += p; + + /* + * For every power of two below our bit number, bump our bit. + * + * We compare with (b + 1) because we have to compare with what b + * would be _if_ it were bumped up by the parity bit. Capice? + * + * p is set above. + */ + for (; (1 << p) < (b + 1); p++) + b++; + + if (p_cache) + *p_cache = p; + + return b; +} + +/* + * This is the low level encoder function. It can be called across + * multiple hunks just like the crc32 code. 'd' is the number of bits + * _in_this_hunk_. nr is the bit offset of this hunk. So, if you had + * two 512B buffers, you would do it like so: + * + * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0); + * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8); + * + * If you just have one buffer, use ocfs2_hamming_encode_block(). + */ +u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr) +{ + unsigned int i, b, p = 0; + + BUG_ON(!d); + + /* + * b is the hamming code bit number. Hamming code specifies a + * 1-based array, but C uses 0-based. So 'i' is for C, and 'b' is + * for the algorithm. + * + * The i++ in the for loop is so that the start offset passed + * to ocfs2_find_next_bit_set() is one greater than the previously + * found bit. + */ + for (i = 0; (i = ocfs2_find_next_bit(data, d, i)) < d; i++) + { + /* + * i is the offset in this hunk, nr + i is the total bit + * offset. + */ + b = calc_code_bit(nr + i, &p); + + /* + * Data bits in the resultant code are checked by + * parity bits that are part of the bit number + * representation. Huh? + * + * <wikipedia href="http://en.wikipedia.org/wiki/Hamming_code"> + * In other words, the parity bit at position 2^k + * checks bits in positions having bit k set in + * their binary representation. Conversely, for + * instance, bit 13, i.e. 1101(2), is checked by + * bits 1000(2) = 8, 0100(2)=4 and 0001(2) = 1. + * </wikipedia> + * + * Note that 'k' is the _code_ bit number. 'b' in + * our loop. + */ + parity ^= b; + } + + /* While the data buffer was treated as little endian, the + * return value is in host endian. */ + return parity; +} + +u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize) +{ + return ocfs2_hamming_encode(0, data, blocksize * 8, 0); +} + +/* + * Like ocfs2_hamming_encode(), this can handle hunks. nr is the bit + * offset of the current hunk. If bit to be fixed is not part of the + * current hunk, this does nothing. + * + * If you only have one hunk, use ocfs2_hamming_fix_block(). + */ +void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, + unsigned int fix) +{ + unsigned int i, b; + + BUG_ON(!d); + + /* + * If the bit to fix has an hweight of 1, it's a parity bit. One + * busted parity bit is its own error. Nothing to do here. + */ + if (hweight32(fix) == 1) + return; + + /* + * nr + d is the bit right past the data hunk we're looking at. + * If fix after that, nothing to do + */ + if (fix >= calc_code_bit(nr + d, NULL)) + return; + + /* + * nr is the offset in the data hunk we're starting at. Let's + * start b at the offset in the code buffer. See hamming_encode() + * for a more detailed description of 'b'. + */ + b = calc_code_bit(nr, NULL); + /* If the fix is before this hunk, nothing to do */ + if (fix < b) + return; + + for (i = 0; i < d; i++, b++) + { + /* Skip past parity bits */ + while (hweight32(b) == 1) + b++; + + /* + * i is the offset in this data hunk. + * nr + i is the offset in the total data buffer. + * b is the offset in the total code buffer. + * + * Thus, when b == fix, bit i in the current hunk needs + * fixing. + */ + if (b == fix) + { + if (ocfs2_test_bit(i, data)) + ocfs2_clear_bit(i, data); + else + ocfs2_set_bit(i, data); + break; + } + } +} + +void ocfs2_hamming_fix_block(void *data, unsigned int blocksize, + unsigned int fix) +{ + ocfs2_hamming_fix(data, blocksize * 8, 0, fix); +} + +/* + * This function generates check information for a block. + * data is the block to be checked. bc is a pointer to the + * ocfs2_block_check structure describing the crc32 and the ecc. + * + * bc should be a pointer inside data, as the function will + * take care of zeroing it before calculating the check information. If + * bc does not point inside data, the caller must make sure any inline + * ocfs2_block_check structures are zeroed. + * + * The data buffer must be in on-disk endian (little endian for ocfs2). + * bc will be filled with little-endian values and will be ready to go to + * disk. + */ +void ocfs2_block_check_compute(void *data, size_t blocksize, + struct ocfs2_block_check *bc) +{ + u32 crc; + u32 ecc; + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + crc = crc32_le(~0, data, blocksize); + ecc = ocfs2_hamming_encode_block(data, blocksize); + + /* + * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no + * larger than 16 bits. + */ + BUG_ON(ecc > USHORT_MAX); + + bc->bc_crc32e = cpu_to_le32(crc); + bc->bc_ecc = cpu_to_le16((u16)ecc); +} + +/* + * This function validates existing check information. Like _compute, + * the function will take care of zeroing bc before calculating check codes. + * If bc is not a pointer inside data, the caller must have zeroed any + * inline ocfs2_block_check structures. + * + * Again, the data passed in should be the on-disk endian. + */ +int ocfs2_block_check_validate(void *data, size_t blocksize, + struct ocfs2_block_check *bc) +{ + int rc = 0; + struct ocfs2_block_check check; + u32 crc, ecc; + + check.bc_crc32e = le32_to_cpu(bc->bc_crc32e); + check.bc_ecc = le16_to_cpu(bc->bc_ecc); + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + /* Fast path - if the crc32 validates, we're good to go */ + crc = crc32_le(~0, data, blocksize); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, + "CRC32 failed: stored: %u, computed %u. Applying ECC.\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + /* Ok, try ECC fixups */ + ecc = ocfs2_hamming_encode_block(data, blocksize); + ocfs2_hamming_fix_block(data, blocksize, ecc ^ check.bc_ecc); + + /* And check the crc32 again */ + crc = crc32_le(~0, data, blocksize); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + rc = -EIO; + +out: + bc->bc_crc32e = cpu_to_le32(check.bc_crc32e); + bc->bc_ecc = cpu_to_le16(check.bc_ecc); + + return rc; +} + +/* + * This function generates check information for a list of buffer_heads. + * bhs is the blocks to be checked. bc is a pointer to the + * ocfs2_block_check structure describing the crc32 and the ecc. + * + * bc should be a pointer inside data, as the function will + * take care of zeroing it before calculating the check information. If + * bc does not point inside data, the caller must make sure any inline + * ocfs2_block_check structures are zeroed. + * + * The data buffer must be in on-disk endian (little endian for ocfs2). + * bc will be filled with little-endian values and will be ready to go to + * disk. + */ +void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int i; + u32 crc, ecc; + + BUG_ON(nr < 0); + + if (!nr) + return; + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + for (i = 0, crc = ~0, ecc = 0; i < nr; i++) { + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + /* + * The number of bits in a buffer is obviously b_size*8. + * The offset of this buffer is b_size*i, so the bit offset + * of this buffer is b_size*8*i. + */ + ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data, + bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i); + } + + /* + * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no + * larger than 16 bits. + */ + BUG_ON(ecc > USHORT_MAX); + + bc->bc_crc32e = cpu_to_le32(crc); + bc->bc_ecc = cpu_to_le16((u16)ecc); +} + +/* + * This function validates existing check information on a list of + * buffer_heads. Like _compute_bhs, the function will take care of + * zeroing bc before calculating check codes. If bc is not a pointer + * inside data, the caller must have zeroed any inline + * ocfs2_block_check structures. + * + * Again, the data passed in should be the on-disk endian. + */ +int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int i, rc = 0; + struct ocfs2_block_check check; + u32 crc, ecc, fix; + + BUG_ON(nr < 0); + + if (!nr) + return 0; + + check.bc_crc32e = le32_to_cpu(bc->bc_crc32e); + check.bc_ecc = le16_to_cpu(bc->bc_ecc); + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + /* Fast path - if the crc32 validates, we're good to go */ + for (i = 0, crc = ~0; i < nr; i++) + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, + "CRC32 failed: stored: %u, computed %u. Applying ECC.\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + /* Ok, try ECC fixups */ + for (i = 0, ecc = 0; i < nr; i++) { + /* + * The number of bits in a buffer is obviously b_size*8. + * The offset of this buffer is b_size*i, so the bit offset + * of this buffer is b_size*8*i. + */ + ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data, + bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i); + } + fix = ecc ^ check.bc_ecc; + for (i = 0; i < nr; i++) { + /* + * Try the fix against each buffer. It will only affect + * one of them. + */ + ocfs2_hamming_fix(bhs[i]->b_data, bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i, fix); + } + + /* And check the crc32 again */ + for (i = 0, crc = ~0; i < nr; i++) + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + rc = -EIO; + +out: + bc->bc_crc32e = cpu_to_le32(check.bc_crc32e); + bc->bc_ecc = cpu_to_le16(check.bc_ecc); + + return rc; +} + +/* + * These are the main API. They check the superblock flag before + * calling the underlying operations. + * + * They expect the buffer(s) to be in disk format. + */ +void ocfs2_compute_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc) +{ + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + ocfs2_block_check_compute(data, sb->s_blocksize, bc); +} + +int ocfs2_validate_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc) +{ + int rc = 0; + + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + rc = ocfs2_block_check_validate(data, sb->s_blocksize, bc); + + return rc; +} + +void ocfs2_compute_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + ocfs2_block_check_compute_bhs(bhs, nr, bc); +} + +int ocfs2_validate_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int rc = 0; + + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + rc = ocfs2_block_check_validate_bhs(bhs, nr, bc); + + return rc; +} + diff --git a/fs/ocfs2/blockcheck.h b/fs/ocfs2/blockcheck.h new file mode 100644 index 00000000000..70ec3feda32 --- /dev/null +++ b/fs/ocfs2/blockcheck.h @@ -0,0 +1,82 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * blockcheck.h + * + * Checksum and ECC codes for the OCFS2 userspace library. + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef OCFS2_BLOCKCHECK_H +#define OCFS2_BLOCKCHECK_H + + +/* High level block API */ +void ocfs2_compute_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc); +int ocfs2_validate_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc); +void ocfs2_compute_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); +int ocfs2_validate_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); + +/* Lower level API */ +void ocfs2_block_check_compute(void *data, size_t blocksize, + struct ocfs2_block_check *bc); +int ocfs2_block_check_validate(void *data, size_t blocksize, + struct ocfs2_block_check *bc); +void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); +int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); + +/* + * Hamming code functions + */ + +/* + * Encoding hamming code parity bits for a buffer. + * + * This is the low level encoder function. It can be called across + * multiple hunks just like the crc32 code. 'd' is the number of bits + * _in_this_hunk_. nr is the bit offset of this hunk. So, if you had + * two 512B buffers, you would do it like so: + * + * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0); + * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8); + * + * If you just have one buffer, use ocfs2_hamming_encode_block(). + */ +u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, + unsigned int nr); +/* + * Fix a buffer with a bit error. The 'fix' is the original parity + * xor'd with the parity calculated now. + * + * Like ocfs2_hamming_encode(), this can handle hunks. nr is the bit + * offset of the current hunk. If bit to be fixed is not part of the + * current hunk, this does nothing. + * + * If you only have one buffer, use ocfs2_hamming_fix_block(). + */ +void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, + unsigned int fix); + +/* Convenience wrappers for a single buffer of data */ +extern u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize); +extern void ocfs2_hamming_fix_block(void *data, unsigned int blocksize, + unsigned int fix); +#endif diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index 3a178ec48d7..15c8e6deee2 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -39,6 +39,18 @@ #include "buffer_head_io.h" +/* + * Bits on bh->b_state used by ocfs2. + * + * These MUST be after the JBD2 bits. Hence, we use BH_JBDPrivateStart. + */ +enum ocfs2_state_bits { + BH_NeedsValidate = BH_JBDPrivateStart, +}; + +/* Expand the magic b_state functions */ +BUFFER_FNS(NeedsValidate, needs_validate); + int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, struct inode *inode) { @@ -166,7 +178,9 @@ bail: } int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, - struct buffer_head *bhs[], int flags) + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) { int status = 0; int i, ignore_cache = 0; @@ -298,6 +312,8 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, clear_buffer_uptodate(bh); get_bh(bh); /* for end_buffer_read_sync() */ + if (validate) + set_buffer_needs_validate(bh); bh->b_end_io = end_buffer_read_sync; submit_bh(READ, bh); continue; @@ -328,6 +344,20 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, bhs[i] = NULL; continue; } + + if (buffer_needs_validate(bh)) { + /* We never set NeedsValidate if the + * buffer was held by the journal, so + * that better not have changed */ + BUG_ON(buffer_jbd(bh)); + clear_buffer_needs_validate(bh); + status = validate(inode->i_sb, bh); + if (status) { + put_bh(bh); + bhs[i] = NULL; + continue; + } + } } /* Always set the buffer in the cache, even if it was diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index 75e1dcb1ade..c75d682dadd 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -31,21 +31,24 @@ void ocfs2_end_buffer_io_sync(struct buffer_head *bh, int uptodate); -static inline int ocfs2_read_block(struct inode *inode, - u64 off, - struct buffer_head **bh); - int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, struct inode *inode); -int ocfs2_read_blocks(struct inode *inode, - u64 block, - int nr, - struct buffer_head *bhs[], - int flags); int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, unsigned int nr, struct buffer_head *bhs[]); +/* + * If not NULL, validate() will be called on a buffer that is freshly + * read from disk. It will not be called if the buffer was in cache. + * Note that if validate() is being used for this buffer, it needs to + * be set even for a READAHEAD call, as it marks the buffer for later + * validation. + */ +int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)); + int ocfs2_write_super_or_backup(struct ocfs2_super *osb, struct buffer_head *bh); @@ -53,7 +56,9 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, #define OCFS2_BH_READAHEAD 8 static inline int ocfs2_read_block(struct inode *inode, u64 off, - struct buffer_head **bh) + struct buffer_head **bh, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) { int status = 0; @@ -63,7 +68,7 @@ static inline int ocfs2_read_block(struct inode *inode, u64 off, goto bail; } - status = ocfs2_read_blocks(inode, off, 1, bh, 0); + status = ocfs2_read_blocks(inode, off, 1, bh, 0, validate); bail: return status; diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c index d8a0cb92cef..96df5416993 100644 --- a/fs/ocfs2/cluster/masklog.c +++ b/fs/ocfs2/cluster/masklog.c @@ -110,6 +110,7 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = { define_mask(QUORUM), define_mask(EXPORT), define_mask(XATTR), + define_mask(QUOTA), define_mask(ERROR), define_mask(NOTICE), define_mask(KTHREAD), diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h index 57670c68047..7e72a81bc2d 100644 --- a/fs/ocfs2/cluster/masklog.h +++ b/fs/ocfs2/cluster/masklog.h @@ -113,6 +113,7 @@ #define ML_QUORUM 0x0000000008000000ULL /* net connection quorum */ #define ML_EXPORT 0x0000000010000000ULL /* ocfs2 export operations */ #define ML_XATTR 0x0000000020000000ULL /* ocfs2 extended attributes */ +#define ML_QUOTA 0x0000000040000000ULL /* ocfs2 quota operations */ /* bits that are infrequently given and frequently matched in the high word */ #define ML_ERROR 0x0000000100000000ULL /* sent to KERN_ERR */ #define ML_NOTICE 0x0000000200000000ULL /* setn to KERN_NOTICE */ diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 026e6eb8518..f2c4098cf33 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -40,6 +40,7 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_NAMEI #include <cluster/masklog.h> @@ -47,6 +48,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dir.h" #include "dlmglue.h" #include "extent_map.h" @@ -82,47 +84,72 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct ocfs2_alloc_context *meta_ac, struct buffer_head **new_bh); -static struct buffer_head *ocfs2_bread(struct inode *inode, - int block, int *err, int reada) +/* + * These are distinct checks because future versions of the file system will + * want to have a trailing dirent structure independent of indexing. + */ +static int ocfs2_dir_has_trailer(struct inode *dir) { - struct buffer_head *bh = NULL; - int tmperr; - u64 p_blkno; - int readflags = 0; + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + return 0; - if (reada) - readflags |= OCFS2_BH_READAHEAD; + return ocfs2_meta_ecc(OCFS2_SB(dir->i_sb)); +} - if (((u64)block << inode->i_sb->s_blocksize_bits) >= - i_size_read(inode)) { - BUG_ON(!reada); - return NULL; - } +static int ocfs2_supports_dir_trailer(struct ocfs2_super *osb) +{ + return ocfs2_meta_ecc(osb); +} - down_read(&OCFS2_I(inode)->ip_alloc_sem); - tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL, - NULL); - up_read(&OCFS2_I(inode)->ip_alloc_sem); - if (tmperr < 0) { - mlog_errno(tmperr); - goto fail; - } +static inline unsigned int ocfs2_dir_trailer_blk_off(struct super_block *sb) +{ + return sb->s_blocksize - sizeof(struct ocfs2_dir_block_trailer); +} - tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); - if (tmperr < 0) - goto fail; +#define ocfs2_trailer_from_bh(_bh, _sb) ((struct ocfs2_dir_block_trailer *) ((_bh)->b_data + ocfs2_dir_trailer_blk_off((_sb)))) - tmperr = 0; +/* XXX ocfs2_block_dqtrailer() is similar but not quite - can we make + * them more consistent? */ +struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize, + void *data) +{ + char *p = data; - *err = 0; - return bh; + p += blocksize - sizeof(struct ocfs2_dir_block_trailer); + return (struct ocfs2_dir_block_trailer *)p; +} -fail: - brelse(bh); - bh = NULL; +/* + * XXX: This is executed once on every dirent. We should consider optimizing + * it. + */ +static int ocfs2_skip_dir_trailer(struct inode *dir, + struct ocfs2_dir_entry *de, + unsigned long offset, + unsigned long blklen) +{ + unsigned long toff = blklen - sizeof(struct ocfs2_dir_block_trailer); - *err = -EIO; - return NULL; + if (!ocfs2_dir_has_trailer(dir)) + return 0; + + if (offset != toff) + return 0; + + return 1; +} + +static void ocfs2_init_dir_trailer(struct inode *inode, + struct buffer_head *bh) +{ + struct ocfs2_dir_block_trailer *trailer; + + trailer = ocfs2_trailer_from_bh(bh, inode->i_sb); + strcpy(trailer->db_signature, OCFS2_DIR_TRAILER_SIGNATURE); + trailer->db_compat_rec_len = + cpu_to_le16(sizeof(struct ocfs2_dir_block_trailer)); + trailer->db_parent_dinode = cpu_to_le64(OCFS2_I(inode)->ip_blkno); + trailer->db_blkno = cpu_to_le64(bh->b_blocknr); } /* @@ -231,7 +258,7 @@ static struct buffer_head *ocfs2_find_entry_id(const char *name, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(dir, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -250,6 +277,108 @@ out: return NULL; } +static int ocfs2_validate_dir_block(struct super_block *sb, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_dir_block_trailer *trailer = + ocfs2_trailer_from_bh(bh, sb); + + + /* + * We don't validate dirents here, that's handled + * in-place when the code walks them. + */ + mlog(0, "Validating dirblock %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + * + * Note that we are safe to call this even if the directory + * doesn't have a trailer. Filesystems without metaecc will do + * nothing, and filesystems with it will have one. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &trailer->db_check); + if (rc) + mlog(ML_ERROR, "Checksum failed for dinode %llu\n", + (unsigned long long)bh->b_blocknr); + + return rc; +} + +/* + * This function forces all errors to -EIO for consistency with its + * predecessor, ocfs2_bread(). We haven't audited what returning the + * real error codes would do to callers. We log the real codes with + * mlog_errno() before we squash them. + */ +static int ocfs2_read_dir_block(struct inode *inode, u64 v_block, + struct buffer_head **bh, int flags) +{ + int rc = 0; + struct buffer_head *tmp = *bh; + struct ocfs2_dir_block_trailer *trailer; + + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, flags, + ocfs2_validate_dir_block); + if (rc) { + mlog_errno(rc); + goto out; + } + + /* + * We check the trailer here rather than in + * ocfs2_validate_dir_block() because that function doesn't have + * the inode to test. + */ + if (!(flags & OCFS2_BH_READAHEAD) && + ocfs2_dir_has_trailer(inode)) { + trailer = ocfs2_trailer_from_bh(tmp, inode->i_sb); + if (!OCFS2_IS_VALID_DIR_TRAILER(trailer)) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Invalid dirblock #%llu: " + "signature = %.*s\n", + (unsigned long long)tmp->b_blocknr, 7, + trailer->db_signature); + goto out; + } + if (le64_to_cpu(trailer->db_blkno) != tmp->b_blocknr) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Directory block #%llu has an invalid " + "db_blkno of %llu", + (unsigned long long)tmp->b_blocknr, + (unsigned long long)le64_to_cpu(trailer->db_blkno)); + goto out; + } + if (le64_to_cpu(trailer->db_parent_dinode) != + OCFS2_I(inode)->ip_blkno) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Directory block #%llu on dinode " + "#%llu has an invalid parent_dinode " + "of %llu", + (unsigned long long)tmp->b_blocknr, + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)le64_to_cpu(trailer->db_blkno)); + goto out; + } + } + + /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc ? -EIO : 0; +} + static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen, struct inode *dir, struct ocfs2_dir_entry **res_dir) @@ -296,15 +425,17 @@ restart: } num++; - bh = ocfs2_bread(dir, b++, &err, 1); + bh = NULL; + err = ocfs2_read_dir_block(dir, b++, &bh, + OCFS2_BH_READAHEAD); bh_use[ra_max] = bh; } } if ((bh = bh_use[ra_ptr++]) == NULL) goto next; - if (ocfs2_read_block(dir, block, &bh)) { + if (ocfs2_read_dir_block(dir, block, &bh, 0)) { /* read error, skip block & hope for the best. - * ocfs2_read_block() has released the bh. */ + * ocfs2_read_dir_block() has released the bh. */ ocfs2_error(dir->i_sb, "reading directory %llu, " "offset %lu\n", (unsigned long long)OCFS2_I(dir)->ip_blkno, @@ -381,14 +512,18 @@ int ocfs2_update_entry(struct inode *dir, handle_t *handle, struct inode *new_entry_inode) { int ret; + ocfs2_journal_access_func access = ocfs2_journal_access_db; /* * The same code works fine for both inline-data and extent - * based directories, so no need to split this up. + * based directories, so no need to split this up. The only + * difference is the journal_access function. */ - ret = ocfs2_journal_access(handle, dir, de_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + access = ocfs2_journal_access_di; + + ret = access(handle, dir, de_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -410,9 +545,13 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir, { struct ocfs2_dir_entry *de, *pde; int i, status = -ENOENT; + ocfs2_journal_access_func access = ocfs2_journal_access_db; mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p)\n", handle, dir, de_del, bh); + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + access = ocfs2_journal_access_di; + i = 0; pde = NULL; de = (struct ocfs2_dir_entry *) first_de; @@ -423,8 +562,8 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir, goto bail; } if (de == de_del) { - status = ocfs2_journal_access(handle, dir, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = access(handle, dir, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { status = -EIO; mlog_errno(status); @@ -458,7 +597,7 @@ static inline int ocfs2_delete_entry_id(handle_t *handle, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(dir, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -576,6 +715,16 @@ int __ocfs2_add_entry(handle_t *handle, goto bail; } + /* We're guaranteed that we should have space, so we + * can't possibly have hit the trailer...right? */ + mlog_bug_on_msg(ocfs2_skip_dir_trailer(dir, de, offset, size), + "Hit dir trailer trying to insert %.*s " + "(namelen %d) into directory %llu. " + "offset is %lu, trailer offset is %d\n", + namelen, name, namelen, + (unsigned long long)parent_fe_bh->b_blocknr, + offset, ocfs2_dir_trailer_blk_off(dir->i_sb)); + if (ocfs2_dirent_would_fit(de, rec_len)) { dir->i_mtime = dir->i_ctime = CURRENT_TIME; retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh); @@ -584,8 +733,14 @@ int __ocfs2_add_entry(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, dir, insert_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + if (insert_bh == parent_fe_bh) + status = ocfs2_journal_access_di(handle, dir, + insert_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + else + status = ocfs2_journal_access_db(handle, dir, + insert_bh, + OCFS2_JOURNAL_ACCESS_WRITE); /* By now the buffer is marked for journaling */ offset += le16_to_cpu(de->rec_len); if (le64_to_cpu(de->inode)) { @@ -611,6 +766,7 @@ int __ocfs2_add_entry(handle_t *handle, retval = 0; goto bail; } + offset += le16_to_cpu(de->rec_len); de = (struct ocfs2_dir_entry *) ((char *) de + le16_to_cpu(de->rec_len)); } @@ -636,7 +792,7 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, struct ocfs2_inline_data *data; struct ocfs2_dir_entry *de; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog(ML_ERROR, "Unable to read inode block for dir %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); @@ -724,7 +880,6 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, int i, stored; struct buffer_head * bh, * tmp; struct ocfs2_dir_entry * de; - int err; struct super_block * sb = inode->i_sb; unsigned int ra_sectors = 16; @@ -735,12 +890,8 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, while (!error && !stored && *f_pos < i_size_read(inode)) { blk = (*f_pos) >> sb->s_blocksize_bits; - bh = ocfs2_bread(inode, blk, &err, 0); - if (!bh) { - mlog(ML_ERROR, - "directory #%llu contains a hole at offset %lld\n", - (unsigned long long)OCFS2_I(inode)->ip_blkno, - *f_pos); + if (ocfs2_read_dir_block(inode, blk, &bh, 0)) { + /* Skip the corrupt dirblock and keep trying */ *f_pos += sb->s_blocksize - offset; continue; } @@ -754,8 +905,10 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, || (((last_ra_blk - blk) << 9) <= (ra_sectors / 2))) { for (i = ra_sectors >> (sb->s_blocksize_bits - 9); i > 0; i--) { - tmp = ocfs2_bread(inode, ++blk, &err, 1); - brelse(tmp); + tmp = NULL; + if (!ocfs2_read_dir_block(inode, ++blk, &tmp, + OCFS2_BH_READAHEAD)) + brelse(tmp); } last_ra_blk = blk; ra_sectors = 8; @@ -828,6 +981,7 @@ revalidate: } offset = 0; brelse(bh); + bh = NULL; } stored = 0; @@ -1050,9 +1204,15 @@ int ocfs2_empty_dir(struct inode *inode) return !priv.seen_other; } -static void ocfs2_fill_initial_dirents(struct inode *inode, - struct inode *parent, - char *start, unsigned int size) +/* + * Fills "." and ".." dirents in a new directory block. Returns dirent for + * "..", which might be used during creation of a directory with a trailing + * header. It is otherwise safe to ignore the return code. + */ +static struct ocfs2_dir_entry *ocfs2_fill_initial_dirents(struct inode *inode, + struct inode *parent, + char *start, + unsigned int size) { struct ocfs2_dir_entry *de = (struct ocfs2_dir_entry *)start; @@ -1069,6 +1229,8 @@ static void ocfs2_fill_initial_dirents(struct inode *inode, de->name_len = 2; strcpy(de->name, ".."); ocfs2_set_de_type(de, S_IFDIR); + + return de; } /* @@ -1086,8 +1248,8 @@ static int ocfs2_fill_new_dir_id(struct ocfs2_super *osb, struct ocfs2_inline_data *data = &di->id2.i_data; unsigned int size = le16_to_cpu(data->id_count); - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -1121,10 +1283,15 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac) { int status; + unsigned int size = osb->sb->s_blocksize; struct buffer_head *new_bh = NULL; + struct ocfs2_dir_entry *de; mlog_entry_void(); + if (ocfs2_supports_dir_trailer(osb)) + size = ocfs2_dir_trailer_blk_off(parent->i_sb); + status = ocfs2_do_extend_dir(osb->sb, handle, inode, fe_bh, data_ac, NULL, &new_bh); if (status < 0) { @@ -1134,16 +1301,17 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, ocfs2_set_new_buffer_uptodate(inode, new_bh); - status = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_db(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; } memset(new_bh->b_data, 0, osb->sb->s_blocksize); - ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data, - osb->sb->s_blocksize); + de = ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data, size); + if (ocfs2_supports_dir_trailer(osb)) + ocfs2_init_dir_trailer(inode, new_bh); status = ocfs2_journal_dirty(handle, new_bh); if (status < 0) { @@ -1184,13 +1352,27 @@ int ocfs2_fill_new_dir(struct ocfs2_super *osb, data_ac); } +/* + * Expand rec_len of the rightmost dirent in a directory block so that it + * contains the end of our valid space for dirents. We do this during + * expansion from an inline directory to one with extents. The first dir block + * in that case is taken from the inline data portion of the inode block. + * + * We add the dir trailer if this filesystem wants it. + */ static void ocfs2_expand_last_dirent(char *start, unsigned int old_size, - unsigned int new_size) + struct super_block *sb) { struct ocfs2_dir_entry *de; struct ocfs2_dir_entry *prev_de; char *de_buf, *limit; - unsigned int bytes = new_size - old_size; + unsigned int new_size = sb->s_blocksize; + unsigned int bytes; + + if (ocfs2_supports_dir_trailer(OCFS2_SB(sb))) + new_size = ocfs2_dir_trailer_blk_off(sb); + + bytes = new_size - old_size; limit = start + old_size; de_buf = start; @@ -1216,9 +1398,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, unsigned int blocks_wanted, struct buffer_head **first_block_bh) { - int ret, credits = OCFS2_INLINE_TO_EXTENTS_CREDITS; u32 alloc, bit_off, len; struct super_block *sb = dir->i_sb; + int ret, credits = ocfs2_inline_to_extents_credits(sb); u64 blkno, bytes = blocks_wanted << sb->s_blocksize_bits; struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(dir); @@ -1227,6 +1409,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; handle_t *handle; struct ocfs2_extent_tree et; + int did_quota = 0; ocfs2_init_dinode_extent_tree(&et, dir, di_bh); @@ -1264,6 +1447,12 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, goto out_sem; } + if (vfs_dq_alloc_space_nodirty(dir, + ocfs2_clusters_to_bytes(osb->sb, alloc))) { + ret = -EDQUOT; + goto out_commit; + } + did_quota = 1; /* * Try to claim as many clusters as the bitmap can give though * if we only get one now, that's enough to continue. The rest @@ -1290,8 +1479,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, ocfs2_set_new_buffer_uptodate(dir, dirdata_bh); - ret = ocfs2_journal_access(handle, dir, dirdata_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_db(handle, dir, dirdata_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); goto out_commit; @@ -1300,8 +1489,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, memcpy(dirdata_bh->b_data, di->id2.i_data.id_data, i_size_read(dir)); memset(dirdata_bh->b_data + i_size_read(dir), 0, sb->s_blocksize - i_size_read(dir)); - ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), - sb->s_blocksize); + ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), sb); + if (ocfs2_supports_dir_trailer(osb)) + ocfs2_init_dir_trailer(dir, dirdata_bh); ret = ocfs2_journal_dirty(handle, dirdata_bh); if (ret) { @@ -1317,8 +1507,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * We let the later dirent insert modify c/mtime - to the user * the data hasn't changed. */ - ret = ocfs2_journal_access(handle, dir, di_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_di(handle, dir, di_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); goto out_commit; @@ -1386,6 +1576,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, dirdata_bh = NULL; out_commit: + if (ret < 0 && did_quota) + vfs_dq_free_space_nodirty(dir, + ocfs2_clusters_to_bytes(osb->sb, 2)); ocfs2_commit_trans(osb, handle); out_sem: @@ -1410,7 +1603,7 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct buffer_head **new_bh) { int status; - int extend; + int extend, did_quota = 0; u64 p_blkno, v_blkno; spin_lock(&OCFS2_I(dir)->ip_lock); @@ -1420,6 +1613,13 @@ static int ocfs2_do_extend_dir(struct super_block *sb, if (extend) { u32 offset = OCFS2_I(dir)->ip_clusters; + if (vfs_dq_alloc_space_nodirty(dir, + ocfs2_clusters_to_bytes(sb, 1))) { + status = -EDQUOT; + goto bail; + } + did_quota = 1; + status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset, 1, 0, parent_fe_bh, handle, data_ac, meta_ac, NULL); @@ -1445,6 +1645,8 @@ static int ocfs2_do_extend_dir(struct super_block *sb, } status = 0; bail: + if (did_quota && status < 0) + vfs_dq_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1)); mlog_exit(status); return status; } @@ -1569,16 +1771,22 @@ do_extend: ocfs2_set_new_buffer_uptodate(dir, new_bh); - status = ocfs2_journal_access(handle, dir, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_db(handle, dir, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; } memset(new_bh->b_data, 0, sb->s_blocksize); + de = (struct ocfs2_dir_entry *) new_bh->b_data; de->inode = 0; - de->rec_len = cpu_to_le16(sb->s_blocksize); + if (ocfs2_dir_has_trailer(dir)) { + de->rec_len = cpu_to_le16(ocfs2_dir_trailer_blk_off(sb)); + ocfs2_init_dir_trailer(dir, new_bh); + } else { + de->rec_len = cpu_to_le16(sb->s_blocksize); + } status = ocfs2_journal_dirty(handle, new_bh); if (status < 0) { mlog_errno(status); @@ -1620,11 +1828,21 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, unsigned int *blocks_wanted) { int ret; + struct super_block *sb = dir->i_sb; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_dir_entry *de, *last_de = NULL; char *de_buf, *limit; unsigned long offset = 0; - unsigned int rec_len, new_rec_len; + unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize; + + /* + * This calculates how many free bytes we'd have in block zero, should + * this function force expansion to an extent tree. + */ + if (ocfs2_supports_dir_trailer(OCFS2_SB(sb))) + free_space = ocfs2_dir_trailer_blk_off(sb) - i_size_read(dir); + else + free_space = dir->i_sb->s_blocksize - i_size_read(dir); de_buf = di->id2.i_data.id_data; limit = de_buf + i_size_read(dir); @@ -1641,6 +1859,11 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, ret = -EEXIST; goto out; } + /* + * No need to check for a trailing dirent record here as + * they're not used for inline dirs. + */ + if (ocfs2_dirent_would_fit(de, rec_len)) { /* Ok, we found a spot. Return this bh and let * the caller actually fill it in. */ @@ -1661,7 +1884,7 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, * dirent can be found. */ *blocks_wanted = 1; - new_rec_len = le16_to_cpu(last_de->rec_len) + (dir->i_sb->s_blocksize - i_size_read(dir)); + new_rec_len = le16_to_cpu(last_de->rec_len) + free_space; if (new_rec_len < (rec_len + OCFS2_DIR_REC_LEN(last_de->name_len))) *blocks_wanted = 2; @@ -1679,9 +1902,10 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, struct ocfs2_dir_entry *de; struct super_block *sb = dir->i_sb; int status; + int blocksize = dir->i_sb->s_blocksize; - bh = ocfs2_bread(dir, 0, &status, 0); - if (!bh) { + status = ocfs2_read_dir_block(dir, 0, &bh, 0); + if (status) { mlog_errno(status); goto bail; } @@ -1702,11 +1926,10 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = -ENOSPC; goto bail; } - bh = ocfs2_bread(dir, - offset >> sb->s_blocksize_bits, - &status, - 0); - if (!bh) { + status = ocfs2_read_dir_block(dir, + offset >> sb->s_blocksize_bits, + &bh, 0); + if (status) { mlog_errno(status); goto bail; } @@ -1721,6 +1944,11 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = -EEXIST; goto bail; } + + if (ocfs2_skip_dir_trailer(dir, de, offset % blocksize, + blocksize)) + goto next; + if (ocfs2_dirent_would_fit(de, rec_len)) { /* Ok, we found a spot. Return this bh and let * the caller actually fill it in. */ @@ -1729,6 +1957,7 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = 0; goto bail; } +next: offset += le16_to_cpu(de->rec_len); de = (struct ocfs2_dir_entry *)((char *) de + le16_to_cpu(de->rec_len)); } diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h index ce48b9080d8..c511e2e18e9 100644 --- a/fs/ocfs2/dir.h +++ b/fs/ocfs2/dir.h @@ -83,4 +83,6 @@ int ocfs2_fill_new_dir(struct ocfs2_super *osb, struct buffer_head *fe_bh, struct ocfs2_alloc_context *data_ac); +struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize, + void *data); #endif /* OCFS2_DIR_H */ diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c index 644bee55d8b..d07ddbe4b28 100644 --- a/fs/ocfs2/dlm/dlmast.c +++ b/fs/ocfs2/dlm/dlmast.c @@ -275,6 +275,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, struct list_head *iter, *head=NULL; u64 cookie; u32 flags; + u8 node; if (!dlm_grab(dlm)) { dlm_error(DLM_REJECTED); @@ -286,18 +287,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, name = past->name; locklen = past->namelen; - cookie = be64_to_cpu(past->cookie); + cookie = past->cookie; flags = be32_to_cpu(past->flags); + node = past->node_idx; if (locklen > DLM_LOCKID_NAME_MAX) { ret = DLM_IVBUFLEN; - mlog(ML_ERROR, "Invalid name length in proxy ast handler!\n"); + mlog(ML_ERROR, "Invalid name length (%d) in proxy ast " + "handler!\n", locklen); goto leave; } if ((flags & (LKM_PUT_LVB|LKM_GET_LVB)) == (LKM_PUT_LVB|LKM_GET_LVB)) { - mlog(ML_ERROR, "both PUT and GET lvb specified\n"); + mlog(ML_ERROR, "Both PUT and GET lvb specified, (0x%x)\n", + flags); ret = DLM_BADARGS; goto leave; } @@ -310,22 +314,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, if (past->type != DLM_AST && past->type != DLM_BAST) { mlog(ML_ERROR, "Unknown ast type! %d, cookie=%u:%llu" - "name=%.*s\n", past->type, - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name); + "name=%.*s, node=%u\n", past->type, + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_IVLOCKID; goto leave; } res = dlm_lookup_lockres(dlm, name, locklen); if (!res) { - mlog(0, "got %sast for unknown lockres! " - "cookie=%u:%llu, name=%.*s, namelen=%u\n", - past->type == DLM_AST ? "" : "b", - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name, locklen); + mlog(0, "Got %sast for unknown lockres! cookie=%u:%llu, " + "name=%.*s, node=%u\n", (past->type == DLM_AST ? "" : "b"), + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_IVLOCKID; goto leave; } @@ -337,12 +340,12 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, spin_lock(&res->spinlock); if (res->state & DLM_LOCK_RES_RECOVERING) { - mlog(0, "responding with DLM_RECOVERING!\n"); + mlog(0, "Responding with DLM_RECOVERING!\n"); ret = DLM_RECOVERING; goto unlock_out; } if (res->state & DLM_LOCK_RES_MIGRATING) { - mlog(0, "responding with DLM_MIGRATING!\n"); + mlog(0, "Responding with DLM_MIGRATING!\n"); ret = DLM_MIGRATING; goto unlock_out; } @@ -351,7 +354,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, lock = NULL; list_for_each(iter, head) { lock = list_entry (iter, struct dlm_lock, list); - if (be64_to_cpu(lock->ml.cookie) == cookie) + if (lock->ml.cookie == cookie) goto do_ast; } @@ -363,15 +366,15 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, list_for_each(iter, head) { lock = list_entry (iter, struct dlm_lock, list); - if (be64_to_cpu(lock->ml.cookie) == cookie) + if (lock->ml.cookie == cookie) goto do_ast; } - mlog(0, "got %sast for unknown lock! cookie=%u:%llu, " - "name=%.*s, namelen=%u\n", past->type == DLM_AST ? "" : "b", - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name, locklen); + mlog(0, "Got %sast for unknown lock! cookie=%u:%llu, name=%.*s, " + "node=%u\n", past->type == DLM_AST ? "" : "b", + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_NORMAL; unlock_out: @@ -383,8 +386,8 @@ do_ast: if (past->type == DLM_AST) { /* do not alter lock refcount. switching lists. */ list_move_tail(&lock->list, &res->granted); - mlog(0, "ast: adding to granted list... type=%d, " - "convert_type=%d\n", lock->ml.type, lock->ml.convert_type); + mlog(0, "ast: Adding to granted list... type=%d, " + "convert_type=%d\n", lock->ml.type, lock->ml.convert_type); if (lock->ml.convert_type != LKM_IVMODE) { lock->ml.type = lock->ml.convert_type; lock->ml.convert_type = LKM_IVMODE; @@ -408,7 +411,6 @@ do_ast: dlm_do_local_bast(dlm, res, lock, past->blocked_type); leave: - if (res) dlm_lockres_put(res); diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h index d5a86fb81a4..bb53714813a 100644 --- a/fs/ocfs2/dlm/dlmcommon.h +++ b/fs/ocfs2/dlm/dlmcommon.h @@ -140,6 +140,7 @@ struct dlm_ctxt unsigned int purge_count; spinlock_t spinlock; spinlock_t ast_lock; + spinlock_t track_lock; char *name; u8 node_num; u32 key; @@ -316,6 +317,8 @@ struct dlm_lock_resource * put on a list for the dlm thread to run. */ unsigned long last_used; + struct dlm_ctxt *dlm; + unsigned migration_pending:1; atomic_t asts_reserved; spinlock_t spinlock; diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c index 1b81dcba175..b32f60a5acf 100644 --- a/fs/ocfs2/dlm/dlmdebug.c +++ b/fs/ocfs2/dlm/dlmdebug.c @@ -630,43 +630,38 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos) { struct debug_lockres *dl = m->private; struct dlm_ctxt *dlm = dl->dl_ctxt; + struct dlm_lock_resource *oldres = dl->dl_res; struct dlm_lock_resource *res = NULL; + struct list_head *track_list; - spin_lock(&dlm->spinlock); + spin_lock(&dlm->track_lock); + if (oldres) + track_list = &oldres->tracking; + else + track_list = &dlm->tracking_list; - if (dl->dl_res) { - list_for_each_entry(res, &dl->dl_res->tracking, tracking) { - if (dl->dl_res) { - dlm_lockres_put(dl->dl_res); - dl->dl_res = NULL; - } - if (&res->tracking == &dlm->tracking_list) { - mlog(0, "End of list found, %p\n", res); - dl = NULL; - break; - } + list_for_each_entry(res, track_list, tracking) { + if (&res->tracking == &dlm->tracking_list) + res = NULL; + else dlm_lockres_get(res); - dl->dl_res = res; - break; - } - } else { - if (!list_empty(&dlm->tracking_list)) { - list_for_each_entry(res, &dlm->tracking_list, tracking) - break; - dlm_lockres_get(res); - dl->dl_res = res; - } else - dl = NULL; + break; } + spin_unlock(&dlm->track_lock); - if (dl) { - spin_lock(&dl->dl_res->spinlock); - dump_lockres(dl->dl_res, dl->dl_buf, dl->dl_len - 1); - spin_unlock(&dl->dl_res->spinlock); - } + if (oldres) + dlm_lockres_put(oldres); - spin_unlock(&dlm->spinlock); + dl->dl_res = res; + + if (res) { + spin_lock(&res->spinlock); + dump_lockres(res, dl->dl_buf, dl->dl_len - 1); + spin_unlock(&res->spinlock); + } else + dl = NULL; + /* passed to seq_show */ return dl; } diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 63f8125824e..d8d578f4561 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -1550,6 +1550,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain, spin_lock_init(&dlm->spinlock); spin_lock_init(&dlm->master_lock); spin_lock_init(&dlm->ast_lock); + spin_lock_init(&dlm->track_lock); INIT_LIST_HEAD(&dlm->list); INIT_LIST_HEAD(&dlm->dirty_list); INIT_LIST_HEAD(&dlm->reco.resources); diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index 6f7a77d5402..1c9efb406a9 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -341,7 +341,6 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inc_nlink(inode); @@ -367,7 +366,6 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 44f87caf368..54e182a27ca 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -505,8 +505,10 @@ void dlm_change_lockres_owner(struct dlm_ctxt *dlm, static void dlm_lockres_release(struct kref *kref) { struct dlm_lock_resource *res; + struct dlm_ctxt *dlm; res = container_of(kref, struct dlm_lock_resource, refs); + dlm = res->dlm; /* This should not happen -- all lockres' have a name * associated with them at init time. */ @@ -515,6 +517,7 @@ static void dlm_lockres_release(struct kref *kref) mlog(0, "destroying lockres %.*s\n", res->lockname.len, res->lockname.name); + spin_lock(&dlm->track_lock); if (!list_empty(&res->tracking)) list_del_init(&res->tracking); else { @@ -522,6 +525,9 @@ static void dlm_lockres_release(struct kref *kref) res->lockname.len, res->lockname.name); dlm_print_one_lock_resource(res); } + spin_unlock(&dlm->track_lock); + + dlm_put(dlm); if (!hlist_unhashed(&res->hash_node) || !list_empty(&res->granted) || @@ -595,6 +601,10 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm, res->migration_pending = 0; res->inflight_locks = 0; + /* put in dlm_lockres_release */ + dlm_grab(dlm); + res->dlm = dlm; + kref_init(&res->refs); /* just for consistency */ @@ -722,14 +732,21 @@ lookup: if (tmpres) { int dropping_ref = 0; + spin_unlock(&dlm->spinlock); + spin_lock(&tmpres->spinlock); + /* We wait for the other thread that is mastering the resource */ + if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) { + __dlm_wait_on_lockres(tmpres); + BUG_ON(tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN); + } + if (tmpres->owner == dlm->node_num) { BUG_ON(tmpres->state & DLM_LOCK_RES_DROPPING_REF); dlm_lockres_grab_inflight_ref(dlm, tmpres); } else if (tmpres->state & DLM_LOCK_RES_DROPPING_REF) dropping_ref = 1; spin_unlock(&tmpres->spinlock); - spin_unlock(&dlm->spinlock); /* wait until done messaging the master, drop our ref to allow * the lockres to be purged, start over. */ @@ -2949,7 +2966,7 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm, struct dlm_node_iter *iter) { struct dlm_migrate_request migrate; - int ret, status = 0; + int ret, skip, status = 0; int nodenum; memset(&migrate, 0, sizeof(migrate)); @@ -2966,12 +2983,27 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm, nodenum == new_master) continue; + /* We could race exit domain. If exited, skip. */ + spin_lock(&dlm->spinlock); + skip = (!test_bit(nodenum, dlm->domain_map)); + spin_unlock(&dlm->spinlock); + if (skip) { + clear_bit(nodenum, iter->node_map); + continue; + } + ret = o2net_send_message(DLM_MIGRATE_REQUEST_MSG, dlm->key, &migrate, sizeof(migrate), nodenum, &status); - if (ret < 0) - mlog_errno(ret); - else if (status < 0) { + if (ret < 0) { + mlog(0, "migrate_request returned %d!\n", ret); + if (!dlm_is_host_down(ret)) { + mlog(ML_ERROR, "unhandled error=%d!\n", ret); + BUG(); + } + clear_bit(nodenum, iter->node_map); + ret = 0; + } else if (status < 0) { mlog(0, "migrate request (node %u) returned %d!\n", nodenum, status); ret = status; diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c index 4060bb328bc..d1295203029 100644 --- a/fs/ocfs2/dlm/dlmthread.c +++ b/fs/ocfs2/dlm/dlmthread.c @@ -181,7 +181,8 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm, spin_lock(&res->spinlock); /* This ensures that clear refmap is sent after the set */ - __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG); + __dlm_wait_on_lockres_flags(res, (DLM_LOCK_RES_SETREF_INPROG | + DLM_LOCK_RES_MIGRATING)); spin_unlock(&res->spinlock); /* clear our bit from the master's refmap, ignore errors */ diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 6e6cc0a2e5f..f731ab49179 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -32,6 +32,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/time.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_DLM_GLUE #include <cluster/masklog.h> @@ -51,6 +52,7 @@ #include "slot_map.h" #include "super.h" #include "uptodate.h" +#include "quota.h" #include "buffer_head_io.h" @@ -68,6 +70,7 @@ struct ocfs2_mask_waiter { static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres); static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres); static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres); +static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres); /* * Return value from ->downconvert_worker functions. @@ -102,6 +105,7 @@ static int ocfs2_dentry_convert_worker(struct ocfs2_lock_res *lockres, static void ocfs2_dentry_post_unlock(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres); +static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres); #define mlog_meta_lvb(__level, __lockres) ocfs2_dump_meta_lvb_info(__level, __PRETTY_FUNCTION__, __LINE__, __lockres) @@ -111,8 +115,7 @@ static void ocfs2_dump_meta_lvb_info(u64 level, unsigned int line, struct ocfs2_lock_res *lockres) { - struct ocfs2_meta_lvb *lvb = - (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); mlog(level, "LVB information for %s (called from %s:%u):\n", lockres->l_name, function, line); @@ -258,6 +261,12 @@ static struct ocfs2_lock_res_ops ocfs2_flock_lops = { .flags = 0, }; +static struct ocfs2_lock_res_ops ocfs2_qinfo_lops = { + .set_lvb = ocfs2_set_qinfo_lvb, + .get_osb = ocfs2_get_qinfo_osb, + .flags = LOCK_TYPE_REQUIRES_REFRESH | LOCK_TYPE_USES_LVB, +}; + static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres) { return lockres->l_type == OCFS2_LOCK_TYPE_META || @@ -279,6 +288,13 @@ static inline struct ocfs2_dentry_lock *ocfs2_lock_res_dl(struct ocfs2_lock_res return (struct ocfs2_dentry_lock *)lockres->l_priv; } +static inline struct ocfs2_mem_dqinfo *ocfs2_lock_res_qinfo(struct ocfs2_lock_res *lockres) +{ + BUG_ON(lockres->l_type != OCFS2_LOCK_TYPE_QINFO); + + return (struct ocfs2_mem_dqinfo *)lockres->l_priv; +} + static inline struct ocfs2_super *ocfs2_get_lockres_osb(struct ocfs2_lock_res *lockres) { if (lockres->l_ops->get_osb) @@ -507,6 +523,13 @@ static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres) return OCFS2_SB(inode->i_sb); } +static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres) +{ + struct ocfs2_mem_dqinfo *info = lockres->l_priv; + + return OCFS2_SB(info->dqi_gi.dqi_sb); +} + static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres) { struct ocfs2_file_private *fp = lockres->l_priv; @@ -609,6 +632,17 @@ void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, lockres->l_flags |= OCFS2_LOCK_NOCACHE; } +void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_mem_dqinfo *info) +{ + ocfs2_lock_res_init_once(lockres); + ocfs2_build_lock_name(OCFS2_LOCK_TYPE_QINFO, info->dqi_gi.dqi_type, + 0, lockres->l_name); + ocfs2_lock_res_init_common(OCFS2_SB(info->dqi_gi.dqi_sb), lockres, + OCFS2_LOCK_TYPE_QINFO, &ocfs2_qinfo_lops, + info); +} + void ocfs2_lock_res_free(struct ocfs2_lock_res *res) { mlog_entry_void(); @@ -1829,7 +1863,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode) mlog_entry_void(); - lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); /* * Invalidate the LVB of a deleted inode - this way other @@ -1881,7 +1915,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode) mlog_meta_lvb(0, lockres); - lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); /* We're safe here without the lockres lock... */ spin_lock(&oi->ip_lock); @@ -1916,8 +1950,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode) static inline int ocfs2_meta_lvb_is_trustable(struct inode *inode, struct ocfs2_lock_res *lockres) { - struct ocfs2_meta_lvb *lvb = - (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); if (lvb->lvb_version == OCFS2_LVB_VERSION && be32_to_cpu(lvb->lvb_igeneration) == inode->i_generation) @@ -2024,7 +2057,7 @@ static int ocfs2_inode_lock_update(struct inode *inode, } else { /* Boo, we have to go to disk. */ /* read bh, cast, ocfs2_refresh_inode */ - status = ocfs2_read_block(inode, oi->ip_blkno, bh); + status = ocfs2_read_inode_block(inode, bh); if (status < 0) { mlog_errno(status); goto bail_refresh; @@ -2032,18 +2065,14 @@ static int ocfs2_inode_lock_update(struct inode *inode, fe = (struct ocfs2_dinode *) (*bh)->b_data; /* This is a good chance to make sure we're not - * locking an invalid object. + * locking an invalid object. ocfs2_read_inode_block() + * already checked that the inode block is sane. * * We bug on a stale inode here because we checked * above whether it was wiped from disk. The wiping * node provides a guarantee that we receive that * message and can mark the inode before dropping any * locks associated with it. */ - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto bail_refresh; - } mlog_bug_on_msg(inode->i_generation != le32_to_cpu(fe->i_generation), "Invalid dinode %llu disk generation: %u " @@ -2085,7 +2114,7 @@ static int ocfs2_assign_bh(struct inode *inode, return 0; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, ret_bh); + status = ocfs2_read_inode_block(inode, ret_bh); if (status < 0) mlog_errno(status); @@ -3449,6 +3478,117 @@ static int ocfs2_dentry_convert_worker(struct ocfs2_lock_res *lockres, return UNBLOCK_CONTINUE_POST; } +static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres) +{ + struct ocfs2_qinfo_lvb *lvb; + struct ocfs2_mem_dqinfo *oinfo = ocfs2_lock_res_qinfo(lockres); + struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb, + oinfo->dqi_gi.dqi_type); + + mlog_entry_void(); + + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); + lvb->lvb_version = OCFS2_QINFO_LVB_VERSION; + lvb->lvb_bgrace = cpu_to_be32(info->dqi_bgrace); + lvb->lvb_igrace = cpu_to_be32(info->dqi_igrace); + lvb->lvb_syncms = cpu_to_be32(oinfo->dqi_syncms); + lvb->lvb_blocks = cpu_to_be32(oinfo->dqi_gi.dqi_blocks); + lvb->lvb_free_blk = cpu_to_be32(oinfo->dqi_gi.dqi_free_blk); + lvb->lvb_free_entry = cpu_to_be32(oinfo->dqi_gi.dqi_free_entry); + + mlog_exit_void(); +} + +void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb); + int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR; + + mlog_entry_void(); + if (!ocfs2_is_hard_readonly(osb) && !ocfs2_mount_local(osb)) + ocfs2_cluster_unlock(osb, lockres, level); + mlog_exit_void(); +} + +static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo) +{ + struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb, + oinfo->dqi_gi.dqi_type); + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_qinfo_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); + struct buffer_head *bh = NULL; + struct ocfs2_global_disk_dqinfo *gdinfo; + int status = 0; + + if (lvb->lvb_version == OCFS2_QINFO_LVB_VERSION) { + info->dqi_bgrace = be32_to_cpu(lvb->lvb_bgrace); + info->dqi_igrace = be32_to_cpu(lvb->lvb_igrace); + oinfo->dqi_syncms = be32_to_cpu(lvb->lvb_syncms); + oinfo->dqi_gi.dqi_blocks = be32_to_cpu(lvb->lvb_blocks); + oinfo->dqi_gi.dqi_free_blk = be32_to_cpu(lvb->lvb_free_blk); + oinfo->dqi_gi.dqi_free_entry = + be32_to_cpu(lvb->lvb_free_entry); + } else { + status = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &bh); + if (status) { + mlog_errno(status); + goto bail; + } + gdinfo = (struct ocfs2_global_disk_dqinfo *) + (bh->b_data + OCFS2_GLOBAL_INFO_OFF); + info->dqi_bgrace = le32_to_cpu(gdinfo->dqi_bgrace); + info->dqi_igrace = le32_to_cpu(gdinfo->dqi_igrace); + oinfo->dqi_syncms = le32_to_cpu(gdinfo->dqi_syncms); + oinfo->dqi_gi.dqi_blocks = le32_to_cpu(gdinfo->dqi_blocks); + oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(gdinfo->dqi_free_blk); + oinfo->dqi_gi.dqi_free_entry = + le32_to_cpu(gdinfo->dqi_free_entry); + brelse(bh); + ocfs2_track_lock_refresh(lockres); + } + +bail: + return status; +} + +/* Lock quota info, this function expects at least shared lock on the quota file + * so that we can safely refresh quota info from disk. */ +int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb); + int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR; + int status = 0; + + mlog_entry_void(); + + /* On RO devices, locking really isn't needed... */ + if (ocfs2_is_hard_readonly(osb)) { + if (ex) + status = -EROFS; + goto bail; + } + if (ocfs2_mount_local(osb)) + goto bail; + + status = ocfs2_cluster_lock(osb, lockres, level, 0, 0); + if (status < 0) { + mlog_errno(status); + goto bail; + } + if (!ocfs2_should_refresh_lock_res(lockres)) + goto bail; + /* OK, we have the lock but we need to refresh the quota info */ + status = ocfs2_refresh_qinfo(oinfo); + if (status) + ocfs2_qinfo_unlock(oinfo, ex); + ocfs2_complete_lock_res_refresh(lockres, status); +bail: + mlog_exit(status); + return status; +} + /* * This is the filesystem locking protocol. It provides the lock handling * hooks for the underlying DLM. It has a maximum version number. diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index 2bb01f09c1b..3f8d9986b8e 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -49,6 +49,19 @@ struct ocfs2_meta_lvb { __be32 lvb_reserved2; }; +#define OCFS2_QINFO_LVB_VERSION 1 + +struct ocfs2_qinfo_lvb { + __u8 lvb_version; + __u8 lvb_reserved[3]; + __be32 lvb_bgrace; + __be32 lvb_igrace; + __be32 lvb_syncms; + __be32 lvb_blocks; + __be32 lvb_free_blk; + __be32 lvb_free_entry; +}; + /* ocfs2_inode_lock_full() 'arg_flags' flags */ /* don't wait on recovery. */ #define OCFS2_META_LOCK_RECOVERY (0x01) @@ -69,6 +82,9 @@ void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl, struct ocfs2_file_private; void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_file_private *fp); +struct ocfs2_mem_dqinfo; +void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_mem_dqinfo *info); void ocfs2_lock_res_free(struct ocfs2_lock_res *res); int ocfs2_create_new_inode_locks(struct inode *inode); int ocfs2_drop_inode_locks(struct inode *inode); @@ -103,6 +119,9 @@ int ocfs2_dentry_lock(struct dentry *dentry, int ex); void ocfs2_dentry_unlock(struct dentry *dentry, int ex); int ocfs2_file_lock(struct file *file, int ex, int trylock); void ocfs2_file_unlock(struct file *file); +int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex); +void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex); + void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres); void ocfs2_simple_drop_lockres(struct ocfs2_super *osb, diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 2baedac5823..f2bb1a04d25 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -293,7 +293,7 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; - ret = ocfs2_read_block(inode, last_eb_blk, &eb_bh); + ret = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh); if (ret) { mlog_errno(ret); goto out; @@ -302,12 +302,6 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, eb = (struct ocfs2_extent_block *) eb_bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - ret = -EROFS; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - goto out; - } - if (el->l_tree_depth) { ocfs2_error(inode->i_sb, "Inode %lu has non zero tree depth in " @@ -381,23 +375,16 @@ static int ocfs2_figure_hole_clusters(struct inode *inode, if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) goto no_more_extents; - ret = ocfs2_read_block(inode, - le64_to_cpu(eb->h_next_leaf_blk), - &next_eb_bh); + ret = ocfs2_read_extent_block(inode, + le64_to_cpu(eb->h_next_leaf_blk), + &next_eb_bh); if (ret) { mlog_errno(ret); goto out; } - next_eb = (struct ocfs2_extent_block *)next_eb_bh->b_data; - - if (!OCFS2_IS_VALID_EXTENT_BLOCK(next_eb)) { - ret = -EROFS; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, next_eb); - goto out; - } + next_eb = (struct ocfs2_extent_block *)next_eb_bh->b_data; el = &next_eb->h_list; - i = ocfs2_search_for_hole_index(el, v_cluster); } @@ -630,7 +617,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, if (ret == 0) goto out; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -819,3 +806,74 @@ out: return ret; } + +int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) +{ + int rc = 0; + u64 p_block, p_count; + int i, count, done = 0; + + mlog_entry("(inode = %p, v_block = %llu, nr = %d, bhs = %p, " + "flags = %x, validate = %p)\n", + inode, (unsigned long long)v_block, nr, bhs, flags, + validate); + + if (((v_block + nr - 1) << inode->i_sb->s_blocksize_bits) >= + i_size_read(inode)) { + BUG_ON(!(flags & OCFS2_BH_READAHEAD)); + goto out; + } + + while (done < nr) { + down_read(&OCFS2_I(inode)->ip_alloc_sem); + rc = ocfs2_extent_map_get_blocks(inode, v_block + done, + &p_block, &p_count, NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (rc) { + mlog_errno(rc); + break; + } + + if (!p_block) { + rc = -EIO; + mlog(ML_ERROR, + "Inode #%llu contains a hole at offset %llu\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)(v_block + done) << + inode->i_sb->s_blocksize_bits); + break; + } + + count = nr - done; + if (p_count < count) + count = p_count; + + /* + * If the caller passed us bhs, they should have come + * from a previous readahead call to this function. Thus, + * they should have the right b_blocknr. + */ + for (i = 0; i < count; i++) { + if (!bhs[done + i]) + continue; + BUG_ON(bhs[done + i]->b_blocknr != (p_block + i)); + } + + rc = ocfs2_read_blocks(inode, p_block, count, bhs + done, + flags, validate); + if (rc) { + mlog_errno(rc); + break; + } + done += count; + } + +out: + mlog_exit(rc); + return rc; +} + + diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index 1c4aa8b06f3..b7dd9731b46 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -57,4 +57,28 @@ int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, struct ocfs2_extent_list *el); +int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)); +static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block, + struct buffer_head **bh, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) +{ + int status = 0; + + if (bh == NULL) { + printk("ocfs2: bh == NULL\n"); + status = -EINVAL; + goto bail; + } + + status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate); + +bail: + return status; +} + + #endif /* _EXTENT_MAP_H */ diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index e2570a3bc2b..e8f795f978a 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -35,6 +35,7 @@ #include <linux/mount.h> #include <linux/writeback.h> #include <linux/falloc.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_INODE #include <cluster/masklog.h> @@ -56,6 +57,8 @@ #include "suballoc.h" #include "super.h" #include "xattr.h" +#include "acl.h" +#include "quota.h" #include "buffer_head_io.h" @@ -253,8 +256,8 @@ int ocfs2_update_inode_atime(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -303,9 +306,9 @@ bail: return status; } -static int ocfs2_simple_size_update(struct inode *inode, - struct buffer_head *di_bh, - u64 new_i_size) +int ocfs2_simple_size_update(struct inode *inode, + struct buffer_head *di_bh, + u64 new_i_size) { int ret; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -350,8 +353,8 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb, goto out; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_commit; @@ -401,12 +404,9 @@ static int ocfs2_truncate_file(struct inode *inode, (unsigned long long)OCFS2_I(inode)->ip_blkno, (unsigned long long)new_i_size); + /* We trust di_bh because it comes from ocfs2_inode_lock(), which + * already validated it */ fe = (struct ocfs2_dinode *) di_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto bail; - } mlog_bug_on_msg(le64_to_cpu(fe->i_size) != i_size_read(inode), "Inode %llu, inode i_size = %lld != di " @@ -536,6 +536,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; + int did_quota = 0; mlog_entry("(clusters_to_add = %u)\n", clusters_to_add); @@ -545,18 +546,12 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, */ BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb)); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { mlog_errno(status); goto leave; } - fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto leave; - } restart_all: BUG_ON(le32_to_cpu(fe->i_clusters) != OCFS2_I(inode)->ip_clusters); @@ -585,11 +580,18 @@ restart_all: } restarted_transaction: + if (vfs_dq_alloc_space_nodirty(inode, ocfs2_clusters_to_bytes(osb->sb, + clusters_to_add))) { + status = -EDQUOT; + goto leave; + } + did_quota = 1; + /* reserve a write to the file entry early on - that we if we * run out of credits in the allocation path, we can still * update i_size. */ - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -622,6 +624,10 @@ restarted_transaction: spin_lock(&OCFS2_I(inode)->ip_lock); clusters_to_add -= (OCFS2_I(inode)->ip_clusters - prev_clusters); spin_unlock(&OCFS2_I(inode)->ip_lock); + /* Release unused quota reservation */ + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_add)); + did_quota = 0; if (why != RESTART_NONE && clusters_to_add) { if (why == RESTART_META) { @@ -654,6 +660,9 @@ restarted_transaction: OCFS2_I(inode)->ip_clusters, (long long)i_size_read(inode)); leave: + if (status < 0 && did_quota) + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_add)); if (handle) { ocfs2_commit_trans(osb, handle); handle = NULL; @@ -885,6 +894,9 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) struct ocfs2_super *osb = OCFS2_SB(sb); struct buffer_head *bh = NULL; handle_t *handle = NULL; + int locked[MAXQUOTAS] = {0, 0}; + int credits, qtype; + struct ocfs2_mem_dqinfo *oinfo; mlog_entry("(0x%p, '%.*s')\n", dentry, dentry->d_name.len, dentry->d_name.name); @@ -955,11 +967,47 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) } } - handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); - if (IS_ERR(handle)) { - status = PTR_ERR(handle); - mlog_errno(status); - goto bail_unlock; + if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || + (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { + credits = OCFS2_INODE_UPDATE_CREDITS; + if (attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid + && OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + oinfo = sb_dqinfo(sb, USRQUOTA)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto bail_unlock; + credits += ocfs2_calc_qinit_credits(sb, USRQUOTA) + + ocfs2_calc_qdel_credits(sb, USRQUOTA); + locked[USRQUOTA] = 1; + } + if (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid + && OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + oinfo = sb_dqinfo(sb, GRPQUOTA)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto bail_unlock; + credits += ocfs2_calc_qinit_credits(sb, GRPQUOTA) + + ocfs2_calc_qdel_credits(sb, GRPQUOTA); + locked[GRPQUOTA] = 1; + } + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto bail_unlock; + } + status = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0; + if (status < 0) + goto bail_commit; + } else { + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto bail_unlock; + } } /* @@ -982,6 +1030,12 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) bail_commit: ocfs2_commit_trans(osb, handle); bail_unlock: + for (qtype = 0; qtype < MAXQUOTAS; qtype++) { + if (!locked[qtype]) + continue; + oinfo = sb_dqinfo(sb, qtype)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 1); + } ocfs2_inode_unlock(inode, 1); bail_unlock_rw: if (size_change) @@ -989,6 +1043,12 @@ bail_unlock_rw: bail: brelse(bh); + if (!status && attr->ia_valid & ATTR_MODE) { + status = ocfs2_acl_chmod(inode); + if (status < 0) + mlog_errno(status); + } + mlog_exit(status); return status; } @@ -1035,7 +1095,7 @@ int ocfs2_permission(struct inode *inode, int mask) goto out; } - ret = generic_permission(inode, mask, NULL); + ret = generic_permission(inode, mask, ocfs2_check_acl); ocfs2_inode_unlock(inode, 0); out: @@ -1061,8 +1121,8 @@ static int __ocfs2_write_remove_suid(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_trans; @@ -1128,9 +1188,8 @@ static int ocfs2_write_remove_suid(struct inode *inode) { int ret; struct buffer_head *bh = NULL; - struct ocfs2_inode_info *oi = OCFS2_I(inode); - ret = ocfs2_read_block(inode, oi->ip_blkno, &bh); + ret = ocfs2_read_inode_block(inode, &bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -1156,8 +1215,7 @@ static int ocfs2_allocate_unwritten_extents(struct inode *inode, struct buffer_head *di_bh = NULL; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -1226,83 +1284,6 @@ out: return ret; } -static int __ocfs2_remove_inode_range(struct inode *inode, - struct buffer_head *di_bh, - u32 cpos, u32 phys_cpos, u32 len, - struct ocfs2_cached_dealloc_ctxt *dealloc) -{ - int ret; - u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct inode *tl_inode = osb->osb_tl_inode; - handle_t *handle; - struct ocfs2_alloc_context *meta_ac = NULL; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - struct ocfs2_extent_tree et; - - ocfs2_init_dinode_extent_tree(&et, inode, di_bh); - - ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); - if (ret) { - mlog_errno(ret); - return ret; - } - - mutex_lock(&tl_inode->i_mutex); - - if (ocfs2_truncate_log_needs_flush(osb)) { - ret = __ocfs2_flush_truncate_log(osb); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - } - - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } - - ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, - dealloc); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - OCFS2_I(inode)->ip_clusters -= len; - di->i_clusters = cpu_to_le32(OCFS2_I(inode)->ip_clusters); - - ret = ocfs2_journal_dirty(handle, di_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); - if (ret) - mlog_errno(ret); - -out_commit: - ocfs2_commit_trans(osb, handle); -out: - mutex_unlock(&tl_inode->i_mutex); - - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - - return ret; -} - /* * Truncate a byte range, avoiding pages within partial clusters. This * preserves those pages for the zeroing code to write to. @@ -1402,7 +1383,9 @@ static int ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_cached_dealloc_ctxt dealloc; struct address_space *mapping = inode->i_mapping; + struct ocfs2_extent_tree et; + ocfs2_init_dinode_extent_tree(&et, inode, di_bh); ocfs2_init_dealloc_ctxt(&dealloc); if (byte_len == 0) @@ -1458,9 +1441,9 @@ static int ocfs2_remove_inode_range(struct inode *inode, /* Only do work for non-holes */ if (phys_cpos != 0) { - ret = __ocfs2_remove_inode_range(inode, di_bh, cpos, - phys_cpos, alloc_size, - &dealloc); + ret = ocfs2_remove_btree_range(inode, &et, cpos, + phys_cpos, alloc_size, + &dealloc); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index e92382cbca5..172f9fbc9fc 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -51,6 +51,9 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret); +int ocfs2_simple_size_update(struct inode *inode, + struct buffer_head *di_bh, + u64 new_i_size); int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size, u64 zero_to); int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7aa00d51187..229e707bc05 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/pagemap.h> +#include <linux/quotaops.h> #include <asm/byteorder.h> @@ -37,6 +38,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "extent_map.h" #include "file.h" @@ -214,12 +216,11 @@ static int ocfs2_init_locked_inode(struct inode *inode, void *opaque) return 0; } -int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, - int create_ino) +void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, + int create_ino) { struct super_block *sb; struct ocfs2_super *osb; - int status = -EINVAL; int use_plocks = 1; mlog_entry("(0x%p, size:%llu)\n", inode, @@ -232,25 +233,17 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks()) use_plocks = 0; - /* this means that read_inode cannot create a superblock inode - * today. change if needed. */ - if (!OCFS2_IS_VALID_DINODE(fe) || - !(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL))) { - mlog(0, "Invalid dinode: i_ino=%lu, i_blkno=%llu, " - "signature = %.*s, flags = 0x%x\n", - inode->i_ino, - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature, le32_to_cpu(fe->i_flags)); - goto bail; - } + /* + * These have all been checked by ocfs2_read_inode_block() or set + * by ocfs2_mknod_locked(), so a failure is a code bug. + */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); /* This means that read_inode + cannot create a superblock + inode today. change if + that is needed. */ + BUG_ON(!(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL))); + BUG_ON(le32_to_cpu(fe->i_fs_generation) != osb->fs_generation); - if (le32_to_cpu(fe->i_fs_generation) != osb->fs_generation) { - mlog(ML_ERROR, "file entry generation does not match " - "superblock! osb->fs_generation=%x, " - "fe->i_fs_generation=%x\n", - osb->fs_generation, le32_to_cpu(fe->i_fs_generation)); - goto bail; - } OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters); OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr); @@ -284,14 +277,18 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, inode->i_nlink = le16_to_cpu(fe->i_links_count); - if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) + if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SYSTEM_FILE; + inode->i_flags |= S_NOQUOTA; + } if (fe->i_flags & cpu_to_le32(OCFS2_LOCAL_ALLOC_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP; mlog(0, "local alloc inode: i_ino=%lu\n", inode->i_ino); } else if (fe->i_flags & cpu_to_le32(OCFS2_BITMAP_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP; + } else if (fe->i_flags & cpu_to_le32(OCFS2_QUOTA_FL)) { + inode->i_flags |= S_NOQUOTA; } else if (fe->i_flags & cpu_to_le32(OCFS2_SUPER_BLOCK_FL)) { mlog(0, "superblock inode: i_ino=%lu\n", inode->i_ino); /* we can't actually hit this as read_inode can't @@ -354,10 +351,7 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, ocfs2_set_inode_flags(inode); - status = 0; -bail: - mlog_exit(status); - return status; + mlog_exit_void(); } static int ocfs2_read_locked_inode(struct inode *inode, @@ -460,11 +454,14 @@ static int ocfs2_read_locked_inode(struct inode *inode, } } - if (can_lock) - status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh, - OCFS2_BH_IGNORE_CACHE); - else + if (can_lock) { + status = ocfs2_read_inode_block_full(inode, &bh, + OCFS2_BH_IGNORE_CACHE); + } else { status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); + if (!status) + status = ocfs2_validate_inode_block(osb->sb, bh); + } if (status < 0) { mlog_errno(status); goto bail; @@ -472,12 +469,6 @@ static int ocfs2_read_locked_inode(struct inode *inode, status = -EINVAL; fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - mlog(0, "Invalid dinode #%llu: signature = %.*s\n", - (unsigned long long)args->fi_blkno, 7, - fe->i_signature); - goto bail; - } /* * This is a code bug. Right now the caller needs to @@ -491,10 +482,9 @@ static int ocfs2_read_locked_inode(struct inode *inode, if (S_ISCHR(le16_to_cpu(fe->i_mode)) || S_ISBLK(le16_to_cpu(fe->i_mode))) - inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev)); + inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev)); - if (ocfs2_populate_inode(inode, fe, 0) < 0) - goto bail; + ocfs2_populate_inode(inode, fe, 0); BUG_ON(args->fi_blkno != le64_to_cpu(fe->i_blkno)); @@ -547,8 +537,8 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb, goto out; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out; @@ -615,7 +605,8 @@ static int ocfs2_remove_inode(struct inode *inode, goto bail; } - handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS + + ocfs2_quota_trans_credits(inode->i_sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); mlog_errno(status); @@ -630,8 +621,8 @@ static int ocfs2_remove_inode(struct inode *inode, } /* set the inodes dtime */ - status = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail_commit; @@ -647,6 +638,7 @@ static int ocfs2_remove_inode(struct inode *inode, } ocfs2_remove_from_cache(inode, di_bh); + vfs_dq_free_inode(inode); status = ocfs2_free_dinode(handle, inode_alloc_inode, inode_alloc_bh, di); @@ -929,7 +921,10 @@ void ocfs2_delete_inode(struct inode *inode) mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - if (is_bad_inode(inode)) { + /* When we fail in read_inode() we mark inode as bad. The second test + * catches the case when inode allocation fails before allocating + * a block for inode. */ + if (is_bad_inode(inode) || !OCFS2_I(inode)->ip_blkno) { mlog(0, "Skipping delete of bad inode\n"); goto bail; } @@ -1195,8 +1190,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle, mlog_entry("(inode %llu)\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1264,3 +1259,89 @@ void ocfs2_refresh_inode(struct inode *inode, spin_unlock(&OCFS2_I(inode)->ip_lock); } + +int ocfs2_validate_inode_block(struct super_block *sb, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; + + mlog(0, "Validating dinode %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check); + if (rc) { + mlog(ML_ERROR, "Checksum failed for dinode %llu\n", + (unsigned long long)bh->b_blocknr); + goto bail; + } + + /* + * Errors after here are fatal. + */ + + rc = -EINVAL; + + if (!OCFS2_IS_VALID_DINODE(di)) { + ocfs2_error(sb, "Invalid dinode #%llu: signature = %.*s\n", + (unsigned long long)bh->b_blocknr, 7, + di->i_signature); + goto bail; + } + + if (le64_to_cpu(di->i_blkno) != bh->b_blocknr) { + ocfs2_error(sb, "Invalid dinode #%llu: i_blkno is %llu\n", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(di->i_blkno)); + goto bail; + } + + if (!(di->i_flags & cpu_to_le32(OCFS2_VALID_FL))) { + ocfs2_error(sb, + "Invalid dinode #%llu: OCFS2_VALID_FL not set\n", + (unsigned long long)bh->b_blocknr); + goto bail; + } + + if (le32_to_cpu(di->i_fs_generation) != + OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Invalid dinode #%llu: fs_generation is %u\n", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(di->i_fs_generation)); + goto bail; + } + + rc = 0; + +bail: + return rc; +} + +int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, + int flags) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, &tmp, + flags, ocfs2_validate_inode_block); + + /* If ocfs2_read_blocks() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; + + return rc; +} + +int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh) +{ + return ocfs2_read_inode_block_full(inode, bh, 0); +} diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index 2f37af9bcc4..eb3c302b38d 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -128,8 +128,8 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 feoff, unsigned flags, int sysfile_type); int ocfs2_inode_init_private(struct inode *inode); int ocfs2_inode_revalidate(struct dentry *dentry); -int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, - int create_ino); +void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, + int create_ino); void ocfs2_read_inode(struct inode *inode); void ocfs2_read_inode2(struct inode *inode, void *opaque); ssize_t ocfs2_rw_direct(int rw, struct file *filp, char *buf, @@ -142,6 +142,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle, struct buffer_head *bh); int ocfs2_aio_read(struct file *file, struct kiocb *req, struct iocb *iocb); int ocfs2_aio_write(struct file *file, struct kiocb *req, struct iocb *iocb); +struct buffer_head *ocfs2_bread(struct inode *inode, + int block, int *err, int reada); void ocfs2_set_inode_flags(struct inode *inode); void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi); @@ -153,4 +155,16 @@ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode) return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits); } +/* Validate that a bh contains a valid inode */ +int ocfs2_validate_inode_block(struct super_block *sb, + struct buffer_head *bh); +/* + * Read an inode block into *bh. If *bh is NULL, a bh will be allocated. + * This is a cached read. The inode will be validated with + * ocfs2_validate_inode_block(). + */ +int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh); +/* The same, but can be passed OCFS2_BH_* flags */ +int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, + int flags); #endif /* OCFS2_INODE_H */ diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 99fe9d584f3..57d7d25a2b9 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -35,6 +35,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dir.h" #include "dlmglue.h" #include "extent_map.h" @@ -45,6 +46,7 @@ #include "slot_map.h" #include "super.h" #include "sysfile.h" +#include "quota.h" #include "buffer_head_io.h" @@ -52,10 +54,10 @@ DEFINE_SPINLOCK(trans_inc_lock); static int ocfs2_force_read_journal(struct inode *inode); static int ocfs2_recover_node(struct ocfs2_super *osb, - int node_num); + int node_num, int slot_num); static int __ocfs2_recovery_thread(void *arg); static int ocfs2_commit_cache(struct ocfs2_super *osb); -static int ocfs2_wait_on_mount(struct ocfs2_super *osb); +static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota); static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, int dirty, int replayed); static int ocfs2_trylock_journal(struct ocfs2_super *osb, @@ -64,6 +66,17 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb, int slot); static int ocfs2_commit_thread(void *arg); +static inline int ocfs2_wait_on_mount(struct ocfs2_super *osb) +{ + return __ocfs2_wait_on_mount(osb, 0); +} + +static inline int ocfs2_wait_on_quotas(struct ocfs2_super *osb) +{ + return __ocfs2_wait_on_mount(osb, 1); +} + + /* * The recovery_list is a simple linked list of node numbers to recover. @@ -256,11 +269,9 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE); BUG_ON(max_buffs <= 0); - /* JBD might support this, but our journalling code doesn't yet. */ - if (journal_current_handle()) { - mlog(ML_ERROR, "Recursive transaction attempted!\n"); - BUG(); - } + /* Nested transaction? Just return the handle... */ + if (journal_current_handle()) + return jbd2_journal_start(journal, max_buffs); down_read(&osb->journal->j_trans_barrier); @@ -285,16 +296,18 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) int ocfs2_commit_trans(struct ocfs2_super *osb, handle_t *handle) { - int ret; + int ret, nested; struct ocfs2_journal *journal = osb->journal; BUG_ON(!handle); + nested = handle->h_ref > 1; ret = jbd2_journal_stop(handle); if (ret < 0) mlog_errno(ret); - up_read(&journal->j_trans_barrier); + if (!nested) + up_read(&journal->j_trans_barrier); return ret; } @@ -357,10 +370,137 @@ bail: return status; } -int ocfs2_journal_access(handle_t *handle, - struct inode *inode, - struct buffer_head *bh, - int type) +struct ocfs2_triggers { + struct jbd2_buffer_trigger_type ot_triggers; + int ot_offset; +}; + +static inline struct ocfs2_triggers *to_ocfs2_trigger(struct jbd2_buffer_trigger_type *triggers) +{ + return container_of(triggers, struct ocfs2_triggers, ot_triggers); +} + +static void ocfs2_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_triggers *ot = to_ocfs2_trigger(triggers); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, data + ot->ot_offset); +} + +/* + * Quota blocks have their own trigger because the struct ocfs2_block_check + * offset depends on the blocksize. + */ +static void ocfs2_dq_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_disk_dqtrailer *dqt = + ocfs2_block_dqtrailer(size, data); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, &dqt->dq_check); +} + +/* + * Directory blocks also have their own trigger because the + * struct ocfs2_block_check offset depends on the blocksize. + */ +static void ocfs2_db_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_dir_block_trailer *trailer = + ocfs2_dir_trailer_from_size(size, data); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, &trailer->db_check); +} + +static void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh) +{ + mlog(ML_ERROR, + "ocfs2_abort_trigger called by JBD2. bh = 0x%lx, " + "bh->b_blocknr = %llu\n", + (unsigned long)bh, + (unsigned long long)bh->b_blocknr); + + /* We aren't guaranteed to have the superblock here - but if we + * don't, it'll just crash. */ + ocfs2_error(bh->b_assoc_map->host->i_sb, + "JBD2 has aborted our journal, ocfs2 cannot continue\n"); +} + +static struct ocfs2_triggers di_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_dinode, i_check), +}; + +static struct ocfs2_triggers eb_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_extent_block, h_check), +}; + +static struct ocfs2_triggers gd_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_group_desc, bg_check), +}; + +static struct ocfs2_triggers db_triggers = { + .ot_triggers = { + .t_commit = ocfs2_db_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, +}; + +static struct ocfs2_triggers xb_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_xattr_block, xb_check), +}; + +static struct ocfs2_triggers dq_triggers = { + .ot_triggers = { + .t_commit = ocfs2_dq_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, +}; + +static int __ocfs2_journal_access(handle_t *handle, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_triggers *triggers, + int type) { int status; @@ -406,6 +546,8 @@ int ocfs2_journal_access(handle_t *handle, status = -EINVAL; mlog(ML_ERROR, "Uknown access type!\n"); } + if (!status && ocfs2_meta_ecc(OCFS2_SB(inode->i_sb)) && triggers) + jbd2_journal_set_triggers(bh, &triggers->ot_triggers); mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); if (status < 0) @@ -416,6 +558,54 @@ int ocfs2_journal_access(handle_t *handle, return status; } +int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &di_triggers, + type); +} + +int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &eb_triggers, + type); +} + +int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &gd_triggers, + type); +} + +int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &db_triggers, + type); +} + +int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &xb_triggers, + type); +} + +int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &dq_triggers, + type); +} + +int ocfs2_journal_access(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, NULL, type); +} + int ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh) { @@ -434,20 +624,6 @@ int ocfs2_journal_dirty(handle_t *handle, return status; } -#ifdef CONFIG_OCFS2_COMPAT_JBD -int ocfs2_journal_dirty_data(handle_t *handle, - struct buffer_head *bh) -{ - int err = journal_dirty_data(handle, bh); - if (err) - mlog_errno(err); - /* TODO: When we can handle it, abort the handle and go RO on - * error here. */ - - return err; -} -#endif - #define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE) void ocfs2_set_journal_params(struct ocfs2_super *osb) @@ -587,17 +763,11 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, mlog_entry_void(); fe = (struct ocfs2_dinode *)bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - /* This is called from startup/shutdown which will - * handle the errors in a specific manner, so no need - * to call ocfs2_error() here. */ - mlog(ML_ERROR, "Journal dinode %llu has invalid " - "signature: %.*s", - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature); - status = -EIO; - goto out; - } + + /* The journal bh on the osb always comes from ocfs2_journal_init() + * and was validated there inside ocfs2_inode_lock_full(). It's a + * code bug if we mess it up. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); flags = le32_to_cpu(fe->id1.journal1.ij_flags); if (dirty) @@ -609,11 +779,11 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, if (replayed) ocfs2_bump_recovery_generation(fe); + ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check); status = ocfs2_write_block(osb, bh, journal->j_inode); if (status < 0) mlog_errno(status); -out: mlog_exit(status); return status; } @@ -878,6 +1048,7 @@ struct ocfs2_la_recovery_item { int lri_slot; struct ocfs2_dinode *lri_la_dinode; struct ocfs2_dinode *lri_tl_dinode; + struct ocfs2_quota_recovery *lri_qrec; }; /* Does the second half of the recovery process. By this point, the @@ -898,6 +1069,7 @@ void ocfs2_complete_recovery(struct work_struct *work) struct ocfs2_super *osb = journal->j_osb; struct ocfs2_dinode *la_dinode, *tl_dinode; struct ocfs2_la_recovery_item *item, *n; + struct ocfs2_quota_recovery *qrec; LIST_HEAD(tmp_la_list); mlog_entry_void(); @@ -913,6 +1085,8 @@ void ocfs2_complete_recovery(struct work_struct *work) mlog(0, "Complete recovery for slot %d\n", item->lri_slot); + ocfs2_wait_on_quotas(osb); + la_dinode = item->lri_la_dinode; if (la_dinode) { mlog(0, "Clean up local alloc %llu\n", @@ -943,6 +1117,16 @@ void ocfs2_complete_recovery(struct work_struct *work) if (ret < 0) mlog_errno(ret); + qrec = item->lri_qrec; + if (qrec) { + mlog(0, "Recovering quota files"); + ret = ocfs2_finish_quota_recovery(osb, qrec, + item->lri_slot); + if (ret < 0) + mlog_errno(ret); + /* Recovery info is already freed now */ + } + kfree(item); } @@ -956,7 +1140,8 @@ void ocfs2_complete_recovery(struct work_struct *work) static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, int slot_num, struct ocfs2_dinode *la_dinode, - struct ocfs2_dinode *tl_dinode) + struct ocfs2_dinode *tl_dinode, + struct ocfs2_quota_recovery *qrec) { struct ocfs2_la_recovery_item *item; @@ -971,6 +1156,9 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, if (tl_dinode) kfree(tl_dinode); + if (qrec) + ocfs2_free_quota_recovery(qrec); + mlog_errno(-ENOMEM); return; } @@ -979,6 +1167,7 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, item->lri_la_dinode = la_dinode; item->lri_slot = slot_num; item->lri_tl_dinode = tl_dinode; + item->lri_qrec = qrec; spin_lock(&journal->j_lock); list_add_tail(&item->lri_list, &journal->j_la_cleanups); @@ -998,6 +1187,7 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb) ocfs2_queue_recovery_completion(journal, osb->slot_num, osb->local_alloc_copy, + NULL, NULL); ocfs2_schedule_truncate_log_flush(osb, 0); @@ -1006,11 +1196,26 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb) } } +void ocfs2_complete_quota_recovery(struct ocfs2_super *osb) +{ + if (osb->quota_rec) { + ocfs2_queue_recovery_completion(osb->journal, + osb->slot_num, + NULL, + NULL, + osb->quota_rec); + osb->quota_rec = NULL; + } +} + static int __ocfs2_recovery_thread(void *arg) { - int status, node_num; + int status, node_num, slot_num; struct ocfs2_super *osb = arg; struct ocfs2_recovery_map *rm = osb->recovery_map; + int *rm_quota = NULL; + int rm_quota_used = 0, i; + struct ocfs2_quota_recovery *qrec; mlog_entry_void(); @@ -1019,6 +1224,11 @@ static int __ocfs2_recovery_thread(void *arg) goto bail; } + rm_quota = kzalloc(osb->max_slots * sizeof(int), GFP_NOFS); + if (!rm_quota) { + status = -ENOMEM; + goto bail; + } restart: status = ocfs2_super_lock(osb, 1); if (status < 0) { @@ -1032,8 +1242,28 @@ restart: * clear it until ocfs2_recover_node() has succeeded. */ node_num = rm->rm_entries[0]; spin_unlock(&osb->osb_lock); - - status = ocfs2_recover_node(osb, node_num); + mlog(0, "checking node %d\n", node_num); + slot_num = ocfs2_node_num_to_slot(osb, node_num); + if (slot_num == -ENOENT) { + status = 0; + mlog(0, "no slot for this node, so no recovery" + "required.\n"); + goto skip_recovery; + } + mlog(0, "node %d was using slot %d\n", node_num, slot_num); + + /* It is a bit subtle with quota recovery. We cannot do it + * immediately because we have to obtain cluster locks from + * quota files and we also don't want to just skip it because + * then quota usage would be out of sync until some node takes + * the slot. So we remember which nodes need quota recovery + * and when everything else is done, we recover quotas. */ + for (i = 0; i < rm_quota_used && rm_quota[i] != slot_num; i++); + if (i == rm_quota_used) + rm_quota[rm_quota_used++] = slot_num; + + status = ocfs2_recover_node(osb, node_num, slot_num); +skip_recovery: if (!status) { ocfs2_recovery_map_clear(osb, node_num); } else { @@ -1055,13 +1285,27 @@ restart: if (status < 0) mlog_errno(status); + /* Now it is right time to recover quotas... We have to do this under + * superblock lock so that noone can start using the slot (and crash) + * before we recover it */ + for (i = 0; i < rm_quota_used; i++) { + qrec = ocfs2_begin_quota_recovery(osb, rm_quota[i]); + if (IS_ERR(qrec)) { + status = PTR_ERR(qrec); + mlog_errno(status); + continue; + } + ocfs2_queue_recovery_completion(osb->journal, rm_quota[i], + NULL, NULL, qrec); + } + ocfs2_super_unlock(osb, 1); /* We always run recovery on our own orphan dir - the dead * node(s) may have disallowd a previos inode delete. Re-processing * is therefore required. */ ocfs2_queue_recovery_completion(osb->journal, osb->slot_num, NULL, - NULL); + NULL, NULL); bail: mutex_lock(&osb->recovery_lock); @@ -1076,6 +1320,9 @@ bail: mutex_unlock(&osb->recovery_lock); + if (rm_quota) + kfree(rm_quota); + mlog_exit(status); /* no one is callint kthread_stop() for us so the kthread() api * requires that we call do_exit(). And it isn't exported, but @@ -1135,8 +1382,7 @@ static int ocfs2_read_journal_inode(struct ocfs2_super *osb, } SET_INODE_JOURNAL(inode); - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh, - OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, bh, OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; @@ -1268,6 +1514,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb, osb->slot_recovery_generations[slot_num] = ocfs2_get_recovery_generation(fe); + ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check); status = ocfs2_write_block(osb, bh, inode); if (status < 0) mlog_errno(status); @@ -1304,31 +1551,19 @@ done: * far less concerning. */ static int ocfs2_recover_node(struct ocfs2_super *osb, - int node_num) + int node_num, int slot_num) { int status = 0; - int slot_num; struct ocfs2_dinode *la_copy = NULL; struct ocfs2_dinode *tl_copy = NULL; - mlog_entry("(node_num=%d, osb->node_num = %d)\n", - node_num, osb->node_num); - - mlog(0, "checking node %d\n", node_num); + mlog_entry("(node_num=%d, slot_num=%d, osb->node_num = %d)\n", + node_num, slot_num, osb->node_num); /* Should not ever be called to recover ourselves -- in that * case we should've called ocfs2_journal_load instead. */ BUG_ON(osb->node_num == node_num); - slot_num = ocfs2_node_num_to_slot(osb, node_num); - if (slot_num == -ENOENT) { - status = 0; - mlog(0, "no slot for this node, so no recovery required.\n"); - goto done; - } - - mlog(0, "node %d was using slot %d\n", node_num, slot_num); - status = ocfs2_replay_journal(osb, node_num, slot_num); if (status < 0) { if (status == -EBUSY) { @@ -1364,7 +1599,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb, /* This will kfree the memory pointed to by la_copy and tl_copy */ ocfs2_queue_recovery_completion(osb->journal, slot_num, la_copy, - tl_copy); + tl_copy, NULL); status = 0; done: @@ -1659,13 +1894,14 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb, return ret; } -static int ocfs2_wait_on_mount(struct ocfs2_super *osb) +static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota) { /* This check is good because ocfs2 will wait on our recovery * thread before changing it to something other than MOUNTED * or DISABLED. */ wait_event(osb->osb_mount_event, - atomic_read(&osb->vol_state) == VOLUME_MOUNTED || + (!quota && atomic_read(&osb->vol_state) == VOLUME_MOUNTED) || + atomic_read(&osb->vol_state) == VOLUME_MOUNTED_QUOTAS || atomic_read(&osb->vol_state) == VOLUME_DISABLED); /* If there's an error on mount, then we may never get to the diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index d4d14e9a3ce..3c3532e1307 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -27,12 +27,7 @@ #define OCFS2_JOURNAL_H #include <linux/fs.h> -#ifndef CONFIG_OCFS2_COMPAT_JBD -# include <linux/jbd2.h> -#else -# include <linux/jbd.h> -# include "ocfs2_jbd_compat.h" -#endif +#include <linux/jbd2.h> enum ocfs2_journal_state { OCFS2_JOURNAL_FREE = 0, @@ -173,6 +168,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num); int ocfs2_mark_dead_nodes(struct ocfs2_super *osb); void ocfs2_complete_mount_recovery(struct ocfs2_super *osb); +void ocfs2_complete_quota_recovery(struct ocfs2_super *osb); static inline void ocfs2_start_checkpoint(struct ocfs2_super *osb) { @@ -216,9 +212,12 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode) * ocfs2_extend_trans - Extend a handle by nblocks credits. This may * commit the handle to disk in the process, but will * not release any locks taken during the transaction. - * ocfs2_journal_access - Notify the handle that we want to journal this + * ocfs2_journal_access* - Notify the handle that we want to journal this * buffer. Will have to call ocfs2_journal_dirty once * we've actually dirtied it. Type is one of . or . + * Always call the specific flavor of + * ocfs2_journal_access_*() unless you intend to + * manage the checksum by hand. * ocfs2_journal_dirty - Mark a journalled buffer as having dirty data. * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before * the current handle commits. @@ -248,10 +247,29 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks); #define OCFS2_JOURNAL_ACCESS_WRITE 1 #define OCFS2_JOURNAL_ACCESS_UNDO 2 -int ocfs2_journal_access(handle_t *handle, - struct inode *inode, - struct buffer_head *bh, - int type); + +/* ocfs2_inode */ +int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_extent_block */ +int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_group_desc */ +int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_xattr_block */ +int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* quota blocks */ +int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* dirblock */ +int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* Anything that has no ecc */ +int ocfs2_journal_access(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); + /* * A word about the journal_access/journal_dirty "dance". It is * entirely legal to journal_access a buffer more than once (as long @@ -273,10 +291,6 @@ int ocfs2_journal_access(handle_t *handle, */ int ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh); -#ifdef CONFIG_OCFS2_COMPAT_JBD -int ocfs2_journal_dirty_data(handle_t *handle, - struct buffer_head *bh); -#endif /* * Credit Macros: @@ -293,6 +307,37 @@ int ocfs2_journal_dirty_data(handle_t *handle, /* extended attribute block update */ #define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1 +/* global quotafile inode update, data block */ +#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) + +/* + * The two writes below can accidentally see global info dirty due + * to set_info() quotactl so make them prepared for the writes. + */ +/* quota data block, global info */ +/* Write to local quota file */ +#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + 1) + +/* global quota data block, local quota data block, global quota inode, + * global quota info */ +#define OCFS2_QSYNC_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 3) + +static inline int ocfs2_quota_trans_credits(struct super_block *sb) +{ + int credits = 0; + + if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) + credits += OCFS2_QWRITE_CREDITS; + if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) + credits += OCFS2_QWRITE_CREDITS; + return credits; +} + +/* Number of credits needed for removing quota structure from file */ +int ocfs2_calc_qdel_credits(struct super_block *sb, int type); +/* Number of credits needed for initialization of new quota structure */ +int ocfs2_calc_qinit_credits(struct super_block *sb, int type); + /* group extend. inode update and last group update. */ #define OCFS2_GROUP_EXTEND_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) @@ -303,8 +348,11 @@ int ocfs2_journal_dirty_data(handle_t *handle, * prev. group desc. if we relink. */ #define OCFS2_SUBALLOC_ALLOC (3) -#define OCFS2_INLINE_TO_EXTENTS_CREDITS (OCFS2_SUBALLOC_ALLOC \ - + OCFS2_INODE_UPDATE_CREDITS) +static inline int ocfs2_inline_to_extents_credits(struct super_block *sb) +{ + return OCFS2_SUBALLOC_ALLOC + OCFS2_INODE_UPDATE_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* dinode + group descriptor update. We don't relink on free yet. */ #define OCFS2_SUBALLOC_FREE (2) @@ -313,16 +361,23 @@ int ocfs2_journal_dirty_data(handle_t *handle, #define OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC (OCFS2_SUBALLOC_FREE \ + OCFS2_TRUNCATE_LOG_UPDATE) -#define OCFS2_REMOVE_EXTENT_CREDITS (OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS) +static inline int ocfs2_remove_extent_credits(struct super_block *sb) +{ + return OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* data block for new dir/symlink, 2 for bitmap updates (bitmap fe + * bitmap block for the new bit) */ #define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2) /* parent fe, parent block, new file entry, inode alloc fe, inode alloc - * group descriptor + mkdir/symlink blocks */ -#define OCFS2_MKNOD_CREDITS (3 + OCFS2_SUBALLOC_ALLOC \ - + OCFS2_DIR_LINK_ADDITIONAL_CREDITS) + * group descriptor + mkdir/symlink blocks + quota update */ +static inline int ocfs2_mknod_credits(struct super_block *sb) +{ + return 3 + OCFS2_SUBALLOC_ALLOC + OCFS2_DIR_LINK_ADDITIONAL_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* local alloc metadata change + main bitmap updates */ #define OCFS2_WINDOW_MOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS \ @@ -332,13 +387,21 @@ int ocfs2_journal_dirty_data(handle_t *handle, * for the dinode, one for the new block. */ #define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2) -/* file update (nlink, etc) + directory mtime/ctime + dir entry block */ -#define OCFS2_LINK_CREDITS (2*OCFS2_INODE_UPDATE_CREDITS + 1) +/* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota + * update on dir */ +static inline int ocfs2_link_credits(struct super_block *sb) +{ + return 2*OCFS2_INODE_UPDATE_CREDITS + 1 + + ocfs2_quota_trans_credits(sb); +} /* inode + dir inode (if we unlink a dir), + dir entry block + orphan * dir inode link */ -#define OCFS2_UNLINK_CREDITS (2 * OCFS2_INODE_UPDATE_CREDITS + 1 \ - + OCFS2_LINK_CREDITS) +static inline int ocfs2_unlink_credits(struct super_block *sb) +{ + /* The quota update from ocfs2_link_credits is unused here... */ + return 2 * OCFS2_INODE_UPDATE_CREDITS + 1 + ocfs2_link_credits(sb); +} /* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry + * inode alloc group descriptor */ @@ -347,8 +410,10 @@ int ocfs2_journal_dirty_data(handle_t *handle, /* dinode update, old dir dinode update, new dir dinode update, old * dir dir entry, new dir dir entry, dir entry update for renaming * directory + target unlink */ -#define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3 \ - + OCFS2_UNLINK_CREDITS) +static inline int ocfs2_rename_credits(struct super_block *sb) +{ + return 3 * OCFS2_INODE_UPDATE_CREDITS + 3 + ocfs2_unlink_credits(sb); +} /* global bitmap dinode, group desc., relinked group, * suballocator dinode, group desc., relinked group, @@ -386,18 +451,19 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb, * credit for the dinode there. */ extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); - return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks; + return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + + ocfs2_quota_trans_credits(sb); } static inline int ocfs2_calc_symlink_credits(struct super_block *sb) { - int blocks = OCFS2_MKNOD_CREDITS; + int blocks = ocfs2_mknod_credits(sb); /* links can be longer than one block so we may update many * within our single allocated extent. */ blocks += ocfs2_clusters_to_blocks(sb, 1); - return blocks; + return blocks + ocfs2_quota_trans_credits(sb); } static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb, @@ -434,6 +500,8 @@ static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb, /* update to the truncate log. */ credits += OCFS2_TRUNCATE_LOG_UPDATE; + credits += ocfs2_quota_trans_credits(sb); + return credits; } diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 687b28713c3..ec70cdbe77f 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -36,6 +36,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "inode.h" #include "journal.h" @@ -248,8 +249,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) goto bail; } - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, &alloc_bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; @@ -382,8 +383,8 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) } memcpy(alloc_copy, alloc, bh->b_size); - status = ocfs2_journal_access(handle, local_alloc_inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_commit; @@ -459,8 +460,8 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, mutex_lock(&inode->i_mutex); - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, &alloc_bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; @@ -476,6 +477,7 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, alloc = (struct ocfs2_dinode *) alloc_bh->b_data; ocfs2_clear_local_alloc(alloc); + ocfs2_compute_meta_ecc(osb->sb, alloc_bh->b_data, &alloc->i_check); status = ocfs2_write_block(osb, alloc_bh, inode); if (status < 0) mlog_errno(status); @@ -762,9 +764,9 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb, * delete bits from it! */ *num_bits = bits_wanted; - status = ocfs2_journal_access(handle, local_alloc_inode, - osb->local_alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, + osb->local_alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1240,9 +1242,9 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, } memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size); - status = ocfs2_journal_access(handle, local_alloc_inode, - osb->local_alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, + osb->local_alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 2545e7402ef..084aba86c3b 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -40,6 +40,7 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_NAMEI #include <cluster/masklog.h> @@ -61,17 +62,18 @@ #include "sysfile.h" #include "uptodate.h" #include "xattr.h" +#include "acl.h" #include "buffer_head_io.h" static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct inode *dir, - struct dentry *dentry, int mode, + struct inode *inode, + struct dentry *dentry, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, handle_t *handle, - struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac); static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, @@ -186,6 +188,35 @@ bail: return ret; } +static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) +{ + struct inode *inode; + + inode = new_inode(dir->i_sb); + if (!inode) { + mlog(ML_ERROR, "new_inode failed!\n"); + return NULL; + } + + /* populate as many fields early on as possible - many of + * these are used by the support functions here and in + * callers. */ + if (S_ISDIR(mode)) + inode->i_nlink = 2; + else + inode->i_nlink = 1; + inode->i_uid = current_fsuid(); + if (dir->i_mode & S_ISGID) { + inode->i_gid = dir->i_gid; + if (S_ISDIR(mode)) + mode |= S_ISGID; + } else + inode->i_gid = current_fsgid(); + inode->i_mode = mode; + vfs_dq_init(inode); + return inode; +} + static int ocfs2_mknod(struct inode *dir, struct dentry *dentry, int mode, @@ -201,6 +232,13 @@ static int ocfs2_mknod(struct inode *dir, struct inode *inode = NULL; struct ocfs2_alloc_context *inode_ac = NULL; struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *xattr_ac = NULL; + int want_clusters = 0; + int xattr_credits = 0; + struct ocfs2_security_xattr_info si = { + .enable = 1, + }; + int did_quota_inode = 0; mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, (unsigned long)dev, dentry->d_name.len, @@ -250,17 +288,46 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - /* Reserve a cluster if creating an extent based directory. */ - if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) { - status = ocfs2_reserve_clusters(osb, 1, &data_ac); - if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); + inode = ocfs2_get_init_inode(dir, mode); + if (!inode) { + status = -ENOMEM; + mlog_errno(status); + goto leave; + } + + /* get security xattr */ + status = ocfs2_init_security_get(inode, dir, &si); + if (status) { + if (status == -EOPNOTSUPP) + si.enable = 0; + else { + mlog_errno(status); goto leave; } } - handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS); + /* calculate meta data/clusters for setting security and acl xattr */ + status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode, + &si, &want_clusters, + &xattr_credits, &xattr_ac); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + /* Reserve a cluster if creating an extent based directory. */ + if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) + want_clusters += 1; + + status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); + if (status < 0) { + if (status != -ENOSPC) + mlog_errno(status); + goto leave; + } + + handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb) + + xattr_credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -268,10 +335,19 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } + /* We don't use standard VFS wrapper because we don't want vfs_dq_init + * to be called. */ + if (sb_any_quota_active(osb->sb) && + osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { + status = -EDQUOT; + goto leave; + } + did_quota_inode = 1; + /* do the real work now. */ - status = ocfs2_mknod_locked(osb, dir, dentry, mode, dev, + status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev, &new_fe_bh, parent_fe_bh, handle, - &inode, inode_ac); + inode_ac); if (status < 0) { mlog_errno(status); goto leave; @@ -285,8 +361,8 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - status = ocfs2_journal_access(handle, dir, parent_fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, dir, parent_fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -300,6 +376,22 @@ static int ocfs2_mknod(struct inode *dir, inc_nlink(dir); } + status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + if (si.enable) { + status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto leave; + } + } + status = ocfs2_add_entry(handle, dentry, inode, OCFS2_I(inode)->ip_blkno, parent_fe_bh, de_bh); @@ -320,6 +412,8 @@ static int ocfs2_mknod(struct inode *dir, d_instantiate(dentry, inode); status = 0; leave: + if (status < 0 && did_quota_inode) + vfs_dq_free_inode(inode); if (handle) ocfs2_commit_trans(osb, handle); @@ -331,9 +425,13 @@ leave: brelse(new_fe_bh); brelse(de_bh); brelse(parent_fe_bh); + kfree(si.name); + kfree(si.value); - if ((status < 0) && inode) + if ((status < 0) && inode) { + clear_nlink(inode); iput(inode); + } if (inode_ac) ocfs2_free_alloc_context(inode_ac); @@ -341,6 +439,9 @@ leave: if (data_ac) ocfs2_free_alloc_context(data_ac); + if (xattr_ac) + ocfs2_free_alloc_context(xattr_ac); + mlog_exit(status); return status; @@ -348,12 +449,12 @@ leave: static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct inode *dir, - struct dentry *dentry, int mode, + struct inode *inode, + struct dentry *dentry, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, handle_t *handle, - struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac) { int status = 0; @@ -361,14 +462,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct ocfs2_extent_list *fel; u64 fe_blkno = 0; u16 suballoc_bit; - struct inode *inode = NULL; - mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, - (unsigned long)dev, dentry->d_name.len, + mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, + inode->i_mode, (unsigned long)dev, dentry->d_name.len, dentry->d_name.name); *new_fe_bh = NULL; - *ret_inode = NULL; status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit, &fe_blkno); @@ -377,23 +476,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, goto leave; } - inode = new_inode(dir->i_sb); - if (!inode) { - status = -ENOMEM; - mlog(ML_ERROR, "new_inode failed!\n"); - goto leave; - } - /* populate as many fields early on as possible - many of * these are used by the support functions here and in * callers. */ inode->i_ino = ino_from_blkno(osb->sb, fe_blkno); OCFS2_I(inode)->ip_blkno = fe_blkno; - if (S_ISDIR(mode)) - inode->i_nlink = 2; - else - inode->i_nlink = 1; - inode->i_mode = mode; spin_lock(&osb->osb_lock); inode->i_generation = osb->s_next_generation++; spin_unlock(&osb->osb_lock); @@ -406,8 +493,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, } ocfs2_set_new_buffer_uptodate(inode, *new_fe_bh); - status = ocfs2_journal_access(handle, inode, *new_fe_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_di(handle, inode, *new_fe_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto leave; @@ -421,17 +508,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, fe->i_blkno = cpu_to_le64(fe_blkno); fe->i_suballoc_bit = cpu_to_le16(suballoc_bit); fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot); - fe->i_uid = cpu_to_le32(current_fsuid()); - if (dir->i_mode & S_ISGID) { - fe->i_gid = cpu_to_le32(dir->i_gid); - if (S_ISDIR(mode)) - mode |= S_ISGID; - } else - fe->i_gid = cpu_to_le32(current_fsgid()); - fe->i_mode = cpu_to_le16(mode); - if (S_ISCHR(mode) || S_ISBLK(mode)) + fe->i_uid = cpu_to_le32(inode->i_uid); + fe->i_gid = cpu_to_le32(inode->i_gid); + fe->i_mode = cpu_to_le16(inode->i_mode); + if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev)); - fe->i_links_count = cpu_to_le16(inode->i_nlink); fe->i_last_eb_blk = 0; @@ -446,7 +527,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, /* * If supported, directories start with inline data. */ - if (S_ISDIR(mode) && ocfs2_supports_inline_data(osb)) { + if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) { u16 feat = le16_to_cpu(fe->i_dyn_features); fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL); @@ -465,15 +546,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, goto leave; } - if (ocfs2_populate_inode(inode, fe, 1) < 0) { - mlog(ML_ERROR, "populate inode failed! bh->b_blocknr=%llu, " - "i_blkno=%llu, i_ino=%lu\n", - (unsigned long long)(*new_fe_bh)->b_blocknr, - (unsigned long long)le64_to_cpu(fe->i_blkno), - inode->i_ino); - BUG(); - } - + ocfs2_populate_inode(inode, fe, 1); ocfs2_inode_set_new(osb, inode); if (!ocfs2_mount_local(osb)) { status = ocfs2_create_new_inode_locks(inode); @@ -484,17 +557,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, status = 0; /* error in ocfs2_create_new_inode_locks is not * critical */ - *ret_inode = inode; leave: if (status < 0) { if (*new_fe_bh) { brelse(*new_fe_bh); *new_fe_bh = NULL; } - if (inode) { - clear_nlink(inode); - iput(inode); - } } mlog_exit(status); @@ -588,7 +656,7 @@ static int ocfs2_link(struct dentry *old_dentry, goto out_unlock_inode; } - handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_link_credits(osb->sb)); if (IS_ERR(handle)) { err = PTR_ERR(handle); handle = NULL; @@ -596,8 +664,8 @@ static int ocfs2_link(struct dentry *old_dentry, goto out_unlock_inode; } - err = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + err = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (err < 0) { mlog_errno(err); goto out_commit; @@ -775,7 +843,7 @@ static int ocfs2_unlink(struct inode *dir, } } - handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_unlink_credits(osb->sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -783,8 +851,8 @@ static int ocfs2_unlink(struct inode *dir, goto leave; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1181,7 +1249,7 @@ static int ocfs2_rename(struct inode *old_dir, } } - handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1197,8 +1265,8 @@ static int ocfs2_rename(struct inode *old_dir, goto bail; } } - status = ocfs2_journal_access(handle, new_inode, newfe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, new_inode, newfe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1244,8 +1312,8 @@ static int ocfs2_rename(struct inode *old_dir, old_inode->i_ctime = CURRENT_TIME; mark_inode_dirty(old_inode); - status = ocfs2_journal_access(handle, old_inode, old_inode_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, old_inode, old_inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status >= 0) { old_di = (struct ocfs2_dinode *) old_inode_bh->b_data; @@ -1321,9 +1389,9 @@ static int ocfs2_rename(struct inode *old_dir, (int)old_dir_nlink, old_dir->i_nlink); } else { struct ocfs2_dinode *fe; - status = ocfs2_journal_access(handle, old_dir, - old_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, old_dir, + old_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); fe = (struct ocfs2_dinode *) old_dir_bh->b_data; fe->i_links_count = cpu_to_le16(old_dir->i_nlink); status = ocfs2_journal_dirty(handle, old_dir_bh); @@ -1496,6 +1564,13 @@ static int ocfs2_symlink(struct inode *dir, handle_t *handle = NULL; struct ocfs2_alloc_context *inode_ac = NULL; struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *xattr_ac = NULL; + int want_clusters = 0; + int xattr_credits = 0; + struct ocfs2_security_xattr_info si = { + .enable = 1, + }; + int did_quota = 0, did_quota_inode = 0; mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir, dentry, symname, dentry->d_name.len, dentry->d_name.name); @@ -1542,17 +1617,46 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } - /* don't reserve bitmap space for fast symlinks. */ - if (l > ocfs2_fast_symlink_chars(sb)) { - status = ocfs2_reserve_clusters(osb, 1, &data_ac); + inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO); + if (!inode) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + + /* get security xattr */ + status = ocfs2_init_security_get(inode, dir, &si); + if (status) { + if (status == -EOPNOTSUPP) + si.enable = 0; + else { + mlog_errno(status); + goto bail; + } + } + + /* calculate meta data/clusters for setting security xattr */ + if (si.enable) { + status = ocfs2_calc_security_init(dir, &si, &want_clusters, + &xattr_credits, &xattr_ac); if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); + mlog_errno(status); goto bail; } } - handle = ocfs2_start_trans(osb, credits); + /* don't reserve bitmap space for fast symlinks. */ + if (l > ocfs2_fast_symlink_chars(sb)) + want_clusters += 1; + + status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); + if (status < 0) { + if (status != -ENOSPC) + mlog_errno(status); + goto bail; + } + + handle = ocfs2_start_trans(osb, credits + xattr_credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1560,10 +1664,18 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } - status = ocfs2_mknod_locked(osb, dir, dentry, - S_IFLNK | S_IRWXUGO, 0, - &new_fe_bh, parent_fe_bh, handle, - &inode, inode_ac); + /* We don't use standard VFS wrapper because we don't want vfs_dq_init + * to be called. */ + if (sb_any_quota_active(osb->sb) && + osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { + status = -EDQUOT; + goto bail; + } + did_quota_inode = 1; + + status = ocfs2_mknod_locked(osb, dir, inode, dentry, + 0, &new_fe_bh, parent_fe_bh, handle, + inode_ac); if (status < 0) { mlog_errno(status); goto bail; @@ -1576,6 +1688,12 @@ static int ocfs2_symlink(struct inode *dir, u32 offset = 0; inode->i_op = &ocfs2_symlink_inode_operations; + if (vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1))) { + status = -EDQUOT; + goto bail; + } + did_quota = 1; status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0, new_fe_bh, handle, data_ac, NULL, @@ -1614,6 +1732,15 @@ static int ocfs2_symlink(struct inode *dir, } } + if (si.enable) { + status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto bail; + } + } + status = ocfs2_add_entry(handle, dentry, inode, le64_to_cpu(fe->i_blkno), parent_fe_bh, de_bh); @@ -1632,6 +1759,11 @@ static int ocfs2_symlink(struct inode *dir, dentry->d_op = &ocfs2_dentry_ops; d_instantiate(dentry, inode); bail: + if (status < 0 && did_quota) + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1)); + if (status < 0 && did_quota_inode) + vfs_dq_free_inode(inode); if (handle) ocfs2_commit_trans(osb, handle); @@ -1640,12 +1772,18 @@ bail: brelse(new_fe_bh); brelse(parent_fe_bh); brelse(de_bh); + kfree(si.name); + kfree(si.value); if (inode_ac) ocfs2_free_alloc_context(inode_ac); if (data_ac) ocfs2_free_alloc_context(data_ac); - if ((status < 0) && inode) + if (xattr_ac) + ocfs2_free_alloc_context(xattr_ac); + if ((status < 0) && inode) { + clear_nlink(inode); iput(inode); + } mlog_exit(status); @@ -1754,16 +1892,14 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - status = ocfs2_read_block(orphan_dir_inode, - OCFS2_I(orphan_dir_inode)->ip_blkno, - &orphan_dir_bh); + status = ocfs2_read_inode_block(orphan_dir_inode, &orphan_dir_bh); if (status < 0) { mlog_errno(status); goto leave; } - status = ocfs2_journal_access(handle, orphan_dir_inode, orphan_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, orphan_dir_inode, orphan_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1850,8 +1986,8 @@ int ocfs2_orphan_del(struct ocfs2_super *osb, goto leave; } - status = ocfs2_journal_access(handle,orphan_dir_inode, orphan_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle,orphan_dir_inode, orphan_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 3fed9e3d899..ad5c24a29ed 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -161,6 +161,7 @@ enum ocfs2_vol_state { VOLUME_INIT = 0, VOLUME_MOUNTED, + VOLUME_MOUNTED_QUOTAS, VOLUME_DISMOUNTED, VOLUME_DISABLED }; @@ -195,6 +196,9 @@ enum ocfs2_mount_options OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */ OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */ OCFS2_MOUNT_INODE64 = 1 << 7, /* Allow inode numbers > 2^32 */ + OCFS2_MOUNT_POSIX_ACL = 1 << 8, /* POSIX access control lists */ + OCFS2_MOUNT_USRQUOTA = 1 << 9, /* We support user quotas */ + OCFS2_MOUNT_GRPQUOTA = 1 << 10, /* We support group quotas */ }; #define OCFS2_OSB_SOFT_RO 0x0001 @@ -205,6 +209,7 @@ enum ocfs2_mount_options struct ocfs2_journal; struct ocfs2_slot_info; struct ocfs2_recovery_map; +struct ocfs2_quota_recovery; struct ocfs2_super { struct task_struct *commit_task; @@ -286,10 +291,11 @@ struct ocfs2_super char *local_alloc_debug_buf; #endif - /* Next two fields are for local node slot recovery during + /* Next three fields are for local node slot recovery during * mount. */ int dirty; struct ocfs2_dinode *local_alloc_copy; + struct ocfs2_quota_recovery *quota_rec; struct ocfs2_alloc_stats alloc_stats; char dev_str[20]; /* "major,minor" of the device */ @@ -333,6 +339,10 @@ struct ocfs2_super #define OCFS2_SB(sb) ((struct ocfs2_super *)(sb)->s_fs_info) +/* Useful typedef for passing around journal access functions */ +typedef int (*ocfs2_journal_access_func)(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); + static inline int ocfs2_should_order_data(struct inode *inode) { if (!S_ISREG(inode->i_mode)) @@ -376,6 +386,13 @@ static inline int ocfs2_supports_xattr(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_meta_ecc(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_META_ECC) + return 1; + return 0; +} + /* set / clear functions because cluster events can make these happen * in parallel so we want the transitions to be atomic. this also * means that any future flags osb_flags must be protected by spinlock @@ -443,39 +460,19 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_DINODE(ptr) \ (!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_DINODE(__sb, __di) do { \ - typeof(__di) ____di = (__di); \ - ocfs2_error((__sb), \ - "Dinode # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____di)->i_blkno), 7, \ - (____di)->i_signature); \ -} while (0) - #define OCFS2_IS_VALID_EXTENT_BLOCK(ptr) \ (!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_EXTENT_BLOCK(__sb, __eb) do { \ - typeof(__eb) ____eb = (__eb); \ - ocfs2_error((__sb), \ - "Extent Block # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____eb)->h_blkno), 7, \ - (____eb)->h_signature); \ -} while (0) - #define OCFS2_IS_VALID_GROUP_DESC(ptr) \ (!strcmp((ptr)->bg_signature, OCFS2_GROUP_DESC_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_GROUP_DESC(__sb, __gd) do { \ - typeof(__gd) ____gd = (__gd); \ - ocfs2_error((__sb), \ - "Group Descriptor # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____gd)->bg_blkno), 7, \ - (____gd)->bg_signature); \ -} while (0) #define OCFS2_IS_VALID_XATTR_BLOCK(ptr) \ (!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE)) +#define OCFS2_IS_VALID_DIR_TRAILER(ptr) \ + (!strcmp((ptr)->db_signature, OCFS2_DIR_TRAILER_SIGNATURE)) + static inline unsigned long ino_from_blkno(struct super_block *sb, u64 blkno) { @@ -632,5 +629,6 @@ static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb) #define ocfs2_clear_bit ext2_clear_bit #define ocfs2_test_bit ext2_test_bit #define ocfs2_find_next_zero_bit ext2_find_next_zero_bit +#define ocfs2_find_next_bit ext2_find_next_bit #endif /* OCFS2_H */ diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 5e0c0d0aef7..c7ae45aaa36 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -65,6 +65,7 @@ #define OCFS2_EXTENT_BLOCK_SIGNATURE "EXBLK01" #define OCFS2_GROUP_DESC_SIGNATURE "GROUP01" #define OCFS2_XATTR_BLOCK_SIGNATURE "XATTR01" +#define OCFS2_DIR_TRAILER_SIGNATURE "DIRTRL1" /* Compatibility flags */ #define OCFS2_HAS_COMPAT_FEATURE(sb,mask) \ @@ -93,8 +94,11 @@ | OCFS2_FEATURE_INCOMPAT_INLINE_DATA \ | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \ | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \ - | OCFS2_FEATURE_INCOMPAT_XATTR) -#define OCFS2_FEATURE_RO_COMPAT_SUPP OCFS2_FEATURE_RO_COMPAT_UNWRITTEN + | OCFS2_FEATURE_INCOMPAT_XATTR \ + | OCFS2_FEATURE_INCOMPAT_META_ECC) +#define OCFS2_FEATURE_RO_COMPAT_SUPP (OCFS2_FEATURE_RO_COMPAT_UNWRITTEN \ + | OCFS2_FEATURE_RO_COMPAT_USRQUOTA \ + | OCFS2_FEATURE_RO_COMPAT_GRPQUOTA) /* * Heartbeat-only devices are missing journals and other files. The @@ -147,6 +151,9 @@ /* Support for extended attributes */ #define OCFS2_FEATURE_INCOMPAT_XATTR 0x0200 +/* Metadata checksum and error correction */ +#define OCFS2_FEATURE_INCOMPAT_META_ECC 0x0800 + /* * backup superblock flag is used to indicate that this volume * has backup superblocks. @@ -163,6 +170,12 @@ */ #define OCFS2_FEATURE_RO_COMPAT_UNWRITTEN 0x0001 +/* + * Maintain quota information for this filesystem + */ +#define OCFS2_FEATURE_RO_COMPAT_USRQUOTA 0x0002 +#define OCFS2_FEATURE_RO_COMPAT_GRPQUOTA 0x0004 + /* The byte offset of the first backup block will be 1G. * The following will be 4G, 16G, 64G, 256G and 1T. */ @@ -192,6 +205,7 @@ #define OCFS2_HEARTBEAT_FL (0x00000200) /* Heartbeat area */ #define OCFS2_CHAIN_FL (0x00000400) /* Chain allocator */ #define OCFS2_DEALLOC_FL (0x00000800) /* Truncate log */ +#define OCFS2_QUOTA_FL (0x00001000) /* Quota file */ /* * Flags on ocfs2_dinode.i_dyn_features @@ -329,13 +343,17 @@ enum { #define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE HEARTBEAT_SYSTEM_INODE, GLOBAL_BITMAP_SYSTEM_INODE, -#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GLOBAL_BITMAP_SYSTEM_INODE + USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE, +#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GROUP_QUOTA_SYSTEM_INODE ORPHAN_DIR_SYSTEM_INODE, EXTENT_ALLOC_SYSTEM_INODE, INODE_ALLOC_SYSTEM_INODE, JOURNAL_SYSTEM_INODE, LOCAL_ALLOC_SYSTEM_INODE, TRUNCATE_LOG_SYSTEM_INODE, + LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE, NUM_SYSTEM_INODES }; @@ -349,6 +367,8 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { [SLOT_MAP_SYSTEM_INODE] = { "slot_map", 0, S_IFREG | 0644 }, [HEARTBEAT_SYSTEM_INODE] = { "heartbeat", OCFS2_HEARTBEAT_FL, S_IFREG | 0644 }, [GLOBAL_BITMAP_SYSTEM_INODE] = { "global_bitmap", 0, S_IFREG | 0644 }, + [USER_QUOTA_SYSTEM_INODE] = { "aquota.user", OCFS2_QUOTA_FL, S_IFREG | 0644 }, + [GROUP_QUOTA_SYSTEM_INODE] = { "aquota.group", OCFS2_QUOTA_FL, S_IFREG | 0644 }, /* Slot-specific system inodes (one copy per slot) */ [ORPHAN_DIR_SYSTEM_INODE] = { "orphan_dir:%04d", 0, S_IFDIR | 0755 }, @@ -356,7 +376,9 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { [INODE_ALLOC_SYSTEM_INODE] = { "inode_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_CHAIN_FL, S_IFREG | 0644 }, [JOURNAL_SYSTEM_INODE] = { "journal:%04d", OCFS2_JOURNAL_FL, S_IFREG | 0644 }, [LOCAL_ALLOC_SYSTEM_INODE] = { "local_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_LOCAL_ALLOC_FL, S_IFREG | 0644 }, - [TRUNCATE_LOG_SYSTEM_INODE] = { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 } + [TRUNCATE_LOG_SYSTEM_INODE] = { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 }, + [LOCAL_USER_QUOTA_SYSTEM_INODE] = { "aquota.user:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 }, + [LOCAL_GROUP_QUOTA_SYSTEM_INODE] = { "aquota.group:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 }, }; /* Parameter passed from mount.ocfs2 to module */ @@ -410,6 +432,22 @@ static unsigned char ocfs2_type_by_mode[S_IFMT >> S_SHIFT] = { #define OCFS2_RAW_SB(dinode) (&((dinode)->id2.i_super)) /* + * Block checking structure. This is used in metadata to validate the + * contents. If OCFS2_FEATURE_INCOMPAT_META_ECC is not set, it is all + * zeros. + */ +struct ocfs2_block_check { +/*00*/ __le32 bc_crc32e; /* 802.3 Ethernet II CRC32 */ + __le16 bc_ecc; /* Single-error-correction parity vector. + This is a simple Hamming code dependant + on the blocksize. OCFS2's maximum + blocksize, 4K, requires 16 parity bits, + so we fit in __le16. */ + __le16 bc_reserved1; +/*08*/ +}; + +/* * On disk extent record for OCFS2 * It describes a range of clusters on disk. * @@ -496,7 +534,7 @@ struct ocfs2_truncate_log { struct ocfs2_extent_block { /*00*/ __u8 h_signature[8]; /* Signature for verification */ - __le64 h_reserved1; + struct ocfs2_block_check h_check; /* Error checking */ /*10*/ __le16 h_suballoc_slot; /* Slot suballocator this extent_header belongs to */ __le16 h_suballoc_bit; /* Bit offset in suballocator @@ -666,7 +704,8 @@ struct ocfs2_dinode { was set in i_flags */ __le16 i_dyn_features; __le64 i_xattr_loc; -/*80*/ __le64 i_reserved2[7]; +/*80*/ struct ocfs2_block_check i_check; /* Error checking */ +/*88*/ __le64 i_reserved2[6]; /*B8*/ union { __le64 i_pad1; /* Generic way to refer to this 64bit union */ @@ -715,6 +754,34 @@ struct ocfs2_dir_entry { } __attribute__ ((packed)); /* + * Per-block record for the unindexed directory btree. This is carefully + * crafted so that the rec_len and name_len records of an ocfs2_dir_entry are + * mirrored. That way, the directory manipulation code needs a minimal amount + * of update. + * + * NOTE: Keep this structure aligned to a multiple of 4 bytes. + */ +struct ocfs2_dir_block_trailer { +/*00*/ __le64 db_compat_inode; /* Always zero. Was inode */ + + __le16 db_compat_rec_len; /* Backwards compatible with + * ocfs2_dir_entry. */ + __u8 db_compat_name_len; /* Always zero. Was name_len */ + __u8 db_reserved0; + __le16 db_reserved1; + __le16 db_free_rec_len; /* Size of largest empty hole + * in this block. (unused) */ +/*10*/ __u8 db_signature[8]; /* Signature for verification */ + __le64 db_reserved2; + __le64 db_free_next; /* Next block in list (unused) */ +/*20*/ __le64 db_blkno; /* Offset on disk, in blocks */ + __le64 db_parent_dinode; /* dinode which owns me, in + blocks */ +/*30*/ struct ocfs2_block_check db_check; /* Error checking */ +/*40*/ +}; + +/* * On disk allocator group structure for OCFS2 */ struct ocfs2_group_desc @@ -733,7 +800,8 @@ struct ocfs2_group_desc /*20*/ __le64 bg_parent_dinode; /* dinode which owns me, in blocks */ __le64 bg_blkno; /* Offset on disk, in blocks */ -/*30*/ __le64 bg_reserved2[2]; +/*30*/ struct ocfs2_block_check bg_check; /* Error checking */ + __le64 bg_reserved2; /*40*/ __u8 bg_bitmap[0]; }; @@ -776,7 +844,12 @@ struct ocfs2_xattr_header { in this extent record, only valid in the first bucket. */ - __le64 xh_csum; + struct ocfs2_block_check xh_check; /* Error checking + (Note, this is only + used for xattr + buckets. A block uses + xb_check and sets + this field to zero.) */ struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */ }; @@ -827,7 +900,7 @@ struct ocfs2_xattr_block { block group */ __le32 xb_fs_generation; /* Must match super block */ /*10*/ __le64 xb_blkno; /* Offset on disk, in blocks */ - __le64 xb_csum; + struct ocfs2_block_check xb_check; /* Error checking */ /*20*/ __le16 xb_flags; /* Indicates whether this block contains real xattr or a xattr tree. */ __le16 xb_reserved0; @@ -868,6 +941,128 @@ static inline int ocfs2_xattr_get_type(struct ocfs2_xattr_entry *xe) return xe->xe_type & OCFS2_XATTR_TYPE_MASK; } +/* + * On disk structures for global quota file + */ + +/* Magic numbers and known versions for global quota files */ +#define OCFS2_GLOBAL_QMAGICS {\ + 0x0cf52470, /* USRQUOTA */ \ + 0x0cf52471 /* GRPQUOTA */ \ +} + +#define OCFS2_GLOBAL_QVERSIONS {\ + 0, \ + 0, \ +} + + +/* Each block of each quota file has a certain fixed number of bytes reserved + * for OCFS2 internal use at its end. OCFS2 can use it for things like + * checksums, etc. */ +#define OCFS2_QBLK_RESERVED_SPACE 8 + +/* Generic header of all quota files */ +struct ocfs2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* Quota format version */ +}; + +#define OCFS2_GLOBAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader)) + +/* Information header of global quota file (immediately follows the generic + * header) */ +struct ocfs2_global_disk_dqinfo { +/*00*/ __le32 dqi_bgrace; /* Grace time for space softlimit excess */ + __le32 dqi_igrace; /* Grace time for inode softlimit excess */ + __le32 dqi_syncms; /* Time after which we sync local changes to + * global quota file */ + __le32 dqi_blocks; /* Number of blocks in quota file */ +/*10*/ __le32 dqi_free_blk; /* First free block in quota file */ + __le32 dqi_free_entry; /* First block with free dquot entry in quota + * file */ +}; + +/* Structure with global user / group information. We reserve some space + * for future use. */ +struct ocfs2_global_disk_dqblk { +/*00*/ __le32 dqb_id; /* ID the structure belongs to */ + __le32 dqb_use_count; /* Number of nodes having reference to this structure */ + __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ +/*10*/ __le64 dqb_isoftlimit; /* preferred inode limit */ + __le64 dqb_curinodes; /* current # allocated inodes */ +/*20*/ __le64 dqb_bhardlimit; /* absolute limit on disk space */ + __le64 dqb_bsoftlimit; /* preferred limit on disk space */ +/*30*/ __le64 dqb_curspace; /* current space occupied */ + __le64 dqb_btime; /* time limit for excessive disk use */ +/*40*/ __le64 dqb_itime; /* time limit for excessive inode use */ + __le64 dqb_pad1; +/*50*/ __le64 dqb_pad2; +}; + +/* + * On-disk structures for local quota file + */ + +/* Magic numbers and known versions for local quota files */ +#define OCFS2_LOCAL_QMAGICS {\ + 0x0cf524c0, /* USRQUOTA */ \ + 0x0cf524c1 /* GRPQUOTA */ \ +} + +#define OCFS2_LOCAL_QVERSIONS {\ + 0, \ + 0, \ +} + +/* Quota flags in dqinfo header */ +#define OLQF_CLEAN 0x0001 /* Quota file is empty (this should be after\ + * quota has been cleanly turned off) */ + +#define OCFS2_LOCAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader)) + +/* Information header of local quota file (immediately follows the generic + * header) */ +struct ocfs2_local_disk_dqinfo { + __le32 dqi_flags; /* Flags for quota file */ + __le32 dqi_chunks; /* Number of chunks of quota structures + * with a bitmap */ + __le32 dqi_blocks; /* Number of blocks allocated for quota file */ +}; + +/* Header of one chunk of a quota file */ +struct ocfs2_local_disk_chunk { + __le32 dqc_free; /* Number of free entries in the bitmap */ + u8 dqc_bitmap[0]; /* Bitmap of entries in the corresponding + * chunk of quota file */ +}; + +/* One entry in local quota file */ +struct ocfs2_local_disk_dqblk { +/*00*/ __le64 dqb_id; /* id this quota applies to */ + __le64 dqb_spacemod; /* Change in the amount of used space */ +/*10*/ __le64 dqb_inodemod; /* Change in the amount of used inodes */ +}; + + +/* + * The quota trailer lives at the end of each quota block. + */ + +struct ocfs2_disk_dqtrailer { +/*00*/ struct ocfs2_block_check dq_check; /* Error checking */ +/*08*/ /* Cannot be larger than OCFS2_QBLK_RESERVED_SPACE */ +}; + +static inline struct ocfs2_disk_dqtrailer *ocfs2_block_dqtrailer(int blocksize, + void *buf) +{ + char *ptr = buf; + ptr += blocksize - OCFS2_QBLK_RESERVED_SPACE; + + return (struct ocfs2_disk_dqtrailer *)ptr; +} + #ifdef __KERNEL__ static inline int ocfs2_fast_symlink_chars(struct super_block *sb) { diff --git a/fs/ocfs2/ocfs2_jbd_compat.h b/fs/ocfs2/ocfs2_jbd_compat.h deleted file mode 100644 index b91c78f8f55..00000000000 --- a/fs/ocfs2/ocfs2_jbd_compat.h +++ /dev/null @@ -1,82 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * ocfs2_jbd_compat.h - * - * Compatibility defines for JBD. - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#ifndef OCFS2_JBD_COMPAT_H -#define OCFS2_JBD_COMPAT_H - -#ifndef CONFIG_OCFS2_COMPAT_JBD -# error Should not have been included -#endif - -struct jbd2_inode { - unsigned int dummy; -}; - -#define JBD2_BARRIER JFS_BARRIER -#define JBD2_DEFAULT_MAX_COMMIT_AGE JBD_DEFAULT_MAX_COMMIT_AGE - -#define jbd2_journal_ack_err journal_ack_err -#define jbd2_journal_clear_err journal_clear_err -#define jbd2_journal_destroy journal_destroy -#define jbd2_journal_dirty_metadata journal_dirty_metadata -#define jbd2_journal_errno journal_errno -#define jbd2_journal_extend journal_extend -#define jbd2_journal_flush journal_flush -#define jbd2_journal_force_commit journal_force_commit -#define jbd2_journal_get_write_access journal_get_write_access -#define jbd2_journal_get_undo_access journal_get_undo_access -#define jbd2_journal_init_inode journal_init_inode -#define jbd2_journal_invalidatepage journal_invalidatepage -#define jbd2_journal_load journal_load -#define jbd2_journal_lock_updates journal_lock_updates -#define jbd2_journal_restart journal_restart -#define jbd2_journal_start journal_start -#define jbd2_journal_start_commit journal_start_commit -#define jbd2_journal_stop journal_stop -#define jbd2_journal_try_to_free_buffers journal_try_to_free_buffers -#define jbd2_journal_unlock_updates journal_unlock_updates -#define jbd2_journal_wipe journal_wipe -#define jbd2_log_wait_commit log_wait_commit - -static inline int jbd2_journal_file_inode(handle_t *handle, - struct jbd2_inode *inode) -{ - return 0; -} - -static inline int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, - loff_t new_size) -{ - return 0; -} - -static inline void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, - struct inode *inode) -{ - return; -} - -static inline void jbd2_journal_release_jbd_inode(journal_t *journal, - struct jbd2_inode *jinode) -{ - return; -} - - -#endif /* OCFS2_JBD_COMPAT_H */ diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h index 82c200f7a8f..eb6f50c9cec 100644 --- a/fs/ocfs2/ocfs2_lockid.h +++ b/fs/ocfs2/ocfs2_lockid.h @@ -46,6 +46,7 @@ enum ocfs2_lock_type { OCFS2_LOCK_TYPE_DENTRY, OCFS2_LOCK_TYPE_OPEN, OCFS2_LOCK_TYPE_FLOCK, + OCFS2_LOCK_TYPE_QINFO, OCFS2_NUM_LOCK_TYPES }; @@ -77,6 +78,9 @@ static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type) case OCFS2_LOCK_TYPE_FLOCK: c = 'F'; break; + case OCFS2_LOCK_TYPE_QINFO: + c = 'Q'; + break; default: c = '\0'; } @@ -95,6 +99,7 @@ static char *ocfs2_lock_type_strings[] = { [OCFS2_LOCK_TYPE_DENTRY] = "Dentry", [OCFS2_LOCK_TYPE_OPEN] = "Open", [OCFS2_LOCK_TYPE_FLOCK] = "Flock", + [OCFS2_LOCK_TYPE_QINFO] = "Quota", }; static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type) diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h new file mode 100644 index 00000000000..7365e2e0870 --- /dev/null +++ b/fs/ocfs2/quota.h @@ -0,0 +1,119 @@ +/* + * quota.h for OCFS2 + * + * On disk quota structures for local and global quota file, in-memory + * structures. + * + */ + +#ifndef _OCFS2_QUOTA_H +#define _OCFS2_QUOTA_H + +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/quota.h> +#include <linux/list.h> +#include <linux/dqblk_qtree.h> + +#include "ocfs2.h" + +/* Common stuff */ +/* id number of quota format */ +#define QFMT_OCFS2 3 + +/* + * In-memory structures + */ +struct ocfs2_dquot { + struct dquot dq_dquot; /* Generic VFS dquot */ + loff_t dq_local_off; /* Offset in the local quota file */ + struct ocfs2_quota_chunk *dq_chunk; /* Chunk dquot is in */ + unsigned int dq_use_count; /* Number of nodes having reference to this entry in global quota file */ + s64 dq_origspace; /* Last globally synced space usage */ + s64 dq_originodes; /* Last globally synced inode usage */ +}; + +/* Description of one chunk to recover in memory */ +struct ocfs2_recovery_chunk { + struct list_head rc_list; /* List of chunks */ + int rc_chunk; /* Chunk number */ + unsigned long *rc_bitmap; /* Bitmap of entries to recover */ +}; + +struct ocfs2_quota_recovery { + struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */ +}; + +/* In-memory structure with quota header information */ +struct ocfs2_mem_dqinfo { + unsigned int dqi_type; /* Quota type this structure describes */ + unsigned int dqi_chunks; /* Number of chunks in local quota file */ + unsigned int dqi_blocks; /* Number of blocks allocated for local quota file */ + unsigned int dqi_syncms; /* How often should we sync with other nodes */ + unsigned int dqi_syncjiff; /* Precomputed dqi_syncms in jiffies */ + struct list_head dqi_chunk; /* List of chunks */ + struct inode *dqi_gqinode; /* Global quota file inode */ + struct ocfs2_lock_res dqi_gqlock; /* Lock protecting quota information structure */ + struct buffer_head *dqi_gqi_bh; /* Buffer head with global quota file inode - set only if inode lock is obtained */ + int dqi_gqi_count; /* Number of holders of dqi_gqi_bh */ + struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */ + struct buffer_head *dqi_ibh; /* Buffer with information header */ + struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ + struct delayed_work dqi_sync_work; /* Work for syncing dquots */ + struct ocfs2_quota_recovery *dqi_rec; /* Pointer to recovery + * information, in case we + * enable quotas on file + * needing it */ +}; + +static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) +{ + return container_of(dquot, struct ocfs2_dquot, dq_dquot); +} + +struct ocfs2_quota_chunk { + struct list_head qc_chunk; /* List of quotafile chunks */ + int qc_num; /* Number of quota chunk */ + struct buffer_head *qc_headerbh; /* Buffer head with chunk header */ +}; + +extern struct kmem_cache *ocfs2_dquot_cachep; +extern struct kmem_cache *ocfs2_qf_chunk_cachep; + +extern struct qtree_fmt_operations ocfs2_global_ops; + +struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( + struct ocfs2_super *osb, int slot_num); +int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, + struct ocfs2_quota_recovery *rec, + int slot_num); +void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec); +ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, + size_t len, loff_t off); +ssize_t ocfs2_quota_write(struct super_block *sb, int type, + const char *data, size_t len, loff_t off); +int ocfs2_global_read_info(struct super_block *sb, int type); +int ocfs2_global_write_info(struct super_block *sb, int type); +int ocfs2_global_read_dquot(struct dquot *dquot); +int __ocfs2_sync_dquot(struct dquot *dquot, int freeing); +static inline int ocfs2_sync_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 0); +} +static inline int ocfs2_global_release_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 1); +} + +int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +int ocfs2_read_quota_block(struct inode *inode, u64 v_block, + struct buffer_head **bh); + +extern struct dquot_operations ocfs2_quota_operations; +extern struct quota_format_type ocfs2_quota_format; + +int ocfs2_quota_setup(void); +void ocfs2_quota_shutdown(void); + +#endif /* _OCFS2_QUOTA_H */ diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c new file mode 100644 index 00000000000..6aff8f2d3e4 --- /dev/null +++ b/fs/ocfs2/quota_global.c @@ -0,0 +1,1025 @@ +/* + * Implementation of operations over global quota file + */ +#include <linux/spinlock.h> +#include <linux/fs.h> +#include <linux/quota.h> +#include <linux/quotaops.h> +#include <linux/dqblk_qtree.h> +#include <linux/jiffies.h> +#include <linux/writeback.h> +#include <linux/workqueue.h> + +#define MLOG_MASK_PREFIX ML_QUOTA +#include <cluster/masklog.h> + +#include "ocfs2_fs.h" +#include "ocfs2.h" +#include "alloc.h" +#include "blockcheck.h" +#include "inode.h" +#include "journal.h" +#include "file.h" +#include "sysfile.h" +#include "dlmglue.h" +#include "uptodate.h" +#include "quota.h" + +static struct workqueue_struct *ocfs2_quota_wq = NULL; + +static void qsync_work_fn(struct work_struct *work); + +static void ocfs2_global_disk2memdqb(struct dquot *dquot, void *dp) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + + /* Update from disk only entries not set by the admin */ + if (!test_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags)) { + m->dqb_ihardlimit = le64_to_cpu(d->dqb_ihardlimit); + m->dqb_isoftlimit = le64_to_cpu(d->dqb_isoftlimit); + } + if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags)) + m->dqb_curinodes = le64_to_cpu(d->dqb_curinodes); + if (!test_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags)) { + m->dqb_bhardlimit = le64_to_cpu(d->dqb_bhardlimit); + m->dqb_bsoftlimit = le64_to_cpu(d->dqb_bsoftlimit); + } + if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags)) + m->dqb_curspace = le64_to_cpu(d->dqb_curspace); + if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags)) + m->dqb_btime = le64_to_cpu(d->dqb_btime); + if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags)) + m->dqb_itime = le64_to_cpu(d->dqb_itime); + OCFS2_DQUOT(dquot)->dq_use_count = le32_to_cpu(d->dqb_use_count); +} + +static void ocfs2_global_mem2diskdqb(void *dp, struct dquot *dquot) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + + d->dqb_id = cpu_to_le32(dquot->dq_id); + d->dqb_use_count = cpu_to_le32(OCFS2_DQUOT(dquot)->dq_use_count); + d->dqb_ihardlimit = cpu_to_le64(m->dqb_ihardlimit); + d->dqb_isoftlimit = cpu_to_le64(m->dqb_isoftlimit); + d->dqb_curinodes = cpu_to_le64(m->dqb_curinodes); + d->dqb_bhardlimit = cpu_to_le64(m->dqb_bhardlimit); + d->dqb_bsoftlimit = cpu_to_le64(m->dqb_bsoftlimit); + d->dqb_curspace = cpu_to_le64(m->dqb_curspace); + d->dqb_btime = cpu_to_le64(m->dqb_btime); + d->dqb_itime = cpu_to_le64(m->dqb_itime); +} + +static int ocfs2_global_is_id(void *dp, struct dquot *dquot) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + + if (qtree_entry_unused(&oinfo->dqi_gi, dp)) + return 0; + return le32_to_cpu(d->dqb_id) == dquot->dq_id; +} + +struct qtree_fmt_operations ocfs2_global_ops = { + .mem2disk_dqblk = ocfs2_global_mem2diskdqb, + .disk2mem_dqblk = ocfs2_global_disk2memdqb, + .is_id = ocfs2_global_is_id, +}; + +static int ocfs2_validate_quota_block(struct super_block *sb, + struct buffer_head *bh) +{ + struct ocfs2_disk_dqtrailer *dqt = + ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data); + + mlog(0, "Validating quota block %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check); +} + +int ocfs2_read_quota_block(struct inode *inode, u64 v_block, + struct buffer_head **bh) +{ + int rc = 0; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, + ocfs2_validate_quota_block); + if (rc) + mlog_errno(rc); + + /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; + + return rc; +} + +static int ocfs2_get_quota_block(struct inode *inode, int block, + struct buffer_head **bh) +{ + u64 pblock, pcount; + int err; + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (err) { + mlog_errno(err); + return err; + } + *bh = sb_getblk(inode->i_sb, pblock); + if (!*bh) { + err = -EIO; + mlog_errno(err); + } + return err;; +} + +/* Read data from global quotafile - avoid pagecache and such because we cannot + * afford acquiring the locks... We use quota cluster lock to serialize + * operations. Caller is responsible for acquiring it. */ +ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, + size_t len, loff_t off) +{ + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct inode *gqinode = oinfo->dqi_gqinode; + loff_t i_size = i_size_read(gqinode); + int offset = off & (sb->s_blocksize - 1); + sector_t blk = off >> sb->s_blocksize_bits; + int err = 0; + struct buffer_head *bh; + size_t toread, tocopy; + + if (off > i_size) + return 0; + if (off + len > i_size) + len = i_size - off; + toread = len; + while (toread > 0) { + tocopy = min_t(size_t, (sb->s_blocksize - offset), toread); + bh = NULL; + err = ocfs2_read_quota_block(gqinode, blk, &bh); + if (err) { + mlog_errno(err); + return err; + } + memcpy(data, bh->b_data + offset, tocopy); + brelse(bh); + offset = 0; + toread -= tocopy; + data += tocopy; + blk++; + } + return len; +} + +/* Write to quotafile (we know the transaction is already started and has + * enough credits) */ +ssize_t ocfs2_quota_write(struct super_block *sb, int type, + const char *data, size_t len, loff_t off) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct inode *gqinode = oinfo->dqi_gqinode; + int offset = off & (sb->s_blocksize - 1); + sector_t blk = off >> sb->s_blocksize_bits; + int err = 0, new = 0, ja_type; + struct buffer_head *bh = NULL; + handle_t *handle = journal_current_handle(); + + if (!handle) { + mlog(ML_ERROR, "Quota write (off=%llu, len=%llu) cancelled " + "because transaction was not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } + if (len > sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset) { + WARN_ON(1); + len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset; + } + + mutex_lock_nested(&gqinode->i_mutex, I_MUTEX_QUOTA); + if (gqinode->i_size < off + len) { + down_write(&OCFS2_I(gqinode)->ip_alloc_sem); + err = ocfs2_extend_no_holes(gqinode, off + len, off); + up_write(&OCFS2_I(gqinode)->ip_alloc_sem); + if (err < 0) + goto out; + err = ocfs2_simple_size_update(gqinode, + oinfo->dqi_gqi_bh, + off + len); + if (err < 0) + goto out; + new = 1; + } + /* Not rewriting whole block? */ + if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) && + !new) { + err = ocfs2_read_quota_block(gqinode, blk, &bh); + ja_type = OCFS2_JOURNAL_ACCESS_WRITE; + } else { + err = ocfs2_get_quota_block(gqinode, blk, &bh); + ja_type = OCFS2_JOURNAL_ACCESS_CREATE; + } + if (err) { + mlog_errno(err); + return err; + } + lock_buffer(bh); + if (new) + memset(bh->b_data, 0, sb->s_blocksize); + memcpy(bh->b_data + offset, data, len); + flush_dcache_page(bh->b_page); + set_buffer_uptodate(bh); + unlock_buffer(bh); + ocfs2_set_buffer_uptodate(gqinode, bh); + err = ocfs2_journal_access_dq(handle, gqinode, bh, ja_type); + if (err < 0) { + brelse(bh); + goto out; + } + err = ocfs2_journal_dirty(handle, bh); + brelse(bh); + if (err < 0) + goto out; +out: + if (err) { + mutex_unlock(&gqinode->i_mutex); + mlog_errno(err); + return err; + } + gqinode->i_version++; + ocfs2_mark_inode_dirty(handle, gqinode, oinfo->dqi_gqi_bh); + mutex_unlock(&gqinode->i_mutex); + return len; +} + +int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + int status; + struct buffer_head *bh = NULL; + + status = ocfs2_inode_lock(oinfo->dqi_gqinode, &bh, ex); + if (status < 0) + return status; + spin_lock(&dq_data_lock); + if (!oinfo->dqi_gqi_count++) + oinfo->dqi_gqi_bh = bh; + else + WARN_ON(bh != oinfo->dqi_gqi_bh); + spin_unlock(&dq_data_lock); + return 0; +} + +void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + ocfs2_inode_unlock(oinfo->dqi_gqinode, ex); + brelse(oinfo->dqi_gqi_bh); + spin_lock(&dq_data_lock); + if (!--oinfo->dqi_gqi_count) + oinfo->dqi_gqi_bh = NULL; + spin_unlock(&dq_data_lock); +} + +/* Read information header from global quota file */ +int ocfs2_global_read_info(struct super_block *sb, int type) +{ + struct inode *gqinode = NULL; + unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE }; + struct ocfs2_global_disk_dqinfo dinfo; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + int status; + + mlog_entry_void(); + + /* Read global header */ + gqinode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type], + OCFS2_INVALID_SLOT); + if (!gqinode) { + mlog(ML_ERROR, "failed to get global quota inode (type=%d)\n", + type); + status = -EINVAL; + goto out_err; + } + oinfo->dqi_gi.dqi_sb = sb; + oinfo->dqi_gi.dqi_type = type; + ocfs2_qinfo_lock_res_init(&oinfo->dqi_gqlock, oinfo); + oinfo->dqi_gi.dqi_entry_size = sizeof(struct ocfs2_global_disk_dqblk); + oinfo->dqi_gi.dqi_ops = &ocfs2_global_ops; + oinfo->dqi_gqi_bh = NULL; + oinfo->dqi_gqi_count = 0; + oinfo->dqi_gqinode = gqinode; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + status = sb->s_op->quota_read(sb, type, (char *)&dinfo, + sizeof(struct ocfs2_global_disk_dqinfo), + OCFS2_GLOBAL_INFO_OFF); + ocfs2_unlock_global_qf(oinfo, 0); + if (status != sizeof(struct ocfs2_global_disk_dqinfo)) { + mlog(ML_ERROR, "Cannot read global quota info (%d).\n", + status); + if (status >= 0) + status = -EIO; + mlog_errno(status); + goto out_err; + } + info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); + info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); + oinfo->dqi_syncms = le32_to_cpu(dinfo.dqi_syncms); + oinfo->dqi_syncjiff = msecs_to_jiffies(oinfo->dqi_syncms); + oinfo->dqi_gi.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); + oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); + oinfo->dqi_gi.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + oinfo->dqi_gi.dqi_blocksize_bits = sb->s_blocksize_bits; + oinfo->dqi_gi.dqi_usable_bs = sb->s_blocksize - + OCFS2_QBLK_RESERVED_SPACE; + oinfo->dqi_gi.dqi_qtree_depth = qtree_depth(&oinfo->dqi_gi); + INIT_DELAYED_WORK(&oinfo->dqi_sync_work, qsync_work_fn); + queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work, + oinfo->dqi_syncjiff); + +out_err: + mlog_exit(status); + return status; +} + +/* Write information to global quota file. Expects exlusive lock on quota + * file inode and quota info */ +static int __ocfs2_global_write_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_global_disk_dqinfo dinfo; + ssize_t size; + + spin_lock(&dq_data_lock); + info->dqi_flags &= ~DQF_INFO_DIRTY; + dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace); + dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace); + spin_unlock(&dq_data_lock); + dinfo.dqi_syncms = cpu_to_le32(oinfo->dqi_syncms); + dinfo.dqi_blocks = cpu_to_le32(oinfo->dqi_gi.dqi_blocks); + dinfo.dqi_free_blk = cpu_to_le32(oinfo->dqi_gi.dqi_free_blk); + dinfo.dqi_free_entry = cpu_to_le32(oinfo->dqi_gi.dqi_free_entry); + size = sb->s_op->quota_write(sb, type, (char *)&dinfo, + sizeof(struct ocfs2_global_disk_dqinfo), + OCFS2_GLOBAL_INFO_OFF); + if (size != sizeof(struct ocfs2_global_disk_dqinfo)) { + mlog(ML_ERROR, "Cannot write global quota info structure\n"); + if (size >= 0) + size = -EIO; + return size; + } + return 0; +} + +int ocfs2_global_write_info(struct super_block *sb, int type) +{ + int err; + struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv; + + err = ocfs2_qinfo_lock(info, 1); + if (err < 0) + return err; + err = __ocfs2_global_write_info(sb, type); + ocfs2_qinfo_unlock(info, 1); + return err; +} + +/* Read in information from global quota file and acquire a reference to it. + * dquot_acquire() has already started the transaction and locked quota file */ +int ocfs2_global_read_dquot(struct dquot *dquot) +{ + int err, err2, ex = 0; + struct ocfs2_mem_dqinfo *info = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + + err = ocfs2_qinfo_lock(info, 0); + if (err < 0) + goto out; + err = qtree_read_dquot(&info->dqi_gi, dquot); + if (err < 0) + goto out_qlock; + OCFS2_DQUOT(dquot)->dq_use_count++; + OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace; + OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes; + if (!dquot->dq_off) { /* No real quota entry? */ + /* Upgrade to exclusive lock for allocation */ + err = ocfs2_qinfo_lock(info, 1); + if (err < 0) + goto out_qlock; + ex = 1; + } + err = qtree_write_dquot(&info->dqi_gi, dquot); + if (ex && info_dirty(sb_dqinfo(dquot->dq_sb, dquot->dq_type))) { + err2 = __ocfs2_global_write_info(dquot->dq_sb, dquot->dq_type); + if (!err) + err = err2; + } +out_qlock: + if (ex) + ocfs2_qinfo_unlock(info, 1); + ocfs2_qinfo_unlock(info, 0); +out: + if (err < 0) + mlog_errno(err); + return err; +} + +/* Sync local information about quota modifications with global quota file. + * Caller must have started the transaction and obtained exclusive lock for + * global quota file inode */ +int __ocfs2_sync_dquot(struct dquot *dquot, int freeing) +{ + int err, err2; + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_global_disk_dqblk dqblk; + s64 spacechange, inodechange; + time_t olditime, oldbtime; + + err = sb->s_op->quota_read(sb, type, (char *)&dqblk, + sizeof(struct ocfs2_global_disk_dqblk), + dquot->dq_off); + if (err != sizeof(struct ocfs2_global_disk_dqblk)) { + if (err >= 0) { + mlog(ML_ERROR, "Short read from global quota file " + "(%u read)\n", err); + err = -EIO; + } + goto out; + } + + /* Update space and inode usage. Get also other information from + * global quota file so that we don't overwrite any changes there. + * We are */ + spin_lock(&dq_data_lock); + spacechange = dquot->dq_dqb.dqb_curspace - + OCFS2_DQUOT(dquot)->dq_origspace; + inodechange = dquot->dq_dqb.dqb_curinodes - + OCFS2_DQUOT(dquot)->dq_originodes; + olditime = dquot->dq_dqb.dqb_itime; + oldbtime = dquot->dq_dqb.dqb_btime; + ocfs2_global_disk2memdqb(dquot, &dqblk); + mlog(0, "Syncing global dquot %u space %lld+%lld, inodes %lld+%lld\n", + dquot->dq_id, dquot->dq_dqb.dqb_curspace, (long long)spacechange, + dquot->dq_dqb.dqb_curinodes, (long long)inodechange); + if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags)) + dquot->dq_dqb.dqb_curspace += spacechange; + if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags)) + dquot->dq_dqb.dqb_curinodes += inodechange; + /* Set properly space grace time... */ + if (dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace > dquot->dq_dqb.dqb_bsoftlimit) { + if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags) && + oldbtime > 0) { + if (dquot->dq_dqb.dqb_btime > 0) + dquot->dq_dqb.dqb_btime = + min(dquot->dq_dqb.dqb_btime, oldbtime); + else + dquot->dq_dqb.dqb_btime = oldbtime; + } + } else { + dquot->dq_dqb.dqb_btime = 0; + clear_bit(DQ_BLKS_B, &dquot->dq_flags); + } + /* Set properly inode grace time... */ + if (dquot->dq_dqb.dqb_isoftlimit && + dquot->dq_dqb.dqb_curinodes > dquot->dq_dqb.dqb_isoftlimit) { + if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags) && + olditime > 0) { + if (dquot->dq_dqb.dqb_itime > 0) + dquot->dq_dqb.dqb_itime = + min(dquot->dq_dqb.dqb_itime, olditime); + else + dquot->dq_dqb.dqb_itime = olditime; + } + } else { + dquot->dq_dqb.dqb_itime = 0; + clear_bit(DQ_INODES_B, &dquot->dq_flags); + } + /* All information is properly updated, clear the flags */ + __clear_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); + OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace; + OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes; + spin_unlock(&dq_data_lock); + err = ocfs2_qinfo_lock(info, freeing); + if (err < 0) { + mlog(ML_ERROR, "Failed to lock quota info, loosing quota write" + " (type=%d, id=%u)\n", dquot->dq_type, + (unsigned)dquot->dq_id); + goto out; + } + if (freeing) + OCFS2_DQUOT(dquot)->dq_use_count--; + err = qtree_write_dquot(&info->dqi_gi, dquot); + if (err < 0) + goto out_qlock; + if (freeing && !OCFS2_DQUOT(dquot)->dq_use_count) { + err = qtree_release_dquot(&info->dqi_gi, dquot); + if (info_dirty(sb_dqinfo(sb, type))) { + err2 = __ocfs2_global_write_info(sb, type); + if (!err) + err = err2; + } + } +out_qlock: + ocfs2_qinfo_unlock(info, freeing); +out: + if (err < 0) + mlog_errno(err); + return err; +} + +/* + * Functions for periodic syncing of dquots with global file + */ +static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type) +{ + handle_t *handle; + struct super_block *sb = dquot->dq_sb; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(sb); + int status = 0; + + mlog_entry("id=%u qtype=%u type=%lu device=%s\n", dquot->dq_id, + dquot->dq_type, type, sb->s_id); + if (type != dquot->dq_type) + goto out; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + + handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + mutex_lock(&sb_dqopt(sb)->dqio_mutex); + status = ocfs2_sync_dquot(dquot); + mutex_unlock(&sb_dqopt(sb)->dqio_mutex); + if (status < 0) + mlog_errno(status); + /* We have to write local structure as well... */ + dquot_mark_dquot_dirty(dquot); + status = dquot_commit(dquot); + if (status < 0) + mlog_errno(status); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +static void qsync_work_fn(struct work_struct *work) +{ + struct ocfs2_mem_dqinfo *oinfo = container_of(work, + struct ocfs2_mem_dqinfo, + dqi_sync_work.work); + struct super_block *sb = oinfo->dqi_gqinode->i_sb; + + dquot_scan_active(sb, ocfs2_sync_dquot_helper, oinfo->dqi_type); + queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work, + oinfo->dqi_syncjiff); +} + +/* + * Wrappers for generic quota functions + */ + +static int ocfs2_write_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + + handle = ocfs2_start_trans(osb, OCFS2_QWRITE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + status = dquot_commit(dquot); + ocfs2_commit_trans(osb, handle); +out: + mlog_exit(status); + return status; +} + +int ocfs2_calc_qdel_credits(struct super_block *sb, int type) +{ + struct ocfs2_mem_dqinfo *oinfo; + int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA }; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type])) + return 0; + + oinfo = sb_dqinfo(sb, type)->dqi_priv; + /* We modify tree, leaf block, global info, local chunk header, + * global and local inode */ + return oinfo->dqi_gi.dqi_qtree_depth + 2 + 1 + + 2 * OCFS2_INODE_UPDATE_CREDITS; +} + +static int ocfs2_release_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, + ocfs2_calc_qdel_credits(dquot->dq_sb, dquot->dq_type)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_release(dquot); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +int ocfs2_calc_qinit_credits(struct super_block *sb, int type) +{ + struct ocfs2_mem_dqinfo *oinfo; + int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA }; + struct ocfs2_dinode *lfe, *gfe; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type])) + return 0; + + oinfo = sb_dqinfo(sb, type)->dqi_priv; + gfe = (struct ocfs2_dinode *)oinfo->dqi_gqi_bh->b_data; + lfe = (struct ocfs2_dinode *)oinfo->dqi_lqi_bh->b_data; + /* We can extend local file + global file. In local file we + * can modify info, chunk header block and dquot block. In + * global file we can modify info, tree and leaf block */ + return ocfs2_calc_extend_credits(sb, &lfe->id2.i_list, 0) + + ocfs2_calc_extend_credits(sb, &gfe->id2.i_list, 0) + + 3 + oinfo->dqi_gi.dqi_qtree_depth + 2; +} + +static int ocfs2_acquire_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + /* We need an exclusive lock, because we're going to update use count + * and instantiate possibly new dquot structure */ + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, + ocfs2_calc_qinit_credits(dquot->dq_sb, dquot->dq_type)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_acquire(dquot); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +static int ocfs2_mark_dquot_dirty(struct dquot *dquot) +{ + unsigned long mask = (1 << (DQ_LASTSET_B + QIF_ILIMITS_B)) | + (1 << (DQ_LASTSET_B + QIF_BLIMITS_B)) | + (1 << (DQ_LASTSET_B + QIF_INODES_B)) | + (1 << (DQ_LASTSET_B + QIF_SPACE_B)) | + (1 << (DQ_LASTSET_B + QIF_BTIME_B)) | + (1 << (DQ_LASTSET_B + QIF_ITIME_B)); + int sync = 0; + int status; + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(sb); + + mlog_entry("id=%u, type=%d", dquot->dq_id, type); + dquot_mark_dquot_dirty(dquot); + + /* In case user set some limits, sync dquot immediately to global + * quota file so that information propagates quicker */ + spin_lock(&dq_data_lock); + if (dquot->dq_flags & mask) + sync = 1; + spin_unlock(&dq_data_lock); + if (!sync) { + status = ocfs2_write_dquot(dquot); + goto out; + } + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = ocfs2_sync_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + /* Now write updated local dquot structure */ + status = dquot_commit(dquot); +out_trans: + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +/* This should happen only after set_dqinfo(). */ +static int ocfs2_write_info(struct super_block *sb, int type) +{ + handle_t *handle; + int status = 0; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + + mlog_entry_void(); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(OCFS2_SB(sb), OCFS2_QINFO_WRITE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_commit_info(sb, type); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +/* This is difficult. We have to lock quota inode and start transaction + * in this function but we don't want to take the penalty of exlusive + * quota file lock when we are just going to use cached structures. So + * we just take read lock check whether we have dquot cached and if so, + * we don't have to take the write lock... */ +static int ocfs2_dquot_initialize(struct inode *inode, int type) +{ + handle_t *handle = NULL; + int status = 0; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + int exclusive = 0; + int cnt; + qid_t id; + + mlog_entry_void(); + + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (type != -1 && cnt != type) + continue; + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) + goto out; + /* This is just a performance optimization not a reliable test. + * Since we hold an inode lock, noone can actually release + * the structure until we are finished with initialization. */ + if (inode->i_dquot[cnt] != NODQUOT) { + ocfs2_unlock_global_qf(oinfo, 0); + continue; + } + /* When we have inode lock, we know that no dquot_release() can + * run and thus we can safely check whether we need to + * read+modify global file to get quota information or whether + * our node already has it. */ + if (cnt == USRQUOTA) + id = inode->i_uid; + else if (cnt == GRPQUOTA) + id = inode->i_gid; + else + BUG(); + /* Obtain exclusion from quota off... */ + down_write(&sb_dqopt(sb)->dqptr_sem); + exclusive = !dquot_is_cached(sb, id, cnt); + up_write(&sb_dqopt(sb)->dqptr_sem); + if (exclusive) { + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) { + exclusive = 0; + mlog_errno(status); + goto out_ilock; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + ocfs2_calc_qinit_credits(sb, cnt)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + } + dquot_initialize(inode, cnt); + if (exclusive) { + ocfs2_commit_trans(OCFS2_SB(sb), handle); + ocfs2_unlock_global_qf(oinfo, 1); + } + ocfs2_unlock_global_qf(oinfo, 0); + } + mlog_exit(0); + return 0; +out_ilock: + if (exclusive) + ocfs2_unlock_global_qf(oinfo, 1); + ocfs2_unlock_global_qf(oinfo, 0); +out: + mlog_exit(status); + return status; +} + +static int ocfs2_dquot_drop_slow(struct inode *inode) +{ + int status = 0; + int cnt; + int got_lock[MAXQUOTAS] = {0, 0}; + handle_t *handle; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + got_lock[cnt] = 1; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + ocfs2_calc_qinit_credits(sb, USRQUOTA) + + ocfs2_calc_qinit_credits(sb, GRPQUOTA)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + dquot_drop(inode); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (got_lock[cnt]) { + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 1); + } + return status; +} + +/* See the comment before ocfs2_dquot_initialize. */ +static int ocfs2_dquot_drop(struct inode *inode) +{ + int status = 0; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + int exclusive = 0; + int cnt; + int got_lock[MAXQUOTAS] = {0, 0}; + + mlog_entry_void(); + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) + goto out; + got_lock[cnt] = 1; + } + /* Lock against anyone releasing references so that when when we check + * we know we are not going to be last ones to release dquot */ + down_write(&sb_dqopt(sb)->dqptr_sem); + /* Urgh, this is a terrible hack :( */ + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (inode->i_dquot[cnt] != NODQUOT && + atomic_read(&inode->i_dquot[cnt]->dq_count) > 1) { + exclusive = 1; + break; + } + } + if (!exclusive) + dquot_drop_locked(inode); + up_write(&sb_dqopt(sb)->dqptr_sem); +out: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (got_lock[cnt]) { + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 0); + } + /* In case we bailed out because we had to do expensive locking + * do it now... */ + if (exclusive) + status = ocfs2_dquot_drop_slow(inode); + mlog_exit(status); + return status; +} + +static struct dquot *ocfs2_alloc_dquot(struct super_block *sb, int type) +{ + struct ocfs2_dquot *dquot = + kmem_cache_zalloc(ocfs2_dquot_cachep, GFP_NOFS); + + if (!dquot) + return NULL; + return &dquot->dq_dquot; +} + +static void ocfs2_destroy_dquot(struct dquot *dquot) +{ + kmem_cache_free(ocfs2_dquot_cachep, dquot); +} + +struct dquot_operations ocfs2_quota_operations = { + .initialize = ocfs2_dquot_initialize, + .drop = ocfs2_dquot_drop, + .alloc_space = dquot_alloc_space, + .alloc_inode = dquot_alloc_inode, + .free_space = dquot_free_space, + .free_inode = dquot_free_inode, + .transfer = dquot_transfer, + .write_dquot = ocfs2_write_dquot, + .acquire_dquot = ocfs2_acquire_dquot, + .release_dquot = ocfs2_release_dquot, + .mark_dirty = ocfs2_mark_dquot_dirty, + .write_info = ocfs2_write_info, + .alloc_dquot = ocfs2_alloc_dquot, + .destroy_dquot = ocfs2_destroy_dquot, +}; + +int ocfs2_quota_setup(void) +{ + ocfs2_quota_wq = create_workqueue("o2quot"); + if (!ocfs2_quota_wq) + return -ENOMEM; + return 0; +} + +void ocfs2_quota_shutdown(void) +{ + if (ocfs2_quota_wq) { + flush_workqueue(ocfs2_quota_wq); + destroy_workqueue(ocfs2_quota_wq); + ocfs2_quota_wq = NULL; + } +} diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c new file mode 100644 index 00000000000..07deec5e972 --- /dev/null +++ b/fs/ocfs2/quota_local.c @@ -0,0 +1,1253 @@ +/* + * Implementation of operations over local quota file + */ + +#include <linux/fs.h> +#include <linux/quota.h> +#include <linux/quotaops.h> +#include <linux/module.h> + +#define MLOG_MASK_PREFIX ML_QUOTA +#include <cluster/masklog.h> + +#include "ocfs2_fs.h" +#include "ocfs2.h" +#include "inode.h" +#include "alloc.h" +#include "file.h" +#include "buffer_head_io.h" +#include "journal.h" +#include "sysfile.h" +#include "dlmglue.h" +#include "quota.h" + +/* Number of local quota structures per block */ +static inline unsigned int ol_quota_entries_per_block(struct super_block *sb) +{ + return ((sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) / + sizeof(struct ocfs2_local_disk_dqblk)); +} + +/* Number of blocks with entries in one chunk */ +static inline unsigned int ol_chunk_blocks(struct super_block *sb) +{ + return ((sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) - + OCFS2_QBLK_RESERVED_SPACE) << 3) / + ol_quota_entries_per_block(sb); +} + +/* Number of entries in a chunk bitmap */ +static unsigned int ol_chunk_entries(struct super_block *sb) +{ + return ol_chunk_blocks(sb) * ol_quota_entries_per_block(sb); +} + +/* Offset of the chunk in quota file */ +static unsigned int ol_quota_chunk_block(struct super_block *sb, int c) +{ + /* 1 block for local quota file info, 1 block per chunk for chunk info */ + return 1 + (ol_chunk_blocks(sb) + 1) * c; +} + +static unsigned int ol_dqblk_block(struct super_block *sb, int c, int off) +{ + int epb = ol_quota_entries_per_block(sb); + + return ol_quota_chunk_block(sb, c) + 1 + off / epb; +} + +static unsigned int ol_dqblk_block_off(struct super_block *sb, int c, int off) +{ + int epb = ol_quota_entries_per_block(sb); + + return (off % epb) * sizeof(struct ocfs2_local_disk_dqblk); +} + +/* Offset of the dquot structure in the quota file */ +static loff_t ol_dqblk_off(struct super_block *sb, int c, int off) +{ + return (ol_dqblk_block(sb, c, off) << sb->s_blocksize_bits) + + ol_dqblk_block_off(sb, c, off); +} + +/* Compute block number from given offset */ +static inline unsigned int ol_dqblk_file_block(struct super_block *sb, loff_t off) +{ + return off >> sb->s_blocksize_bits; +} + +static inline unsigned int ol_dqblk_block_offset(struct super_block *sb, loff_t off) +{ + return off & ((1 << sb->s_blocksize_bits) - 1); +} + +/* Compute offset in the chunk of a structure with the given offset */ +static int ol_dqblk_chunk_off(struct super_block *sb, int c, loff_t off) +{ + int epb = ol_quota_entries_per_block(sb); + + return ((off >> sb->s_blocksize_bits) - + ol_quota_chunk_block(sb, c) - 1) * epb + + ((unsigned int)(off & ((1 << sb->s_blocksize_bits) - 1))) / + sizeof(struct ocfs2_local_disk_dqblk); +} + +/* Write bufferhead into the fs */ +static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh, + void (*modify)(struct buffer_head *, void *), void *private) +{ + struct super_block *sb = inode->i_sb; + handle_t *handle; + int status; + + handle = ocfs2_start_trans(OCFS2_SB(sb), 1); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + return status; + } + status = ocfs2_journal_access_dq(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + ocfs2_commit_trans(OCFS2_SB(sb), handle); + return status; + } + lock_buffer(bh); + modify(bh, private); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) { + mlog_errno(status); + ocfs2_commit_trans(OCFS2_SB(sb), handle); + return status; + } + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + return status; + } + return 0; +} + +/* Check whether we understand format of quota files */ +static int ocfs2_local_check_quota_file(struct super_block *sb, int type) +{ + unsigned int lmagics[MAXQUOTAS] = OCFS2_LOCAL_QMAGICS; + unsigned int lversions[MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS; + unsigned int gmagics[MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS; + unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS; + unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE }; + struct buffer_head *bh = NULL; + struct inode *linode = sb_dqopt(sb)->files[type]; + struct inode *ginode = NULL; + struct ocfs2_disk_dqheader *dqhead; + int status, ret = 0; + + /* First check whether we understand local quota file */ + status = ocfs2_read_quota_block(linode, 0, &bh); + if (status) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file header (type=%d)\n", + type); + goto out_err; + } + dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data); + if (le32_to_cpu(dqhead->dqh_magic) != lmagics[type]) { + mlog(ML_ERROR, "quota file magic does not match (%u != %u)," + " type=%d\n", le32_to_cpu(dqhead->dqh_magic), + lmagics[type], type); + goto out_err; + } + if (le32_to_cpu(dqhead->dqh_version) != lversions[type]) { + mlog(ML_ERROR, "quota file version does not match (%u != %u)," + " type=%d\n", le32_to_cpu(dqhead->dqh_version), + lversions[type], type); + goto out_err; + } + brelse(bh); + bh = NULL; + + /* Next check whether we understand global quota file */ + ginode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type], + OCFS2_INVALID_SLOT); + if (!ginode) { + mlog(ML_ERROR, "cannot get global quota file inode " + "(type=%d)\n", type); + goto out_err; + } + /* Since the header is read only, we don't care about locking */ + status = ocfs2_read_quota_block(ginode, 0, &bh); + if (status) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read global quota file header " + "(type=%d)\n", type); + goto out_err; + } + dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data); + if (le32_to_cpu(dqhead->dqh_magic) != gmagics[type]) { + mlog(ML_ERROR, "global quota file magic does not match " + "(%u != %u), type=%d\n", + le32_to_cpu(dqhead->dqh_magic), gmagics[type], type); + goto out_err; + } + if (le32_to_cpu(dqhead->dqh_version) != gversions[type]) { + mlog(ML_ERROR, "global quota file version does not match " + "(%u != %u), type=%d\n", + le32_to_cpu(dqhead->dqh_version), gversions[type], + type); + goto out_err; + } + + ret = 1; +out_err: + brelse(bh); + iput(ginode); + return ret; +} + +/* Release given list of quota file chunks */ +static void ocfs2_release_local_quota_bitmaps(struct list_head *head) +{ + struct ocfs2_quota_chunk *pos, *next; + + list_for_each_entry_safe(pos, next, head, qc_chunk) { + list_del(&pos->qc_chunk); + brelse(pos->qc_headerbh); + kmem_cache_free(ocfs2_qf_chunk_cachep, pos); + } +} + +/* Load quota bitmaps into memory */ +static int ocfs2_load_local_quota_bitmaps(struct inode *inode, + struct ocfs2_local_disk_dqinfo *ldinfo, + struct list_head *head) +{ + struct ocfs2_quota_chunk *newchunk; + int i, status; + + INIT_LIST_HEAD(head); + for (i = 0; i < le32_to_cpu(ldinfo->dqi_chunks); i++) { + newchunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS); + if (!newchunk) { + ocfs2_release_local_quota_bitmaps(head); + return -ENOMEM; + } + newchunk->qc_num = i; + newchunk->qc_headerbh = NULL; + status = ocfs2_read_quota_block(inode, + ol_quota_chunk_block(inode->i_sb, i), + &newchunk->qc_headerbh); + if (status) { + mlog_errno(status); + kmem_cache_free(ocfs2_qf_chunk_cachep, newchunk); + ocfs2_release_local_quota_bitmaps(head); + return status; + } + list_add_tail(&newchunk->qc_chunk, head); + } + return 0; +} + +static void olq_update_info(struct buffer_head *bh, void *private) +{ + struct mem_dqinfo *info = private; + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_local_disk_dqinfo *ldinfo; + + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + spin_lock(&dq_data_lock); + ldinfo->dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK); + ldinfo->dqi_chunks = cpu_to_le32(oinfo->dqi_chunks); + ldinfo->dqi_blocks = cpu_to_le32(oinfo->dqi_blocks); + spin_unlock(&dq_data_lock); +} + +static int ocfs2_add_recovery_chunk(struct super_block *sb, + struct ocfs2_local_disk_chunk *dchunk, + int chunk, + struct list_head *head) +{ + struct ocfs2_recovery_chunk *rc; + + rc = kmalloc(sizeof(struct ocfs2_recovery_chunk), GFP_NOFS); + if (!rc) + return -ENOMEM; + rc->rc_chunk = chunk; + rc->rc_bitmap = kmalloc(sb->s_blocksize, GFP_NOFS); + if (!rc->rc_bitmap) { + kfree(rc); + return -ENOMEM; + } + memcpy(rc->rc_bitmap, dchunk->dqc_bitmap, + (ol_chunk_entries(sb) + 7) >> 3); + list_add_tail(&rc->rc_list, head); + return 0; +} + +static void free_recovery_list(struct list_head *head) +{ + struct ocfs2_recovery_chunk *next; + struct ocfs2_recovery_chunk *rchunk; + + list_for_each_entry_safe(rchunk, next, head, rc_list) { + list_del(&rchunk->rc_list); + kfree(rchunk->rc_bitmap); + kfree(rchunk); + } +} + +void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec) +{ + int type; + + for (type = 0; type < MAXQUOTAS; type++) + free_recovery_list(&(rec->r_list[type])); + kfree(rec); +} + +/* Load entries in our quota file we have to recover*/ +static int ocfs2_recovery_load_quota(struct inode *lqinode, + struct ocfs2_local_disk_dqinfo *ldinfo, + int type, + struct list_head *head) +{ + struct super_block *sb = lqinode->i_sb; + struct buffer_head *hbh; + struct ocfs2_local_disk_chunk *dchunk; + int i, chunks = le32_to_cpu(ldinfo->dqi_chunks); + int status = 0; + + for (i = 0; i < chunks; i++) { + hbh = NULL; + status = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, i), + &hbh); + if (status) { + mlog_errno(status); + break; + } + dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data; + if (le32_to_cpu(dchunk->dqc_free) < ol_chunk_entries(sb)) + status = ocfs2_add_recovery_chunk(sb, dchunk, i, head); + brelse(hbh); + if (status < 0) + break; + } + if (status < 0) + free_recovery_list(head); + return status; +} + +static struct ocfs2_quota_recovery *ocfs2_alloc_quota_recovery(void) +{ + int type; + struct ocfs2_quota_recovery *rec; + + rec = kmalloc(sizeof(struct ocfs2_quota_recovery), GFP_NOFS); + if (!rec) + return NULL; + for (type = 0; type < MAXQUOTAS; type++) + INIT_LIST_HEAD(&(rec->r_list[type])); + return rec; +} + +/* Load information we need for quota recovery into memory */ +struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( + struct ocfs2_super *osb, + int slot_num) +{ + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + struct super_block *sb = osb->sb; + struct ocfs2_local_disk_dqinfo *ldinfo; + struct inode *lqinode; + struct buffer_head *bh; + int type; + int status = 0; + struct ocfs2_quota_recovery *rec; + + mlog(ML_NOTICE, "Beginning quota recovery in slot %u\n", slot_num); + rec = ocfs2_alloc_quota_recovery(); + if (!rec) + return ERR_PTR(-ENOMEM); + /* First init... */ + + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + /* At this point, journal of the slot is already replayed so + * we can trust metadata and data of the quota file */ + lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num); + if (!lqinode) { + status = -ENOENT; + goto out; + } + status = ocfs2_inode_lock_full(lqinode, NULL, 1, + OCFS2_META_LOCK_RECOVERY); + if (status < 0) { + mlog_errno(status); + goto out_put; + } + /* Now read local header */ + bh = NULL; + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(slot=%d type=%d)\n", slot_num, type); + goto out_lock; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + status = ocfs2_recovery_load_quota(lqinode, ldinfo, type, + &rec->r_list[type]); + brelse(bh); +out_lock: + ocfs2_inode_unlock(lqinode, 1); +out_put: + iput(lqinode); + if (status < 0) + break; + } +out: + if (status < 0) { + ocfs2_free_quota_recovery(rec); + rec = ERR_PTR(status); + } + return rec; +} + +/* Sync changes in local quota file into global quota file and + * reinitialize local quota file. + * The function expects local quota file to be already locked and + * dqonoff_mutex locked. */ +static int ocfs2_recover_local_quota_file(struct inode *lqinode, + int type, + struct ocfs2_quota_recovery *rec) +{ + struct super_block *sb = lqinode->i_sb; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_local_disk_chunk *dchunk; + struct ocfs2_local_disk_dqblk *dqblk; + struct dquot *dquot; + handle_t *handle; + struct buffer_head *hbh = NULL, *qbh = NULL; + int status = 0; + int bit, chunk; + struct ocfs2_recovery_chunk *rchunk, *next; + qsize_t spacechange, inodechange; + + mlog_entry("ino=%lu type=%u", (unsigned long)lqinode->i_ino, type); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + + list_for_each_entry_safe(rchunk, next, &(rec->r_list[type]), rc_list) { + chunk = rchunk->rc_chunk; + hbh = NULL; + status = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, chunk), + &hbh); + if (status) { + mlog_errno(status); + break; + } + dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data; + for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) { + qbh = NULL; + status = ocfs2_read_quota_block(lqinode, + ol_dqblk_block(sb, chunk, bit), + &qbh); + if (status) { + mlog_errno(status); + break; + } + dqblk = (struct ocfs2_local_disk_dqblk *)(qbh->b_data + + ol_dqblk_block_off(sb, chunk, bit)); + dquot = dqget(sb, le64_to_cpu(dqblk->dqb_id), type); + if (!dquot) { + status = -EIO; + mlog(ML_ERROR, "Failed to get quota structure " + "for id %u, type %d. Cannot finish quota " + "file recovery.\n", + (unsigned)le64_to_cpu(dqblk->dqb_id), + type); + goto out_put_bh; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_put_dquot; + } + mutex_lock(&sb_dqopt(sb)->dqio_mutex); + spin_lock(&dq_data_lock); + /* Add usage from quota entry into quota changes + * of our node. Auxiliary variables are important + * due to signedness */ + spacechange = le64_to_cpu(dqblk->dqb_spacemod); + inodechange = le64_to_cpu(dqblk->dqb_inodemod); + dquot->dq_dqb.dqb_curspace += spacechange; + dquot->dq_dqb.dqb_curinodes += inodechange; + spin_unlock(&dq_data_lock); + /* We want to drop reference held by the crashed + * node. Since we have our own reference we know + * global structure actually won't be freed. */ + status = ocfs2_global_release_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_commit; + } + /* Release local quota file entry */ + status = ocfs2_journal_access_dq(handle, lqinode, + qbh, OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_commit; + } + lock_buffer(qbh); + WARN_ON(!ocfs2_test_bit(bit, dchunk->dqc_bitmap)); + ocfs2_clear_bit(bit, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, 1); + unlock_buffer(qbh); + status = ocfs2_journal_dirty(handle, qbh); + if (status < 0) + mlog_errno(status); +out_commit: + mutex_unlock(&sb_dqopt(sb)->dqio_mutex); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out_put_dquot: + dqput(dquot); +out_put_bh: + brelse(qbh); + if (status < 0) + break; + } + brelse(hbh); + list_del(&rchunk->rc_list); + kfree(rchunk->rc_bitmap); + kfree(rchunk); + if (status < 0) + break; + } + ocfs2_unlock_global_qf(oinfo, 1); +out: + if (status < 0) + free_recovery_list(&(rec->r_list[type])); + mlog_exit(status); + return status; +} + +/* Recover local quota files for given node different from us */ +int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, + struct ocfs2_quota_recovery *rec, + int slot_num) +{ + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + struct super_block *sb = osb->sb; + struct ocfs2_local_disk_dqinfo *ldinfo; + struct buffer_head *bh; + handle_t *handle; + int type; + int status = 0; + struct inode *lqinode; + unsigned int flags; + + mlog(ML_NOTICE, "Finishing quota recovery in slot %u\n", slot_num); + mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); + for (type = 0; type < MAXQUOTAS; type++) { + if (list_empty(&(rec->r_list[type]))) + continue; + mlog(0, "Recovering quota in slot %d\n", slot_num); + lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num); + if (!lqinode) { + status = -ENOENT; + goto out; + } + status = ocfs2_inode_lock_full(lqinode, NULL, 1, + OCFS2_META_LOCK_NOQUEUE); + /* Someone else is holding the lock? Then he must be + * doing the recovery. Just skip the file... */ + if (status == -EAGAIN) { + mlog(ML_NOTICE, "skipping quota recovery for slot %d " + "because quota file is locked.\n", slot_num); + status = 0; + goto out_put; + } else if (status < 0) { + mlog_errno(status); + goto out_put; + } + /* Now read local header */ + bh = NULL; + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(slot=%d type=%d)\n", slot_num, type); + goto out_lock; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + /* Is recovery still needed? */ + flags = le32_to_cpu(ldinfo->dqi_flags); + if (!(flags & OLQF_CLEAN)) + status = ocfs2_recover_local_quota_file(lqinode, + type, + rec); + /* We don't want to mark file as clean when it is actually + * active */ + if (slot_num == osb->slot_num) + goto out_bh; + /* Mark quota file as clean if we are recovering quota file of + * some other node. */ + handle = ocfs2_start_trans(osb, 1); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_bh; + } + status = ocfs2_journal_access_dq(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + lock_buffer(bh); + ldinfo->dqi_flags = cpu_to_le32(flags | OLQF_CLEAN); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) + mlog_errno(status); +out_trans: + ocfs2_commit_trans(osb, handle); +out_bh: + brelse(bh); +out_lock: + ocfs2_inode_unlock(lqinode, 1); +out_put: + iput(lqinode); + if (status < 0) + break; + } +out: + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); + kfree(rec); + return status; +} + +/* Read information header from quota file */ +static int ocfs2_local_read_info(struct super_block *sb, int type) +{ + struct ocfs2_local_disk_dqinfo *ldinfo; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + int status; + struct buffer_head *bh = NULL; + struct ocfs2_quota_recovery *rec; + int locked = 0; + + info->dqi_maxblimit = 0x7fffffffffffffffLL; + info->dqi_maxilimit = 0x7fffffffffffffffLL; + oinfo = kmalloc(sizeof(struct ocfs2_mem_dqinfo), GFP_NOFS); + if (!oinfo) { + mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota" + " info."); + goto out_err; + } + info->dqi_priv = oinfo; + oinfo->dqi_type = type; + INIT_LIST_HEAD(&oinfo->dqi_chunk); + oinfo->dqi_rec = NULL; + oinfo->dqi_lqi_bh = NULL; + oinfo->dqi_ibh = NULL; + + status = ocfs2_global_read_info(sb, type); + if (status < 0) + goto out_err; + + status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + locked = 1; + + /* Now read local header */ + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(type=%d)\n", type); + goto out_err; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + info->dqi_flags = le32_to_cpu(ldinfo->dqi_flags); + oinfo->dqi_chunks = le32_to_cpu(ldinfo->dqi_chunks); + oinfo->dqi_blocks = le32_to_cpu(ldinfo->dqi_blocks); + oinfo->dqi_ibh = bh; + + /* We crashed when using local quota file? */ + if (!(info->dqi_flags & OLQF_CLEAN)) { + rec = OCFS2_SB(sb)->quota_rec; + if (!rec) { + rec = ocfs2_alloc_quota_recovery(); + if (!rec) { + status = -ENOMEM; + mlog_errno(status); + goto out_err; + } + OCFS2_SB(sb)->quota_rec = rec; + } + + status = ocfs2_recovery_load_quota(lqinode, ldinfo, type, + &rec->r_list[type]); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + } + + status = ocfs2_load_local_quota_bitmaps(lqinode, + ldinfo, + &oinfo->dqi_chunk); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + /* Now mark quota file as used */ + info->dqi_flags &= ~OLQF_CLEAN; + status = ocfs2_modify_bh(lqinode, bh, olq_update_info, info); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + return 0; +out_err: + if (oinfo) { + iput(oinfo->dqi_gqinode); + ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock); + ocfs2_lock_res_free(&oinfo->dqi_gqlock); + brelse(oinfo->dqi_lqi_bh); + if (locked) + ocfs2_inode_unlock(lqinode, 1); + ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + kfree(oinfo); + } + brelse(bh); + return -1; +} + +/* Write local info to quota file */ +static int ocfs2_local_write_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct buffer_head *bh = ((struct ocfs2_mem_dqinfo *)info->dqi_priv) + ->dqi_ibh; + int status; + + status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info, + info); + if (status < 0) { + mlog_errno(status); + return -1; + } + + return 0; +} + +/* Release info from memory */ +static int ocfs2_local_free_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_local_disk_chunk *dchunk; + int mark_clean = 1, len; + int status; + + /* At this point we know there are no more dquots and thus + * even if there's some sync in the pdflush queue, it won't + * find any dquots and return without doing anything */ + cancel_delayed_work_sync(&oinfo->dqi_sync_work); + iput(oinfo->dqi_gqinode); + ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock); + ocfs2_lock_res_free(&oinfo->dqi_gqlock); + list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) { + dchunk = (struct ocfs2_local_disk_chunk *) + (chunk->qc_headerbh->b_data); + if (chunk->qc_num < oinfo->dqi_chunks - 1) { + len = ol_chunk_entries(sb); + } else { + len = (oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1) + * ol_quota_entries_per_block(sb); + } + /* Not all entries free? Bug! */ + if (le32_to_cpu(dchunk->dqc_free) != len) { + mlog(ML_ERROR, "releasing quota file with used " + "entries (type=%d)\n", type); + mark_clean = 0; + } + } + ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + + /* dqonoff_mutex protects us against racing with recovery thread... */ + if (oinfo->dqi_rec) { + ocfs2_free_quota_recovery(oinfo->dqi_rec); + mark_clean = 0; + } + + if (!mark_clean) + goto out; + + /* Mark local file as clean */ + info->dqi_flags |= OLQF_CLEAN; + status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], + oinfo->dqi_ibh, + olq_update_info, + info); + if (status < 0) { + mlog_errno(status); + goto out; + } + +out: + ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1); + brelse(oinfo->dqi_ibh); + brelse(oinfo->dqi_lqi_bh); + kfree(oinfo); + return 0; +} + +static void olq_set_dquot(struct buffer_head *bh, void *private) +{ + struct ocfs2_dquot *od = private; + struct ocfs2_local_disk_dqblk *dqblk; + struct super_block *sb = od->dq_dquot.dq_sb; + + dqblk = (struct ocfs2_local_disk_dqblk *)(bh->b_data + + ol_dqblk_block_offset(sb, od->dq_local_off)); + + dqblk->dqb_id = cpu_to_le64(od->dq_dquot.dq_id); + spin_lock(&dq_data_lock); + dqblk->dqb_spacemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curspace - + od->dq_origspace); + dqblk->dqb_inodemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curinodes - + od->dq_originodes); + spin_unlock(&dq_data_lock); + mlog(0, "Writing local dquot %u space %lld inodes %lld\n", + od->dq_dquot.dq_id, (long long)le64_to_cpu(dqblk->dqb_spacemod), + (long long)le64_to_cpu(dqblk->dqb_inodemod)); +} + +/* Write dquot to local quota file */ +static int ocfs2_local_write_dquot(struct dquot *dquot) +{ + struct super_block *sb = dquot->dq_sb; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + struct buffer_head *bh = NULL; + int status; + + status = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type], + ol_dqblk_file_block(sb, od->dq_local_off), + &bh); + if (status) { + mlog_errno(status); + goto out; + } + status = ocfs2_modify_bh(sb_dqopt(sb)->files[dquot->dq_type], bh, + olq_set_dquot, od); + if (status < 0) { + mlog_errno(status); + goto out; + } +out: + brelse(bh); + return status; +} + +/* Find free entry in local quota file */ +static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_local_disk_chunk *dchunk; + int found = 0, len; + + list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) { + dchunk = (struct ocfs2_local_disk_chunk *) + chunk->qc_headerbh->b_data; + if (le32_to_cpu(dchunk->dqc_free) > 0) { + found = 1; + break; + } + } + if (!found) + return NULL; + + if (chunk->qc_num < oinfo->dqi_chunks - 1) { + len = ol_chunk_entries(sb); + } else { + len = (oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1) + * ol_quota_entries_per_block(sb); + } + + found = ocfs2_find_next_zero_bit(dchunk->dqc_bitmap, len, 0); + /* We failed? */ + if (found == len) { + mlog(ML_ERROR, "Did not find empty entry in chunk %d with %u" + " entries free (type=%d)\n", chunk->qc_num, + le32_to_cpu(dchunk->dqc_free), type); + return ERR_PTR(-EIO); + } + *offset = found; + return chunk; +} + +/* Add new chunk to the local quota file */ +static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk( + struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_quota_chunk *chunk = NULL; + struct ocfs2_local_disk_chunk *dchunk; + int status; + handle_t *handle; + struct buffer_head *bh = NULL; + u64 p_blkno; + + /* We are protected by dqio_sem so no locking needed */ + status = ocfs2_extend_no_holes(lqinode, + lqinode->i_size + 2 * sb->s_blocksize, + lqinode->i_size); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, + lqinode->i_size + 2 * sb->s_blocksize); + if (status < 0) { + mlog_errno(status); + goto out; + } + + chunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS); + if (!chunk) { + status = -ENOMEM; + mlog_errno(status); + goto out; + } + + down_read(&OCFS2_I(lqinode)->ip_alloc_sem); + status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks, + &p_blkno, NULL, NULL); + up_read(&OCFS2_I(lqinode)->ip_alloc_sem); + if (status < 0) { + mlog_errno(status); + goto out; + } + bh = sb_getblk(sb, p_blkno); + if (!bh) { + status = -ENOMEM; + mlog_errno(status); + goto out; + } + dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data; + + handle = ocfs2_start_trans(OCFS2_SB(sb), 2); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + + status = ocfs2_journal_access_dq(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + lock_buffer(bh); + dchunk->dqc_free = cpu_to_le32(ol_quota_entries_per_block(sb)); + memset(dchunk->dqc_bitmap, 0, + sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) - + OCFS2_QBLK_RESERVED_SPACE); + set_buffer_uptodate(bh); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + oinfo->dqi_blocks += 2; + oinfo->dqi_chunks++; + status = ocfs2_local_write_info(sb, type); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + goto out; + } + + list_add_tail(&chunk->qc_chunk, &oinfo->dqi_chunk); + chunk->qc_num = list_entry(chunk->qc_chunk.prev, + struct ocfs2_quota_chunk, + qc_chunk)->qc_num + 1; + chunk->qc_headerbh = bh; + *offset = 0; + return chunk; +out_trans: + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + brelse(bh); + kmem_cache_free(ocfs2_qf_chunk_cachep, chunk); + return ERR_PTR(status); +} + +/* Find free entry in local quota file */ +static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file( + struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_local_disk_chunk *dchunk; + int epb = ol_quota_entries_per_block(sb); + unsigned int chunk_blocks; + int status; + handle_t *handle; + + if (list_empty(&oinfo->dqi_chunk)) + return ocfs2_local_quota_add_chunk(sb, type, offset); + /* Is the last chunk full? */ + chunk = list_entry(oinfo->dqi_chunk.prev, + struct ocfs2_quota_chunk, qc_chunk); + chunk_blocks = oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1; + if (ol_chunk_blocks(sb) == chunk_blocks) + return ocfs2_local_quota_add_chunk(sb, type, offset); + + /* We are protected by dqio_sem so no locking needed */ + status = ocfs2_extend_no_holes(lqinode, + lqinode->i_size + sb->s_blocksize, + lqinode->i_size); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, + lqinode->i_size + sb->s_blocksize); + if (status < 0) { + mlog_errno(status); + goto out; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), 2); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + status = ocfs2_journal_access_dq(handle, lqinode, chunk->qc_headerbh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + dchunk = (struct ocfs2_local_disk_chunk *)chunk->qc_headerbh->b_data; + lock_buffer(chunk->qc_headerbh); + le32_add_cpu(&dchunk->dqc_free, ol_quota_entries_per_block(sb)); + unlock_buffer(chunk->qc_headerbh); + status = ocfs2_journal_dirty(handle, chunk->qc_headerbh); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + oinfo->dqi_blocks++; + status = ocfs2_local_write_info(sb, type); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + goto out; + } + *offset = chunk_blocks * epb; + return chunk; +out_trans: + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + return ERR_PTR(status); +} + +static void olq_alloc_dquot(struct buffer_head *bh, void *private) +{ + int *offset = private; + struct ocfs2_local_disk_chunk *dchunk; + + dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data; + ocfs2_set_bit(*offset, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, -1); +} + +/* Create dquot in the local file for given id */ +static int ocfs2_create_local_dquot(struct dquot *dquot) +{ + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + int offset; + int status; + + chunk = ocfs2_find_free_entry(sb, type, &offset); + if (!chunk) { + chunk = ocfs2_extend_local_quota_file(sb, type, &offset); + if (IS_ERR(chunk)) + return PTR_ERR(chunk); + } else if (IS_ERR(chunk)) { + return PTR_ERR(chunk); + } + od->dq_local_off = ol_dqblk_off(sb, chunk->qc_num, offset); + od->dq_chunk = chunk; + + /* Initialize dquot structure on disk */ + status = ocfs2_local_write_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out; + } + + /* Mark structure as allocated */ + status = ocfs2_modify_bh(lqinode, chunk->qc_headerbh, olq_alloc_dquot, + &offset); + if (status < 0) { + mlog_errno(status); + goto out; + } +out: + return status; +} + +/* Create entry in local file for dquot, load data from the global file */ +static int ocfs2_local_read_dquot(struct dquot *dquot) +{ + int status; + + mlog_entry("id=%u, type=%d\n", dquot->dq_id, dquot->dq_type); + + status = ocfs2_global_read_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + /* Now create entry in the local quota file */ + status = ocfs2_create_local_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + mlog_exit(0); + return 0; +out_err: + mlog_exit(status); + return status; +} + +/* Release dquot structure from local quota file. ocfs2_release_dquot() has + * already started a transaction and obtained exclusive lock for global + * quota file. */ +static int ocfs2_local_release_dquot(struct dquot *dquot) +{ + int status; + int type = dquot->dq_type; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + struct super_block *sb = dquot->dq_sb; + struct ocfs2_local_disk_chunk *dchunk; + int offset; + handle_t *handle = journal_current_handle(); + + BUG_ON(!handle); + /* First write all local changes to global file */ + status = ocfs2_global_release_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out; + } + + status = ocfs2_journal_access_dq(handle, sb_dqopt(sb)->files[type], + od->dq_chunk->qc_headerbh, OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out; + } + offset = ol_dqblk_chunk_off(sb, od->dq_chunk->qc_num, + od->dq_local_off); + dchunk = (struct ocfs2_local_disk_chunk *) + (od->dq_chunk->qc_headerbh->b_data); + /* Mark structure as freed */ + lock_buffer(od->dq_chunk->qc_headerbh); + ocfs2_clear_bit(offset, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, 1); + unlock_buffer(od->dq_chunk->qc_headerbh); + status = ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = 0; +out: + /* Clear the read bit so that next time someone uses this + * dquot he reads fresh info from disk and allocates local + * dquot structure */ + clear_bit(DQ_READ_B, &dquot->dq_flags); + return status; +} + +static struct quota_format_ops ocfs2_format_ops = { + .check_quota_file = ocfs2_local_check_quota_file, + .read_file_info = ocfs2_local_read_info, + .write_file_info = ocfs2_global_write_info, + .free_file_info = ocfs2_local_free_info, + .read_dqblk = ocfs2_local_read_dquot, + .commit_dqblk = ocfs2_local_write_dquot, + .release_dqblk = ocfs2_local_release_dquot, +}; + +struct quota_format_type ocfs2_quota_format = { + .qf_fmt_id = QFMT_OCFS2, + .qf_ops = &ocfs2_format_ops, + .qf_owner = THIS_MODULE +}; diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index ffd48db229a..424adaa5f90 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -106,8 +106,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, mlog_entry("(new_clusters=%d, first_new_cluster = %u)\n", new_clusters, first_new_cluster); - ret = ocfs2_journal_access(handle, bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out; @@ -141,8 +141,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, } /* update the inode accordingly. */ - ret = ocfs2_journal_access(handle, bm_inode, bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, bm_inode, bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_rollback; @@ -314,6 +314,10 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) fe = (struct ocfs2_dinode *)main_bm_bh->b_data; + /* main_bm_bh is validated by inode read inside ocfs2_inode_lock(), + * so any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (le16_to_cpu(fe->id2.i_chain.cl_cpg) != ocfs2_group_bitmap_size(osb->sb) * 8) { mlog(ML_ERROR, "The disk is too old and small. " @@ -322,30 +326,18 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) goto out_unlock; } - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(main_bm_inode->i_sb, fe); - ret = -EIO; - goto out_unlock; - } - first_new_cluster = le32_to_cpu(fe->i_clusters); lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); - ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh); + ret = ocfs2_read_group_descriptor(main_bm_inode, fe, lgd_blkno, + &group_bh); if (ret < 0) { mlog_errno(ret); goto out_unlock; } - group = (struct ocfs2_group_desc *)group_bh->b_data; - ret = ocfs2_check_group_descriptor(inode->i_sb, fe, group); - if (ret) { - mlog_errno(ret); - goto out_unlock; - } - cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc); if (le16_to_cpu(group->bg_bits) / cl_bpc + new_clusters > le16_to_cpu(fe->id2.i_chain.cl_cpg)) { @@ -398,41 +390,16 @@ static int ocfs2_check_new_group(struct inode *inode, struct buffer_head *group_bh) { int ret; - struct ocfs2_group_desc *gd; + struct ocfs2_group_desc *gd = + (struct ocfs2_group_desc *)group_bh->b_data; u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc); - unsigned int max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * - le16_to_cpu(di->id2.i_chain.cl_bpc); - - gd = (struct ocfs2_group_desc *)group_bh->b_data; + ret = ocfs2_check_group_descriptor(inode->i_sb, di, group_bh); + if (ret) + goto out; - ret = -EIO; - if (!OCFS2_IS_VALID_GROUP_DESC(gd)) - mlog(ML_ERROR, "Group descriptor # %llu isn't valid.\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno)); - else if (di->i_blkno != gd->bg_parent_dinode) - mlog(ML_ERROR, "Group descriptor # %llu has bad parent " - "pointer (%llu, expected %llu)\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), - (unsigned long long)le64_to_cpu(di->i_blkno)); - else if (le16_to_cpu(gd->bg_bits) > max_bits) - mlog(ML_ERROR, "Group descriptor # %llu has bit count of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits)); - else if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "claims that %u are free\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - else if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "max bitmap bits of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - else if (le16_to_cpu(gd->bg_chain) != input->chain) + ret = -EINVAL; + if (le16_to_cpu(gd->bg_chain) != input->chain) mlog(ML_ERROR, "Group descriptor # %llu has bad chain %u " "while input has %u set.\n", (unsigned long long)le64_to_cpu(gd->bg_blkno), @@ -451,6 +418,7 @@ static int ocfs2_check_new_group(struct inode *inode, else ret = 0; +out: return ret; } @@ -568,8 +536,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) cl = &fe->id2.i_chain; cr = &cl->cl_recs[input->chain]; - ret = ocfs2_journal_access(handle, main_bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, main_bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; @@ -584,8 +552,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) goto out_commit; } - ret = ocfs2_journal_access(handle, main_bm_inode, main_bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, main_bm_inode, main_bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index bdda2d8f850..40661e7824e 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -151,7 +151,7 @@ int ocfs2_refresh_slot_info(struct ocfs2_super *osb) * this is not true, the read of -1 (UINT64_MAX) will fail. */ ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, - OCFS2_BH_IGNORE_CACHE); + OCFS2_BH_IGNORE_CACHE, NULL); if (ret == 0) { spin_lock(&osb->osb_lock); ocfs2_update_slot_info(si); @@ -405,7 +405,7 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, bh = NULL; /* Acquire a fresh bh */ status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, - OCFS2_BH_IGNORE_CACHE); + OCFS2_BH_IGNORE_CACHE, NULL); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index c5ff18b46b5..a69628603e1 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -35,6 +35,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "inode.h" #include "journal.h" @@ -145,62 +146,183 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) return (u32)le16_to_cpu(cl->cl_cpg) * (u32)le16_to_cpu(cl->cl_bpc); } -/* somewhat more expensive than our other checks, so use sparingly. */ -int ocfs2_check_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd) +#define do_error(fmt, ...) \ + do{ \ + if (clean_error) \ + mlog(ML_ERROR, fmt "\n", ##__VA_ARGS__); \ + else \ + ocfs2_error(sb, fmt, ##__VA_ARGS__); \ + } while (0) + +static int ocfs2_validate_gd_self(struct super_block *sb, + struct buffer_head *bh, + int clean_error) { - unsigned int max_bits; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(sb, gd); - return -EIO; + do_error("Group descriptor #%llu has bad signature %.*s", + (unsigned long long)bh->b_blocknr, 7, + gd->bg_signature); + return -EINVAL; } + if (le64_to_cpu(gd->bg_blkno) != bh->b_blocknr) { + do_error("Group descriptor #%llu has an invalid bg_blkno " + "of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(gd->bg_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(gd->bg_generation) != OCFS2_SB(sb)->fs_generation) { + do_error("Group descriptor #%llu has an invalid " + "fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(gd->bg_generation)); + return -EINVAL; + } + + if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { + do_error("Group descriptor #%llu has bit count %u but " + "claims that %u are free", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_bits), + le16_to_cpu(gd->bg_free_bits_count)); + return -EINVAL; + } + + if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { + do_error("Group descriptor #%llu has bit count %u but " + "max bitmap bits of %u", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_bits), + 8 * le16_to_cpu(gd->bg_size)); + return -EINVAL; + } + + return 0; +} + +static int ocfs2_validate_gd_parent(struct super_block *sb, + struct ocfs2_dinode *di, + struct buffer_head *bh, + int clean_error) +{ + unsigned int max_bits; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + if (di->i_blkno != gd->bg_parent_dinode) { - ocfs2_error(sb, "Group descriptor # %llu has bad parent " - "pointer (%llu, expected %llu)", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), - (unsigned long long)le64_to_cpu(di->i_blkno)); - return -EIO; + do_error("Group descriptor #%llu has bad parent " + "pointer (%llu, expected %llu)", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), + (unsigned long long)le64_to_cpu(di->i_blkno)); + return -EINVAL; } max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * le16_to_cpu(di->id2.i_chain.cl_bpc); if (le16_to_cpu(gd->bg_bits) > max_bits) { - ocfs2_error(sb, "Group descriptor # %llu has bit count of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits)); - return -EIO; + do_error("Group descriptor #%llu has bit count of %u", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_bits)); + return -EINVAL; } if (le16_to_cpu(gd->bg_chain) >= le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) { - ocfs2_error(sb, "Group descriptor # %llu has bad chain %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_chain)); - return -EIO; + do_error("Group descriptor #%llu has bad chain %u", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_chain)); + return -EINVAL; } - if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { - ocfs2_error(sb, "Group descriptor # %llu has bit count %u but " - "claims that %u are free", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - return -EIO; - } + return 0; +} - if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { - ocfs2_error(sb, "Group descriptor # %llu has bit count %u but " - "max bitmap bits of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - return -EIO; +#undef do_error + +/* + * This version only prints errors. It does not fail the filesystem, and + * exists only for resize. + */ +int ocfs2_check_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check); + if (rc) { + mlog(ML_ERROR, + "Checksum failed for group descriptor %llu\n", + (unsigned long long)bh->b_blocknr); + } else + rc = ocfs2_validate_gd_self(sb, bh, 1); + if (!rc) + rc = ocfs2_validate_gd_parent(sb, di, bh, 1); + + return rc; +} + +static int ocfs2_validate_group_descriptor(struct super_block *sb, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + + mlog(0, "Validating group descriptor %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check); + if (rc) + return rc; + + /* + * Errors after here are fatal. + */ + + return ocfs2_validate_gd_self(sb, bh, 0); +} + +int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, + u64 gd_blkno, struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, gd_blkno, &tmp, + ocfs2_validate_group_descriptor); + if (rc) + goto out; + + rc = ocfs2_validate_gd_parent(inode->i_sb, di, tmp, 0); + if (rc) { + brelse(tmp); + goto out; } - return 0; + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc; } static int ocfs2_block_group_fill(handle_t *handle, @@ -225,10 +347,10 @@ static int ocfs2_block_group_fill(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, - alloc_inode, - bg_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_gd(handle, + alloc_inode, + bg_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -358,8 +480,8 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, bg = (struct ocfs2_group_desc *) bg_bh->b_data; - status = ocfs2_journal_access(handle, alloc_inode, - bh, OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, + bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -441,11 +563,11 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, ac->ac_alloc_slot = slot; fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto bail; - } + + /* The bh was validated by the inode read inside + * ocfs2_inode_lock(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (!(fe->i_flags & cpu_to_le32(OCFS2_CHAIN_FL))) { ocfs2_error(alloc_inode->i_sb, "Invalid chain allocator %llu", (unsigned long long)le64_to_cpu(fe->i_blkno)); @@ -790,10 +912,9 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb, int offset, start, found, status = 0; struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(osb->sb, bg); - return -EIO; - } + /* Callers got this descriptor from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); found = start = best_offset = best_size = 0; bitmap = bg->bg_bitmap; @@ -858,11 +979,9 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto bail; - } + /* All callers get the descriptor via + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits); mlog(0, "block_group_set_bits: off = %u, num = %u\n", bit_off, @@ -871,10 +990,10 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle, if (ocfs2_is_cluster_bitmap(alloc_inode)) journal_type = OCFS2_JOURNAL_ACCESS_UNDO; - status = ocfs2_journal_access(handle, - alloc_inode, - group_bh, - journal_type); + status = ocfs2_journal_access_gd(handle, + alloc_inode, + group_bh, + journal_type); if (status < 0) { mlog_errno(status); goto bail; @@ -931,21 +1050,10 @@ static int ocfs2_relink_block_group(handle_t *handle, struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; struct ocfs2_group_desc *prev_bg = (struct ocfs2_group_desc *) prev_bg_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto out; - } - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto out; - } - if (!OCFS2_IS_VALID_GROUP_DESC(prev_bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, prev_bg); - status = -EIO; - goto out; - } + /* The caller got these descriptors from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(prev_bg)); mlog(0, "Suballoc %llu, chain %u, move group %llu to top, prev = %llu\n", (unsigned long long)le64_to_cpu(fe->i_blkno), chain, @@ -956,8 +1064,8 @@ static int ocfs2_relink_block_group(handle_t *handle, bg_ptr = le64_to_cpu(bg->bg_next_group); prev_bg_ptr = le64_to_cpu(prev_bg->bg_next_group); - status = ocfs2_journal_access(handle, alloc_inode, prev_bg_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_gd(handle, alloc_inode, prev_bg_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -971,8 +1079,8 @@ static int ocfs2_relink_block_group(handle_t *handle, goto out_rollback; } - status = ocfs2_journal_access(handle, alloc_inode, bg_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_gd(handle, alloc_inode, bg_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -986,8 +1094,8 @@ static int ocfs2_relink_block_group(handle_t *handle, goto out_rollback; } - status = ocfs2_journal_access(handle, alloc_inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -1008,7 +1116,7 @@ out_rollback: bg->bg_next_group = cpu_to_le64(bg_ptr); prev_bg->bg_next_group = cpu_to_le64(prev_bg_ptr); } -out: + mlog_exit(status); return status; } @@ -1138,8 +1246,8 @@ static int ocfs2_alloc_dinode_update_counts(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data; struct ocfs2_chain_list *cl = (struct ocfs2_chain_list *) &di->id2.i_chain; - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out; @@ -1170,21 +1278,17 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, u16 found; struct buffer_head *group_bh = NULL; struct ocfs2_group_desc *gd; + struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; struct inode *alloc_inode = ac->ac_inode; - ret = ocfs2_read_block(alloc_inode, gd_blkno, &group_bh); + ret = ocfs2_read_group_descriptor(alloc_inode, di, gd_blkno, + &group_bh); if (ret < 0) { mlog_errno(ret); return ret; } gd = (struct ocfs2_group_desc *) group_bh->b_data; - if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, gd); - ret = -EIO; - goto out; - } - ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, ac->ac_max_block, bit_off, &found); if (ret < 0) { @@ -1241,19 +1345,14 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, bits_wanted, chain, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno); - status = ocfs2_read_block(alloc_inode, - le64_to_cpu(cl->cl_recs[chain].c_blkno), - &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, + le64_to_cpu(cl->cl_recs[chain].c_blkno), + &group_bh); if (status < 0) { mlog_errno(status); goto bail; } bg = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg); - if (status) { - mlog_errno(status); - goto bail; - } status = -ENOSPC; /* for now, the chain search is a bit simplistic. We just use @@ -1271,18 +1370,13 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, next_group = le64_to_cpu(bg->bg_next_group); prev_group_bh = group_bh; group_bh = NULL; - status = ocfs2_read_block(alloc_inode, - next_group, &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, + next_group, &group_bh); if (status < 0) { mlog_errno(status); goto bail; } bg = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg); - if (status) { - mlog_errno(status); - goto bail; - } } if (status < 0) { if (status != -ENOSPC) @@ -1324,10 +1418,10 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, /* Ok, claim our bits now: set the info on dinode, chainlist * and then the group */ - status = ocfs2_journal_access(handle, - alloc_inode, - ac->ac_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, + alloc_inode, + ac->ac_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1392,11 +1486,11 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb, BUG_ON(!ac->ac_bh); fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, fe); - status = -EIO; - goto bail; - } + + /* The bh was validated by the inode read during + * ocfs2_reserve_suballoc_bits(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (le32_to_cpu(fe->id1.bitmap1.i_used) >= le32_to_cpu(fe->id1.bitmap1.i_total)) { ocfs2_error(osb->sb, "Chain allocator dinode %llu has %u used " @@ -1725,19 +1819,17 @@ static inline int ocfs2_block_group_clear_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto bail; - } + /* The caller got this descriptor from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); mlog(0, "off = %u, num = %u\n", bit_off, num_bits); if (ocfs2_is_cluster_bitmap(alloc_inode)) journal_type = OCFS2_JOURNAL_ACCESS_UNDO; - status = ocfs2_journal_access(handle, alloc_inode, group_bh, - journal_type); + status = ocfs2_journal_access_gd(handle, alloc_inode, group_bh, + journal_type); if (status < 0) { mlog_errno(status); goto bail; @@ -1782,29 +1874,26 @@ int ocfs2_free_suballoc_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto bail; - } + /* The alloc_bh comes from ocfs2_free_dinode() or + * ocfs2_free_clusters(). The callers have all locked the + * allocator and gotten alloc_bh from the lock call. This + * validates the dinode buffer. Any corruption that has happended + * is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); BUG_ON((count + start_bit) > ocfs2_bits_per_group(cl)); mlog(0, "%llu: freeing %u bits from group %llu, starting at %u\n", (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno, count, (unsigned long long)bg_blkno, start_bit); - status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, bg_blkno, + &group_bh); if (status < 0) { mlog_errno(status); goto bail; } - group = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, group); - if (status) { - mlog_errno(status); - goto bail; - } + BUG_ON((count + start_bit) > le16_to_cpu(group->bg_bits)); status = ocfs2_block_group_clear_bits(handle, alloc_inode, @@ -1815,8 +1904,8 @@ int ocfs2_free_suballoc_bits(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, alloc_inode, alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 4df159d8f45..e3c13c77f9e 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -164,10 +164,24 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); * and return that block offset. */ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); -/* somewhat more expensive than our other checks, so use sparingly. */ +/* + * By default, ocfs2_read_group_descriptor() calls ocfs2_error() when it + * finds a problem. A caller that wants to check a group descriptor + * without going readonly should read the block with ocfs2_read_block[s]() + * and then checking it with this function. This is only resize, really. + * Everyone else should be using ocfs2_read_group_descriptor(). + */ int ocfs2_check_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd); + struct buffer_head *bh); +/* + * Read a group descriptor block into *bh. If *bh is NULL, a bh will be + * allocated. This is a cached read. The descriptor will be validated with + * ocfs2_validate_group_descriptor(). + */ +int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, + u64 gd_blkno, struct buffer_head **bh); + int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 304b63ac78c..43ed11345b5 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -41,6 +41,7 @@ #include <linux/debugfs.h> #include <linux/mount.h> #include <linux/seq_file.h> +#include <linux/quotaops.h> #define MLOG_MASK_PREFIX ML_SUPER #include <cluster/masklog.h> @@ -51,6 +52,7 @@ #include "ocfs1_fs_compat.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "export.h" #include "extent_map.h" @@ -65,10 +67,13 @@ #include "uptodate.h" #include "ver.h" #include "xattr.h" +#include "quota.h" #include "buffer_head_io.h" static struct kmem_cache *ocfs2_inode_cachep = NULL; +struct kmem_cache *ocfs2_dquot_cachep; +struct kmem_cache *ocfs2_qf_chunk_cachep; /* OCFS2 needs to schedule several differnt types of work which * require cluster locking, disk I/O, recovery waits, etc. Since these @@ -124,6 +129,9 @@ static int ocfs2_get_sector(struct super_block *sb, static void ocfs2_write_super(struct super_block *sb); static struct inode *ocfs2_alloc_inode(struct super_block *sb); static void ocfs2_destroy_inode(struct inode *inode); +static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend); +static int ocfs2_enable_quotas(struct ocfs2_super *osb); +static void ocfs2_disable_quotas(struct ocfs2_super *osb); static const struct super_operations ocfs2_sops = { .statfs = ocfs2_statfs, @@ -137,6 +145,8 @@ static const struct super_operations ocfs2_sops = { .put_super = ocfs2_put_super, .remount_fs = ocfs2_remount, .show_options = ocfs2_show_options, + .quota_read = ocfs2_quota_read, + .quota_write = ocfs2_quota_write, }; enum { @@ -158,6 +168,10 @@ enum { Opt_user_xattr, Opt_nouser_xattr, Opt_inode64, + Opt_acl, + Opt_noacl, + Opt_usrquota, + Opt_grpquota, Opt_err, }; @@ -180,6 +194,10 @@ static const match_table_t tokens = { {Opt_user_xattr, "user_xattr"}, {Opt_nouser_xattr, "nouser_xattr"}, {Opt_inode64, "inode64"}, + {Opt_acl, "acl"}, + {Opt_noacl, "noacl"}, + {Opt_usrquota, "usrquota"}, + {Opt_grpquota, "grpquota"}, {Opt_err, NULL} }; @@ -221,6 +239,19 @@ static int ocfs2_sync_fs(struct super_block *sb, int wait) return 0; } +static int ocfs2_need_system_inode(struct ocfs2_super *osb, int ino) +{ + if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA) + && (ino == USER_QUOTA_SYSTEM_INODE + || ino == LOCAL_USER_QUOTA_SYSTEM_INODE)) + return 0; + if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA) + && (ino == GROUP_QUOTA_SYSTEM_INODE + || ino == LOCAL_GROUP_QUOTA_SYSTEM_INODE)) + return 0; + return 1; +} + static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb) { struct inode *new = NULL; @@ -247,6 +278,8 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb) for (i = OCFS2_FIRST_ONLINE_SYSTEM_INODE; i <= OCFS2_LAST_GLOBAL_SYSTEM_INODE; i++) { + if (!ocfs2_need_system_inode(osb, i)) + continue; new = ocfs2_get_system_file_inode(osb, i, osb->slot_num); if (!new) { ocfs2_release_system_inodes(osb); @@ -277,6 +310,8 @@ static int ocfs2_init_local_system_inodes(struct ocfs2_super *osb) for (i = OCFS2_LAST_GLOBAL_SYSTEM_INODE + 1; i < NUM_SYSTEM_INODES; i++) { + if (!ocfs2_need_system_inode(osb, i)) + continue; new = ocfs2_get_system_file_inode(osb, i, osb->slot_num); if (!new) { ocfs2_release_system_inodes(osb); @@ -426,6 +461,12 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) /* We're going to/from readonly mode. */ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) { + /* Disable quota accounting before remounting RO */ + if (*flags & MS_RDONLY) { + ret = ocfs2_susp_quotas(osb, 0); + if (ret < 0) + goto out; + } /* Lock here so the check of HARD_RO and the potential * setting of SOFT_RO is atomic. */ spin_lock(&osb->osb_lock); @@ -461,11 +502,28 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) } unlock_osb: spin_unlock(&osb->osb_lock); + /* Enable quota accounting after remounting RW */ + if (!ret && !(*flags & MS_RDONLY)) { + if (sb_any_quota_suspended(sb)) + ret = ocfs2_susp_quotas(osb, 1); + else + ret = ocfs2_enable_quotas(osb); + if (ret < 0) { + /* Return back changes... */ + spin_lock(&osb->osb_lock); + sb->s_flags |= MS_RDONLY; + osb->osb_flags |= OCFS2_OSB_SOFT_RO; + spin_unlock(&osb->osb_lock); + goto out; + } + } } if (!ret) { /* Only save off the new mount options in case of a successful * remount. */ + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; @@ -619,6 +677,131 @@ static int ocfs2_verify_userspace_stack(struct ocfs2_super *osb, return 0; } +static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend) +{ + int type; + struct super_block *sb = osb->sb; + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + int status = 0; + + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + if (unsuspend) + status = vfs_quota_enable( + sb_dqopt(sb)->files[type], + type, QFMT_OCFS2, + DQUOT_SUSPENDED); + else + status = vfs_quota_disable(sb, type, + DQUOT_SUSPENDED); + if (status < 0) + break; + } + if (status < 0) + mlog(ML_ERROR, "Failed to suspend/unsuspend quotas on " + "remount (error = %d).\n", status); + return status; +} + +static int ocfs2_enable_quotas(struct ocfs2_super *osb) +{ + struct inode *inode[MAXQUOTAS] = { NULL, NULL }; + struct super_block *sb = osb->sb; + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + int status; + int type; + + sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE; + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + inode[type] = ocfs2_get_system_file_inode(osb, ino[type], + osb->slot_num); + if (!inode[type]) { + status = -ENOENT; + goto out_quota_off; + } + status = vfs_quota_enable(inode[type], type, QFMT_OCFS2, + DQUOT_USAGE_ENABLED); + if (status < 0) + goto out_quota_off; + } + + for (type = 0; type < MAXQUOTAS; type++) + iput(inode[type]); + return 0; +out_quota_off: + ocfs2_disable_quotas(osb); + for (type = 0; type < MAXQUOTAS; type++) + iput(inode[type]); + mlog_errno(status); + return status; +} + +static void ocfs2_disable_quotas(struct ocfs2_super *osb) +{ + int type; + struct inode *inode; + struct super_block *sb = osb->sb; + + /* We mostly ignore errors in this function because there's not much + * we can do when we see them */ + for (type = 0; type < MAXQUOTAS; type++) { + if (!sb_has_quota_loaded(sb, type)) + continue; + inode = igrab(sb->s_dquot.files[type]); + /* Turn off quotas. This will remove all dquot structures from + * memory and so they will be automatically synced to global + * quota files */ + vfs_quota_disable(sb, type, DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); + if (!inode) + continue; + iput(inode); + } +} + +/* Handle quota on quotactl */ +static int ocfs2_quota_on(struct super_block *sb, int type, int format_id, + char *path, int remount) +{ + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + return -EINVAL; + + if (remount) + return 0; /* Just ignore it has been handled in + * ocfs2_remount() */ + return vfs_quota_enable(sb_dqopt(sb)->files[type], type, + format_id, DQUOT_LIMITS_ENABLED); +} + +/* Handle quota off quotactl */ +static int ocfs2_quota_off(struct super_block *sb, int type, int remount) +{ + if (remount) + return 0; /* Ignore now and handle later in + * ocfs2_remount() */ + return vfs_quota_disable(sb, type, DQUOT_LIMITS_ENABLED); +} + +static struct quotactl_ops ocfs2_quotactl_ops = { + .quota_on = ocfs2_quota_on, + .quota_off = ocfs2_quota_off, + .quota_sync = vfs_quota_sync, + .get_info = vfs_get_dqinfo, + .set_info = vfs_set_dqinfo, + .get_dqblk = vfs_get_dqblk, + .set_dqblk = vfs_set_dqblk, +}; + static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) { struct dentry *root; @@ -651,12 +834,32 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) } brelse(bh); bh = NULL; + + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; osb->osb_commit_interval = parsed_options.commit_interval; osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt); osb->local_alloc_bits = osb->local_alloc_default_bits; + if (osb->s_mount_opt & OCFS2_MOUNT_USRQUOTA && + !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + status = -EINVAL; + mlog(ML_ERROR, "User quotas were requested, but this " + "filesystem does not have the feature enabled.\n"); + goto read_super_error; + } + if (osb->s_mount_opt & OCFS2_MOUNT_GRPQUOTA && + !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + status = -EINVAL; + mlog(ML_ERROR, "Group quotas were requested, but this " + "filesystem does not have the feature enabled.\n"); + goto read_super_error; + } status = ocfs2_verify_userspace_stack(osb, &parsed_options); if (status) @@ -664,6 +867,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = OCFS2_SUPER_MAGIC; + sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); + /* Hard readonly mode only if: bdev_read_only, MS_RDONLY, * heartbeat=none */ if (bdev_read_only(sb->s_bdev)) { @@ -758,6 +964,28 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) atomic_set(&osb->vol_state, VOLUME_MOUNTED); wake_up(&osb->osb_mount_event); + /* Now we can initialize quotas because we can afford to wait + * for cluster locks recovery now. That also means that truncation + * log recovery can happen but that waits for proper quota setup */ + if (!(sb->s_flags & MS_RDONLY)) { + status = ocfs2_enable_quotas(osb); + if (status < 0) { + /* We have to err-out specially here because + * s_root is already set */ + mlog_errno(status); + atomic_set(&osb->vol_state, VOLUME_DISABLED); + wake_up(&osb->osb_mount_event); + mlog_exit(status); + return status; + } + } + + ocfs2_complete_quota_recovery(osb); + + /* Now we wake up again for processes waiting for quotas */ + atomic_set(&osb->vol_state, VOLUME_MOUNTED_QUOTAS); + wake_up(&osb->osb_mount_event); + mlog_exit(status); return status; @@ -945,6 +1173,41 @@ static int ocfs2_parse_options(struct super_block *sb, case Opt_inode64: mopt->mount_opt |= OCFS2_MOUNT_INODE64; break; + case Opt_usrquota: + /* We check only on remount, otherwise features + * aren't yet initialized. */ + if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + mlog(ML_ERROR, "User quota requested but " + "filesystem feature is not set\n"); + status = 0; + goto bail; + } + mopt->mount_opt |= OCFS2_MOUNT_USRQUOTA; + break; + case Opt_grpquota: + if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + mlog(ML_ERROR, "Group quota requested but " + "filesystem feature is not set\n"); + status = 0; + goto bail; + } + mopt->mount_opt |= OCFS2_MOUNT_GRPQUOTA; + break; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + case Opt_acl: + mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL; + break; + case Opt_noacl: + mopt->mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + break; +#else + case Opt_acl: + case Opt_noacl: + printk(KERN_INFO "ocfs2 (no)acl options not supported\n"); + break; +#endif default: mlog(ML_ERROR, "Unrecognized mount option \"%s\" " @@ -1008,6 +1271,10 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (osb->osb_cluster_stack[0]) seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN, osb->osb_cluster_stack); + if (opts & OCFS2_MOUNT_USRQUOTA) + seq_printf(s, ",usrquota"); + if (opts & OCFS2_MOUNT_GRPQUOTA) + seq_printf(s, ",grpquota"); if (opts & OCFS2_MOUNT_NOUSERXATTR) seq_printf(s, ",nouser_xattr"); @@ -1017,6 +1284,13 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (opts & OCFS2_MOUNT_INODE64) seq_printf(s, ",inode64"); +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + if (opts & OCFS2_MOUNT_POSIX_ACL) + seq_printf(s, ",acl"); + else + seq_printf(s, ",noacl"); +#endif + return 0; } @@ -1052,10 +1326,16 @@ static int __init ocfs2_init(void) mlog(ML_ERROR, "Unable to create ocfs2 debugfs root.\n"); } + status = ocfs2_quota_setup(); + if (status) + goto leave; + ocfs2_set_locking_protocol(); + status = register_quota_format(&ocfs2_quota_format); leave: if (status < 0) { + ocfs2_quota_shutdown(); ocfs2_free_mem_caches(); exit_ocfs2_uptodate_cache(); } @@ -1072,11 +1352,15 @@ static void __exit ocfs2_exit(void) { mlog_entry_void(); + ocfs2_quota_shutdown(); + if (ocfs2_wq) { flush_workqueue(ocfs2_wq); destroy_workqueue(ocfs2_wq); } + unregister_quota_format(&ocfs2_quota_format); + debugfs_remove(ocfs2_debugfs_root); ocfs2_free_mem_caches(); @@ -1192,8 +1476,27 @@ static int ocfs2_initialize_mem_caches(void) (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), ocfs2_inode_init_once); - if (!ocfs2_inode_cachep) + ocfs2_dquot_cachep = kmem_cache_create("ocfs2_dquot_cache", + sizeof(struct ocfs2_dquot), + 0, + (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| + SLAB_MEM_SPREAD), + NULL); + ocfs2_qf_chunk_cachep = kmem_cache_create("ocfs2_qf_chunk_cache", + sizeof(struct ocfs2_quota_chunk), + 0, + (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), + NULL); + if (!ocfs2_inode_cachep || !ocfs2_dquot_cachep || + !ocfs2_qf_chunk_cachep) { + if (ocfs2_inode_cachep) + kmem_cache_destroy(ocfs2_inode_cachep); + if (ocfs2_dquot_cachep) + kmem_cache_destroy(ocfs2_dquot_cachep); + if (ocfs2_qf_chunk_cachep) + kmem_cache_destroy(ocfs2_qf_chunk_cachep); return -ENOMEM; + } return 0; } @@ -1202,8 +1505,15 @@ static void ocfs2_free_mem_caches(void) { if (ocfs2_inode_cachep) kmem_cache_destroy(ocfs2_inode_cachep); - ocfs2_inode_cachep = NULL; + + if (ocfs2_dquot_cachep) + kmem_cache_destroy(ocfs2_dquot_cachep); + ocfs2_dquot_cachep = NULL; + + if (ocfs2_qf_chunk_cachep) + kmem_cache_destroy(ocfs2_qf_chunk_cachep); + ocfs2_qf_chunk_cachep = NULL; } static int ocfs2_get_sector(struct super_block *sb, @@ -1303,6 +1613,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err) osb = OCFS2_SB(sb); BUG_ON(!osb); + ocfs2_disable_quotas(osb); + ocfs2_shutdown_local_alloc(osb); ocfs2_truncate_log_shutdown(osb); @@ -1413,6 +1725,8 @@ static int ocfs2_initialize_super(struct super_block *sb, sb->s_fs_info = osb; sb->s_op = &ocfs2_sops; sb->s_export_op = &ocfs2_export_ops; + sb->s_qcop = &ocfs2_quotactl_ops; + sb->dq_op = &ocfs2_quota_operations; sb->s_xattr = ocfs2_xattr_handlers; sb->s_time_gran = 1; sb->s_flags |= MS_NOATIME; @@ -1676,6 +1990,15 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di, if (memcmp(di->i_signature, OCFS2_SUPER_BLOCK_SIGNATURE, strlen(OCFS2_SUPER_BLOCK_SIGNATURE)) == 0) { + /* We have to do a raw check of the feature here */ + if (le32_to_cpu(di->id2.i_super.s_feature_incompat) & + OCFS2_FEATURE_INCOMPAT_META_ECC) { + status = ocfs2_block_check_validate(bh->b_data, + bh->b_size, + &di->i_check); + if (status) + goto out; + } status = -EINVAL; if ((1 << le32_to_cpu(di->id2.i_super.s_blocksize_bits)) != blksz) { mlog(ML_ERROR, "found superblock with incorrect block " @@ -1717,6 +2040,7 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di, } } +out: mlog_exit(status); return status; } diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index cbd03dfdc7b..ed0a0cfd68d 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -84,7 +84,7 @@ static char *ocfs2_fast_symlink_getlink(struct inode *inode, mlog_entry_void(); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh); + status = ocfs2_read_inode_block(inode, bh); if (status < 0) { mlog_errno(status); link = ERR_PTR(status); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 74d7367ade1..e1d638af6ac 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -35,12 +35,14 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> +#include <linux/security.h> #define MLOG_MASK_PREFIX ML_XATTR #include <cluster/masklog.h> #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "file.h" #include "symlink.h" @@ -61,12 +63,32 @@ struct ocfs2_xattr_def_value_root { }; struct ocfs2_xattr_bucket { - struct buffer_head *bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; - struct ocfs2_xattr_header *xh; + /* The inode these xattrs are associated with */ + struct inode *bu_inode; + + /* The actual buffers that make up the bucket */ + struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; + + /* How many blocks make up one bucket for this filesystem */ + int bu_blocks; +}; + +struct ocfs2_xattr_set_ctxt { + handle_t *handle; + struct ocfs2_alloc_context *meta_ac; + struct ocfs2_alloc_context *data_ac; + struct ocfs2_cached_dealloc_ctxt dealloc; }; #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) #define OCFS2_XATTR_INLINE_SIZE 80 +#define OCFS2_XATTR_FREE_IN_IBODY (OCFS2_MIN_XATTR_INLINE_SIZE \ + - sizeof(struct ocfs2_xattr_header) \ + - sizeof(__u32)) +#define OCFS2_XATTR_FREE_IN_BLOCK(ptr) ((ptr)->i_sb->s_blocksize \ + - sizeof(struct ocfs2_xattr_block) \ + - sizeof(struct ocfs2_xattr_header) \ + - sizeof(__u32)) static struct ocfs2_xattr_def_value_root def_xv = { .xv.xr_list.l_count = cpu_to_le16(1), @@ -74,13 +96,25 @@ static struct ocfs2_xattr_def_value_root def_xv = { struct xattr_handler *ocfs2_xattr_handlers[] = { &ocfs2_xattr_user_handler, +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + &ocfs2_xattr_acl_access_handler, + &ocfs2_xattr_acl_default_handler, +#endif &ocfs2_xattr_trusted_handler, + &ocfs2_xattr_security_handler, NULL }; static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = { [OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler, +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + [OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS] + = &ocfs2_xattr_acl_access_handler, + [OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT] + = &ocfs2_xattr_acl_default_handler, +#endif [OCFS2_XATTR_INDEX_TRUSTED] = &ocfs2_xattr_trusted_handler, + [OCFS2_XATTR_INDEX_SECURITY] = &ocfs2_xattr_security_handler, }; struct ocfs2_xattr_info { @@ -98,7 +132,7 @@ struct ocfs2_xattr_search { */ struct buffer_head *xattr_bh; struct ocfs2_xattr_header *header; - struct ocfs2_xattr_bucket bucket; + struct ocfs2_xattr_bucket *bucket; void *base; void *end; struct ocfs2_xattr_entry *here; @@ -127,14 +161,20 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, size_t buffer_size); static int ocfs2_xattr_create_index_block(struct inode *inode, - struct ocfs2_xattr_search *xs); + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt); static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs); + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt); static int ocfs2_delete_xattr_index_block(struct inode *inode, struct buffer_head *xb_bh); +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, + u64 src_blk, u64 last_blk, u64 to_blk, + unsigned int start_bucket, + u32 *first_hash); static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb) { @@ -154,6 +194,216 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) return len / sizeof(struct ocfs2_xattr_entry); } +#define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr) +#define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data) +#define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0)) + +static struct ocfs2_xattr_bucket *ocfs2_xattr_bucket_new(struct inode *inode) +{ + struct ocfs2_xattr_bucket *bucket; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + BUG_ON(blks > OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET); + + bucket = kzalloc(sizeof(struct ocfs2_xattr_bucket), GFP_NOFS); + if (bucket) { + bucket->bu_inode = inode; + bucket->bu_blocks = blks; + } + + return bucket; +} + +static void ocfs2_xattr_bucket_relse(struct ocfs2_xattr_bucket *bucket) +{ + int i; + + for (i = 0; i < bucket->bu_blocks; i++) { + brelse(bucket->bu_bhs[i]); + bucket->bu_bhs[i] = NULL; + } +} + +static void ocfs2_xattr_bucket_free(struct ocfs2_xattr_bucket *bucket) +{ + if (bucket) { + ocfs2_xattr_bucket_relse(bucket); + bucket->bu_inode = NULL; + kfree(bucket); + } +} + +/* + * A bucket that has never been written to disk doesn't need to be + * read. We just need the buffer_heads. Don't call this for + * buckets that are already on disk. ocfs2_read_xattr_bucket() initializes + * them fully. + */ +static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket, + u64 xb_blkno) +{ + int i, rc = 0; + + for (i = 0; i < bucket->bu_blocks; i++) { + bucket->bu_bhs[i] = sb_getblk(bucket->bu_inode->i_sb, + xb_blkno + i); + if (!bucket->bu_bhs[i]) { + rc = -EIO; + mlog_errno(rc); + break; + } + + if (!ocfs2_buffer_uptodate(bucket->bu_inode, + bucket->bu_bhs[i])) + ocfs2_set_new_buffer_uptodate(bucket->bu_inode, + bucket->bu_bhs[i]); + } + + if (rc) + ocfs2_xattr_bucket_relse(bucket); + return rc; +} + +/* Read the xattr bucket at xb_blkno */ +static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket, + u64 xb_blkno) +{ + int rc; + + rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno, + bucket->bu_blocks, bucket->bu_bhs, 0, + NULL); + if (!rc) { + rc = ocfs2_validate_meta_ecc_bhs(bucket->bu_inode->i_sb, + bucket->bu_bhs, + bucket->bu_blocks, + &bucket_xh(bucket)->xh_check); + if (rc) + mlog_errno(rc); + } + + if (rc) + ocfs2_xattr_bucket_relse(bucket); + return rc; +} + +static int ocfs2_xattr_bucket_journal_access(handle_t *handle, + struct ocfs2_xattr_bucket *bucket, + int type) +{ + int i, rc = 0; + + for (i = 0; i < bucket->bu_blocks; i++) { + rc = ocfs2_journal_access(handle, bucket->bu_inode, + bucket->bu_bhs[i], type); + if (rc) { + mlog_errno(rc); + break; + } + } + + return rc; +} + +static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle, + struct ocfs2_xattr_bucket *bucket) +{ + int i; + + ocfs2_compute_meta_ecc_bhs(bucket->bu_inode->i_sb, + bucket->bu_bhs, bucket->bu_blocks, + &bucket_xh(bucket)->xh_check); + + for (i = 0; i < bucket->bu_blocks; i++) + ocfs2_journal_dirty(handle, bucket->bu_bhs[i]); +} + +static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest, + struct ocfs2_xattr_bucket *src) +{ + int i; + int blocksize = src->bu_inode->i_sb->s_blocksize; + + BUG_ON(dest->bu_blocks != src->bu_blocks); + BUG_ON(dest->bu_inode != src->bu_inode); + + for (i = 0; i < src->bu_blocks; i++) { + memcpy(bucket_block(dest, i), bucket_block(src, i), + blocksize); + } +} + +static int ocfs2_validate_xattr_block(struct super_block *sb, + struct buffer_head *bh) +{ + int rc; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)bh->b_data; + + mlog(0, "Validating xattr block %llu\n", + (unsigned long long)bh->b_blocknr); + + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &xb->xb_check); + if (rc) + return rc; + + /* + * Errors after here are fatal + */ + + if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { + ocfs2_error(sb, + "Extended attribute block #%llu has bad " + "signature %.*s", + (unsigned long long)bh->b_blocknr, 7, + xb->xb_signature); + return -EINVAL; + } + + if (le64_to_cpu(xb->xb_blkno) != bh->b_blocknr) { + ocfs2_error(sb, + "Extended attribute block #%llu has an " + "invalid xb_blkno of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(xb->xb_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(xb->xb_fs_generation) != OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Extended attribute block #%llu has an invalid " + "xb_fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(xb->xb_fs_generation)); + return -EINVAL; + } + + return 0; +} + +static int ocfs2_read_xattr_block(struct inode *inode, u64 xb_blkno, + struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, xb_blkno, &tmp, + ocfs2_validate_xattr_block); + + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; + + return rc; +} + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -200,54 +450,163 @@ static void ocfs2_xattr_hash_entry(struct inode *inode, return; } +static int ocfs2_xattr_entry_real_size(int name_len, size_t value_len) +{ + int size = 0; + + if (value_len <= OCFS2_XATTR_INLINE_SIZE) + size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(value_len); + else + size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; + size += sizeof(struct ocfs2_xattr_entry); + + return size; +} + +int ocfs2_calc_security_init(struct inode *dir, + struct ocfs2_security_xattr_info *si, + int *want_clusters, + int *xattr_credits, + struct ocfs2_alloc_context **xattr_ac) +{ + int ret = 0; + struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); + int s_size = ocfs2_xattr_entry_real_size(strlen(si->name), + si->value_len); + + /* + * The max space of security xattr taken inline is + * 256(name) + 80(value) + 16(entry) = 352 bytes, + * So reserve one metadata block for it is ok. + */ + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE || + s_size > OCFS2_XATTR_FREE_IN_IBODY) { + ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + *xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } + + /* reserve clusters for xattr value which will be set in B tree*/ + if (si->value_len > OCFS2_XATTR_INLINE_SIZE) { + int new_clusters = ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; + } + return ret; +} + +int ocfs2_calc_xattr_init(struct inode *dir, + struct buffer_head *dir_bh, + int mode, + struct ocfs2_security_xattr_info *si, + int *want_clusters, + int *xattr_credits, + struct ocfs2_alloc_context **xattr_ac) +{ + int ret = 0; + struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); + int s_size = 0, a_size = 0, acl_len = 0, new_clusters; + + if (si->enable) + s_size = ocfs2_xattr_entry_real_size(strlen(si->name), + si->value_len); + + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) { + acl_len = ocfs2_xattr_get_nolock(dir, dir_bh, + OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT, + "", NULL, 0); + if (acl_len > 0) { + a_size = ocfs2_xattr_entry_real_size(0, acl_len); + if (S_ISDIR(mode)) + a_size <<= 1; + } else if (acl_len != 0 && acl_len != -ENODATA) { + mlog_errno(ret); + return ret; + } + } + + if (!(s_size + a_size)) + return ret; + + /* + * The max space of security xattr taken inline is + * 256(name) + 80(value) + 16(entry) = 352 bytes, + * The max space of acl xattr taken inline is + * 80(value) + 16(entry) * 2(if directory) = 192 bytes, + * when blocksize = 512, may reserve one more cluser for + * xattr bucket, otherwise reserve one metadata block + * for them is ok. + */ + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE || + (s_size + a_size) > OCFS2_XATTR_FREE_IN_IBODY) { + ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + *xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } + + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE && + (s_size + a_size) > OCFS2_XATTR_FREE_IN_BLOCK(dir)) { + *want_clusters += 1; + *xattr_credits += ocfs2_blocks_per_xattr_bucket(dir->i_sb); + } + + /* + * reserve credits and clusters for xattrs which has large value + * and have to be set outside + */ + if (si->enable && si->value_len > OCFS2_XATTR_INLINE_SIZE) { + new_clusters = ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; + } + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL && + acl_len > OCFS2_XATTR_INLINE_SIZE) { + /* for directory, it has DEFAULT and ACCESS two types of acls */ + new_clusters = (S_ISDIR(mode) ? 2 : 1) * + ocfs2_clusters_for_bytes(dir->i_sb, acl_len); + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; + } + + return ret; +} + static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, - struct buffer_head *xattr_bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_buf *vb, + struct ocfs2_xattr_set_ctxt *ctxt) { int status = 0; - int restart_func = 0; - int credits = 0; - handle_t *handle = NULL; - struct ocfs2_alloc_context *data_ac = NULL; - struct ocfs2_alloc_context *meta_ac = NULL; + handle_t *handle = ctxt->handle; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); + u32 prev_clusters, logical_start = le32_to_cpu(vb->vb_xv->xr_clusters); struct ocfs2_extent_tree et; mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); - ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv); - -restart_all: - - status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, - &data_ac, &meta_ac); - if (status) { - mlog_errno(status); - goto leave; - } - - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, - clusters_to_add); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - status = PTR_ERR(handle); - handle = NULL; - mlog_errno(status); - goto leave; - } + ocfs2_init_xattr_value_extent_tree(&et, inode, vb); -restarted_transaction: - status = ocfs2_journal_access(handle, inode, xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; } - prev_clusters = le32_to_cpu(xv->xr_clusters); + prev_clusters = le32_to_cpu(vb->vb_xv->xr_clusters); status = ocfs2_add_clusters_in_btree(osb, inode, &logical_start, @@ -255,157 +614,84 @@ restarted_transaction: 0, &et, handle, - data_ac, - meta_ac, + ctxt->data_ac, + ctxt->meta_ac, &why); - if ((status < 0) && (status != -EAGAIN)) { - if (status != -ENOSPC) - mlog_errno(status); + if (status < 0) { + mlog_errno(status); goto leave; } - status = ocfs2_journal_dirty(handle, xattr_bh); + status = ocfs2_journal_dirty(handle, vb->vb_bh); if (status < 0) { mlog_errno(status); goto leave; } - clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters; + clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) - prev_clusters; - if (why != RESTART_NONE && clusters_to_add) { - if (why == RESTART_META) { - mlog(0, "restarting function.\n"); - restart_func = 1; - } else { - BUG_ON(why != RESTART_TRANS); - - mlog(0, "restarting transaction.\n"); - /* TODO: This can be more intelligent. */ - credits = ocfs2_calc_extend_credits(osb->sb, - et.et_root_el, - clusters_to_add); - status = ocfs2_extend_trans(handle, credits); - if (status < 0) { - /* handle still has to be committed at - * this point. */ - status = -ENOMEM; - mlog_errno(status); - goto leave; - } - goto restarted_transaction; - } - } + /* + * We should have already allocated enough space before the transaction, + * so no need to restart. + */ + BUG_ON(why != RESTART_NONE || clusters_to_add); leave: - if (handle) { - ocfs2_commit_trans(osb, handle); - handle = NULL; - } - if (data_ac) { - ocfs2_free_alloc_context(data_ac); - data_ac = NULL; - } - if (meta_ac) { - ocfs2_free_alloc_context(meta_ac); - meta_ac = NULL; - } - if ((!status) && restart_func) { - restart_func = 0; - goto restart_all; - } return status; } static int __ocfs2_remove_xattr_range(struct inode *inode, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_value_buf *vb, u32 cpos, u32 phys_cpos, u32 len, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_xattr_set_ctxt *ctxt) { int ret; u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct inode *tl_inode = osb->osb_tl_inode; - handle_t *handle; - struct ocfs2_alloc_context *meta_ac = NULL; + handle_t *handle = ctxt->handle; struct ocfs2_extent_tree et; - ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv); + ocfs2_init_xattr_value_extent_tree(&et, inode, vb); - ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - return ret; - } - - mutex_lock(&tl_inode->i_mutex); - - if (ocfs2_truncate_log_needs_flush(osb)) { - ret = __ocfs2_flush_truncate_log(osb); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - } - - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, - dealloc); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac, + &ctxt->dealloc); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } - le32_add_cpu(&xv->xr_clusters, -len); + le32_add_cpu(&vb->vb_xv->xr_clusters, -len); - ret = ocfs2_journal_dirty(handle, root_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } - ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); + ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len); if (ret) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(osb, handle); out: - mutex_unlock(&tl_inode->i_mutex); - - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - return ret; } static int ocfs2_xattr_shrink_size(struct inode *inode, u32 old_clusters, u32 new_clusters, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_buf *vb, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret = 0; u32 trunc_len, cpos, phys_cpos, alloc_size; u64 block; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_cached_dealloc_ctxt dealloc; - - ocfs2_init_dealloc_ctxt(&dealloc); if (old_clusters <= new_clusters) return 0; @@ -414,7 +700,8 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, trunc_len = old_clusters - new_clusters; while (trunc_len) { ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos, - &alloc_size, &xv->xr_list); + &alloc_size, + &vb->vb_xv->xr_list); if (ret) { mlog_errno(ret); goto out; @@ -423,9 +710,9 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, if (alloc_size > trunc_len) alloc_size = trunc_len; - ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos, + ret = __ocfs2_remove_xattr_range(inode, vb, cpos, phys_cpos, alloc_size, - &dealloc); + ctxt); if (ret) { mlog_errno(ret); goto out; @@ -439,20 +726,17 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, } out: - ocfs2_schedule_truncate_log_flush(osb, 1); - ocfs2_run_deallocs(osb, &dealloc); - return ret; } static int ocfs2_xattr_value_truncate(struct inode *inode, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv, - int len) + struct ocfs2_xattr_value_buf *vb, + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret; u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len); - u32 old_clusters = le32_to_cpu(xv->xr_clusters); + u32 old_clusters = le32_to_cpu(vb->vb_xv->xr_clusters); if (new_clusters == old_clusters) return 0; @@ -460,11 +744,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, if (new_clusters > old_clusters) ret = ocfs2_xattr_extend_allocation(inode, new_clusters - old_clusters, - root_bh, xv); + vb, ctxt); else ret = ocfs2_xattr_shrink_size(inode, old_clusters, new_clusters, - root_bh, xv); + vb, ctxt); return ret; } @@ -554,18 +838,14 @@ static int ocfs2_xattr_block_list(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); + ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc), + &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; } xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto cleanup; - } - if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { struct ocfs2_xattr_header *header = &xb->xb_attrs.xb_header; ret = ocfs2_xattr_list_entries(inode, header, @@ -575,7 +855,7 @@ static int ocfs2_xattr_block_list(struct inode *inode, ret = ocfs2_xattr_tree_list_index_block(inode, xt, buffer, buffer_size); } -cleanup: + brelse(blk_bh); return ret; @@ -685,7 +965,7 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); /* Copy ocfs2_xattr_value */ for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_block(inode, blkno, &bh, NULL); if (ret) { mlog_errno(ret); goto out; @@ -769,7 +1049,12 @@ static int ocfs2_xattr_block_get(struct inode *inode, size_t size; int ret = -ENODATA, name_offset, name_len, block_off, i; - memset(&xs->bucket, 0, sizeof(xs->bucket)); + xs->bucket = ocfs2_xattr_bucket_new(inode); + if (!xs->bucket) { + ret = -ENOMEM; + mlog_errno(ret); + goto cleanup; + } ret = ocfs2_xattr_block_find(inode, name_index, name, xs); if (ret) { @@ -795,11 +1080,11 @@ static int ocfs2_xattr_block_get(struct inode *inode, if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { ret = ocfs2_xattr_bucket_get_name_value(inode, - xs->bucket.xh, + bucket_xh(xs->bucket), i, &block_off, &name_offset); - xs->base = xs->bucket.bhs[block_off]->b_data; + xs->base = bucket_block(xs->bucket, block_off); } if (ocfs2_xattr_is_local(xs->here)) { memcpy(buffer, (void *)xs->base + @@ -817,21 +1102,15 @@ static int ocfs2_xattr_block_get(struct inode *inode, } ret = size; cleanup: - for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++) - brelse(xs->bucket.bhs[i]); - memset(&xs->bucket, 0, sizeof(xs->bucket)); + ocfs2_xattr_bucket_free(xs->bucket); brelse(xs->xattr_bh); xs->xattr_bh = NULL; return ret; } -/* ocfs2_xattr_get() - * - * Copy an extended attribute into the buffer provided. - * Buffer is NULL to compute the size of buffer required. - */ -static int ocfs2_xattr_get(struct inode *inode, +int ocfs2_xattr_get_nolock(struct inode *inode, + struct buffer_head *di_bh, int name_index, const char *name, void *buffer, @@ -839,7 +1118,6 @@ static int ocfs2_xattr_get(struct inode *inode, { int ret; struct ocfs2_dinode *di = NULL; - struct buffer_head *di_bh = NULL; struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_xattr_search xis = { .not_found = -ENODATA, @@ -854,11 +1132,6 @@ static int ocfs2_xattr_get(struct inode *inode, if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) ret = -ENODATA; - ret = ocfs2_inode_lock(inode, &di_bh, 0); - if (ret < 0) { - mlog_errno(ret); - return ret; - } xis.inode_bh = xbs.inode_bh = di_bh; di = (struct ocfs2_dinode *)di_bh->b_data; @@ -869,6 +1142,32 @@ static int ocfs2_xattr_get(struct inode *inode, ret = ocfs2_xattr_block_get(inode, name_index, name, buffer, buffer_size, &xbs); up_read(&oi->ip_xattr_sem); + + return ret; +} + +/* ocfs2_xattr_get() + * + * Copy an extended attribute into the buffer provided. + * Buffer is NULL to compute the size of buffer required. + */ +static int ocfs2_xattr_get(struct inode *inode, + int name_index, + const char *name, + void *buffer, + size_t buffer_size) +{ + int ret; + struct buffer_head *di_bh = NULL; + + ret = ocfs2_inode_lock(inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + ret = ocfs2_xattr_get_nolock(inode, di_bh, name_index, + name, buffer, buffer_size); + ocfs2_inode_unlock(inode, 0); brelse(di_bh); @@ -877,44 +1176,36 @@ static int ocfs2_xattr_get(struct inode *inode, } static int __ocfs2_xattr_set_value_outside(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_value_root *xv, const void *value, int value_len) { - int ret = 0, i, cp_len, credits; + int ret = 0, i, cp_len; u16 blocksize = inode->i_sb->s_blocksize; u32 p_cluster, num_clusters; u32 cpos = 0, bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len); u64 blkno; struct buffer_head *bh = NULL; - handle_t *handle; BUG_ON(clusters > le32_to_cpu(xv->xr_clusters)); - credits = clusters * bpc; - handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - while (cpos < clusters) { ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster, &num_clusters, &xv->xr_list); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_block(inode, blkno, &bh, NULL); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = ocfs2_journal_access(handle, @@ -923,7 +1214,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } cp_len = value_len > blocksize ? blocksize : value_len; @@ -937,7 +1228,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, ret = ocfs2_journal_dirty(handle, bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } brelse(bh); bh = NULL; @@ -951,8 +1242,6 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, } cpos += num_clusters; } -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: brelse(bh); @@ -960,28 +1249,22 @@ out: } static int ocfs2_xattr_cleanup(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_value_buf *vb, size_t offs) { - handle_t *handle = NULL; int ret = 0; size_t name_len = strlen(xi->name); void *val = xs->base + offs; size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } /* Decrease xattr count */ le16_add_cpu(&xs->header->xh_count, -1); @@ -989,35 +1272,27 @@ static int ocfs2_xattr_cleanup(struct inode *inode, memset((void *)xs->here, 0, sizeof(struct ocfs2_xattr_entry)); memset(val, 0, size); - ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: return ret; } static int ocfs2_xattr_update_entry(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_value_buf *vb, size_t offs) { - handle_t *handle = NULL; - int ret = 0; + int ret; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } xs->here->xe_name_offset = cpu_to_le16(offs); @@ -1028,11 +1303,9 @@ static int ocfs2_xattr_update_entry(struct inode *inode, ocfs2_xattr_set_local(xs->here, 0); ocfs2_xattr_hash_entry(inode, xs->header, xs->here); - ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: return ret; } @@ -1045,6 +1318,8 @@ out: static int ocfs2_xattr_set_value_outside(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt, + struct ocfs2_xattr_value_buf *vb, size_t offs) { size_t name_len = strlen(xi->name); @@ -1062,20 +1337,20 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, xv->xr_list.l_tree_depth = 0; xv->xr_list.l_count = cpu_to_le16(1); xv->xr_list.l_next_free_rec = 0; + vb->vb_xv = xv; - ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, - xi->value_len); + ret = ocfs2_xattr_value_truncate(inode, vb, xi->value_len, ctxt); if (ret < 0) { mlog_errno(ret); return ret; } - ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value, - xi->value_len); + ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, vb, offs); if (ret < 0) { mlog_errno(ret); return ret; } - ret = ocfs2_xattr_update_entry(inode, xi, xs, offs); + ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb->vb_xv, + xi->value, xi->value_len); if (ret < 0) mlog_errno(ret); @@ -1195,6 +1470,7 @@ static void ocfs2_xattr_set_entry_local(struct inode *inode, static int ocfs2_xattr_set_entry(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt, int flag) { struct ocfs2_xattr_entry *last; @@ -1202,7 +1478,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name); size_t size_l = 0; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; int free, i, ret; struct ocfs2_xattr_info xi_l = { .name_index = xi->name_index, @@ -1210,6 +1486,16 @@ static int ocfs2_xattr_set_entry(struct inode *inode, .value = xi->value, .value_len = xi->value_len, }; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = xs->xattr_bh, + .vb_access = ocfs2_journal_access_di, + }; + + if (!(flag & OCFS2_INLINE_XATTR_FL)) { + BUG_ON(xs->xattr_bh == xs->inode_bh); + vb.vb_access = ocfs2_journal_access_xb; + } else + BUG_ON(xs->xattr_bh != xs->inode_bh); /* Compute min_offs, last and free space. */ last = xs->header->xh_entries; @@ -1265,15 +1551,14 @@ static int ocfs2_xattr_set_entry(struct inode *inode, if (ocfs2_xattr_is_local(xs->here) && size == size_l) { /* Replace existing local xattr with tree root */ ret = ocfs2_xattr_set_value_outside(inode, xi, xs, - offs); + ctxt, &vb, offs); if (ret < 0) mlog_errno(ret); goto out; } else if (!ocfs2_xattr_is_local(xs->here)) { /* For existing xattr which has value outside */ - struct ocfs2_xattr_value_root *xv = NULL; - xv = (struct ocfs2_xattr_value_root *)(val + - OCFS2_XATTR_SIZE(name_len)); + vb.vb_xv = (struct ocfs2_xattr_value_root *) + (val + OCFS2_XATTR_SIZE(name_len)); if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { /* @@ -1282,27 +1567,30 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * then set new value with set_value_outside(). */ ret = ocfs2_xattr_value_truncate(inode, - xs->xattr_bh, - xv, - xi->value_len); + &vb, + xi->value_len, + ctxt); if (ret < 0) { mlog_errno(ret); goto out; } - ret = __ocfs2_xattr_set_value_outside(inode, - xv, - xi->value, - xi->value_len); + ret = ocfs2_xattr_update_entry(inode, + handle, + xi, + xs, + &vb, + offs); if (ret < 0) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_update_entry(inode, - xi, - xs, - offs); + ret = __ocfs2_xattr_set_value_outside(inode, + handle, + vb.vb_xv, + xi->value, + xi->value_len); if (ret < 0) mlog_errno(ret); goto out; @@ -1312,44 +1600,28 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * just trucate old value to zero. */ ret = ocfs2_xattr_value_truncate(inode, - xs->xattr_bh, - xv, - 0); + &vb, + 0, + ctxt); if (ret < 0) mlog_errno(ret); } } } - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_INODE_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - - ret = ocfs2_journal_access(handle, inode, xs->inode_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } if (!(flag & OCFS2_INLINE_XATTR_FL)) { - /* set extended attribute in external block. */ - ret = ocfs2_extend_trans(handle, - OCFS2_INODE_UPDATE_CREDITS + - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb.vb_access(handle, inode, vb.vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } } @@ -1363,7 +1635,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, ret = ocfs2_journal_dirty(handle, xs->xattr_bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } } @@ -1391,25 +1663,19 @@ static int ocfs2_xattr_set_entry(struct inode *inode, oi->ip_dyn_features |= flag; di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features); spin_unlock(&oi->ip_lock); - /* Update inode ctime */ - inode->i_ctime = CURRENT_TIME; - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); ret = ocfs2_journal_dirty(handle, xs->inode_bh); if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); - if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) { /* * Set value outside in B tree. * This is the second step for value size > INLINE_SIZE. */ size_t offs = le16_to_cpu(xs->here->xe_name_offset); - ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs); + ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, + &vb, offs); if (ret < 0) { int ret2; @@ -1418,41 +1684,56 @@ out_commit: * If set value outside failed, we have to clean * the junk tree root we have already set in local. */ - ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs); + ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle, + xi, xs, &vb, offs); if (ret2 < 0) mlog_errno(ret2); } } out: return ret; - } static int ocfs2_remove_value_outside(struct inode*inode, - struct buffer_head *bh, + struct ocfs2_xattr_value_buf *vb, struct ocfs2_xattr_header *header) { int ret = 0, i; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, }; + + ocfs2_init_dealloc_ctxt(&ctxt.dealloc); + + ctxt.handle = ocfs2_start_trans(osb, + ocfs2_remove_extent_credits(osb->sb)); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + goto out; + } for (i = 0; i < le16_to_cpu(header->xh_count); i++) { struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; if (!ocfs2_xattr_is_local(entry)) { - struct ocfs2_xattr_value_root *xv; void *val; val = (void *)header + le16_to_cpu(entry->xe_name_offset); - xv = (struct ocfs2_xattr_value_root *) + vb->vb_xv = (struct ocfs2_xattr_value_root *) (val + OCFS2_XATTR_SIZE(entry->xe_name_len)); - ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0); + ret = ocfs2_xattr_value_truncate(inode, vb, 0, &ctxt); if (ret < 0) { mlog_errno(ret); - return ret; + break; } } } + ocfs2_commit_trans(osb, ctxt.handle); + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); +out: return ret; } @@ -1463,12 +1744,16 @@ static int ocfs2_xattr_ibody_remove(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_xattr_header *header; int ret; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = di_bh, + .vb_access = ocfs2_journal_access_di, + }; header = (struct ocfs2_xattr_header *) ((void *)di + inode->i_sb->s_blocksize - le16_to_cpu(di->i_xattr_inline_size)); - ret = ocfs2_remove_value_outside(inode, di_bh, header); + ret = ocfs2_remove_value_outside(inode, &vb, header); return ret; } @@ -1478,11 +1763,15 @@ static int ocfs2_xattr_block_remove(struct inode *inode, { struct ocfs2_xattr_block *xb; int ret = 0; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = blk_bh, + .vb_access = ocfs2_journal_access_xb, + }; xb = (struct ocfs2_xattr_block *)blk_bh->b_data; if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header); - ret = ocfs2_remove_value_outside(inode, blk_bh, header); + ret = ocfs2_remove_value_outside(inode, &vb, header); } else ret = ocfs2_delete_xattr_index_block(inode, blk_bh); @@ -1502,24 +1791,19 @@ static int ocfs2_xattr_free_block(struct inode *inode, u64 blk, bg_blkno; u16 bit; - ret = ocfs2_read_block(inode, block, &blk_bh); + ret = ocfs2_read_xattr_block(inode, block, &blk_bh); if (ret < 0) { mlog_errno(ret); goto out; } - xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto out; - } - ret = ocfs2_xattr_block_remove(inode, blk_bh); if (ret < 0) { mlog_errno(ret); goto out; } + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; blk = le64_to_cpu(xb->xb_blkno); bit = le16_to_cpu(xb->xb_suballoc_bit); bg_blkno = ocfs2_which_suballoc_group(blk, bit); @@ -1606,8 +1890,8 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -1714,7 +1998,8 @@ static int ocfs2_xattr_ibody_find(struct inode *inode, */ static int ocfs2_xattr_ibody_set(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; @@ -1731,7 +2016,7 @@ static int ocfs2_xattr_ibody_set(struct inode *inode, } } - ret = ocfs2_xattr_set_entry(inode, xi, xs, + ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt, (OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL)); out: up_write(&oi->ip_alloc_sem); @@ -1758,19 +2043,15 @@ static int ocfs2_xattr_block_find(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); + ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc), + &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; } - xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto cleanup; - } - xs->xattr_bh = blk_bh; + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { xs->header = &xb->xb_attrs.xb_header; @@ -1804,13 +2085,13 @@ cleanup: */ static int ocfs2_xattr_block_set(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct buffer_head *new_bh = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; - struct ocfs2_alloc_context *meta_ac = NULL; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; struct ocfs2_xattr_block *xblk = NULL; u16 suballoc_bit_start; u32 num_got; @@ -1818,45 +2099,29 @@ static int ocfs2_xattr_block_set(struct inode *inode, int ret; if (!xs->xattr_bh) { - /* - * Alloc one external block for extended attribute - * outside of inode. - */ - ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac); + ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); - goto out; - } - handle = ocfs2_start_trans(osb, - OCFS2_XATTR_BLOCK_CREATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - ret = ocfs2_journal_access(handle, inode, xs->inode_bh, - OCFS2_JOURNAL_ACCESS_CREATE); - if (ret < 0) { - mlog_errno(ret); - goto out_commit; + goto end; } - ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1, + ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1, &suballoc_bit_start, &num_got, &first_blkno); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } new_bh = sb_getblk(inode->i_sb, first_blkno); ocfs2_set_new_buffer_uptodate(inode, new_bh); - ret = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_xb(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } /* Initialize ocfs2_xattr_block */ @@ -1874,44 +2139,555 @@ static int ocfs2_xattr_block_set(struct inode *inode, xs->end = (void *)xblk + inode->i_sb->s_blocksize; xs->here = xs->header->xh_entries; - ret = ocfs2_journal_dirty(handle, new_bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } di->i_xattr_loc = cpu_to_le64(first_blkno); - ret = ocfs2_journal_dirty(handle, xs->inode_bh); - if (ret < 0) - mlog_errno(ret); -out_commit: - ocfs2_commit_trans(osb, handle); -out: - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - if (ret < 0) - return ret; + ocfs2_journal_dirty(handle, xs->inode_bh); } else xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) { /* Set extended attribute into external block */ - ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL); + ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt, + OCFS2_HAS_XATTR_FL); if (!ret || ret != -ENOSPC) goto end; - ret = ocfs2_xattr_create_index_block(inode, xs); + ret = ocfs2_xattr_create_index_block(inode, xs, ctxt); if (ret) goto end; } - ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs); + ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt); end: return ret; } +/* Check whether the new xattr can be inserted into the inode. */ +static int ocfs2_xattr_can_be_in_inode(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + u64 value_size; + struct ocfs2_xattr_entry *last; + int free, i; + size_t min_offs = xs->end - xs->base; + + if (!xs->header) + return 0; + + last = xs->header->xh_entries; + + for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + size_t offs = le16_to_cpu(last->xe_name_offset); + if (offs < min_offs) + min_offs = offs; + last += 1; + } + + free = min_offs - ((void *)last - xs->base) - sizeof(__u32); + if (free < 0) + return 0; + + BUG_ON(!xs->not_found); + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + value_size = OCFS2_XATTR_ROOT_SIZE; + else + value_size = OCFS2_XATTR_SIZE(xi->value_len); + + if (free >= sizeof(struct ocfs2_xattr_entry) + + OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size) + return 1; + + return 0; +} + +static int ocfs2_calc_xattr_set_need(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + int *clusters_need, + int *meta_need, + int *credits_need) +{ + int ret = 0, old_in_xb = 0; + int clusters_add = 0, meta_add = 0, credits = 0; + struct buffer_head *bh = NULL; + struct ocfs2_xattr_block *xb = NULL; + struct ocfs2_xattr_entry *xe = NULL; + struct ocfs2_xattr_value_root *xv = NULL; + char *base = NULL; + int name_offset, name_len = 0; + u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + xi->value_len); + u64 value_size; + + /* + * Calculate the clusters we need to write. + * No matter whether we replace an old one or add a new one, + * we need this for writing. + */ + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + credits += new_clusters * + ocfs2_clusters_to_blocks(inode->i_sb, 1); + + if (xis->not_found && xbs->not_found) { + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + clusters_add += new_clusters; + credits += ocfs2_calc_extend_credits(inode->i_sb, + &def_xv.xv.xr_list, + new_clusters); + } + + goto meta_guess; + } + + if (!xis->not_found) { + xe = xis->here; + name_offset = le16_to_cpu(xe->xe_name_offset); + name_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + base = xis->base; + credits += OCFS2_INODE_UPDATE_CREDITS; + } else { + int i, block_off = 0; + xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; + xe = xbs->here; + name_offset = le16_to_cpu(xe->xe_name_offset); + name_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + i = xbs->here - xbs->header->xh_entries; + old_in_xb = 1; + + if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { + ret = ocfs2_xattr_bucket_get_name_value(inode, + bucket_xh(xbs->bucket), + i, &block_off, + &name_offset); + base = bucket_block(xbs->bucket, block_off); + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + } else { + base = xbs->base; + credits += OCFS2_XATTR_BLOCK_UPDATE_CREDITS; + } + } + + /* + * delete a xattr doesn't need metadata and cluster allocation. + * so just calculate the credits and return. + * + * The credits for removing the value tree will be extended + * by ocfs2_remove_extent itself. + */ + if (!xi->value) { + if (!ocfs2_xattr_is_local(xe)) + credits += ocfs2_remove_extent_credits(inode->i_sb); + + goto out; + } + + /* do cluster allocation guess first. */ + value_size = le64_to_cpu(xe->xe_value_size); + + if (old_in_xb) { + /* + * In xattr set, we always try to set the xe in inode first, + * so if it can be inserted into inode successfully, the old + * one will be removed from the xattr block, and this xattr + * will be inserted into inode as a new xattr in inode. + */ + if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) { + clusters_add += new_clusters; + credits += ocfs2_remove_extent_credits(inode->i_sb) + + OCFS2_INODE_UPDATE_CREDITS; + if (!ocfs2_xattr_is_local(xe)) + credits += ocfs2_calc_extend_credits( + inode->i_sb, + &def_xv.xv.xr_list, + new_clusters); + goto out; + } + } + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + /* the new values will be stored outside. */ + u32 old_clusters = 0; + + if (!ocfs2_xattr_is_local(xe)) { + old_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + value_size); + xv = (struct ocfs2_xattr_value_root *) + (base + name_offset + name_len); + value_size = OCFS2_XATTR_ROOT_SIZE; + } else + xv = &def_xv.xv; + + if (old_clusters >= new_clusters) { + credits += ocfs2_remove_extent_credits(inode->i_sb); + goto out; + } else { + meta_add += ocfs2_extend_meta_needed(&xv->xr_list); + clusters_add += new_clusters - old_clusters; + credits += ocfs2_calc_extend_credits(inode->i_sb, + &xv->xr_list, + new_clusters - + old_clusters); + if (value_size >= OCFS2_XATTR_ROOT_SIZE) + goto out; + } + } else { + /* + * Now the new value will be stored inside. So if the new + * value is smaller than the size of value root or the old + * value, we don't need any allocation, otherwise we have + * to guess metadata allocation. + */ + if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) || + (!ocfs2_xattr_is_local(xe) && + OCFS2_XATTR_ROOT_SIZE >= xi->value_len)) + goto out; + } + +meta_guess: + /* calculate metadata allocation. */ + if (di->i_xattr_loc) { + if (!xbs->xattr_bh) { + ret = ocfs2_read_xattr_block(inode, + le64_to_cpu(di->i_xattr_loc), + &bh); + if (ret) { + mlog_errno(ret); + goto out; + } + + xb = (struct ocfs2_xattr_block *)bh->b_data; + } else + xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; + + /* + * If there is already an xattr tree, good, we can calculate + * like other b-trees. Otherwise we may have the chance of + * create a tree, the credit calculation is borrowed from + * ocfs2_calc_extend_credits with root_el = NULL. And the + * new tree will be cluster based, so no meta is needed. + */ + if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { + struct ocfs2_extent_list *el = + &xb->xb_attrs.xb_root.xt_list; + meta_add += ocfs2_extend_meta_needed(el); + credits += ocfs2_calc_extend_credits(inode->i_sb, + el, 1); + } else + credits += OCFS2_SUBALLOC_ALLOC + 1; + + /* + * This cluster will be used either for new bucket or for + * new xattr block. + * If the cluster size is the same as the bucket size, one + * more is needed since we may need to extend the bucket + * also. + */ + clusters_add += 1; + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + if (OCFS2_XATTR_BUCKET_SIZE == + OCFS2_SB(inode->i_sb)->s_clustersize) { + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + clusters_add += 1; + } + } else { + meta_add += 1; + credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } +out: + if (clusters_need) + *clusters_need = clusters_add; + if (meta_need) + *meta_need = meta_add; + if (credits_need) + *credits_need = credits; + brelse(bh); + return ret; +} + +static int ocfs2_init_xattr_set_ctxt(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + struct ocfs2_xattr_set_ctxt *ctxt, + int *credits) +{ + int clusters_add, meta_add, ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + memset(ctxt, 0, sizeof(struct ocfs2_xattr_set_ctxt)); + + ocfs2_init_dealloc_ctxt(&ctxt->dealloc); + + ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs, + &clusters_add, &meta_add, credits); + if (ret) { + mlog_errno(ret); + return ret; + } + + mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, " + "credits = %d\n", xi->name, meta_add, clusters_add, *credits); + + if (meta_add) { + ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add, + &ctxt->meta_ac); + if (ret) { + mlog_errno(ret); + goto out; + } + } + + if (clusters_add) { + ret = ocfs2_reserve_clusters(osb, clusters_add, &ctxt->data_ac); + if (ret) + mlog_errno(ret); + } +out: + if (ret) { + if (ctxt->meta_ac) { + ocfs2_free_alloc_context(ctxt->meta_ac); + ctxt->meta_ac = NULL; + } + + /* + * We cannot have an error and a non null ctxt->data_ac. + */ + } + + return ret; +} + +static int __ocfs2_xattr_set_handle(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + struct ocfs2_xattr_set_ctxt *ctxt) +{ + int ret = 0, credits, old_found; + + if (!xi->value) { + /* Remove existing extended attribute */ + if (!xis->not_found) + ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt); + else if (!xbs->not_found) + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + } else { + /* We always try to set extended attribute into inode first*/ + ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt); + if (!ret && !xbs->not_found) { + /* + * If succeed and that extended attribute existing in + * external block, then we will remove it. + */ + xi->value = NULL; + xi->value_len = 0; + + old_found = xis->not_found; + xis->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + xis->not_found = old_found; + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + } else if (ret == -ENOSPC) { + if (di->i_xattr_loc && !xbs->xattr_bh) { + ret = ocfs2_xattr_block_find(inode, + xi->name_index, + xi->name, xbs); + if (ret) + goto out; + + old_found = xis->not_found; + xis->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + xis->not_found = old_found; + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + } + /* + * If no space in inode, we will set extended attribute + * into external block. + */ + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + if (ret) + goto out; + if (!xis->not_found) { + /* + * If succeed and that extended attribute + * existing in inode, we will remove it. + */ + xi->value = NULL; + xi->value_len = 0; + xbs->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_xattr_ibody_set(inode, xi, + xis, ctxt); + } + } + } + + if (!ret) { + /* Update inode ctime. */ + ret = ocfs2_journal_access(ctxt->handle, inode, xis->inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + inode->i_ctime = CURRENT_TIME; + di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + ocfs2_journal_dirty(ctxt->handle, xis->inode_bh); + } +out: + return ret; +} + +/* + * This function only called duing creating inode + * for init security/acl xattrs of the new inode. + * All transanction credits have been reserved in mknod. + */ +int ocfs2_xattr_set_handle(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + int name_index, + const char *name, + const void *value, + size_t value_len, + int flags, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + struct ocfs2_dinode *di; + int ret; + + struct ocfs2_xattr_info xi = { + .name_index = name_index, + .name = name, + .value = value, + .value_len = value_len, + }; + + struct ocfs2_xattr_search xis = { + .not_found = -ENODATA, + }; + + struct ocfs2_xattr_search xbs = { + .not_found = -ENODATA, + }; + + struct ocfs2_xattr_set_ctxt ctxt = { + .handle = handle, + .meta_ac = meta_ac, + .data_ac = data_ac, + }; + + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) + return -EOPNOTSUPP; + + /* + * In extreme situation, may need xattr bucket when + * block size is too small. And we have already reserved + * the credits for bucket in mknod. + */ + if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) { + xbs.bucket = ocfs2_xattr_bucket_new(inode); + if (!xbs.bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } + } + + xis.inode_bh = xbs.inode_bh = di_bh; + di = (struct ocfs2_dinode *)di_bh->b_data; + + down_write(&OCFS2_I(inode)->ip_xattr_sem); + + ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis); + if (ret) + goto cleanup; + if (xis.not_found) { + ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs); + if (ret) + goto cleanup; + } + + ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt); + +cleanup: + up_write(&OCFS2_I(inode)->ip_xattr_sem); + brelse(xbs.xattr_bh); + ocfs2_xattr_bucket_free(xbs.bucket); + + return ret; +} + /* * ocfs2_xattr_set() * @@ -1928,8 +2704,10 @@ int ocfs2_xattr_set(struct inode *inode, { struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; - int ret; - u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int ret, credits; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; + struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, }; struct ocfs2_xattr_info xi = { .name_index = name_index, @@ -1949,10 +2727,20 @@ int ocfs2_xattr_set(struct inode *inode, if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) return -EOPNOTSUPP; + /* + * Only xbs will be used on indexed trees. xis doesn't need a + * bucket. + */ + xbs.bucket = ocfs2_xattr_bucket_new(inode); + if (!xbs.bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } + ret = ocfs2_inode_lock(inode, &di_bh, 1); if (ret < 0) { mlog_errno(ret); - return ret; + goto cleanup_nolock; } xis.inode_bh = xbs.inode_bh = di_bh; di = (struct ocfs2_dinode *)di_bh->b_data; @@ -1984,55 +2772,53 @@ int ocfs2_xattr_set(struct inode *inode, goto cleanup; } - if (!value) { - /* Remove existing extended attribute */ - if (!xis.not_found) - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); - else if (!xbs.not_found) - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); - } else { - /* We always try to set extended attribute into inode first*/ - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); - if (!ret && !xbs.not_found) { - /* - * If succeed and that extended attribute existing in - * external block, then we will remove it. - */ - xi.value = NULL; - xi.value_len = 0; - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); - } else if (ret == -ENOSPC) { - if (di->i_xattr_loc && !xbs.xattr_bh) { - ret = ocfs2_xattr_block_find(inode, name_index, - name, &xbs); - if (ret) - goto cleanup; - } - /* - * If no space in inode, we will set extended attribute - * into external block. - */ - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); - if (ret) - goto cleanup; - if (!xis.not_found) { - /* - * If succeed and that extended attribute - * existing in inode, we will remove it. - */ - xi.value = NULL; - xi.value_len = 0; - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); - } + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mutex_unlock(&tl_inode->i_mutex); + mlog_errno(ret); + goto cleanup; } } + mutex_unlock(&tl_inode->i_mutex); + + ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, + &xbs, &ctxt, &credits); + if (ret) { + mlog_errno(ret); + goto cleanup; + } + + /* we need to update inode's ctime field, so add credit for it. */ + credits += OCFS2_INODE_UPDATE_CREDITS; + ctxt.handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + goto cleanup; + } + + ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt); + + ocfs2_commit_trans(osb, ctxt.handle); + + if (ctxt.data_ac) + ocfs2_free_alloc_context(ctxt.data_ac); + if (ctxt.meta_ac) + ocfs2_free_alloc_context(ctxt.meta_ac); + if (ocfs2_dealloc_has_cluster(&ctxt.dealloc)) + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); cleanup: up_write(&OCFS2_I(inode)->ip_xattr_sem); ocfs2_inode_unlock(inode, 1); +cleanup_nolock: brelse(di_bh); brelse(xbs.xattr_bh); - for (i = 0; i < blk_per_bucket; i++) - brelse(xbs.bucket.bhs[i]); + ocfs2_xattr_bucket_free(xbs.bucket); return ret; } @@ -2107,7 +2893,7 @@ typedef int (xattr_bucket_func)(struct inode *inode, void *para); static int ocfs2_find_xe_in_bucket(struct inode *inode, - struct buffer_head *header_bh, + struct ocfs2_xattr_bucket *bucket, int name_index, const char *name, u32 name_hash, @@ -2115,11 +2901,9 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, int *found) { int i, ret = 0, cmp = 1, block_off, new_offset; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); size_t name_len = strlen(name); struct ocfs2_xattr_entry *xe = NULL; - struct buffer_head *name_bh = NULL; char *xe_name; /* @@ -2150,19 +2934,9 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, break; } - ret = ocfs2_read_block(inode, header_bh->b_blocknr + block_off, - &name_bh); - if (ret) { - mlog_errno(ret); - break; - } - xe_name = name_bh->b_data + new_offset; - cmp = memcmp(name, xe_name, name_len); - brelse(name_bh); - name_bh = NULL; - - if (cmp == 0) { + xe_name = bucket_block(bucket, block_off) + new_offset; + if (!memcmp(name, xe_name, name_len)) { *xe_index = i; *found = 1; ret = 0; @@ -2192,39 +2966,42 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, struct ocfs2_xattr_search *xs) { int ret, found = 0; - struct buffer_head *bh = NULL; - struct buffer_head *lower_bh = NULL; struct ocfs2_xattr_header *xh = NULL; struct ocfs2_xattr_entry *xe = NULL; u16 index = 0; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int low_bucket = 0, bucket, high_bucket; + struct ocfs2_xattr_bucket *search; u32 last_hash; - u64 blkno; + u64 blkno, lower_blkno = 0; - ret = ocfs2_read_block(inode, p_blkno, &bh); + search = ocfs2_xattr_bucket_new(inode); + if (!search) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(search, p_blkno); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; + xh = bucket_xh(search); high_bucket = le16_to_cpu(xh->xh_num_buckets) - 1; - while (low_bucket <= high_bucket) { - brelse(bh); - bh = NULL; - bucket = (low_bucket + high_bucket) / 2; + ocfs2_xattr_bucket_relse(search); + bucket = (low_bucket + high_bucket) / 2; blkno = p_blkno + bucket * blk_per_bucket; - - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_xattr_bucket(search, blkno); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; + xh = bucket_xh(search); xe = &xh->xh_entries[0]; if (name_hash < le32_to_cpu(xe->xe_name_hash)) { high_bucket = bucket - 1; @@ -2241,10 +3018,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, last_hash = le32_to_cpu(xe->xe_name_hash); - /* record lower_bh which may be the insert place. */ - brelse(lower_bh); - lower_bh = bh; - bh = NULL; + /* record lower_blkno which may be the insert place. */ + lower_blkno = blkno; if (name_hash > le32_to_cpu(xe->xe_name_hash)) { low_bucket = bucket + 1; @@ -2252,7 +3027,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, } /* the searched xattr should reside in this bucket if exists. */ - ret = ocfs2_find_xe_in_bucket(inode, lower_bh, + ret = ocfs2_find_xe_in_bucket(inode, search, name_index, name, name_hash, &index, &found); if (ret) { @@ -2267,46 +3042,29 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * When the xattr's hash value is in the gap of 2 buckets, we will * always set it to the previous bucket. */ - if (!lower_bh) { - /* - * We can't find any bucket whose first name_hash is less - * than the find name_hash. - */ - BUG_ON(bh->b_blocknr != p_blkno); - lower_bh = bh; - bh = NULL; + if (!lower_blkno) + lower_blkno = p_blkno; + + /* This should be in cache - we just read it during the search */ + ret = ocfs2_read_xattr_bucket(xs->bucket, lower_blkno); + if (ret) { + mlog_errno(ret); + goto out; } - xs->bucket.bhs[0] = lower_bh; - xs->bucket.xh = (struct ocfs2_xattr_header *) - xs->bucket.bhs[0]->b_data; - lower_bh = NULL; - xs->header = xs->bucket.xh; - xs->base = xs->bucket.bhs[0]->b_data; + xs->header = bucket_xh(xs->bucket); + xs->base = bucket_block(xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; if (found) { - /* - * If we have found the xattr enty, read all the blocks in - * this bucket. - */ - ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], - 0); - if (ret) { - mlog_errno(ret); - goto out; - } - xs->here = &xs->header->xh_entries[index]; mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, index); + (unsigned long long)bucket_blkno(xs->bucket), index); } else ret = -ENODATA; out: - brelse(bh); - brelse(lower_bh); + ocfs2_xattr_bucket_free(search); return ret; } @@ -2357,53 +3115,50 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, xattr_bucket_func *func, void *para) { - int i, j, ret = 0; - int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int i, ret = 0; u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)); u32 num_buckets = clusters * bpc; - struct ocfs2_xattr_bucket bucket; + struct ocfs2_xattr_bucket *bucket; - memset(&bucket, 0, sizeof(bucket)); + bucket = ocfs2_xattr_bucket_new(inode); + if (!bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n", clusters, (unsigned long long)blkno); - for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { - ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, - bucket.bhs, 0); + for (i = 0; i < num_buckets; i++, blkno += bucket->bu_blocks) { + ret = ocfs2_read_xattr_bucket(bucket, blkno); if (ret) { mlog_errno(ret); - goto out; + break; } - bucket.xh = (struct ocfs2_xattr_header *)bucket.bhs[0]->b_data; /* * The real bucket num in this series of blocks is stored * in the 1st bucket. */ if (i == 0) - num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets); + num_buckets = le16_to_cpu(bucket_xh(bucket)->xh_num_buckets); mlog(0, "iterating xattr bucket %llu, first hash %u\n", (unsigned long long)blkno, - le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash)); + le32_to_cpu(bucket_xh(bucket)->xh_entries[0].xe_name_hash)); if (func) { - ret = func(inode, &bucket, para); - if (ret) { + ret = func(inode, bucket, para); + if (ret) mlog_errno(ret); - break; - } + /* Fall through to bucket_relse() */ } - for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bhs[j]); - memset(&bucket, 0, sizeof(bucket)); + ocfs2_xattr_bucket_relse(bucket); + if (ret) + break; } -out: - for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bhs[j]); - + ocfs2_xattr_bucket_free(bucket); return ret; } @@ -2441,21 +3196,21 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, int i, block_off, new_offset; const char *prefix, *name; - for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) { - struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i]; + for (i = 0 ; i < le16_to_cpu(bucket_xh(bucket)->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &bucket_xh(bucket)->xh_entries[i]; type = ocfs2_xattr_get_type(entry); prefix = ocfs2_xattr_prefix(type); if (prefix) { ret = ocfs2_xattr_bucket_get_name_value(inode, - bucket->xh, + bucket_xh(bucket), i, &block_off, &new_offset); if (ret) break; - name = (const char *)bucket->bhs[block_off]->b_data + + name = (const char *)bucket_block(bucket, block_off) + new_offset; ret = ocfs2_xattr_list_entry(xl->buffer, xl->buffer_size, @@ -2540,32 +3295,34 @@ static void swap_xe(void *a, void *b, int size) /* * When the ocfs2_xattr_block is filled up, new bucket will be created * and all the xattr entries will be moved to the new bucket. + * The header goes at the start of the bucket, and the names+values are + * filled from the end. This is why *target starts as the last buffer. * Note: we need to sort the entries since they are not saved in order * in the ocfs2_xattr_block. */ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, struct buffer_head *xb_bh, - struct buffer_head *xh_bh, - struct buffer_head *data_bh) + struct ocfs2_xattr_bucket *bucket) { int i, blocksize = inode->i_sb->s_blocksize; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 offset, size, off_change; struct ocfs2_xattr_entry *xe; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_header *xb_xh = &xb->xb_attrs.xb_header; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)xh_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u16 count = le16_to_cpu(xb_xh->xh_count); - char *target = xh_bh->b_data, *src = xb_bh->b_data; + char *src = xb_bh->b_data; + char *target = bucket_block(bucket, blks - 1); mlog(0, "cp xattr from block %llu to bucket %llu\n", (unsigned long long)xb_bh->b_blocknr, - (unsigned long long)xh_bh->b_blocknr); + (unsigned long long)bucket_blkno(bucket)); + + for (i = 0; i < blks; i++) + memset(bucket_block(bucket, i), 0, blocksize); - memset(xh_bh->b_data, 0, blocksize); - if (data_bh) - memset(data_bh->b_data, 0, blocksize); /* * Since the xe_name_offset is based on ocfs2_xattr_header, * there is a offset change corresponding to the change of @@ -2577,8 +3334,6 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, size = blocksize - offset; /* copy all the names and values. */ - if (data_bh) - target = data_bh->b_data; memcpy(target + offset, src + offset, size); /* Init new header now. */ @@ -2588,7 +3343,7 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE - size); /* copy all the entries. */ - target = xh_bh->b_data; + target = bucket_block(bucket, 0); offset = offsetof(struct ocfs2_xattr_header, xh_entries); size = count * sizeof(struct ocfs2_xattr_entry); memcpy(target + offset, (char *)xb_xh + offset, size); @@ -2614,73 +3369,47 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, * While if the entry is in index b-tree, "bucket" indicates the * real place of the xattr. */ -static int ocfs2_xattr_update_xattr_search(struct inode *inode, - struct ocfs2_xattr_search *xs, - struct buffer_head *old_bh, - struct buffer_head *new_bh) +static void ocfs2_xattr_update_xattr_search(struct inode *inode, + struct ocfs2_xattr_search *xs, + struct buffer_head *old_bh) { - int ret = 0; char *buf = old_bh->b_data; struct ocfs2_xattr_block *old_xb = (struct ocfs2_xattr_block *)buf; struct ocfs2_xattr_header *old_xh = &old_xb->xb_attrs.xb_header; - int i, blocksize = inode->i_sb->s_blocksize; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - - xs->bucket.bhs[0] = new_bh; - get_bh(new_bh); - xs->bucket.xh = (struct ocfs2_xattr_header *)xs->bucket.bhs[0]->b_data; - xs->header = xs->bucket.xh; + int i; - xs->base = new_bh->b_data; + xs->header = bucket_xh(xs->bucket); + xs->base = bucket_block(xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; - if (!xs->not_found) { - if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { - ret = ocfs2_read_blocks(inode, - xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], - 0); - if (ret) { - mlog_errno(ret); - return ret; - } - - } - i = xs->here - old_xh->xh_entries; - xs->here = &xs->header->xh_entries[i]; - } + if (xs->not_found) + return; - return ret; + i = xs->here - old_xh->xh_entries; + xs->here = &xs->header->xh_entries[i]; } static int ocfs2_xattr_create_index_block(struct inode *inode, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { - int ret, credits = OCFS2_SUBALLOC_ALLOC; + int ret; u32 bit_off, len; u64 blkno; - handle_t *handle; + handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(inode); - struct ocfs2_alloc_context *data_ac; - struct buffer_head *xh_bh = NULL, *data_bh = NULL; struct buffer_head *xb_bh = xs->xattr_bh; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_tree_root *xr; u16 xb_flags = le16_to_cpu(xb->xb_flags); - u16 bpb = ocfs2_blocks_per_xattr_bucket(inode->i_sb); mlog(0, "create xattr index block for %llu\n", (unsigned long long)xb_bh->b_blocknr); BUG_ON(xb_flags & OCFS2_XATTR_INDEXED); - - ret = ocfs2_reserve_clusters(osb, 1, &data_ac); - if (ret) { - mlog_errno(ret); - goto out; - } + BUG_ON(!xs->bucket); /* * XXX: @@ -2689,29 +3418,18 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, */ down_write(&oi->ip_alloc_sem); - /* - * 3 more credits, one for xattr block update, one for the 1st block - * of the new xattr bucket and one for the value/data. - */ - credits += 3; - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out_sem; - } - - ret = ocfs2_journal_access(handle, inode, xb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, xb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } - ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len); + ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, + 1, 1, &bit_off, &len); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } /* @@ -2724,51 +3442,23 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, mlog(0, "allocate 1 cluster from %llu to xattr block\n", (unsigned long long)blkno); - xh_bh = sb_getblk(inode->i_sb, blkno); - if (!xh_bh) { - ret = -EIO; + ret = ocfs2_init_xattr_bucket(xs->bucket, blkno); + if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } - ocfs2_set_new_buffer_uptodate(inode, xh_bh); - - ret = ocfs2_journal_access(handle, inode, xh_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); - goto out_commit; - } - - if (bpb > 1) { - data_bh = sb_getblk(inode->i_sb, blkno + bpb - 1); - if (!data_bh) { - ret = -EIO; - mlog_errno(ret); - goto out_commit; - } - - ocfs2_set_new_buffer_uptodate(inode, data_bh); - - ret = ocfs2_journal_access(handle, inode, data_bh, - OCFS2_JOURNAL_ACCESS_CREATE); - if (ret) { - mlog_errno(ret); - goto out_commit; - } + goto out; } - ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xh_bh, data_bh); + ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); - ocfs2_journal_dirty(handle, xh_bh); - if (data_bh) - ocfs2_journal_dirty(handle, data_bh); - - ret = ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } + ocfs2_xattr_update_xattr_search(inode, xs, xb_bh); /* Change from ocfs2_xattr_header to ocfs2_xattr_tree_root */ memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize - @@ -2787,24 +3477,10 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED); - ret = ocfs2_journal_dirty(handle, xb_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - -out_commit: - ocfs2_commit_trans(osb, handle); - -out_sem: - up_write(&oi->ip_alloc_sem); + ocfs2_journal_dirty(handle, xb_bh); out: - if (data_ac) - ocfs2_free_alloc_context(data_ac); - - brelse(xh_bh); - brelse(data_bh); + up_write(&oi->ip_alloc_sem); return ret; } @@ -2829,29 +3505,18 @@ static int cmp_xe_offset(const void *a, const void *b) * so that we can spare some space for insertion. */ static int ocfs2_defrag_xattr_bucket(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_bucket *bucket) { int ret, i; size_t end, offset, len, value_len; struct ocfs2_xattr_header *xh; char *entries, *buf, *bucket_buf = NULL; - u64 blkno = bucket->bhs[0]->b_blocknr; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + u64 blkno = bucket_blkno(bucket); u16 xh_free_start; size_t blocksize = inode->i_sb->s_blocksize; - handle_t *handle; - struct buffer_head **bhs; struct ocfs2_xattr_entry *xe; - bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!bhs) - return -ENOMEM; - - ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, 0); - if (ret) - goto out; - /* * In order to make the operation more efficient and generic, * we copy all the blocks into a contiguous memory and do the @@ -2865,26 +3530,16 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, } buf = bucket_buf; - for (i = 0; i < blk_per_bucket; i++, buf += blocksize) - memcpy(buf, bhs[i]->b_data, blocksize); + for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize) + memcpy(buf, bucket_block(bucket, i), blocksize); - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), blk_per_bucket); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; + ret = ocfs2_xattr_bucket_journal_access(handle, bucket, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { mlog_errno(ret); goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, bhs[i], - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto commit; - } - } - xh = (struct ocfs2_xattr_header *)bucket_buf; entries = (char *)xh->xh_entries; xh_free_start = le16_to_cpu(xh->xh_free_start); @@ -2940,7 +3595,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, "bucket %llu\n", (unsigned long long)blkno); if (xh_free_start == end) - goto commit; + goto out; memset(bucket_buf + xh_free_start, 0, end - xh_free_start); xh->xh_free_start = cpu_to_le16(end); @@ -2951,169 +3606,94 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, cmp_xe, swap_xe); buf = bucket_buf; - for (i = 0; i < blk_per_bucket; i++, buf += blocksize) { - memcpy(bhs[i]->b_data, buf, blocksize); - ocfs2_journal_dirty(handle, bhs[i]); - } + for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize) + memcpy(bucket_block(bucket, i), buf, blocksize); + ocfs2_xattr_bucket_journal_dirty(handle, bucket); -commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: - - if (bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(bhs[i]); - } - kfree(bhs); - kfree(bucket_buf); return ret; } /* - * Move half nums of the xattr bucket in the previous cluster to this new - * cluster. We only touch the last cluster of the previous extend record. + * prev_blkno points to the start of an existing extent. new_blkno + * points to a newly allocated extent. Because we know each of our + * clusters contains more than bucket, we can easily split one cluster + * at a bucket boundary. So we take the last cluster of the existing + * extent and split it down the middle. We move the last half of the + * buckets in the last cluster of the existing extent over to the new + * extent. + * + * first_bh is the buffer at prev_blkno so we can update the existing + * extent's bucket count. header_bh is the bucket were we were hoping + * to insert our xattr. If the bucket move places the target in the new + * extent, we'll update first_bh and header_bh after modifying the old + * extent. * - * first_bh is the first buffer_head of a series of bucket in the same - * extent rec and header_bh is the header of one bucket in this cluster. - * They will be updated if we move the data header_bh contains to the new - * cluster. first_hash will be set as the 1st xe's name_hash of the new cluster. + * first_hash will be set as the 1st xe's name_hash in the new extent. */ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, handle_t *handle, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u64 new_blkno, - u64 prev_blkno, u32 num_clusters, u32 *first_hash) { - int i, ret, credits; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); - int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); - int blocksize = inode->i_sb->s_blocksize; - struct buffer_head *old_bh, *new_bh, *prev_bh, *new_first_bh = NULL; - struct ocfs2_xattr_header *new_xh; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)((*first_bh)->b_data); - - BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets); - BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize); - - prev_bh = *first_bh; - get_bh(prev_bh); - xh = (struct ocfs2_xattr_header *)prev_bh->b_data; + int ret; + struct super_block *sb = inode->i_sb; + int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(sb); + int num_buckets = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(sb)); + int to_move = num_buckets / 2; + u64 src_blkno; + u64 last_cluster_blkno = bucket_blkno(first) + + ((num_clusters - 1) * ocfs2_clusters_to_blocks(sb, 1)); - prev_blkno += (num_clusters - 1) * bpc + bpc / 2; + BUG_ON(le16_to_cpu(bucket_xh(first)->xh_num_buckets) < num_buckets); + BUG_ON(OCFS2_XATTR_BUCKET_SIZE == OCFS2_SB(sb)->s_clustersize); mlog(0, "move half of xattrs in cluster %llu to %llu\n", - (unsigned long long)prev_blkno, (unsigned long long)new_blkno); + (unsigned long long)last_cluster_blkno, (unsigned long long)new_blkno); - /* - * We need to update the 1st half of the new cluster and - * 1 more for the update of the 1st bucket of the previous - * extent record. - */ - credits = bpc / 2 + 1; - ret = ocfs2_extend_trans(handle, credits); + ret = ocfs2_mv_xattr_buckets(inode, handle, bucket_blkno(first), + last_cluster_blkno, new_blkno, + to_move, first_hash); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, prev_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } + /* This is the first bucket that got moved */ + src_blkno = last_cluster_blkno + (to_move * blks_per_bucket); - for (i = 0; i < bpc / 2; i++, prev_blkno++, new_blkno++) { - old_bh = new_bh = NULL; - new_bh = sb_getblk(inode->i_sb, new_blkno); - if (!new_bh) { - ret = -EIO; - mlog_errno(ret); - goto out; - } + /* + * If the target bucket was part of the moved buckets, we need to + * update first and target. + */ + if (bucket_blkno(target) >= src_blkno) { + /* Find the block for the new target bucket */ + src_blkno = new_blkno + + (bucket_blkno(target) - src_blkno); - ocfs2_set_new_buffer_uptodate(inode, new_bh); + ocfs2_xattr_bucket_relse(first); + ocfs2_xattr_bucket_relse(target); - ret = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); - if (ret < 0) { + /* + * These shouldn't fail - the buffers are in the + * journal from ocfs2_cp_xattr_bucket(). + */ + ret = ocfs2_read_xattr_bucket(first, new_blkno); + if (ret) { mlog_errno(ret); - brelse(new_bh); goto out; } - - ret = ocfs2_read_block(inode, prev_blkno, &old_bh); - if (ret < 0) { + ret = ocfs2_read_xattr_bucket(target, src_blkno); + if (ret) mlog_errno(ret); - brelse(new_bh); - goto out; - } - memcpy(new_bh->b_data, old_bh->b_data, blocksize); - - if (i == 0) { - new_xh = (struct ocfs2_xattr_header *)new_bh->b_data; - new_xh->xh_num_buckets = cpu_to_le16(num_buckets / 2); - - if (first_hash) - *first_hash = le32_to_cpu( - new_xh->xh_entries[0].xe_name_hash); - new_first_bh = new_bh; - get_bh(new_first_bh); - } - - ocfs2_journal_dirty(handle, new_bh); - - if (*header_bh == old_bh) { - brelse(*header_bh); - *header_bh = new_bh; - get_bh(*header_bh); - - brelse(*first_bh); - *first_bh = new_first_bh; - get_bh(*first_bh); - } - brelse(new_bh); - brelse(old_bh); } - le16_add_cpu(&xh->xh_num_buckets, -(num_buckets / 2)); - - ocfs2_journal_dirty(handle, prev_bh); out: - brelse(prev_bh); - brelse(new_first_bh); - return ret; -} - -static int ocfs2_read_xattr_bucket(struct inode *inode, - u64 blkno, - struct buffer_head **bhs, - int new) -{ - int ret = 0; - u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - - if (!new) - return ocfs2_read_blocks(inode, blkno, - blk_per_bucket, bhs, 0); - - for (i = 0; i < blk_per_bucket; i++) { - bhs[i] = sb_getblk(inode->i_sb, blkno + i); - if (bhs[i] == NULL) { - ret = -EIO; - mlog_errno(ret); - break; - } - ocfs2_set_new_buffer_uptodate(inode, bhs[i]); - } - return ret; } @@ -3178,8 +3758,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, { int ret, i; int count, start, len, name_value_len = 0, xe_len, name_offset = 0; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - struct buffer_head **s_bhs, **t_bhs = NULL; + struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL; struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; int blocksize = inode->i_sb->s_blocksize; @@ -3187,47 +3766,52 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, mlog(0, "move some of xattrs from bucket %llu to %llu\n", (unsigned long long)blk, (unsigned long long)new_blk); - s_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); - if (!s_bhs) - return -ENOMEM; - - ret = ocfs2_read_xattr_bucket(inode, blk, s_bhs, 0); - if (ret) { + s_bucket = ocfs2_xattr_bucket_new(inode); + t_bucket = ocfs2_xattr_bucket_new(inode); + if (!s_bucket || !t_bucket) { + ret = -ENOMEM; mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, s_bhs[0], - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_read_xattr_bucket(s_bucket, blk); if (ret) { mlog_errno(ret); goto out; } - t_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); - if (!t_bhs) { - ret = -ENOMEM; + ret = ocfs2_xattr_bucket_journal_access(handle, s_bucket, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); goto out; } - ret = ocfs2_read_xattr_bucket(inode, new_blk, t_bhs, new_bucket_head); + /* + * Even if !new_bucket_head, we're overwriting t_bucket. Thus, + * there's no need to read it. + */ + ret = ocfs2_init_xattr_bucket(t_bucket, new_blk); if (ret) { mlog_errno(ret); goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bhs[i], - new_bucket_head ? - OCFS2_JOURNAL_ACCESS_CREATE : - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } + /* + * Hey, if we're overwriting t_bucket, what difference does + * ACCESS_CREATE vs ACCESS_WRITE make? See the comment in the + * same part of ocfs2_cp_xattr_bucket(). + */ + ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, + new_bucket_head ? + OCFS2_JOURNAL_ACCESS_CREATE : + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; } - xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data; + xh = bucket_xh(s_bucket); count = le16_to_cpu(xh->xh_count); start = ocfs2_xattr_find_divide_pos(xh); @@ -3239,10 +3823,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, * The hash value is set as one larger than * that of the last entry in the previous bucket. */ - for (i = 0; i < blk_per_bucket; i++) - memset(t_bhs[i]->b_data, 0, blocksize); + for (i = 0; i < t_bucket->bu_blocks; i++) + memset(bucket_block(t_bucket, i), 0, blocksize); - xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data; + xh = bucket_xh(t_bucket); xh->xh_free_start = cpu_to_le16(blocksize); xh->xh_entries[0].xe_name_hash = xe->xe_name_hash; le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1); @@ -3251,11 +3835,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, } /* copy the whole bucket to the new first. */ - for (i = 0; i < blk_per_bucket; i++) - memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); + ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket); /* update the new bucket. */ - xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data; + xh = bucket_xh(t_bucket); /* * Calculate the total name/value len and xh_free_start for @@ -3319,11 +3902,7 @@ set_num_buckets: else xh->xh_num_buckets = 0; - for (i = 0; i < blk_per_bucket; i++) { - ocfs2_journal_dirty(handle, t_bhs[i]); - if (ret) - mlog_errno(ret); - } + ocfs2_xattr_bucket_journal_dirty(handle, t_bucket); /* store the first_hash of the new bucket. */ if (first_hash) @@ -3337,29 +3916,18 @@ set_num_buckets: if (start == count) goto out; - xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data; + xh = bucket_xh(s_bucket); memset(&xh->xh_entries[start], 0, sizeof(struct ocfs2_xattr_entry) * (count - start)); xh->xh_count = cpu_to_le16(start); xh->xh_free_start = cpu_to_le16(name_offset); xh->xh_name_value_len = cpu_to_le16(name_value_len); - ocfs2_journal_dirty(handle, s_bhs[0]); - if (ret) - mlog_errno(ret); + ocfs2_xattr_bucket_journal_dirty(handle, s_bucket); out: - if (s_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(s_bhs[i]); - } - kfree(s_bhs); - - if (t_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(t_bhs[i]); - } - kfree(t_bhs); + ocfs2_xattr_bucket_free(s_bucket); + ocfs2_xattr_bucket_free(t_bucket); return ret; } @@ -3376,10 +3944,8 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, u64 t_blkno, int t_is_new) { - int ret, i; - int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int blocksize = inode->i_sb->s_blocksize; - struct buffer_head **s_bhs, **t_bhs = NULL; + int ret; + struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL; BUG_ON(s_blkno == t_blkno); @@ -3387,92 +3953,115 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, (unsigned long long)s_blkno, (unsigned long long)t_blkno, t_is_new); - s_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!s_bhs) - return -ENOMEM; + s_bucket = ocfs2_xattr_bucket_new(inode); + t_bucket = ocfs2_xattr_bucket_new(inode); + if (!s_bucket || !t_bucket) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } - ret = ocfs2_read_xattr_bucket(inode, s_blkno, s_bhs, 0); + ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno); if (ret) goto out; - t_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!t_bhs) { - ret = -ENOMEM; + /* + * Even if !t_is_new, we're overwriting t_bucket. Thus, + * there's no need to read it. + */ + ret = ocfs2_init_xattr_bucket(t_bucket, t_blkno); + if (ret) goto out; - } - ret = ocfs2_read_xattr_bucket(inode, t_blkno, t_bhs, t_is_new); + /* + * Hey, if we're overwriting t_bucket, what difference does + * ACCESS_CREATE vs ACCESS_WRITE make? Well, if we allocated a new + * cluster to fill, we came here from + * ocfs2_mv_xattr_buckets(), and it is really new - + * ACCESS_CREATE is required. But we also might have moved data + * out of t_bucket before extending back into it. + * ocfs2_add_new_xattr_bucket() can do this - its call to + * ocfs2_add_new_xattr_cluster() may have created a new extent + * and copied out the end of the old extent. Then it re-extends + * the old extent back to create space for new xattrs. That's + * how we get here, and the bucket isn't really new. + */ + ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, + t_is_new ? + OCFS2_JOURNAL_ACCESS_CREATE : + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) goto out; - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bhs[i], - t_is_new ? - OCFS2_JOURNAL_ACCESS_CREATE : - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) - goto out; - } - - for (i = 0; i < blk_per_bucket; i++) { - memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); - ocfs2_journal_dirty(handle, t_bhs[i]); - } + ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket); + ocfs2_xattr_bucket_journal_dirty(handle, t_bucket); out: - if (s_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(s_bhs[i]); - } - kfree(s_bhs); - - if (t_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(t_bhs[i]); - } - kfree(t_bhs); + ocfs2_xattr_bucket_free(t_bucket); + ocfs2_xattr_bucket_free(s_bucket); return ret; } /* - * Copy one xattr cluster from src_blk to to_blk. - * The to_blk will become the first bucket header of the cluster, so its - * xh_num_buckets will be initialized as the bucket num in the cluster. + * src_blk points to the start of an existing extent. last_blk points to + * last cluster in that extent. to_blk points to a newly allocated + * extent. We copy the buckets from the cluster at last_blk to the new + * extent. If start_bucket is non-zero, we skip that many buckets before + * we start copying. The new extent's xh_num_buckets gets set to the + * number of buckets we copied. The old extent's xh_num_buckets shrinks + * by the same amount. */ -static int ocfs2_cp_xattr_cluster(struct inode *inode, - handle_t *handle, - struct buffer_head *first_bh, - u64 src_blk, - u64 to_blk, +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, + u64 src_blk, u64 last_blk, u64 to_blk, + unsigned int start_bucket, u32 *first_hash) { int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); - struct buffer_head *bh = NULL; - struct ocfs2_xattr_header *xh; - u64 to_blk_start = to_blk; + struct ocfs2_xattr_bucket *old_first, *new_first; + + mlog(0, "mv xattrs from cluster %llu to %llu\n", + (unsigned long long)last_blk, (unsigned long long)to_blk); + + BUG_ON(start_bucket >= num_buckets); + if (start_bucket) { + num_buckets -= start_bucket; + last_blk += (start_bucket * blks_per_bucket); + } + + /* The first bucket of the original extent */ + old_first = ocfs2_xattr_bucket_new(inode); + /* The first bucket of the new extent */ + new_first = ocfs2_xattr_bucket_new(inode); + if (!old_first || !new_first) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } - mlog(0, "cp xattrs from cluster %llu to %llu\n", - (unsigned long long)src_blk, (unsigned long long)to_blk); + ret = ocfs2_read_xattr_bucket(old_first, src_blk); + if (ret) { + mlog_errno(ret); + goto out; + } /* - * We need to update the new cluster and 1 more for the update of - * the 1st bucket of the previous extent rec. + * We need to update the first bucket of the old extent and all + * the buckets going to the new extent. */ - credits = bpc + 1; + credits = ((num_buckets + 1) * blks_per_bucket) + + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, first_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, old_first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -3480,45 +4069,45 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, for (i = 0; i < num_buckets; i++) { ret = ocfs2_cp_xattr_bucket(inode, handle, - src_blk, to_blk, 1); + last_blk + (i * blks_per_bucket), + to_blk + (i * blks_per_bucket), + 1); if (ret) { mlog_errno(ret); goto out; } - - src_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); - to_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); } - /* update the old bucket header. */ - xh = (struct ocfs2_xattr_header *)first_bh->b_data; - le16_add_cpu(&xh->xh_num_buckets, -num_buckets); - - ocfs2_journal_dirty(handle, first_bh); - - /* update the new bucket header. */ - ret = ocfs2_read_block(inode, to_blk_start, &bh); - if (ret < 0) { + /* + * Get the new bucket ready before we dirty anything + * (This actually shouldn't fail, because we already dirtied + * it once in ocfs2_cp_xattr_bucket()). + */ + ret = ocfs2_read_xattr_bucket(new_first, to_blk); + if (ret) { mlog_errno(ret); goto out; } - - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, new_first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; - xh->xh_num_buckets = cpu_to_le16(num_buckets); + /* Now update the headers */ + le16_add_cpu(&bucket_xh(old_first)->xh_num_buckets, -num_buckets); + ocfs2_xattr_bucket_journal_dirty(handle, old_first); - ocfs2_journal_dirty(handle, bh); + bucket_xh(new_first)->xh_num_buckets = cpu_to_le16(num_buckets); + ocfs2_xattr_bucket_journal_dirty(handle, new_first); if (first_hash) - *first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); + *first_hash = le32_to_cpu(bucket_xh(new_first)->xh_entries[0].xe_name_hash); + out: - brelse(bh); + ocfs2_xattr_bucket_free(new_first); + ocfs2_xattr_bucket_free(old_first); return ret; } @@ -3534,7 +4123,7 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode, u32 *first_hash) { u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int ret, credits = 2 * blk_per_bucket; + int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits; BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize); @@ -3577,43 +4166,49 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode, */ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, handle_t *handle, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u64 new_blk, - u64 prev_blk, u32 prev_clusters, u32 *v_start, int *extend) { - int ret = 0; - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int ret; mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n", - (unsigned long long)prev_blk, prev_clusters, + (unsigned long long)bucket_blkno(first), prev_clusters, (unsigned long long)new_blk); - if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) + if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) { ret = ocfs2_mv_xattr_bucket_cross_cluster(inode, handle, - first_bh, - header_bh, + first, target, new_blk, - prev_blk, prev_clusters, v_start); - else { - u64 last_blk = prev_blk + bpc * (prev_clusters - 1); - - if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) - ret = ocfs2_cp_xattr_cluster(inode, handle, *first_bh, - last_blk, new_blk, + if (ret) + mlog_errno(ret); + } else { + /* The start of the last cluster in the first extent */ + u64 last_blk = bucket_blkno(first) + + ((prev_clusters - 1) * + ocfs2_clusters_to_blocks(inode->i_sb, 1)); + + if (prev_clusters > 1 && bucket_blkno(target) != last_blk) { + ret = ocfs2_mv_xattr_buckets(inode, handle, + bucket_blkno(first), + last_blk, new_blk, 0, v_start); - else { + if (ret) + mlog_errno(ret); + } else { ret = ocfs2_divide_xattr_cluster(inode, handle, last_blk, new_blk, v_start); + if (ret) + mlog_errno(ret); - if ((*header_bh)->b_blocknr == last_blk && extend) + if ((bucket_blkno(target) == last_blk) && extend) *extend = 0; } } @@ -3639,56 +4234,37 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, */ static int ocfs2_add_new_xattr_cluster(struct inode *inode, struct buffer_head *root_bh, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u32 *num_clusters, u32 prev_cpos, - u64 prev_blkno, - int *extend) + int *extend, + struct ocfs2_xattr_set_ctxt *ctxt) { - int ret, credits; + int ret; u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); u32 prev_clusters = *num_clusters; u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0; u64 block; - handle_t *handle = NULL; - struct ocfs2_alloc_context *data_ac = NULL; - struct ocfs2_alloc_context *meta_ac = NULL; + handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " "previous xattr blkno = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno, - prev_cpos, (unsigned long long)prev_blkno); + prev_cpos, (unsigned long long)bucket_blkno(first)); ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); - ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, - &data_ac, &meta_ac); - if (ret) { - mlog_errno(ret); - goto leave; - } - - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, - clusters_to_add); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; - mlog_errno(ret); - goto leave; - } - - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto leave; } - ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1, + ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1, clusters_to_add, &bit_off, &num_bits); if (ret < 0) { if (ret != -ENOSPC) @@ -3702,7 +4278,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog(0, "Allocating %u clusters at block %u for xattr in inode %llu\n", num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - if (prev_blkno + prev_clusters * bpc == block && + if (bucket_blkno(first) + (prev_clusters * bpc) == block && (prev_clusters + num_bits) << osb->s_clustersize_bits <= OCFS2_MAX_XATTR_TREE_LEAF_SIZE) { /* @@ -3721,10 +4297,9 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } else { ret = ocfs2_adjust_xattr_cross_cluster(inode, handle, - first_bh, - header_bh, + first, + target, block, - prev_blkno, prev_clusters, &v_start, extend); @@ -3734,149 +4309,137 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } } - if (handle->h_buffer_credits < credits) { - /* - * The journal has been restarted before, and don't - * have enough space for the insertion, so extend it - * here. - */ - ret = ocfs2_extend_trans(handle, credits); - if (ret) { - mlog_errno(ret); - goto leave; - } - } mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, (unsigned long long)block, v_start); ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, - num_bits, 0, meta_ac); + num_bits, 0, ctxt->meta_ac); if (ret < 0) { mlog_errno(ret); goto leave; } ret = ocfs2_journal_dirty(handle, root_bh); - if (ret < 0) { + if (ret < 0) mlog_errno(ret); - goto leave; - } leave: - if (handle) - ocfs2_commit_trans(osb, handle); - if (data_ac) - ocfs2_free_alloc_context(data_ac); - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - return ret; } /* - * Extend a new xattr bucket and move xattrs to the end one by one until - * We meet with start_bh. Only move half of the xattrs to the bucket after it. + * We are given an extent. 'first' is the bucket at the very front of + * the extent. The extent has space for an additional bucket past + * bucket_xh(first)->xh_num_buckets. 'target_blkno' is the block number + * of the target bucket. We wish to shift every bucket past the target + * down one, filling in that additional space. When we get back to the + * target, we split the target between itself and the now-empty bucket + * at target+1 (aka, target_blkno + blks_per_bucket). */ static int ocfs2_extend_xattr_bucket(struct inode *inode, - struct buffer_head *first_bh, - struct buffer_head *start_bh, + handle_t *handle, + struct ocfs2_xattr_bucket *first, + u64 target_blk, u32 num_clusters) { int ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - u64 start_blk = start_bh->b_blocknr, end_blk; - u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb); - handle_t *handle; - struct ocfs2_xattr_header *first_xh = - (struct ocfs2_xattr_header *)first_bh->b_data; - u16 bucket = le16_to_cpu(first_xh->xh_num_buckets); + u64 end_blk; + u16 new_bucket = le16_to_cpu(bucket_xh(first)->xh_num_buckets); mlog(0, "extend xattr bucket in %llu, xattr extend rec starting " - "from %llu, len = %u\n", (unsigned long long)start_blk, - (unsigned long long)first_bh->b_blocknr, num_clusters); + "from %llu, len = %u\n", (unsigned long long)target_blk, + (unsigned long long)bucket_blkno(first), num_clusters); - BUG_ON(bucket >= num_buckets); + /* The extent must have room for an additional bucket */ + BUG_ON(new_bucket >= + (num_clusters * ocfs2_xattr_buckets_per_cluster(osb))); - end_blk = first_bh->b_blocknr + (bucket - 1) * blk_per_bucket; + /* end_blk points to the last existing bucket */ + end_blk = bucket_blkno(first) + ((new_bucket - 1) * blk_per_bucket); /* - * We will touch all the buckets after the start_bh(include it). - * Add one more bucket and modify the first_bh. + * end_blk is the start of the last existing bucket. + * Thus, (end_blk - target_blk) covers the target bucket and + * every bucket after it up to, but not including, the last + * existing bucket. Then we add the last existing bucket, the + * new bucket, and the first bucket (3 * blk_per_bucket). */ - credits = end_blk - start_blk + 2 * blk_per_bucket + 1; - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; + credits = (end_blk - target_blk) + (3 * blk_per_bucket) + + handle->h_buffer_credits; + ret = ocfs2_extend_trans(handle, credits); + if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, first_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto commit; + goto out; } - while (end_blk != start_blk) { + while (end_blk != target_blk) { ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk, end_blk + blk_per_bucket, 0); if (ret) - goto commit; + goto out; end_blk -= blk_per_bucket; } - /* Move half of the xattr in start_blk to the next bucket. */ - ret = ocfs2_divide_xattr_bucket(inode, handle, start_blk, - start_blk + blk_per_bucket, NULL, 0); + /* Move half of the xattr in target_blkno to the next bucket. */ + ret = ocfs2_divide_xattr_bucket(inode, handle, target_blk, + target_blk + blk_per_bucket, NULL, 0); - le16_add_cpu(&first_xh->xh_num_buckets, 1); - ocfs2_journal_dirty(handle, first_bh); + le16_add_cpu(&bucket_xh(first)->xh_num_buckets, 1); + ocfs2_xattr_bucket_journal_dirty(handle, first); -commit: - ocfs2_commit_trans(osb, handle); out: return ret; } /* - * Add new xattr bucket in an extent record and adjust the buckets accordingly. - * xb_bh is the ocfs2_xattr_block. - * We will move all the buckets starting from header_bh to the next place. As - * for this one, half num of its xattrs will be moved to the next one. + * Add new xattr bucket in an extent record and adjust the buckets + * accordingly. xb_bh is the ocfs2_xattr_block, and target is the + * bucket we want to insert into. + * + * In the easy case, we will move all the buckets after target down by + * one. Half of target's xattrs will be moved to the next bucket. * - * We will allocate a new cluster if current cluster is full and adjust - * header_bh and first_bh if the insert place is moved to the new cluster. + * If current cluster is full, we'll allocate a new one. This may not + * be contiguous. The underlying calls will make sure that there is + * space for the insert, shifting buckets around if necessary. + * 'target' may be moved by those calls. */ static int ocfs2_add_new_xattr_bucket(struct inode *inode, struct buffer_head *xb_bh, - struct buffer_head *header_bh) + struct ocfs2_xattr_bucket *target, + struct ocfs2_xattr_set_ctxt *ctxt) { - struct ocfs2_xattr_header *first_xh = NULL; - struct buffer_head *first_bh = NULL; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; struct ocfs2_extent_list *el = &xb_root->xt_list; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; - u32 name_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); - struct super_block *sb = inode->i_sb; - struct ocfs2_super *osb = OCFS2_SB(sb); + u32 name_hash = + le32_to_cpu(bucket_xh(target)->xh_entries[0].xe_name_hash); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int ret, num_buckets, extend = 1; u64 p_blkno; u32 e_cpos, num_clusters; + /* The bucket at the front of the extent */ + struct ocfs2_xattr_bucket *first; - mlog(0, "Add new xattr bucket starting form %llu\n", - (unsigned long long)header_bh->b_blocknr); + mlog(0, "Add new xattr bucket starting from %llu\n", + (unsigned long long)bucket_blkno(target)); - /* - * Add refrence for header_bh here because it may be - * changed in ocfs2_add_new_xattr_cluster and we need - * to free it in the end. - */ - get_bh(header_bh); + /* The first bucket of the original extent */ + first = ocfs2_xattr_bucket_new(inode); + if (!first) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, &e_cpos, &num_clusters, el); @@ -3885,40 +4448,45 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, p_blkno, &first_bh); + ret = ocfs2_read_xattr_bucket(first, p_blkno); if (ret) { mlog_errno(ret); goto out; } num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters; - first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; - - if (num_buckets == le16_to_cpu(first_xh->xh_num_buckets)) { + if (num_buckets == le16_to_cpu(bucket_xh(first)->xh_num_buckets)) { + /* + * This can move first+target if the target bucket moves + * to the new extent. + */ ret = ocfs2_add_new_xattr_cluster(inode, xb_bh, - &first_bh, - &header_bh, + first, + target, &num_clusters, e_cpos, - p_blkno, - &extend); + &extend, + ctxt); if (ret) { mlog_errno(ret); goto out; } } - if (extend) + if (extend) { ret = ocfs2_extend_xattr_bucket(inode, - first_bh, - header_bh, + ctxt->handle, + first, + bucket_blkno(target), num_clusters); - if (ret) - mlog_errno(ret); + if (ret) + mlog_errno(ret); + } + out: - brelse(first_bh); - brelse(header_bh); + ocfs2_xattr_bucket_free(first); + return ret; } @@ -3929,7 +4497,7 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode, int block_off = offs >> inode->i_sb->s_blocksize_bits; offs = offs % inode->i_sb->s_blocksize; - return bucket->bhs[block_off]->b_data + offs; + return bucket_block(bucket, block_off) + offs; } /* @@ -3984,7 +4552,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, xe->xe_value_size = 0; val = ocfs2_xattr_bucket_get_val(inode, - &xs->bucket, offs); + xs->bucket, offs); memset(val + OCFS2_XATTR_SIZE(name_len), 0, size - OCFS2_XATTR_SIZE(name_len)); if (OCFS2_XATTR_SIZE(xi->value_len) > 0) @@ -4062,8 +4630,7 @@ set_new_name_value: xh->xh_free_start = cpu_to_le16(offs); } - val = ocfs2_xattr_bucket_get_val(inode, - &xs->bucket, offs - size); + val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size); xe->xe_name_offset = cpu_to_le16(offs - size); memset(val, 0, size); @@ -4079,125 +4646,45 @@ set_new_name_value: return; } -static int ocfs2_xattr_bucket_handle_journal(struct inode *inode, - handle_t *handle, - struct ocfs2_xattr_search *xs, - struct buffer_head **bhs, - u16 bh_num) -{ - int ret = 0, off, block_off; - struct ocfs2_xattr_entry *xe = xs->here; - - /* - * First calculate all the blocks we should journal_access - * and journal_dirty. The first block should always be touched. - */ - ret = ocfs2_journal_dirty(handle, bhs[0]); - if (ret) - mlog_errno(ret); - - /* calc the data. */ - off = le16_to_cpu(xe->xe_name_offset); - block_off = off >> inode->i_sb->s_blocksize_bits; - ret = ocfs2_journal_dirty(handle, bhs[block_off]); - if (ret) - mlog_errno(ret); - - return ret; -} - /* * Set the xattr entry in the specified bucket. * The bucket is indicated by xs->bucket and it should have the enough * space for the xattr insertion. */ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, u32 name_hash, int local) { - int i, ret; - handle_t *handle = NULL; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int ret; + u64 blkno; mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", (unsigned long)xi->value_len, xi->name_index, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr); + (unsigned long long)bucket_blkno(xs->bucket)); - if (!xs->bucket.bhs[1]) { - ret = ocfs2_read_blocks(inode, - xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], - 0); + if (!xs->bucket->bu_bhs[1]) { + blkno = bucket_blkno(xs->bucket); + ocfs2_xattr_bucket_relse(xs->bucket); + ret = ocfs2_read_xattr_bucket(xs->bucket, blkno); if (ret) { mlog_errno(ret); goto out; } } - handle = ocfs2_start_trans(osb, blk_per_bucket); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { mlog_errno(ret); goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[i], - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - } - ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); - /*Only dirty the blocks we have touched in set xattr. */ - ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs, - xs->bucket.bhs, blk_per_bucket); - if (ret) - mlog_errno(ret); -out: - ocfs2_commit_trans(osb, handle); - - return ret; -} - -static int ocfs2_xattr_value_update_size(struct inode *inode, - struct buffer_head *xe_bh, - struct ocfs2_xattr_entry *xe, - u64 new_size) -{ - int ret; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - handle_t *handle = NULL; - - handle = ocfs2_start_trans(osb, 1); - if (IS_ERR(handle)) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } - - ret = ocfs2_journal_access(handle, inode, xe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto out_commit; - } - - xe->xe_value_size = cpu_to_le64(new_size); - - ret = ocfs2_journal_dirty(handle, xe_bh); - if (ret < 0) - mlog_errno(ret); - -out_commit: - ocfs2_commit_trans(osb, handle); out: return ret; } @@ -4210,18 +4697,19 @@ out: * Copy the new updated xe and xe_value_root to new_xe and new_xv if needed. */ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, - struct buffer_head *header_bh, + struct ocfs2_xattr_bucket *bucket, int xe_off, - int len) + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, offset; u64 value_blk; - struct buffer_head *value_bh = NULL; - struct ocfs2_xattr_value_root *xv; struct ocfs2_xattr_entry *xe; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); size_t blocksize = inode->i_sb->s_blocksize; + struct ocfs2_xattr_value_buf vb = { + .vb_access = ocfs2_journal_access, + }; xe = &xh->xh_entries[xe_off]; @@ -4234,49 +4722,58 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, /* We don't allow ocfs2_xattr_value to be stored in different block. */ BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); - value_blk += header_bh->b_blocknr; - ret = ocfs2_read_block(inode, value_blk, &value_bh); - if (ret) { - mlog_errno(ret); - goto out; - } + vb.vb_bh = bucket->bu_bhs[value_blk]; + BUG_ON(!vb.vb_bh); - xv = (struct ocfs2_xattr_value_root *) - (value_bh->b_data + offset % blocksize); + vb.vb_xv = (struct ocfs2_xattr_value_root *) + (vb.vb_bh->b_data + offset % blocksize); - mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", - xe_off, (unsigned long long)header_bh->b_blocknr, len); - ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len); + ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len); + /* + * From here on out we have to dirty the bucket. The generic + * value calls only modify one of the bucket's bhs, but we need + * to send the bucket at once. So if they error, they *could* have + * modified something. We have to assume they did, and dirty + * the whole bucket. This leaves us in a consistent state. + */ + mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", + xe_off, (unsigned long long)bucket_blkno(bucket), len); + ret = ocfs2_xattr_value_truncate(inode, &vb, len, ctxt); if (ret) { mlog_errno(ret); - goto out; + goto out_dirty; } + xe->xe_value_size = cpu_to_le64(len); + +out_dirty: + ocfs2_xattr_bucket_journal_dirty(ctxt->handle, bucket); + out: - brelse(value_bh); return ret; } static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, - struct ocfs2_xattr_search *xs, - int len) + struct ocfs2_xattr_search *xs, + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, offset; struct ocfs2_xattr_entry *xe = xs->here; struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base; - BUG_ON(!xs->bucket.bhs[0] || !xe || ocfs2_xattr_is_local(xe)); + BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe)); offset = xe - xh->xh_entries; - ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bhs[0], - offset, len); + ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket, + offset, len, ctxt); if (ret) mlog_errno(ret); @@ -4284,6 +4781,7 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, } static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_search *xs, char *val, int value_len) @@ -4299,7 +4797,8 @@ static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, xv = (struct ocfs2_xattr_value_root *)(xs->base + offset); - return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len); + return __ocfs2_xattr_set_value_outside(inode, handle, + xv, val, value_len); } static int ocfs2_rm_xattr_cluster(struct inode *inode, @@ -4343,15 +4842,15 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, } } - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb)); if (IS_ERR(handle)) { ret = -ENOMEM; mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -4392,26 +4891,19 @@ out: } static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_search *xs) { - handle_t *handle = NULL; - struct ocfs2_xattr_header *xh = xs->bucket.xh; + struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket); struct ocfs2_xattr_entry *last = &xh->xh_entries[ le16_to_cpu(xh->xh_count) - 1]; int ret = 0; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), 1); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - return; - } - - ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[0], - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + return; } /* Remove the old entry. */ @@ -4420,11 +4912,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, memset(last, 0, sizeof(struct ocfs2_xattr_entry)); le16_add_cpu(&xh->xh_count, -1); - ret = ocfs2_journal_dirty(handle, xs->bucket.bhs[0]); - if (ret < 0) - mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); } /* @@ -4440,7 +4928,8 @@ out_commit: */ static int ocfs2_xattr_set_in_bucket(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, local = 1; size_t value_len; @@ -4468,7 +4957,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, value_len = 0; ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, - value_len); + value_len, + ctxt); if (ret) goto out; @@ -4488,7 +4978,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, xi->value_len = OCFS2_XATTR_ROOT_SIZE; } - ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local); + ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs, + name_hash, local); if (ret) { mlog_errno(ret); goto out; @@ -4499,7 +4990,7 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, /* allocate the space now for the outside block storage. */ ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, - value_len); + value_len, ctxt); if (ret) { mlog_errno(ret); @@ -4509,13 +5000,14 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, * storage and we have allocated xattr already, * so need to remove it. */ - ocfs2_xattr_bucket_remove_xs(inode, xs); + ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs); } goto out; } set_value_outside: - ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len); + ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle, + xs, val, value_len); out: return ret; } @@ -4530,7 +5022,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, struct ocfs2_xattr_bucket *bucket, const char *name) { - struct ocfs2_xattr_header *xh = bucket->xh; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name)); if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash)) @@ -4540,7 +5032,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, xh->xh_entries[0].xe_name_hash) { mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, " "hash = %u\n", - (unsigned long long)bucket->bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(bucket), le32_to_cpu(xh->xh_entries[0].xe_name_hash)); return -ENOSPC; } @@ -4550,16 +5042,16 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; u16 count, header_size, xh_free_start; - int i, free, max_free, need, old; + int free, max_free, need, old; size_t value_size = 0, name_len = strlen(xi->name); size_t blocksize = inode->i_sb->s_blocksize; int ret, allocation = 0; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); mlog_entry("Set xattr %s in xattr index block\n", xi->name); @@ -4574,7 +5066,7 @@ try_again: mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size " "of %u which exceed block size\n", - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(xs->bucket), header_size); if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) @@ -4614,11 +5106,13 @@ try_again: mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, " "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len =" " %u\n", xs->not_found, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(xs->bucket), free, need, max_free, le16_to_cpu(xh->xh_free_start), le16_to_cpu(xh->xh_name_value_len)); - if (free < need || count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { + if (free < need || + (xs->not_found && + count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb))) { if (need <= max_free && count < ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { /* @@ -4626,7 +5120,8 @@ try_again: * name/value will be moved, the xe shouldn't be changed * in xs. */ - ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket); + ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle, + xs->bucket); if (ret) { mlog_errno(ret); goto out; @@ -4658,7 +5153,7 @@ try_again: * add a new bucket for the insert. */ ret = ocfs2_check_xattr_bucket_collision(inode, - &xs->bucket, + xs->bucket, xi->name); if (ret) { mlog_errno(ret); @@ -4667,17 +5162,21 @@ try_again: ret = ocfs2_add_new_xattr_bucket(inode, xs->xattr_bh, - xs->bucket.bhs[0]); + xs->bucket, + ctxt); if (ret) { mlog_errno(ret); goto out; } - for (i = 0; i < blk_per_bucket; i++) - brelse(xs->bucket.bhs[i]); - - memset(&xs->bucket, 0, sizeof(xs->bucket)); - + /* + * ocfs2_add_new_xattr_bucket() will have updated + * xs->bucket if it moved, but it will not have updated + * any of the other search fields. Thus, we drop it and + * re-search. Everything should be cached, so it'll be + * quick. + */ + ocfs2_xattr_bucket_relse(xs->bucket); ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh, xi->name_index, xi->name, xs); @@ -4689,7 +5188,7 @@ try_again: } xattr_set: - ret = ocfs2_xattr_set_in_bucket(inode, xi, xs); + ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt); out: mlog_exit(ret); return ret; @@ -4700,24 +5199,41 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, void *para) { int ret = 0; - struct ocfs2_xattr_header *xh = bucket->xh; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u16 i; struct ocfs2_xattr_entry *xe; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,}; + int credits = ocfs2_remove_extent_credits(osb->sb) + + ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + + ocfs2_init_dealloc_ctxt(&ctxt.dealloc); for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { xe = &xh->xh_entries[i]; if (ocfs2_xattr_is_local(xe)) continue; - ret = ocfs2_xattr_bucket_value_truncate(inode, - bucket->bhs[0], - i, 0); + ctxt.handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + break; + } + + ret = ocfs2_xattr_bucket_value_truncate(inode, bucket, + i, 0, &ctxt); + + ocfs2_commit_trans(osb, ctxt.handle); if (ret) { mlog_errno(ret); break; } } + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); return ret; } @@ -4768,6 +5284,74 @@ out: } /* + * 'security' attributes support + */ +static size_t ocfs2_xattr_security_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = XATTR_SECURITY_PREFIX_LEN; + const size_t total_len = prefix_len + name_len + 1; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_SECURITY_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_security_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY, name, + buffer, size); +} + +static int ocfs2_xattr_security_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY, name, value, + size, flags); +} + +int ocfs2_init_security_get(struct inode *inode, + struct inode *dir, + struct ocfs2_security_xattr_info *si) +{ + /* check whether ocfs2 support feature xattr */ + if (!ocfs2_supports_xattr(OCFS2_SB(dir->i_sb))) + return -EOPNOTSUPP; + return security_inode_init_security(inode, dir, &si->name, &si->value, + &si->value_len); +} + +int ocfs2_init_security_set(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + struct ocfs2_security_xattr_info *si, + struct ocfs2_alloc_context *xattr_ac, + struct ocfs2_alloc_context *data_ac) +{ + return ocfs2_xattr_set_handle(handle, inode, di_bh, + OCFS2_XATTR_INDEX_SECURITY, + si->name, si->value, si->value_len, 0, + xattr_ac, data_ac); +} + +struct xattr_handler ocfs2_xattr_security_handler = { + .prefix = XATTR_SECURITY_PREFIX, + .list = ocfs2_xattr_security_list, + .get = ocfs2_xattr_security_get, + .set = ocfs2_xattr_security_set, +}; + +/* * 'trusted' attributes support */ static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 1d8314c7656..5a1ebc789f7 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -30,13 +30,58 @@ enum ocfs2_xattr_type { OCFS2_XATTR_MAX }; +struct ocfs2_security_xattr_info { + int enable; + char *name; + void *value; + size_t value_len; +}; + extern struct xattr_handler ocfs2_xattr_user_handler; extern struct xattr_handler ocfs2_xattr_trusted_handler; +extern struct xattr_handler ocfs2_xattr_security_handler; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL +extern struct xattr_handler ocfs2_xattr_acl_access_handler; +extern struct xattr_handler ocfs2_xattr_acl_default_handler; +#endif extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); +int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int, + const char *, void *, size_t); int ocfs2_xattr_set(struct inode *, int, const char *, const void *, size_t, int); +int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, + int, const char *, const void *, size_t, int, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); int ocfs2_xattr_remove(struct inode *, struct buffer_head *); +int ocfs2_init_security_get(struct inode *, struct inode *, + struct ocfs2_security_xattr_info *); +int ocfs2_init_security_set(handle_t *, struct inode *, + struct buffer_head *, + struct ocfs2_security_xattr_info *, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); +int ocfs2_calc_security_init(struct inode *, + struct ocfs2_security_xattr_info *, + int *, int *, struct ocfs2_alloc_context **); +int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, + int, struct ocfs2_security_xattr_info *, + int *, int *, struct ocfs2_alloc_context **); + +/* + * xattrs can live inside an inode, as part of an external xattr block, + * or inside an xattr bucket, which is the leaf of a tree rooted in an + * xattr block. Some of the xattr calls, especially the value setting + * functions, want to treat each of these locations as equal. Let's wrap + * them in a structure that we can pass around instead of raw buffer_heads. + */ +struct ocfs2_xattr_value_buf { + struct buffer_head *vb_bh; + ocfs2_journal_access_func vb_access; + struct ocfs2_xattr_value_root *vb_xv; +}; + #endif /* OCFS2_XATTR_H */ diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index 6afe57c84f8..633e9dc972b 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -39,7 +39,6 @@ struct inode *omfs_new_inode(struct inode *dir, int mode) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->a_ops = &omfs_aops; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/open.c b/fs/open.c index 1cd7d40e999..d882fd2351d 100644 --- a/fs/open.c +++ b/fs/open.c @@ -412,7 +412,7 @@ asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len) if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0)) goto out_fput; - if (inode->i_op && inode->i_op->fallocate) + if (inode->i_op->fallocate) ret = inode->i_op->fallocate(inode, mode, offset, len); else ret = -EOPNOTSUPP; diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index d41bdc784de..ffcd04f0012 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -256,9 +256,6 @@ found: break; } - inode->i_gid = 0; - inode->i_uid = 0; - d_add(dentry, inode); return NULL; } diff --git a/fs/pipe.c b/fs/pipe.c index aaf797bd57b..891697112f6 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -1016,10 +1016,7 @@ int do_pipe_flags(int *fd, int flags) goto err_fdr; fdw = error; - error = audit_fd_pair(fdr, fdw); - if (error < 0) - goto err_fdw; - + audit_fd_pair(fdr, fdw); fd_install(fdr, fr); fd_install(fdw, fw); fd[0] = fdr; @@ -1027,8 +1024,6 @@ int do_pipe_flags(int *fd, int flags) return 0; - err_fdw: - put_unused_fd(fdw); err_fdr: put_unused_fd(fdr); err_read_pipe: diff --git a/fs/proc/base.c b/fs/proc/base.c index cad92c1ac2b..10fd5223d60 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1426,8 +1426,6 @@ static struct inode *proc_pid_make_inode(struct super_block * sb, struct task_st if (!ei->pid) goto out_unlock; - inode->i_uid = 0; - inode->i_gid = 0; if (task_dumpable(task)) { rcu_read_lock(); cred = __task_cred(task); @@ -2349,8 +2347,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir, if (!ei->pid) goto out_iput; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_mode = p->mode; if (S_ISDIR(inode->i_mode)) inode->i_nlink = 2; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 06ed10b7da9..94fcfff6863 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -31,7 +31,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; inode->i_flags |= S_PRIVATE; /* tell selinux to ignore this inode */ inode->i_mode = table->mode; - inode->i_uid = inode->i_gid = 0; if (!table->child) { inode->i_mode |= S_IFREG; inode->i_op = &proc_sys_inode_operations; diff --git a/fs/quota.c b/fs/quota.c index b7fe44e0161..4a8c94f05f7 100644 --- a/fs/quota.c +++ b/fs/quota.c @@ -73,7 +73,7 @@ static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid case Q_SETQUOTA: case Q_GETQUOTA: /* This is just informative test so we are satisfied without a lock */ - if (!sb_has_quota_enabled(sb, type)) + if (!sb_has_quota_active(sb, type)) return -ESRCH; } @@ -160,6 +160,9 @@ static void quota_sync_sb(struct super_block *sb, int type) int cnt; sb->s_qcop->quota_sync(sb, type); + + if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE) + return; /* This is not very clever (and fast) but currently I don't know about * any other simple way of getting quota data to disk and we must get * them there for userspace to be visible... */ @@ -175,7 +178,7 @@ static void quota_sync_sb(struct super_block *sb, int type) for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && cnt != type) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex, I_MUTEX_QUOTA); truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0); @@ -201,7 +204,7 @@ restart: for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && type != cnt) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; if (!info_dirty(&sb_dqopt(sb)->info[cnt]) && list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list)) @@ -245,7 +248,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void __u32 fmt; down_read(&sb_dqopt(sb)->dqptr_sem); - if (!sb_has_quota_enabled(sb, type)) { + if (!sb_has_quota_active(sb, type)) { up_read(&sb_dqopt(sb)->dqptr_sem); return -ESRCH; } diff --git a/fs/quota_tree.c b/fs/quota_tree.c new file mode 100644 index 00000000000..953404c95b1 --- /dev/null +++ b/fs/quota_tree.c @@ -0,0 +1,645 @@ +/* + * vfsv0 quota IO operations on file + */ + +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/mount.h> +#include <linux/dqblk_v2.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/quotaops.h> + +#include <asm/byteorder.h> + +#include "quota_tree.h" + +MODULE_AUTHOR("Jan Kara"); +MODULE_DESCRIPTION("Quota trie support"); +MODULE_LICENSE("GPL"); + +#define __QUOTA_QT_PARANOIA + +typedef char *dqbuf_t; + +static int get_index(struct qtree_mem_dqinfo *info, qid_t id, int depth) +{ + unsigned int epb = info->dqi_usable_bs >> 2; + + depth = info->dqi_qtree_depth - depth - 1; + while (depth--) + id /= epb; + return id % epb; +} + +/* Number of entries in one blocks */ +static inline int qtree_dqstr_in_blk(struct qtree_mem_dqinfo *info) +{ + return (info->dqi_usable_bs - sizeof(struct qt_disk_dqdbheader)) + / info->dqi_entry_size; +} + +static dqbuf_t getdqbuf(size_t size) +{ + dqbuf_t buf = kmalloc(size, GFP_NOFS); + if (!buf) + printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n"); + return buf; +} + +static inline void freedqbuf(dqbuf_t buf) +{ + kfree(buf); +} + +static inline ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf) +{ + struct super_block *sb = info->dqi_sb; + + memset(buf, 0, info->dqi_usable_bs); + return sb->s_op->quota_read(sb, info->dqi_type, (char *)buf, + info->dqi_usable_bs, blk << info->dqi_blocksize_bits); +} + +static inline ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf) +{ + struct super_block *sb = info->dqi_sb; + + return sb->s_op->quota_write(sb, info->dqi_type, (char *)buf, + info->dqi_usable_bs, blk << info->dqi_blocksize_bits); +} + +/* Remove empty block from list and return it */ +static int get_free_dqblk(struct qtree_mem_dqinfo *info) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int ret, blk; + + if (!buf) + return -ENOMEM; + if (info->dqi_free_blk) { + blk = info->dqi_free_blk; + ret = read_blk(info, blk, buf); + if (ret < 0) + goto out_buf; + info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free); + } + else { + memset(buf, 0, info->dqi_usable_bs); + /* Assure block allocation... */ + ret = write_blk(info, info->dqi_blocks, buf); + if (ret < 0) + goto out_buf; + blk = info->dqi_blocks++; + } + mark_info_dirty(info->dqi_sb, info->dqi_type); + ret = blk; +out_buf: + freedqbuf(buf); + return ret; +} + +/* Insert empty block to the list */ +static int put_free_dqblk(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int err; + + dh->dqdh_next_free = cpu_to_le32(info->dqi_free_blk); + dh->dqdh_prev_free = cpu_to_le32(0); + dh->dqdh_entries = cpu_to_le16(0); + err = write_blk(info, blk, buf); + if (err < 0) + return err; + info->dqi_free_blk = blk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + return 0; +} + +/* Remove given block from the list of blocks with free entries */ +static int remove_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + uint nextblk = le32_to_cpu(dh->dqdh_next_free); + uint prevblk = le32_to_cpu(dh->dqdh_prev_free); + int err; + + if (!tmpbuf) + return -ENOMEM; + if (nextblk) { + err = read_blk(info, nextblk, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = + dh->dqdh_prev_free; + err = write_blk(info, nextblk, tmpbuf); + if (err < 0) + goto out_buf; + } + if (prevblk) { + err = read_blk(info, prevblk, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_next_free = + dh->dqdh_next_free; + err = write_blk(info, prevblk, tmpbuf); + if (err < 0) + goto out_buf; + } else { + info->dqi_free_entry = nextblk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + } + freedqbuf(tmpbuf); + dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0); + /* No matter whether write succeeds block is out of list */ + if (write_blk(info, blk, buf) < 0) + printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk); + return 0; +out_buf: + freedqbuf(tmpbuf); + return err; +} + +/* Insert given block to the beginning of list with free entries */ +static int insert_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int err; + + if (!tmpbuf) + return -ENOMEM; + dh->dqdh_next_free = cpu_to_le32(info->dqi_free_entry); + dh->dqdh_prev_free = cpu_to_le32(0); + err = write_blk(info, blk, buf); + if (err < 0) + goto out_buf; + if (info->dqi_free_entry) { + err = read_blk(info, info->dqi_free_entry, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = + cpu_to_le32(blk); + err = write_blk(info, info->dqi_free_entry, tmpbuf); + if (err < 0) + goto out_buf; + } + freedqbuf(tmpbuf); + info->dqi_free_entry = blk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + return 0; +out_buf: + freedqbuf(tmpbuf); + return err; +} + +/* Is the entry in the block free? */ +int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk) +{ + int i; + + for (i = 0; i < info->dqi_entry_size; i++) + if (disk[i]) + return 0; + return 1; +} +EXPORT_SYMBOL(qtree_entry_unused); + +/* Find space for dquot */ +static uint find_free_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, int *err) +{ + uint blk, i; + struct qt_disk_dqdbheader *dh; + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + char *ddquot; + + *err = 0; + if (!buf) { + *err = -ENOMEM; + return 0; + } + dh = (struct qt_disk_dqdbheader *)buf; + if (info->dqi_free_entry) { + blk = info->dqi_free_entry; + *err = read_blk(info, blk, buf); + if (*err < 0) + goto out_buf; + } else { + blk = get_free_dqblk(info); + if ((int)blk < 0) { + *err = blk; + freedqbuf(buf); + return 0; + } + memset(buf, 0, info->dqi_usable_bs); + /* This is enough as block is already zeroed and entry list is empty... */ + info->dqi_free_entry = blk; + mark_info_dirty(dquot->dq_sb, dquot->dq_type); + } + /* Block will be full? */ + if (le16_to_cpu(dh->dqdh_entries) + 1 >= qtree_dqstr_in_blk(info)) { + *err = remove_free_dqentry(info, buf, blk); + if (*err < 0) { + printk(KERN_ERR "VFS: find_free_dqentry(): Can't " + "remove block (%u) from entry free list.\n", + blk); + goto out_buf; + } + } + le16_add_cpu(&dh->dqdh_entries, 1); + /* Find free structure in block */ + for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader); + i < qtree_dqstr_in_blk(info) && !qtree_entry_unused(info, ddquot); + i++, ddquot += info->dqi_entry_size); +#ifdef __QUOTA_QT_PARANOIA + if (i == qtree_dqstr_in_blk(info)) { + printk(KERN_ERR "VFS: find_free_dqentry(): Data block full " + "but it shouldn't.\n"); + *err = -EIO; + goto out_buf; + } +#endif + *err = write_blk(info, blk, buf); + if (*err < 0) { + printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota " + "data block %u.\n", blk); + goto out_buf; + } + dquot->dq_off = (blk << info->dqi_blocksize_bits) + + sizeof(struct qt_disk_dqdbheader) + + i * info->dqi_entry_size; + freedqbuf(buf); + return blk; +out_buf: + freedqbuf(buf); + return 0; +} + +/* Insert reference to structure into the trie */ +static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint *treeblk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0, newson = 0, newact = 0; + __le32 *ref; + uint newblk; + + if (!buf) + return -ENOMEM; + if (!*treeblk) { + ret = get_free_dqblk(info); + if (ret < 0) + goto out_buf; + *treeblk = ret; + memset(buf, 0, info->dqi_usable_bs); + newact = 1; + } else { + ret = read_blk(info, *treeblk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read tree quota block " + "%u.\n", *treeblk); + goto out_buf; + } + } + ref = (__le32 *)buf; + newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (!newblk) + newson = 1; + if (depth == info->dqi_qtree_depth - 1) { +#ifdef __QUOTA_QT_PARANOIA + if (newblk) { + printk(KERN_ERR "VFS: Inserting already present quota " + "entry (block %u).\n", + le32_to_cpu(ref[get_index(info, + dquot->dq_id, depth)])); + ret = -EIO; + goto out_buf; + } +#endif + newblk = find_free_dqentry(info, dquot, &ret); + } else { + ret = do_insert_tree(info, dquot, &newblk, depth+1); + } + if (newson && ret >= 0) { + ref[get_index(info, dquot->dq_id, depth)] = + cpu_to_le32(newblk); + ret = write_blk(info, *treeblk, buf); + } else if (newact && ret < 0) { + put_free_dqblk(info, buf, *treeblk); + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Wrapper for inserting quota structure into tree */ +static inline int dq_insert_tree(struct qtree_mem_dqinfo *info, + struct dquot *dquot) +{ + int tmp = QT_TREEOFF; + return do_insert_tree(info, dquot, &tmp, 0); +} + +/* + * We don't have to be afraid of deadlocks as we never have quotas on quota files... + */ +int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + int type = dquot->dq_type; + struct super_block *sb = dquot->dq_sb; + ssize_t ret; + dqbuf_t ddquot = getdqbuf(info->dqi_entry_size); + + if (!ddquot) + return -ENOMEM; + + /* dq_off is guarded by dqio_mutex */ + if (!dquot->dq_off) { + ret = dq_insert_tree(info, dquot); + if (ret < 0) { + printk(KERN_ERR "VFS: Error %zd occurred while " + "creating quota.\n", ret); + freedqbuf(ddquot); + return ret; + } + } + spin_lock(&dq_data_lock); + info->dqi_ops->mem2disk_dqblk(ddquot, dquot); + spin_unlock(&dq_data_lock); + ret = sb->s_op->quota_write(sb, type, (char *)ddquot, + info->dqi_entry_size, dquot->dq_off); + if (ret != info->dqi_entry_size) { + printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", + sb->s_id); + if (ret >= 0) + ret = -ENOSPC; + } else { + ret = 0; + } + dqstats.writes++; + freedqbuf(ddquot); + + return ret; +} +EXPORT_SYMBOL(qtree_write_dquot); + +/* Free dquot entry in data block */ +static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint blk) +{ + struct qt_disk_dqdbheader *dh; + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0; + + if (!buf) + return -ENOMEM; + if (dquot->dq_off >> info->dqi_blocksize_bits != blk) { + printk(KERN_ERR "VFS: Quota structure has offset to other " + "block (%u) than it should (%u).\n", blk, + (uint)(dquot->dq_off >> info->dqi_blocksize_bits)); + goto out_buf; + } + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk); + goto out_buf; + } + dh = (struct qt_disk_dqdbheader *)buf; + le16_add_cpu(&dh->dqdh_entries, -1); + if (!le16_to_cpu(dh->dqdh_entries)) { /* Block got free? */ + ret = remove_free_dqentry(info, buf, blk); + if (ret >= 0) + ret = put_free_dqblk(info, buf, blk); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't move quota data block (%u) " + "to free list.\n", blk); + goto out_buf; + } + } else { + memset(buf + + (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)), + 0, info->dqi_entry_size); + if (le16_to_cpu(dh->dqdh_entries) == + qtree_dqstr_in_blk(info) - 1) { + /* Insert will write block itself */ + ret = insert_free_dqentry(info, buf, blk); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't insert quota data " + "block (%u) to free entry list.\n", blk); + goto out_buf; + } + } else { + ret = write_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't write quota data " + "block %u\n", blk); + goto out_buf; + } + } + } + dquot->dq_off = 0; /* Quota is now unattached */ +out_buf: + freedqbuf(buf); + return ret; +} + +/* Remove reference to dquot from tree */ +static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint *blk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0; + uint newblk; + __le32 *ref = (__le32 *)buf; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, *blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk); + goto out_buf; + } + newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (depth == info->dqi_qtree_depth - 1) { + ret = free_dqentry(info, dquot, newblk); + newblk = 0; + } else { + ret = remove_tree(info, dquot, &newblk, depth+1); + } + if (ret >= 0 && !newblk) { + int i; + ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0); + /* Block got empty? */ + for (i = 0; + i < (info->dqi_usable_bs >> 2) && !ref[i]; + i++); + /* Don't put the root block into the free block list */ + if (i == (info->dqi_usable_bs >> 2) + && *blk != QT_TREEOFF) { + put_free_dqblk(info, buf, *blk); + *blk = 0; + } else { + ret = write_blk(info, *blk, buf); + if (ret < 0) + printk(KERN_ERR "VFS: Can't write quota tree " + "block %u.\n", *blk); + } + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Delete dquot from tree */ +int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + uint tmp = QT_TREEOFF; + + if (!dquot->dq_off) /* Even not allocated? */ + return 0; + return remove_tree(info, dquot, &tmp, 0); +} +EXPORT_SYMBOL(qtree_delete_dquot); + +/* Find entry in block */ +static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, uint blk) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + loff_t ret = 0; + int i; + char *ddquot; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); + goto out_buf; + } + for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader); + i < qtree_dqstr_in_blk(info) && !info->dqi_ops->is_id(ddquot, dquot); + i++, ddquot += info->dqi_entry_size); + if (i == qtree_dqstr_in_blk(info)) { + printk(KERN_ERR "VFS: Quota for id %u referenced " + "but not present.\n", dquot->dq_id); + ret = -EIO; + goto out_buf; + } else { + ret = (blk << info->dqi_blocksize_bits) + sizeof(struct + qt_disk_dqdbheader) + i * info->dqi_entry_size; + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Find entry for given id in the tree */ +static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, uint blk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + loff_t ret = 0; + __le32 *ref = (__le32 *)buf; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); + goto out_buf; + } + ret = 0; + blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (!blk) /* No reference? */ + goto out_buf; + if (depth < info->dqi_qtree_depth - 1) + ret = find_tree_dqentry(info, dquot, blk, depth+1); + else + ret = find_block_dqentry(info, dquot, blk); +out_buf: + freedqbuf(buf); + return ret; +} + +/* Find entry for given id in the tree - wrapper function */ +static inline loff_t find_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot) +{ + return find_tree_dqentry(info, dquot, QT_TREEOFF, 0); +} + +int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + int type = dquot->dq_type; + struct super_block *sb = dquot->dq_sb; + loff_t offset; + dqbuf_t ddquot; + int ret = 0; + +#ifdef __QUOTA_QT_PARANOIA + /* Invalidated quota? */ + if (!sb_dqopt(dquot->dq_sb)->files[type]) { + printk(KERN_ERR "VFS: Quota invalidated while reading!\n"); + return -EIO; + } +#endif + /* Do we know offset of the dquot entry in the quota file? */ + if (!dquot->dq_off) { + offset = find_dqentry(info, dquot); + if (offset <= 0) { /* Entry not present? */ + if (offset < 0) + printk(KERN_ERR "VFS: Can't read quota " + "structure for id %u.\n", dquot->dq_id); + dquot->dq_off = 0; + set_bit(DQ_FAKE_B, &dquot->dq_flags); + memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); + ret = offset; + goto out; + } + dquot->dq_off = offset; + } + ddquot = getdqbuf(info->dqi_entry_size); + if (!ddquot) + return -ENOMEM; + ret = sb->s_op->quota_read(sb, type, (char *)ddquot, + info->dqi_entry_size, dquot->dq_off); + if (ret != info->dqi_entry_size) { + if (ret >= 0) + ret = -EIO; + printk(KERN_ERR "VFS: Error while reading quota " + "structure for id %u.\n", dquot->dq_id); + set_bit(DQ_FAKE_B, &dquot->dq_flags); + memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); + freedqbuf(ddquot); + goto out; + } + spin_lock(&dq_data_lock); + info->dqi_ops->disk2mem_dqblk(dquot, ddquot); + if (!dquot->dq_dqb.dqb_bhardlimit && + !dquot->dq_dqb.dqb_bsoftlimit && + !dquot->dq_dqb.dqb_ihardlimit && + !dquot->dq_dqb.dqb_isoftlimit) + set_bit(DQ_FAKE_B, &dquot->dq_flags); + spin_unlock(&dq_data_lock); + freedqbuf(ddquot); +out: + dqstats.reads++; + return ret; +} +EXPORT_SYMBOL(qtree_read_dquot); + +/* Check whether dquot should not be deleted. We know we are + * the only one operating on dquot (thanks to dq_lock) */ +int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace)) + return qtree_delete_dquot(info, dquot); + return 0; +} +EXPORT_SYMBOL(qtree_release_dquot); diff --git a/fs/quota_tree.h b/fs/quota_tree.h new file mode 100644 index 00000000000..a1ab8db81a5 --- /dev/null +++ b/fs/quota_tree.h @@ -0,0 +1,25 @@ +/* + * Definitions of structures for vfsv0 quota format + */ + +#ifndef _LINUX_QUOTA_TREE_H +#define _LINUX_QUOTA_TREE_H + +#include <linux/types.h> +#include <linux/quota.h> + +/* + * Structure of header of block with quota structures. It is padded to 16 bytes so + * there will be space for exactly 21 quota-entries in a block + */ +struct qt_disk_dqdbheader { + __le32 dqdh_next_free; /* Number of next block with free entry */ + __le32 dqdh_prev_free; /* Number of previous block with free entry */ + __le16 dqdh_entries; /* Number of valid entries in block */ + __le16 dqdh_pad1; + __le32 dqdh_pad2; +}; + +#define QT_TREEOFF 1 /* Offset of tree in file in blocks */ + +#endif /* _LINUX_QUOTAIO_TREE_H */ diff --git a/fs/quota_v1.c b/fs/quota_v1.c index 5ae15b13eeb..b4af1c69ad1 100644 --- a/fs/quota_v1.c +++ b/fs/quota_v1.c @@ -3,25 +3,39 @@ #include <linux/quota.h> #include <linux/quotaops.h> #include <linux/dqblk_v1.h> -#include <linux/quotaio_v1.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <asm/byteorder.h> +#include "quotaio_v1.h" + MODULE_AUTHOR("Jan Kara"); MODULE_DESCRIPTION("Old quota format support"); MODULE_LICENSE("GPL"); +#define QUOTABLOCK_BITS 10 +#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) + +static inline qsize_t v1_stoqb(qsize_t space) +{ + return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS; +} + +static inline qsize_t v1_qbtos(qsize_t blocks) +{ + return blocks << QUOTABLOCK_BITS; +} + static void v1_disk2mem_dqblk(struct mem_dqblk *m, struct v1_disk_dqblk *d) { m->dqb_ihardlimit = d->dqb_ihardlimit; m->dqb_isoftlimit = d->dqb_isoftlimit; m->dqb_curinodes = d->dqb_curinodes; - m->dqb_bhardlimit = d->dqb_bhardlimit; - m->dqb_bsoftlimit = d->dqb_bsoftlimit; - m->dqb_curspace = ((qsize_t)d->dqb_curblocks) << QUOTABLOCK_BITS; + m->dqb_bhardlimit = v1_qbtos(d->dqb_bhardlimit); + m->dqb_bsoftlimit = v1_qbtos(d->dqb_bsoftlimit); + m->dqb_curspace = v1_qbtos(d->dqb_curblocks); m->dqb_itime = d->dqb_itime; m->dqb_btime = d->dqb_btime; } @@ -31,9 +45,9 @@ static void v1_mem2disk_dqblk(struct v1_disk_dqblk *d, struct mem_dqblk *m) d->dqb_ihardlimit = m->dqb_ihardlimit; d->dqb_isoftlimit = m->dqb_isoftlimit; d->dqb_curinodes = m->dqb_curinodes; - d->dqb_bhardlimit = m->dqb_bhardlimit; - d->dqb_bsoftlimit = m->dqb_bsoftlimit; - d->dqb_curblocks = toqb(m->dqb_curspace); + d->dqb_bhardlimit = v1_stoqb(m->dqb_bhardlimit); + d->dqb_bsoftlimit = v1_stoqb(m->dqb_bsoftlimit); + d->dqb_curblocks = v1_stoqb(m->dqb_curspace); d->dqb_itime = m->dqb_itime; d->dqb_btime = m->dqb_btime; } diff --git a/fs/quota_v2.c b/fs/quota_v2.c index b53827dc02d..b618b563635 100644 --- a/fs/quota_v2.c +++ b/fs/quota_v2.c @@ -6,7 +6,6 @@ #include <linux/fs.h> #include <linux/mount.h> #include <linux/dqblk_v2.h> -#include <linux/quotaio_v2.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> @@ -15,16 +14,37 @@ #include <asm/byteorder.h> +#include "quota_tree.h" +#include "quotaio_v2.h" + MODULE_AUTHOR("Jan Kara"); MODULE_DESCRIPTION("Quota format v2 support"); MODULE_LICENSE("GPL"); #define __QUOTA_V2_PARANOIA -typedef char *dqbuf_t; +static void v2_mem2diskdqb(void *dp, struct dquot *dquot); +static void v2_disk2memdqb(struct dquot *dquot, void *dp); +static int v2_is_id(void *dp, struct dquot *dquot); + +static struct qtree_fmt_operations v2_qtree_ops = { + .mem2disk_dqblk = v2_mem2diskdqb, + .disk2mem_dqblk = v2_disk2memdqb, + .is_id = v2_is_id, +}; + +#define QUOTABLOCK_BITS 10 +#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) -#define GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff) -#define GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)buf)+sizeof(struct v2_disk_dqdbheader))) +static inline qsize_t v2_stoqb(qsize_t space) +{ + return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS; +} + +static inline qsize_t v2_qbtos(qsize_t blocks) +{ + return blocks << QUOTABLOCK_BITS; +} /* Check whether given file is really vfsv0 quotafile */ static int v2_check_quota_file(struct super_block *sb, int type) @@ -50,7 +70,8 @@ static int v2_check_quota_file(struct super_block *sb, int type) static int v2_read_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; - struct mem_dqinfo *info = sb_dqopt(sb)->info+type; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct qtree_mem_dqinfo *qinfo; ssize_t size; size = sb->s_op->quota_read(sb, type, (char *)&dinfo, @@ -60,15 +81,29 @@ static int v2_read_file_info(struct super_block *sb, int type) sb->s_id); return -1; } + info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_NOFS); + if (!info->dqi_priv) { + printk(KERN_WARNING + "Not enough memory for quota information structure.\n"); + return -1; + } + qinfo = info->dqi_priv; /* limits are stored as unsigned 32-bit data */ info->dqi_maxblimit = 0xffffffff; info->dqi_maxilimit = 0xffffffff; info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); info->dqi_flags = le32_to_cpu(dinfo.dqi_flags); - info->u.v2_i.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); - info->u.v2_i.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); - info->u.v2_i.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + qinfo->dqi_sb = sb; + qinfo->dqi_type = type; + qinfo->dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); + qinfo->dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); + qinfo->dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + qinfo->dqi_blocksize_bits = V2_DQBLKSIZE_BITS; + qinfo->dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS; + qinfo->dqi_qtree_depth = qtree_depth(qinfo); + qinfo->dqi_entry_size = sizeof(struct v2_disk_dqblk); + qinfo->dqi_ops = &v2_qtree_ops; return 0; } @@ -76,7 +111,8 @@ static int v2_read_file_info(struct super_block *sb, int type) static int v2_write_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; - struct mem_dqinfo *info = sb_dqopt(sb)->info+type; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct qtree_mem_dqinfo *qinfo = info->dqi_priv; ssize_t size; spin_lock(&dq_data_lock); @@ -85,9 +121,9 @@ static int v2_write_file_info(struct super_block *sb, int type) dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace); dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK); spin_unlock(&dq_data_lock); - dinfo.dqi_blocks = cpu_to_le32(info->u.v2_i.dqi_blocks); - dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.dqi_free_blk); - dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.dqi_free_entry); + dinfo.dqi_blocks = cpu_to_le32(qinfo->dqi_blocks); + dinfo.dqi_free_blk = cpu_to_le32(qinfo->dqi_free_blk); + dinfo.dqi_free_entry = cpu_to_le32(qinfo->dqi_free_entry); size = sb->s_op->quota_write(sb, type, (char *)&dinfo, sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF); if (size != sizeof(struct v2_disk_dqinfo)) { @@ -98,574 +134,75 @@ static int v2_write_file_info(struct super_block *sb, int type) return 0; } -static void disk2memdqb(struct mem_dqblk *m, struct v2_disk_dqblk *d) +static void v2_disk2memdqb(struct dquot *dquot, void *dp) { + struct v2_disk_dqblk *d = dp, empty; + struct mem_dqblk *m = &dquot->dq_dqb; + m->dqb_ihardlimit = le32_to_cpu(d->dqb_ihardlimit); m->dqb_isoftlimit = le32_to_cpu(d->dqb_isoftlimit); m->dqb_curinodes = le32_to_cpu(d->dqb_curinodes); m->dqb_itime = le64_to_cpu(d->dqb_itime); - m->dqb_bhardlimit = le32_to_cpu(d->dqb_bhardlimit); - m->dqb_bsoftlimit = le32_to_cpu(d->dqb_bsoftlimit); + m->dqb_bhardlimit = v2_qbtos(le32_to_cpu(d->dqb_bhardlimit)); + m->dqb_bsoftlimit = v2_qbtos(le32_to_cpu(d->dqb_bsoftlimit)); m->dqb_curspace = le64_to_cpu(d->dqb_curspace); m->dqb_btime = le64_to_cpu(d->dqb_btime); + /* We need to escape back all-zero structure */ + memset(&empty, 0, sizeof(struct v2_disk_dqblk)); + empty.dqb_itime = cpu_to_le64(1); + if (!memcmp(&empty, dp, sizeof(struct v2_disk_dqblk))) + m->dqb_itime = 0; } -static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id) +static void v2_mem2diskdqb(void *dp, struct dquot *dquot) { + struct v2_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + struct qtree_mem_dqinfo *info = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + d->dqb_ihardlimit = cpu_to_le32(m->dqb_ihardlimit); d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit); d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes); d->dqb_itime = cpu_to_le64(m->dqb_itime); - d->dqb_bhardlimit = cpu_to_le32(m->dqb_bhardlimit); - d->dqb_bsoftlimit = cpu_to_le32(m->dqb_bsoftlimit); + d->dqb_bhardlimit = cpu_to_le32(v2_stoqb(m->dqb_bhardlimit)); + d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit)); d->dqb_curspace = cpu_to_le64(m->dqb_curspace); d->dqb_btime = cpu_to_le64(m->dqb_btime); - d->dqb_id = cpu_to_le32(id); -} - -static dqbuf_t getdqbuf(void) -{ - dqbuf_t buf = kmalloc(V2_DQBLKSIZE, GFP_NOFS); - if (!buf) - printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n"); - return buf; -} - -static inline void freedqbuf(dqbuf_t buf) -{ - kfree(buf); -} - -static inline ssize_t read_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf) -{ - memset(buf, 0, V2_DQBLKSIZE); - return sb->s_op->quota_read(sb, type, (char *)buf, - V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS); -} - -static inline ssize_t write_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf) -{ - return sb->s_op->quota_write(sb, type, (char *)buf, - V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS); -} - -/* Remove empty block from list and return it */ -static int get_free_dqblk(struct super_block *sb, int type) -{ - dqbuf_t buf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int ret, blk; - - if (!buf) - return -ENOMEM; - if (info->u.v2_i.dqi_free_blk) { - blk = info->u.v2_i.dqi_free_blk; - if ((ret = read_blk(sb, type, blk, buf)) < 0) - goto out_buf; - info->u.v2_i.dqi_free_blk = le32_to_cpu(dh->dqdh_next_free); - } - else { - memset(buf, 0, V2_DQBLKSIZE); - /* Assure block allocation... */ - if ((ret = write_blk(sb, type, info->u.v2_i.dqi_blocks, buf)) < 0) - goto out_buf; - blk = info->u.v2_i.dqi_blocks++; - } - mark_info_dirty(sb, type); - ret = blk; -out_buf: - freedqbuf(buf); - return ret; -} - -/* Insert empty block to the list */ -static int put_free_dqblk(struct super_block *sb, int type, dqbuf_t buf, uint blk) -{ - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int err; - - dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_blk); - dh->dqdh_prev_free = cpu_to_le32(0); - dh->dqdh_entries = cpu_to_le16(0); - info->u.v2_i.dqi_free_blk = blk; - mark_info_dirty(sb, type); - /* Some strange block. We had better leave it... */ - if ((err = write_blk(sb, type, blk, buf)) < 0) - return err; - return 0; + d->dqb_id = cpu_to_le32(dquot->dq_id); + if (qtree_entry_unused(info, dp)) + d->dqb_itime = cpu_to_le64(1); } -/* Remove given block from the list of blocks with free entries */ -static int remove_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk) +static int v2_is_id(void *dp, struct dquot *dquot) { - dqbuf_t tmpbuf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - uint nextblk = le32_to_cpu(dh->dqdh_next_free), prevblk = le32_to_cpu(dh->dqdh_prev_free); - int err; + struct v2_disk_dqblk *d = dp; + struct qtree_mem_dqinfo *info = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; - if (!tmpbuf) - return -ENOMEM; - if (nextblk) { - if ((err = read_blk(sb, type, nextblk, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = dh->dqdh_prev_free; - if ((err = write_blk(sb, type, nextblk, tmpbuf)) < 0) - goto out_buf; - } - if (prevblk) { - if ((err = read_blk(sb, type, prevblk, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_next_free = dh->dqdh_next_free; - if ((err = write_blk(sb, type, prevblk, tmpbuf)) < 0) - goto out_buf; - } - else { - info->u.v2_i.dqi_free_entry = nextblk; - mark_info_dirty(sb, type); - } - freedqbuf(tmpbuf); - dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0); - /* No matter whether write succeeds block is out of list */ - if (write_blk(sb, type, blk, buf) < 0) - printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk); - return 0; -out_buf: - freedqbuf(tmpbuf); - return err; -} - -/* Insert given block to the beginning of list with free entries */ -static int insert_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk) -{ - dqbuf_t tmpbuf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int err; - - if (!tmpbuf) - return -ENOMEM; - dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_entry); - dh->dqdh_prev_free = cpu_to_le32(0); - if ((err = write_blk(sb, type, blk, buf)) < 0) - goto out_buf; - if (info->u.v2_i.dqi_free_entry) { - if ((err = read_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = cpu_to_le32(blk); - if ((err = write_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0) - goto out_buf; - } - freedqbuf(tmpbuf); - info->u.v2_i.dqi_free_entry = blk; - mark_info_dirty(sb, type); - return 0; -out_buf: - freedqbuf(tmpbuf); - return err; -} - -/* Find space for dquot */ -static uint find_free_dqentry(struct dquot *dquot, int *err) -{ - struct super_block *sb = dquot->dq_sb; - struct mem_dqinfo *info = sb_dqopt(sb)->info+dquot->dq_type; - uint blk, i; - struct v2_disk_dqdbheader *dh; - struct v2_disk_dqblk *ddquot; - struct v2_disk_dqblk fakedquot; - dqbuf_t buf; - - *err = 0; - if (!(buf = getdqbuf())) { - *err = -ENOMEM; + if (qtree_entry_unused(info, dp)) return 0; - } - dh = (struct v2_disk_dqdbheader *)buf; - ddquot = GETENTRIES(buf); - if (info->u.v2_i.dqi_free_entry) { - blk = info->u.v2_i.dqi_free_entry; - if ((*err = read_blk(sb, dquot->dq_type, blk, buf)) < 0) - goto out_buf; - } - else { - blk = get_free_dqblk(sb, dquot->dq_type); - if ((int)blk < 0) { - *err = blk; - freedqbuf(buf); - return 0; - } - memset(buf, 0, V2_DQBLKSIZE); - /* This is enough as block is already zeroed and entry list is empty... */ - info->u.v2_i.dqi_free_entry = blk; - mark_info_dirty(sb, dquot->dq_type); - } - if (le16_to_cpu(dh->dqdh_entries)+1 >= V2_DQSTRINBLK) /* Block will be full? */ - if ((*err = remove_free_dqentry(sb, dquot->dq_type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: find_free_dqentry(): Can't remove block (%u) from entry free list.\n", blk); - goto out_buf; - } - le16_add_cpu(&dh->dqdh_entries, 1); - memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk)); - /* Find free structure in block */ - for (i = 0; i < V2_DQSTRINBLK && memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk)); i++); -#ifdef __QUOTA_V2_PARANOIA - if (i == V2_DQSTRINBLK) { - printk(KERN_ERR "VFS: find_free_dqentry(): Data block full but it shouldn't.\n"); - *err = -EIO; - goto out_buf; - } -#endif - if ((*err = write_blk(sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota data block %u.\n", blk); - goto out_buf; - } - dquot->dq_off = (blk<<V2_DQBLKSIZE_BITS)+sizeof(struct v2_disk_dqdbheader)+i*sizeof(struct v2_disk_dqblk); - freedqbuf(buf); - return blk; -out_buf: - freedqbuf(buf); - return 0; -} - -/* Insert reference to structure into the trie */ -static int do_insert_tree(struct dquot *dquot, uint *treeblk, int depth) -{ - struct super_block *sb = dquot->dq_sb; - dqbuf_t buf; - int ret = 0, newson = 0, newact = 0; - __le32 *ref; - uint newblk; - - if (!(buf = getdqbuf())) - return -ENOMEM; - if (!*treeblk) { - ret = get_free_dqblk(sb, dquot->dq_type); - if (ret < 0) - goto out_buf; - *treeblk = ret; - memset(buf, 0, V2_DQBLKSIZE); - newact = 1; - } - else { - if ((ret = read_blk(sb, dquot->dq_type, *treeblk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read tree quota block %u.\n", *treeblk); - goto out_buf; - } - } - ref = (__le32 *)buf; - newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (!newblk) - newson = 1; - if (depth == V2_DQTREEDEPTH-1) { -#ifdef __QUOTA_V2_PARANOIA - if (newblk) { - printk(KERN_ERR "VFS: Inserting already present quota entry (block %u).\n", le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)])); - ret = -EIO; - goto out_buf; - } -#endif - newblk = find_free_dqentry(dquot, &ret); - } - else - ret = do_insert_tree(dquot, &newblk, depth+1); - if (newson && ret >= 0) { - ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(newblk); - ret = write_blk(sb, dquot->dq_type, *treeblk, buf); - } - else if (newact && ret < 0) - put_free_dqblk(sb, dquot->dq_type, buf, *treeblk); -out_buf: - freedqbuf(buf); - return ret; + return le32_to_cpu(d->dqb_id) == dquot->dq_id; } -/* Wrapper for inserting quota structure into tree */ -static inline int dq_insert_tree(struct dquot *dquot) +static int v2_read_dquot(struct dquot *dquot) { - int tmp = V2_DQTREEOFF; - return do_insert_tree(dquot, &tmp, 0); + return qtree_read_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); } -/* - * We don't have to be afraid of deadlocks as we never have quotas on quota files... - */ static int v2_write_dquot(struct dquot *dquot) { - int type = dquot->dq_type; - ssize_t ret; - struct v2_disk_dqblk ddquot, empty; - - /* dq_off is guarded by dqio_mutex */ - if (!dquot->dq_off) - if ((ret = dq_insert_tree(dquot)) < 0) { - printk(KERN_ERR "VFS: Error %zd occurred while creating quota.\n", ret); - return ret; - } - spin_lock(&dq_data_lock); - mem2diskdqb(&ddquot, &dquot->dq_dqb, dquot->dq_id); - /* Argh... We may need to write structure full of zeroes but that would be - * treated as an empty place by the rest of the code. Format change would - * be definitely cleaner but the problems probably are not worth it */ - memset(&empty, 0, sizeof(struct v2_disk_dqblk)); - if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk))) - ddquot.dqb_itime = cpu_to_le64(1); - spin_unlock(&dq_data_lock); - ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type, - (char *)&ddquot, sizeof(struct v2_disk_dqblk), dquot->dq_off); - if (ret != sizeof(struct v2_disk_dqblk)) { - printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", dquot->dq_sb->s_id); - if (ret >= 0) - ret = -ENOSPC; - } - else - ret = 0; - dqstats.writes++; - - return ret; + return qtree_write_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); } -/* Free dquot entry in data block */ -static int free_dqentry(struct dquot *dquot, uint blk) -{ - struct super_block *sb = dquot->dq_sb; - int type = dquot->dq_type; - struct v2_disk_dqdbheader *dh; - dqbuf_t buf = getdqbuf(); - int ret = 0; - - if (!buf) - return -ENOMEM; - if (dquot->dq_off >> V2_DQBLKSIZE_BITS != blk) { - printk(KERN_ERR "VFS: Quota structure has offset to other " - "block (%u) than it should (%u).\n", blk, - (uint)(dquot->dq_off >> V2_DQBLKSIZE_BITS)); - goto out_buf; - } - if ((ret = read_blk(sb, type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk); - goto out_buf; - } - dh = (struct v2_disk_dqdbheader *)buf; - le16_add_cpu(&dh->dqdh_entries, -1); - if (!le16_to_cpu(dh->dqdh_entries)) { /* Block got free? */ - if ((ret = remove_free_dqentry(sb, type, buf, blk)) < 0 || - (ret = put_free_dqblk(sb, type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: Can't move quota data block (%u) " - "to free list.\n", blk); - goto out_buf; - } - } - else { - memset(buf+(dquot->dq_off & ((1 << V2_DQBLKSIZE_BITS)-1)), 0, - sizeof(struct v2_disk_dqblk)); - if (le16_to_cpu(dh->dqdh_entries) == V2_DQSTRINBLK-1) { - /* Insert will write block itself */ - if ((ret = insert_free_dqentry(sb, type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: Can't insert quota data block (%u) to free entry list.\n", blk); - goto out_buf; - } - } - else - if ((ret = write_blk(sb, type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't write quota data " - "block %u\n", blk); - goto out_buf; - } - } - dquot->dq_off = 0; /* Quota is now unattached */ -out_buf: - freedqbuf(buf); - return ret; -} - -/* Remove reference to dquot from tree */ -static int remove_tree(struct dquot *dquot, uint *blk, int depth) -{ - struct super_block *sb = dquot->dq_sb; - int type = dquot->dq_type; - dqbuf_t buf = getdqbuf(); - int ret = 0; - uint newblk; - __le32 *ref = (__le32 *)buf; - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(sb, type, *blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk); - goto out_buf; - } - newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (depth == V2_DQTREEDEPTH-1) { - ret = free_dqentry(dquot, newblk); - newblk = 0; - } - else - ret = remove_tree(dquot, &newblk, depth+1); - if (ret >= 0 && !newblk) { - int i; - ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(0); - for (i = 0; i < V2_DQBLKSIZE && !buf[i]; i++); /* Block got empty? */ - /* Don't put the root block into the free block list */ - if (i == V2_DQBLKSIZE && *blk != V2_DQTREEOFF) { - put_free_dqblk(sb, type, buf, *blk); - *blk = 0; - } - else - if ((ret = write_blk(sb, type, *blk, buf)) < 0) - printk(KERN_ERR "VFS: Can't write quota tree " - "block %u.\n", *blk); - } -out_buf: - freedqbuf(buf); - return ret; -} - -/* Delete dquot from tree */ -static int v2_delete_dquot(struct dquot *dquot) -{ - uint tmp = V2_DQTREEOFF; - - if (!dquot->dq_off) /* Even not allocated? */ - return 0; - return remove_tree(dquot, &tmp, 0); -} - -/* Find entry in block */ -static loff_t find_block_dqentry(struct dquot *dquot, uint blk) -{ - dqbuf_t buf = getdqbuf(); - loff_t ret = 0; - int i; - struct v2_disk_dqblk *ddquot = GETENTRIES(buf); - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); - goto out_buf; - } - if (dquot->dq_id) - for (i = 0; i < V2_DQSTRINBLK && - le32_to_cpu(ddquot[i].dqb_id) != dquot->dq_id; i++); - else { /* ID 0 as a bit more complicated searching... */ - struct v2_disk_dqblk fakedquot; - - memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk)); - for (i = 0; i < V2_DQSTRINBLK; i++) - if (!le32_to_cpu(ddquot[i].dqb_id) && - memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk))) - break; - } - if (i == V2_DQSTRINBLK) { - printk(KERN_ERR "VFS: Quota for id %u referenced " - "but not present.\n", dquot->dq_id); - ret = -EIO; - goto out_buf; - } - else - ret = (blk << V2_DQBLKSIZE_BITS) + sizeof(struct - v2_disk_dqdbheader) + i * sizeof(struct v2_disk_dqblk); -out_buf: - freedqbuf(buf); - return ret; -} - -/* Find entry for given id in the tree */ -static loff_t find_tree_dqentry(struct dquot *dquot, uint blk, int depth) -{ - dqbuf_t buf = getdqbuf(); - loff_t ret = 0; - __le32 *ref = (__le32 *)buf; - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); - goto out_buf; - } - ret = 0; - blk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (!blk) /* No reference? */ - goto out_buf; - if (depth < V2_DQTREEDEPTH-1) - ret = find_tree_dqentry(dquot, blk, depth+1); - else - ret = find_block_dqentry(dquot, blk); -out_buf: - freedqbuf(buf); - return ret; -} - -/* Find entry for given id in the tree - wrapper function */ -static inline loff_t find_dqentry(struct dquot *dquot) -{ - return find_tree_dqentry(dquot, V2_DQTREEOFF, 0); -} - -static int v2_read_dquot(struct dquot *dquot) +static int v2_release_dquot(struct dquot *dquot) { - int type = dquot->dq_type; - loff_t offset; - struct v2_disk_dqblk ddquot, empty; - int ret = 0; - -#ifdef __QUOTA_V2_PARANOIA - /* Invalidated quota? */ - if (!dquot->dq_sb || !sb_dqopt(dquot->dq_sb)->files[type]) { - printk(KERN_ERR "VFS: Quota invalidated while reading!\n"); - return -EIO; - } -#endif - offset = find_dqentry(dquot); - if (offset <= 0) { /* Entry not present? */ - if (offset < 0) - printk(KERN_ERR "VFS: Can't read quota " - "structure for id %u.\n", dquot->dq_id); - dquot->dq_off = 0; - set_bit(DQ_FAKE_B, &dquot->dq_flags); - memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); - ret = offset; - } - else { - dquot->dq_off = offset; - if ((ret = dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, - (char *)&ddquot, sizeof(struct v2_disk_dqblk), offset)) - != sizeof(struct v2_disk_dqblk)) { - if (ret >= 0) - ret = -EIO; - printk(KERN_ERR "VFS: Error while reading quota " - "structure for id %u.\n", dquot->dq_id); - memset(&ddquot, 0, sizeof(struct v2_disk_dqblk)); - } - else { - ret = 0; - /* We need to escape back all-zero structure */ - memset(&empty, 0, sizeof(struct v2_disk_dqblk)); - empty.dqb_itime = cpu_to_le64(1); - if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk))) - ddquot.dqb_itime = 0; - } - disk2memdqb(&dquot->dq_dqb, &ddquot); - if (!dquot->dq_dqb.dqb_bhardlimit && - !dquot->dq_dqb.dqb_bsoftlimit && - !dquot->dq_dqb.dqb_ihardlimit && - !dquot->dq_dqb.dqb_isoftlimit) - set_bit(DQ_FAKE_B, &dquot->dq_flags); - } - dqstats.reads++; - - return ret; + return qtree_release_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); } -/* Check whether dquot should not be deleted. We know we are - * the only one operating on dquot (thanks to dq_lock) */ -static int v2_release_dquot(struct dquot *dquot) +static int v2_free_file_info(struct super_block *sb, int type) { - if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace)) - return v2_delete_dquot(dquot); + kfree(sb_dqinfo(sb, type)->dqi_priv); return 0; } @@ -673,7 +210,7 @@ static struct quota_format_ops v2_format_ops = { .check_quota_file = v2_check_quota_file, .read_file_info = v2_read_file_info, .write_file_info = v2_write_file_info, - .free_file_info = NULL, + .free_file_info = v2_free_file_info, .read_dqblk = v2_read_dquot, .commit_dqblk = v2_write_dquot, .release_dqblk = v2_release_dquot, diff --git a/include/linux/quotaio_v1.h b/fs/quotaio_v1.h index 746654b5de7..746654b5de7 100644 --- a/include/linux/quotaio_v1.h +++ b/fs/quotaio_v1.h diff --git a/include/linux/quotaio_v2.h b/fs/quotaio_v2.h index 303d7cbe30d..530fe580685 100644 --- a/include/linux/quotaio_v2.h +++ b/fs/quotaio_v2.h @@ -21,6 +21,12 @@ 0 /* GRPQUOTA */\ } +/* First generic header */ +struct v2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* File version */ +}; + /* * The following structure defines the format of the disk quota file * (as it appears on disk) - the file is a radix tree whose leaves point @@ -38,15 +44,6 @@ struct v2_disk_dqblk { __le64 dqb_itime; /* time limit for excessive inode use */ }; -/* - * Here are header structures as written on disk and their in-memory copies - */ -/* First generic header */ -struct v2_disk_dqheader { - __le32 dqh_magic; /* Magic number identifying file */ - __le32 dqh_version; /* File version */ -}; - /* Header with type and version specific information */ struct v2_disk_dqinfo { __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ @@ -57,23 +54,7 @@ struct v2_disk_dqinfo { __le32 dqi_free_entry; /* Number of block with at least one free entry */ }; -/* - * Structure of header of block with quota structures. It is padded to 16 bytes so - * there will be space for exactly 21 quota-entries in a block - */ -struct v2_disk_dqdbheader { - __le32 dqdh_next_free; /* Number of next block with free entry */ - __le32 dqdh_prev_free; /* Number of previous block with free entry */ - __le16 dqdh_entries; /* Number of valid entries in block */ - __le16 dqdh_pad1; - __le32 dqdh_pad2; -}; - #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ -#define V2_DQBLKSIZE_BITS 10 -#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */ -#define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */ -#define V2_DQTREEDEPTH 4 /* Depth of quota tree */ -#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */ +#define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ #endif /* _LINUX_QUOTAIO_V2_H */ diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index a83a3518ae3..b7e6ac706b8 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -57,7 +57,6 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->a_ops = &ramfs_aops; inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); diff --git a/fs/read_write.c b/fs/read_write.c index 969a6d9c020..5cc6924eb15 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -50,6 +50,14 @@ generic_file_llseek_unlocked(struct file *file, loff_t offset, int origin) offset += inode->i_size; break; case SEEK_CUR: + /* + * Here we special-case the lseek(fd, 0, SEEK_CUR) + * position-querying operation. Avoid rewriting the "same" + * f_pos value back to the file because a concurrent read(), + * write() or lseek() might have altered it + */ + if (offset == 0) + return file->f_pos; offset += file->f_pos; break; } @@ -105,6 +113,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) offset += i_size_read(file->f_path.dentry->d_inode); break; case SEEK_CUR: + if (offset == 0) { + retval = file->f_pos; + goto out; + } offset += file->f_pos; } retval = -EINVAL; @@ -115,6 +127,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) } retval = offset; } +out: unlock_kernel(); return retval; } diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 145c2d3e5e0..55fce92cdf1 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1782,6 +1782,12 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, goto out_bad_inode; } args.objectid = inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid); + if (old_format_only(sb)) + make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET, + TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT); + else + make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET, + TYPE_STAT_DATA, SD_SIZE, MAX_US_INT); memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE); args.dirid = le32_to_cpu(ih.ih_key.k_dir_id); if (insert_inode_locked4(inode, args.objectid, @@ -1834,13 +1840,6 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, reiserfs_init_acl_default(inode); reiserfs_init_xattr_rwsem(inode); - if (old_format_only(sb)) - make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET, - TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT); - else - make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET, - TYPE_STAT_DATA, SD_SIZE, MAX_US_INT); - /* key to search for correct place for new stat data */ _make_cpu_key(&key, KEY_FORMAT_3_6, le32_to_cpu(ih.ih_key.k_dir_id), le32_to_cpu(ih.ih_key.k_objectid), SD_OFFSET, @@ -2561,7 +2560,7 @@ static int reiserfs_write_begin(struct file *file, } index = pos >> PAGE_CACHE_SHIFT; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 663a91f5dce..c55651f1407 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -649,6 +649,8 @@ static struct dquot_operations reiserfs_quota_operations = { .release_dquot = reiserfs_release_dquot, .mark_dirty = reiserfs_mark_dquot_dirty, .write_info = reiserfs_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops reiserfs_qctl_operations = { @@ -994,8 +996,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin if (c == 'u' || c == 'g') { int qtype = c == 'u' ? USRQUOTA : GRPQUOTA; - if ((sb_any_quota_enabled(s) || - sb_any_quota_suspended(s)) && + if (sb_any_quota_loaded(s) && (!*arg != !REISERFS_SB(s)->s_qf_names[qtype])) { reiserfs_warning(s, "reiserfs_parse_options: cannot change journaled quota options when quota turned on."); @@ -1041,8 +1042,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin "reiserfs_parse_options: unknown quota format specified."); return 0; } - if ((sb_any_quota_enabled(s) || - sb_any_quota_suspended(s)) && + if (sb_any_quota_loaded(s) && *qfmt != REISERFS_SB(s)->s_jquota_fmt) { reiserfs_warning(s, "reiserfs_parse_options: cannot change journaled quota options when quota turned on."); @@ -1067,7 +1067,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin } /* This checking is not precise wrt the quota type but for our purposes it is sufficient */ if (!(*mount_options & (1 << REISERFS_QUOTA)) - && sb_any_quota_enabled(s)) { + && sb_any_quota_loaded(s)) { reiserfs_warning(s, "reiserfs_parse_options: quota options must be present when quota is turned on."); return 0; diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c index 60d2f822e87..c97d4c93171 100644 --- a/fs/romfs/inode.c +++ b/fs/romfs/inode.c @@ -524,7 +524,6 @@ romfs_iget(struct super_block *sb, unsigned long ino) i->i_size = be32_to_cpu(ri.size); i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0; i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0; - i->i_uid = i->i_gid = 0; /* Precalculate the data offset */ ino = romfs_strnlen(i, ino+ROMFH_SIZE, ROMFS_MAXFN); diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c index e4f8d51a555..92d5e8ffb63 100644 --- a/fs/smbfs/file.c +++ b/fs/smbfs/file.c @@ -297,7 +297,7 @@ static int smb_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata) { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; diff --git a/fs/stat.c b/fs/stat.c index 7c46fbeb8b7..7e12a6f8279 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -305,7 +305,7 @@ asmlinkage long sys_readlinkat(int dfd, const char __user *pathname, struct inode *inode = path.dentry->d_inode; error = -EINVAL; - if (inode->i_op && inode->i_op->readlink) { + if (inode->i_op->readlink) { error = security_inode_readlink(path.dentry); if (!error) { touch_atime(path.mnt, path.dentry); diff --git a/fs/sync.c b/fs/sync.c index 2967562d416..0921d6d4b5e 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -75,14 +75,39 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync) return ret; } -long do_fsync(struct file *file, int datasync) +/** + * vfs_fsync - perform a fsync or fdatasync on a file + * @file: file to sync + * @dentry: dentry of @file + * @data: only perform a fdatasync operation + * + * Write back data and metadata for @file to disk. If @datasync is + * set only metadata needed to access modified file data is written. + * + * In case this function is called from nfsd @file may be %NULL and + * only @dentry is set. This can only happen when the filesystem + * implements the export_operations API. + */ +int vfs_fsync(struct file *file, struct dentry *dentry, int datasync) { - int ret; - int err; - struct address_space *mapping = file->f_mapping; + const struct file_operations *fop; + struct address_space *mapping; + int err, ret; + + /* + * Get mapping and operations from the file in case we have + * as file, or get the default values for them in case we + * don't have a struct file available. Damn nfsd.. + */ + if (file) { + mapping = file->f_mapping; + fop = file->f_op; + } else { + mapping = dentry->d_inode->i_mapping; + fop = dentry->d_inode->i_fop; + } - if (!file->f_op || !file->f_op->fsync) { - /* Why? We can still call filemap_fdatawrite */ + if (!fop || !fop->fsync) { ret = -EINVAL; goto out; } @@ -94,7 +119,7 @@ long do_fsync(struct file *file, int datasync) * livelocks in fsync_buffers_list(). */ mutex_lock(&mapping->host->i_mutex); - err = file->f_op->fsync(file, file->f_path.dentry, datasync); + err = fop->fsync(file, dentry, datasync); if (!ret) ret = err; mutex_unlock(&mapping->host->i_mutex); @@ -104,15 +129,16 @@ long do_fsync(struct file *file, int datasync) out: return ret; } +EXPORT_SYMBOL(vfs_fsync); -static long __do_fsync(unsigned int fd, int datasync) +static int do_fsync(unsigned int fd, int datasync) { struct file *file; int ret = -EBADF; file = fget(fd); if (file) { - ret = do_fsync(file, datasync); + ret = vfs_fsync(file, file->f_path.dentry, datasync); fput(file); } return ret; @@ -120,12 +146,12 @@ static long __do_fsync(unsigned int fd, int datasync) asmlinkage long sys_fsync(unsigned int fd) { - return __do_fsync(fd, 0); + return do_fsync(fd, 0); } asmlinkage long sys_fdatasync(unsigned int fd) { - return __do_fsync(fd, 1); + return do_fsync(fd, 1); } /* diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index eb53c632f85..dfa3d94cfc7 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -107,8 +107,6 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr) static inline void set_default_inode_attr(struct inode * inode, mode_t mode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } @@ -149,7 +147,6 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode) { struct bin_attribute *bin_attr; - inode->i_blocks = 0; inode->i_mapping->a_ops = &sysfs_aops; inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; inode->i_op = &sysfs_inode_operations; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index fe82d2464d4..bf37374567f 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -219,7 +219,8 @@ static void release_existing_page_budget(struct ubifs_info *c) } static int write_begin_slow(struct address_space *mapping, - loff_t pos, unsigned len, struct page **pagep) + loff_t pos, unsigned len, struct page **pagep, + unsigned flags) { struct inode *inode = mapping->host; struct ubifs_info *c = inode->i_sb->s_fs_info; @@ -247,7 +248,7 @@ static int write_begin_slow(struct address_space *mapping, if (unlikely(err)) return err; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (unlikely(!page)) { ubifs_release_budget(c, &req); return -ENOMEM; @@ -438,7 +439,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, return -EROFS; /* Try out the fast-path part first */ - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (unlikely(!page)) return -ENOMEM; @@ -483,7 +484,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, unlock_page(page); page_cache_release(page); - return write_begin_slow(mapping, pos, len, pagep); + return write_begin_slow(mapping, pos, len, pagep, flags); } /* diff --git a/fs/xattr.c b/fs/xattr.c index 468377e6653..237804cd6b5 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -175,7 +175,7 @@ vfs_listxattr(struct dentry *d, char *list, size_t size) if (error) return error; error = -EOPNOTSUPP; - if (d->d_inode->i_op && d->d_inode->i_op->listxattr) { + if (d->d_inode->i_op->listxattr) { error = d->d_inode->i_op->listxattr(d, list, size); } else { error = security_inode_listsecurity(d->d_inode, list, size); diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 95ac82340c3..39da666067b 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -56,8 +56,6 @@ header-y += dlm_device.h header-y += dlm_netlink.h header-y += dm-ioctl.h header-y += dn.h -header-y += dqblk_v1.h -header-y += dqblk_v2.h header-y += dqblk_xfs.h header-y += efs_fs_sb.h header-y += elf-fdpic.h @@ -134,8 +132,6 @@ header-y += posix_types.h header-y += ppdev.h header-y += prctl.h header-y += qnxtypes.h -header-y += quotaio_v1.h -header-y += quotaio_v2.h header-y += radeonfb.h header-y += raw.h header-y += resource.h diff --git a/include/linux/audit.h b/include/linux/audit.h index 26c4f6f65a4..67e5dbfc296 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -247,6 +247,18 @@ #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) +enum { + Audit_equal, + Audit_not_equal, + Audit_bitmask, + Audit_bittest, + Audit_lt, + Audit_gt, + Audit_le, + Audit_ge, + Audit_bad +}; + /* Status symbols */ /* Mask values */ #define AUDIT_STATUS_ENABLED 0x0001 @@ -373,6 +385,8 @@ struct audit_krule { struct audit_watch *watch; /* associated watch */ struct audit_tree *tree; /* associated watched tree */ struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ + struct list_head list; /* for AUDIT_LIST* purposes only */ + u64 prio; }; struct audit_field { @@ -443,70 +457,56 @@ extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); #define audit_get_loginuid(t) ((t)->loginuid) #define audit_get_sessionid(t) ((t)->sessionid) extern void audit_log_task_context(struct audit_buffer *ab); -extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); -extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); +extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); +extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); extern int audit_bprm(struct linux_binprm *bprm); -extern int audit_socketcall(int nargs, unsigned long *args); +extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); -extern int __audit_fd_pair(int fd1, int fd2); +extern void __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); -extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); -extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); -extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout); -extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); -extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); +extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr); +extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); +extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); +extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, const struct cred *new, const struct cred *old); -extern int __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); +extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); -static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) +static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) { if (unlikely(!audit_dummy_context())) - return __audit_ipc_obj(ipcp); - return 0; -} -static inline int audit_fd_pair(int fd1, int fd2) -{ - if (unlikely(!audit_dummy_context())) - return __audit_fd_pair(fd1, fd2); - return 0; + __audit_ipc_obj(ipcp); } -static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +static inline void audit_fd_pair(int fd1, int fd2) { if (unlikely(!audit_dummy_context())) - return __audit_ipc_set_perm(qbytes, uid, gid, mode); - return 0; + __audit_fd_pair(fd1, fd2); } -static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) +static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) { if (unlikely(!audit_dummy_context())) - return __audit_mq_open(oflag, mode, u_attr); - return 0; + __audit_ipc_set_perm(qbytes, uid, gid, mode); } -static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) +static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) { if (unlikely(!audit_dummy_context())) - return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); - return 0; + __audit_mq_open(oflag, mode, attr); } -static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout) +static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) { if (unlikely(!audit_dummy_context())) - return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); - return 0; + __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); } -static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) +static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) { if (unlikely(!audit_dummy_context())) - return __audit_mq_notify(mqdes, u_notification); - return 0; + __audit_mq_notify(mqdes, notification); } -static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) +static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) { if (unlikely(!audit_dummy_context())) - return __audit_mq_getsetattr(mqdes, mqstat); - return 0; + __audit_mq_getsetattr(mqdes, mqstat); } static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, @@ -518,12 +518,11 @@ static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, return 0; } -static inline int audit_log_capset(pid_t pid, const struct cred *new, +static inline void audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old) { if (unlikely(!audit_dummy_context())) - return __audit_log_capset(pid, new, old); - return 0; + __audit_log_capset(pid, new, old); } extern int audit_n_rules; @@ -546,20 +545,19 @@ extern int audit_signals; #define audit_get_loginuid(t) (-1) #define audit_get_sessionid(t) (-1) #define audit_log_task_context(b) do { ; } while (0) -#define audit_ipc_obj(i) ({ 0; }) -#define audit_ipc_set_perm(q,u,g,m) ({ 0; }) +#define audit_ipc_obj(i) ((void)0) +#define audit_ipc_set_perm(q,u,g,m) ((void)0) #define audit_bprm(p) ({ 0; }) -#define audit_socketcall(n,a) ({ 0; }) -#define audit_fd_pair(n,a) ({ 0; }) +#define audit_socketcall(n,a) ((void)0) +#define audit_fd_pair(n,a) ((void)0) #define audit_sockaddr(len, addr) ({ 0; }) #define audit_set_macxattr(n) do { ; } while (0) -#define audit_mq_open(o,m,a) ({ 0; }) -#define audit_mq_timedsend(d,l,p,t) ({ 0; }) -#define audit_mq_timedreceive(d,l,p,t) ({ 0; }) -#define audit_mq_notify(d,n) ({ 0; }) -#define audit_mq_getsetattr(d,s) ({ 0; }) +#define audit_mq_open(o,m,a) ((void)0) +#define audit_mq_sendrecv(d,l,p,t) ((void)0) +#define audit_mq_notify(d,n) ((void)0) +#define audit_mq_getsetattr(d,s) ((void)0) #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) -#define audit_log_capset(pid, ncr, ocr) ({ 0; }) +#define audit_log_capset(pid, ncr, ocr) ((void)0) #define audit_ptrace(t) ((void)0) #define audit_n_rules 0 #define audit_signals 0 diff --git a/include/linux/blockgroup_lock.h b/include/linux/blockgroup_lock.h index 8607312983b..e44b88ba552 100644 --- a/include/linux/blockgroup_lock.h +++ b/include/linux/blockgroup_lock.h @@ -53,7 +53,10 @@ static inline void bgl_lock_init(struct blockgroup_lock *bgl) * The accessor is a macro so we can embed a blockgroup_lock into different * superblock types */ -#define sb_bgl_lock(sb, block_group) \ - (&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock) +static inline spinlock_t * +bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group) +{ + return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock; +} #endif diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 1ee608fd7b7..484b3abf61b 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -234,6 +234,7 @@ struct cpufreq_driver { int (*suspend) (struct cpufreq_policy *policy, pm_message_t pmsg); int (*resume) (struct cpufreq_policy *policy); struct freq_attr **attr; + bool hide_interface; }; /* flags */ diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h index 136f170cecc..af1dab41674 100644 --- a/include/linux/dma_remapping.h +++ b/include/linux/dma_remapping.h @@ -17,7 +17,15 @@ struct dmar_domain; struct root_entry; extern void free_dmar_iommu(struct intel_iommu *iommu); + +#ifdef CONFIG_DMAR extern int iommu_calculate_agaw(struct intel_iommu *iommu); +#else +static inline int iommu_calculate_agaw(struct intel_iommu *iommu) +{ + return 0; +} +#endif extern int dmar_disabled; diff --git a/include/linux/dqblk_qtree.h b/include/linux/dqblk_qtree.h new file mode 100644 index 00000000000..82a16527b36 --- /dev/null +++ b/include/linux/dqblk_qtree.h @@ -0,0 +1,56 @@ +/* + * Definitions of structures and functions for quota formats using trie + */ + +#ifndef _LINUX_DQBLK_QTREE_H +#define _LINUX_DQBLK_QTREE_H + +#include <linux/types.h> + +/* Numbers of blocks needed for updates - we count with the smallest + * possible block size (1024) */ +#define QTREE_INIT_ALLOC 4 +#define QTREE_INIT_REWRITE 2 +#define QTREE_DEL_ALLOC 0 +#define QTREE_DEL_REWRITE 6 + +struct dquot; + +/* Operations */ +struct qtree_fmt_operations { + void (*mem2disk_dqblk)(void *disk, struct dquot *dquot); /* Convert given entry from in memory format to disk one */ + void (*disk2mem_dqblk)(struct dquot *dquot, void *disk); /* Convert given entry from disk format to in memory one */ + int (*is_id)(void *disk, struct dquot *dquot); /* Is this structure for given id? */ +}; + +/* Inmemory copy of version specific information */ +struct qtree_mem_dqinfo { + struct super_block *dqi_sb; /* Sb quota is on */ + int dqi_type; /* Quota type */ + unsigned int dqi_blocks; /* # of blocks in quota file */ + unsigned int dqi_free_blk; /* First block in list of free blocks */ + unsigned int dqi_free_entry; /* First block with free entry */ + unsigned int dqi_blocksize_bits; /* Block size of quota file */ + unsigned int dqi_entry_size; /* Size of quota entry in quota file */ + unsigned int dqi_usable_bs; /* Space usable in block for quota data */ + unsigned int dqi_qtree_depth; /* Precomputed depth of quota tree */ + struct qtree_fmt_operations *dqi_ops; /* Operations for entry manipulation */ +}; + +int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk); +static inline int qtree_depth(struct qtree_mem_dqinfo *info) +{ + unsigned int epb = info->dqi_usable_bs >> 2; + unsigned long long entries = epb; + int i; + + for (i = 1; entries < (1ULL << 32); i++) + entries *= epb; + return i; +} + +#endif /* _LINUX_DQBLK_QTREE_H */ diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h index 57f1250d5a5..3713a7232dd 100644 --- a/include/linux/dqblk_v1.h +++ b/include/linux/dqblk_v1.h @@ -5,9 +5,6 @@ #ifndef _LINUX_DQBLK_V1_H #define _LINUX_DQBLK_V1_H -/* Id of quota format */ -#define QFMT_VFS_OLD 1 - /* Root squash turned on */ #define V1_DQF_RSQUASH 1 @@ -17,8 +14,4 @@ #define V1_DEL_ALLOC 0 #define V1_DEL_REWRITE 2 -/* Special information about quotafile */ -struct v1_mem_dqinfo { -}; - #endif /* _LINUX_DQBLK_V1_H */ diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h index 4f853322cb7..18000a54267 100644 --- a/include/linux/dqblk_v2.h +++ b/include/linux/dqblk_v2.h @@ -1,26 +1,16 @@ /* - * Definitions of structures for vfsv0 quota format + * Definitions for vfsv0 quota format */ #ifndef _LINUX_DQBLK_V2_H #define _LINUX_DQBLK_V2_H -#include <linux/types.h> - -/* id numbers of quota format */ -#define QFMT_VFS_V0 2 +#include <linux/dqblk_qtree.h> /* Numbers of blocks needed for updates */ -#define V2_INIT_ALLOC 4 -#define V2_INIT_REWRITE 2 -#define V2_DEL_ALLOC 0 -#define V2_DEL_REWRITE 6 - -/* Inmemory copy of version specific information */ -struct v2_mem_dqinfo { - unsigned int dqi_blocks; - unsigned int dqi_free_blk; - unsigned int dqi_free_entry; -}; +#define V2_INIT_ALLOC QTREE_INIT_ALLOC +#define V2_INIT_REWRITE QTREE_INIT_REWRITE +#define V2_DEL_ALLOC QTREE_DEL_ALLOC +#define V2_DEL_REWRITE QTREE_DEL_REWRITE #endif /* _LINUX_DQBLK_V2_H */ diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h index f273415ab6f..dc541f3653d 100644 --- a/include/linux/ext2_fs_sb.h +++ b/include/linux/ext2_fs_sb.h @@ -108,4 +108,10 @@ struct ext2_sb_info { struct ext2_reserve_window_node s_rsv_window_head; }; +static inline spinlock_t * +sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _LINUX_EXT2_FS_SB */ diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h index b65f0288b84..e024e38248f 100644 --- a/include/linux/ext3_fs_sb.h +++ b/include/linux/ext3_fs_sb.h @@ -83,4 +83,10 @@ struct ext3_sb_info { #endif }; +static inline spinlock_t * +sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _LINUX_EXT3_FS_SB */ diff --git a/include/linux/fs.h b/include/linux/fs.h index e2170ee21e1..fb59673c60b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -423,6 +423,9 @@ enum positive_aop_returns { #define AOP_FLAG_UNINTERRUPTIBLE 0x0001 /* will not do a short write */ #define AOP_FLAG_CONT_EXPAND 0x0002 /* called from cont_expand */ +#define AOP_FLAG_NOFS 0x0004 /* used by filesystem to direct + * helper code (eg buffer layer) + * to clear GFP_FS from alloc */ /* * oh the beauties of C type declarations. @@ -1827,7 +1830,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping, extern int filemap_fdatawrite_range(struct address_space *mapping, loff_t start, loff_t end); -extern long do_fsync(struct file *file, int datasync); +extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync); extern void sync_supers(void); extern void sync_filesystems(int wait); extern void __fsync_super(struct super_block *sb); @@ -2035,7 +2038,7 @@ extern int page_readlink(struct dentry *, char __user *, int); extern void *page_follow_link_light(struct dentry *, struct nameidata *); extern void page_put_link(struct dentry *, struct nameidata *, void *); extern int __page_symlink(struct inode *inode, const char *symname, int len, - gfp_t gfp_mask); + int nofs); extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern int generic_readlink(struct dentry *, char __user *, int); @@ -2056,6 +2059,9 @@ extern int vfs_fstat(unsigned int, struct kstat *); extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg); +extern int __generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block); extern int generic_block_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len, get_block_t *get_block); diff --git a/include/linux/hid.h b/include/linux/hid.h index e5780f8c934..81aa84d60c6 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -403,15 +403,6 @@ struct hid_output_fifo { #define HID_STAT_ADDED 1 #define HID_STAT_PARSED 2 -#define HID_CTRL_RUNNING 1 -#define HID_OUT_RUNNING 2 -#define HID_IN_RUNNING 3 -#define HID_RESET_PENDING 4 -#define HID_SUSPENDED 5 -#define HID_CLEAR_HALT 6 -#define HID_DISCONNECTED 7 -#define HID_STARTED 8 - struct hid_input { struct list_head list; struct hid_report *report; @@ -540,6 +531,8 @@ struct hid_usage_id { * @name: driver name (e.g. "Footech_bar-wheel") * @id_table: which devices is this driver for (must be non-NULL for probe * to be called) + * @dyn_list: list of dynamically added device ids + * @dyn_lock: lock protecting @dyn_list * @probe: new device inserted * @remove: device removed (NULL if not a hot-plug capable driver) * @report_table: on which reports to call raw_event (NULL means all) @@ -567,6 +560,9 @@ struct hid_driver { char *name; const struct hid_device_id *id_table; + struct list_head dyn_list; + spinlock_t dyn_lock; + int (*probe)(struct hid_device *dev, const struct hid_device_id *id); void (*remove)(struct hid_device *dev); @@ -797,6 +793,8 @@ dbg_hid(const char *fmt, ...) #ifdef CONFIG_HID_COMPAT #define HID_COMPAT_LOAD_DRIVER(name) \ +/* prototype to avoid sparse warning */ \ +extern void hid_compat_##name(void); \ void hid_compat_##name(void) { } \ EXPORT_SYMBOL(hid_compat_##name) #else diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h index dbb5c8c374f..dd8d6926917 100644 --- a/include/linux/hidraw.h +++ b/include/linux/hidraw.h @@ -33,6 +33,8 @@ struct hidraw_devinfo { #define HIDIOCGRDESCSIZE _IOR('H', 0x01, int) #define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor) #define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo) +#define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len) +#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len) #define HIDRAW_FIRST_MINOR 0 #define HIDRAW_MAX_DEVICES 64 diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index c7d106ef22e..34456476e76 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -329,6 +329,7 @@ enum jbd_state_bits { BH_State, /* Pins most journal_head state */ BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ }; BUFFER_FNS(JBD, jbd) @@ -1007,6 +1008,35 @@ int __jbd2_journal_clean_checkpoint_list(journal_t *journal); int __jbd2_journal_remove_checkpoint(struct journal_head *); void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *); + +/* + * Triggers + */ + +struct jbd2_buffer_trigger_type { + /* + * Fired just before a buffer is written to the journal. + * mapped_data is a mapped buffer that is the frozen data for + * commit. + */ + void (*t_commit)(struct jbd2_buffer_trigger_type *type, + struct buffer_head *bh, void *mapped_data, + size_t size); + + /* + * Fired during journal abort for dirty buffers that will not be + * committed. + */ + void (*t_abort)(struct jbd2_buffer_trigger_type *type, + struct buffer_head *bh); +}; + +extern void jbd2_buffer_commit_trigger(struct journal_head *jh, + void *mapped_data, + struct jbd2_buffer_trigger_type *triggers); +extern void jbd2_buffer_abort_trigger(struct journal_head *jh, + struct jbd2_buffer_trigger_type *triggers); + /* Buffer IO */ extern int jbd2_journal_write_metadata_buffer(transaction_t *transaction, @@ -1045,6 +1075,8 @@ extern int jbd2_journal_extend (handle_t *, int nblocks); extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); extern int jbd2_journal_get_undo_access(handle_t *, struct buffer_head *); +void jbd2_journal_set_triggers(struct buffer_head *, + struct jbd2_buffer_trigger_type *type); extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); extern void jbd2_journal_release_buffer (handle_t *, struct buffer_head *); extern int jbd2_journal_forget (handle_t *, struct buffer_head *); diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h index bb70ebb6a2d..525aac3c97d 100644 --- a/include/linux/journal-head.h +++ b/include/linux/journal-head.h @@ -12,6 +12,8 @@ typedef unsigned int tid_t; /* Unique transaction ID */ typedef struct transaction_s transaction_t; /* Compound transaction type */ + + struct buffer_head; struct journal_head { @@ -87,6 +89,12 @@ struct journal_head { * [j_list_lock] */ struct journal_head *b_cpnext, *b_cpprev; + + /* Trigger type */ + struct jbd2_buffer_trigger_type *b_triggers; + + /* Trigger type for the committing transaction's frozen data */ + struct jbd2_buffer_trigger_type *b_frozen_triggers; }; #endif /* JOURNAL_HEAD_H_INCLUDED */ diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index eb103395748..c1f40c2f7ff 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -13,6 +13,9 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, char *secstrings, struct module *mod); +/* Additional bytes needed by arch in front of individual sections */ +unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section); + /* Allocator used for allocating struct module, core sections and init sections. Returns NULL on failure. */ void *module_alloc(unsigned long size); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 41e1224651c..c28bbba3c23 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -313,10 +313,11 @@ struct napi_struct { #ifdef CONFIG_NETPOLL spinlock_t poll_lock; int poll_owner; - struct net_device *dev; #endif + struct net_device *dev; struct list_head dev_list; struct sk_buff *gro_list; + struct sk_buff *skb; }; enum @@ -990,6 +991,9 @@ struct napi_gro_cb { /* Number of segments aggregated. */ int count; + + /* Free the skb? */ + int free; }; #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb) @@ -1011,6 +1015,14 @@ struct packet_type { struct list_head list; }; +struct napi_gro_fraginfo { + skb_frag_t frags[MAX_SKB_FRAGS]; + unsigned int nr_frags; + unsigned int ip_summed; + unsigned int len; + __wsum csum; +}; + #include <linux/interrupt.h> #include <linux/notifier.h> @@ -1363,6 +1375,8 @@ extern int netif_receive_skb(struct sk_buff *skb); extern void napi_gro_flush(struct napi_struct *napi); extern int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); +extern int napi_gro_frags(struct napi_struct *napi, + struct napi_gro_fraginfo *info); extern void netif_nit_deliver(struct sk_buff *skb); extern int dev_valid_name(const char *name); extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *); diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 709742be02f..01ca0856caf 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -241,7 +241,8 @@ unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start, unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index, int tag, unsigned int nr_pages, struct page **pages); -struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index); +struct page *grab_cache_page_write_begin(struct address_space *mapping, + pgoff_t index, unsigned flags); /* * Returns locked page at given index in given cache, creating it if needed. diff --git a/include/linux/quota.h b/include/linux/quota.h index 40401b55448..d72d5d84fde 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -36,17 +36,7 @@ #include <linux/errno.h> #include <linux/types.h> -#define __DQUOT_VERSION__ "dquot_6.5.1" -#define __DQUOT_NUM_VERSION__ 6*10000+5*100+1 - -/* Size of blocks in which are counted size limits */ -#define QUOTABLOCK_BITS 10 -#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) - -/* Conversion routines from and to quota blocks */ -#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10)) -#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10)) -#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS) +#define __DQUOT_VERSION__ "dquot_6.5.2" #define MAXQUOTAS 2 #define USRQUOTA 0 /* element used for user quotas */ @@ -80,16 +70,34 @@ #define Q_GETQUOTA 0x800007 /* get user quota structure */ #define Q_SETQUOTA 0x800008 /* set user quota structure */ +/* Quota format type IDs */ +#define QFMT_VFS_OLD 1 +#define QFMT_VFS_V0 2 + +/* Size of block in which space limits are passed through the quota + * interface */ +#define QIF_DQBLKSIZE_BITS 10 +#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS) + /* * Quota structure used for communication with userspace via quotactl * Following flags are used to specify which fields are valid */ -#define QIF_BLIMITS 1 -#define QIF_SPACE 2 -#define QIF_ILIMITS 4 -#define QIF_INODES 8 -#define QIF_BTIME 16 -#define QIF_ITIME 32 +enum { + QIF_BLIMITS_B = 0, + QIF_SPACE_B, + QIF_ILIMITS_B, + QIF_INODES_B, + QIF_BTIME_B, + QIF_ITIME_B, +}; + +#define QIF_BLIMITS (1 << QIF_BLIMITS_B) +#define QIF_SPACE (1 << QIF_SPACE_B) +#define QIF_ILIMITS (1 << QIF_ILIMITS_B) +#define QIF_INODES (1 << QIF_INODES_B) +#define QIF_BTIME (1 << QIF_BTIME_B) +#define QIF_ITIME (1 << QIF_ITIME_B) #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS) #define QIF_USAGE (QIF_SPACE | QIF_INODES) #define QIF_TIMES (QIF_BTIME | QIF_ITIME) @@ -172,7 +180,7 @@ enum { #include <asm/atomic.h> typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */ -typedef __u64 qsize_t; /* Type in which we store sizes */ +typedef long long qsize_t; /* Type in which we store sizes */ extern spinlock_t dq_data_lock; @@ -187,12 +195,12 @@ extern spinlock_t dq_data_lock; * Data for one user/group kept in memory */ struct mem_dqblk { - __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */ - __u32 dqb_bsoftlimit; /* preferred limit on disk blks */ + qsize_t dqb_bhardlimit; /* absolute limit on disk blks alloc */ + qsize_t dqb_bsoftlimit; /* preferred limit on disk blks */ qsize_t dqb_curspace; /* current used space */ - __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */ - __u32 dqb_isoftlimit; /* preferred inode limit */ - __u32 dqb_curinodes; /* current # allocated inodes */ + qsize_t dqb_ihardlimit; /* absolute limit on allocated inodes */ + qsize_t dqb_isoftlimit; /* preferred inode limit */ + qsize_t dqb_curinodes; /* current # allocated inodes */ time_t dqb_btime; /* time limit for excessive disk use */ time_t dqb_itime; /* time limit for excessive inode use */ }; @@ -212,10 +220,7 @@ struct mem_dqinfo { unsigned int dqi_igrace; qsize_t dqi_maxblimit; qsize_t dqi_maxilimit; - union { - struct v1_mem_dqinfo v1_i; - struct v2_mem_dqinfo v2_i; - } u; + void *dqi_priv; }; struct super_block; @@ -249,6 +254,11 @@ extern struct dqstats dqstats; #define DQ_FAKE_B 3 /* no limits only usage */ #define DQ_READ_B 4 /* dquot was read into memory */ #define DQ_ACTIVE_B 5 /* dquot is active (dquot_release not called) */ +#define DQ_LASTSET_B 6 /* Following 6 bits (see QIF_) are reserved\ + * for the mask of entries set via SETQUOTA\ + * quotactl. They are set under dq_data_lock\ + * and the quota format handling dquot can\ + * clear them when it sees fit. */ struct dquot { struct hlist_node dq_hash; /* Hash list in memory */ @@ -287,11 +297,13 @@ struct dquot_operations { int (*initialize) (struct inode *, int); int (*drop) (struct inode *); int (*alloc_space) (struct inode *, qsize_t, int); - int (*alloc_inode) (const struct inode *, unsigned long); + int (*alloc_inode) (const struct inode *, qsize_t); int (*free_space) (struct inode *, qsize_t); - int (*free_inode) (const struct inode *, unsigned long); + int (*free_inode) (const struct inode *, qsize_t); int (*transfer) (struct inode *, struct iattr *); int (*write_dquot) (struct dquot *); /* Ordinary dquot write */ + struct dquot *(*alloc_dquot)(struct super_block *, int); /* Allocate memory for new dquot */ + void (*destroy_dquot)(struct dquot *); /* Free memory for dquot */ int (*acquire_dquot) (struct dquot *); /* Quota is going to be created on disk */ int (*release_dquot) (struct dquot *); /* Quota is going to be deleted from disk */ int (*mark_dirty) (struct dquot *); /* Dquot is marked dirty */ @@ -320,12 +332,42 @@ struct quota_format_type { struct quota_format_type *qf_next; }; -#define DQUOT_USR_ENABLED 0x01 /* User diskquotas enabled */ -#define DQUOT_GRP_ENABLED 0x02 /* Group diskquotas enabled */ -#define DQUOT_USR_SUSPENDED 0x04 /* User diskquotas are off, but +/* Quota state flags - they actually come in two flavors - for users and groups */ +enum { + _DQUOT_USAGE_ENABLED = 0, /* Track disk usage for users */ + _DQUOT_LIMITS_ENABLED, /* Enforce quota limits for users */ + _DQUOT_SUSPENDED, /* User diskquotas are off, but * we have necessary info in * memory to turn them on */ -#define DQUOT_GRP_SUSPENDED 0x08 /* The same for group quotas */ + _DQUOT_STATE_FLAGS +}; +#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED) +#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED) +#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED) +#define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \ + DQUOT_SUSPENDED) +/* Other quota flags */ +#define DQUOT_QUOTA_SYS_FILE (1 << 6) /* Quota file is a special + * system file and user cannot + * touch it. Filesystem is + * responsible for setting + * S_NOQUOTA, S_NOATIME flags + */ +#define DQUOT_NEGATIVE_USAGE (1 << 7) /* Allow negative quota usage */ + +static inline unsigned int dquot_state_flag(unsigned int flags, int type) +{ + if (type == USRQUOTA) + return flags; + return flags << _DQUOT_STATE_FLAGS; +} + +static inline unsigned int dquot_generic_flag(unsigned int flags, int type) +{ + if (type == USRQUOTA) + return flags; + return flags >> _DQUOT_STATE_FLAGS; +} struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index a558a4c1d35..21b781a3350 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -24,12 +24,21 @@ void sync_dquots(struct super_block *sb, int type); int dquot_initialize(struct inode *inode, int type); int dquot_drop(struct inode *inode); +int dquot_drop_locked(struct inode *inode); +struct dquot *dqget(struct super_block *sb, unsigned int id, int type); +void dqput(struct dquot *dquot); +int dquot_is_cached(struct super_block *sb, unsigned int id, int type); +int dquot_scan_active(struct super_block *sb, + int (*fn)(struct dquot *dquot, unsigned long priv), + unsigned long priv); +struct dquot *dquot_alloc(struct super_block *sb, int type); +void dquot_destroy(struct dquot *dquot); int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc); -int dquot_alloc_inode(const struct inode *inode, unsigned long number); +int dquot_alloc_inode(const struct inode *inode, qsize_t number); int dquot_free_space(struct inode *inode, qsize_t number); -int dquot_free_inode(const struct inode *inode, unsigned long number); +int dquot_free_inode(const struct inode *inode, qsize_t number); int dquot_transfer(struct inode *inode, struct iattr *iattr); int dquot_commit(struct dquot *dquot); @@ -40,11 +49,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot); int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path, int remount); +int vfs_quota_enable(struct inode *inode, int type, int format_id, + unsigned int flags); int vfs_quota_on_path(struct super_block *sb, int type, int format_id, struct path *path); int vfs_quota_on_mount(struct super_block *sb, char *qf_name, int format_id, int type); int vfs_quota_off(struct super_block *sb, int type, int remount); +int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags); int vfs_quota_sync(struct super_block *sb, int type); int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); @@ -64,24 +76,22 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) * Functions for checking status of quota */ -static inline int sb_has_quota_enabled(struct super_block *sb, int type) +static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type) { - if (type == USRQUOTA) - return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED; - return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED; + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_USAGE_ENABLED, type); } -static inline int sb_any_quota_enabled(struct super_block *sb) +static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type) { - return sb_has_quota_enabled(sb, USRQUOTA) || - sb_has_quota_enabled(sb, GRPQUOTA); + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_LIMITS_ENABLED, type); } static inline int sb_has_quota_suspended(struct super_block *sb, int type) { - if (type == USRQUOTA) - return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED; - return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED; + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_SUSPENDED, type); } static inline int sb_any_quota_suspended(struct super_block *sb) @@ -90,6 +100,31 @@ static inline int sb_any_quota_suspended(struct super_block *sb) sb_has_quota_suspended(sb, GRPQUOTA); } +/* Does kernel know about any quota information for given sb + type? */ +static inline int sb_has_quota_loaded(struct super_block *sb, int type) +{ + /* Currently if anything is on, then quota usage is on as well */ + return sb_has_quota_usage_enabled(sb, type); +} + +static inline int sb_any_quota_loaded(struct super_block *sb) +{ + return sb_has_quota_loaded(sb, USRQUOTA) || + sb_has_quota_loaded(sb, GRPQUOTA); +} + +static inline int sb_has_quota_active(struct super_block *sb, int type) +{ + return sb_has_quota_loaded(sb, type) && + !sb_has_quota_suspended(sb, type); +} + +static inline int sb_any_quota_active(struct super_block *sb) +{ + return sb_has_quota_active(sb, USRQUOTA) || + sb_has_quota_active(sb, GRPQUOTA); +} + /* * Operations supported for diskquotas. */ @@ -104,7 +139,7 @@ extern struct quotactl_ops vfs_quotactl_ops; static inline void vfs_dq_init(struct inode *inode) { BUG_ON(!inode->i_sb); - if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) + if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) inode->i_sb->dq_op->initialize(inode, -1); } @@ -112,7 +147,7 @@ static inline void vfs_dq_init(struct inode *inode) * a transaction (deadlocks possible otherwise) */ static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { /* Used space is updated in alloc_space() */ if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA) return 1; @@ -132,7 +167,7 @@ static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr) static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { /* Used space is updated in alloc_space() */ if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA) return 1; @@ -152,7 +187,7 @@ static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr) static inline int vfs_dq_alloc_inode(struct inode *inode) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { vfs_dq_init(inode); if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) return 1; @@ -162,7 +197,7 @@ static inline int vfs_dq_alloc_inode(struct inode *inode) static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) + if (sb_any_quota_active(inode->i_sb)) inode->i_sb->dq_op->free_space(inode, nr); else inode_sub_bytes(inode, nr); @@ -176,7 +211,7 @@ static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr) static inline void vfs_dq_free_inode(struct inode *inode) { - if (sb_any_quota_enabled(inode->i_sb)) + if (sb_any_quota_active(inode->i_sb)) inode->i_sb->dq_op->free_inode(inode, 1); } @@ -197,12 +232,12 @@ static inline int vfs_dq_off(struct super_block *sb, int remount) #else -static inline int sb_has_quota_enabled(struct super_block *sb, int type) +static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type) { return 0; } -static inline int sb_any_quota_enabled(struct super_block *sb) +static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type) { return 0; } @@ -217,6 +252,27 @@ static inline int sb_any_quota_suspended(struct super_block *sb) return 0; } +/* Does kernel know about any quota information for given sb + type? */ +static inline int sb_has_quota_loaded(struct super_block *sb, int type) +{ + return 0; +} + +static inline int sb_any_quota_loaded(struct super_block *sb) +{ + return 0; +} + +static inline int sb_has_quota_active(struct super_block *sb, int type) +{ + return 0; +} + +static inline int sb_any_quota_active(struct super_block *sb) +{ + return 0; +} + /* * NO-OP when quota not configured. */ diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index a916c6660df..355f6e80db0 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -136,7 +136,7 @@ do { \ */ static inline void *radix_tree_deref_slot(void **pslot) { - void *ret = *pslot; + void *ret = rcu_dereference(*pslot); if (unlikely(radix_tree_is_indirect_ptr(ret))) ret = RADIX_TREE_RETRY; return ret; diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 91f597ad6ac..4046b75563c 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -145,6 +145,8 @@ struct rtc_class_ops { int (*irq_set_state)(struct device *, int enabled); int (*irq_set_freq)(struct device *, int freq); int (*read_callback)(struct device *, int data); + int (*alarm_irq_enable)(struct device *, unsigned int enabled); + int (*update_irq_enable)(struct device *, unsigned int enabled); }; #define RTC_DEVICE_NAME_SIZE 20 @@ -181,7 +183,7 @@ struct rtc_device struct timer_list uie_timer; /* Those fields are protected by rtc->irq_lock */ unsigned int oldsecs; - unsigned int irq_active:1; + unsigned int uie_irq_active:1; unsigned int stop_uie_polling:1; unsigned int uie_task_active:1; unsigned int uie_timer_active:1; @@ -216,6 +218,10 @@ extern int rtc_irq_set_state(struct rtc_device *rtc, struct rtc_task *task, int enabled); extern int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq); +extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled); +extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled); +extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, + unsigned int enabled); typedef struct rtc_task { void (*func)(void *private_data); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 4be01bb4437..82229317753 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -19,6 +19,8 @@ #ifndef __LINUX_SPI_H #define __LINUX_SPI_H +#include <linux/device.h> + /* * INTERFACES between SPI master-side drivers and SPI infrastructure. * (There's no SPI slave support for Linux yet...) diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 74d59a64136..baba3a23a81 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -35,6 +35,24 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); * won't come or go while it's being called. Used by hotplug cpu. */ int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); + +/** + * stop_machine_create: create all stop_machine threads + * + * Description: This causes all stop_machine threads to be created before + * stop_machine actually gets called. This can be used by subsystems that + * need a non failing stop_machine infrastructure. + */ +int stop_machine_create(void); + +/** + * stop_machine_destroy: destroy all stop_machine threads + * + * Description: This causes all stop_machine threads which were created with + * stop_machine_create to be destroyed again. + */ +void stop_machine_destroy(void); + #else static inline int stop_machine(int (*fn)(void *), void *data, @@ -46,5 +64,9 @@ static inline int stop_machine(int (*fn)(void *), void *data, local_irq_enable(); return ret; } + +static inline int stop_machine_create(void) { return 0; } +static inline void stop_machine_destroy(void) { } + #endif /* CONFIG_SMP */ #endif /* _LINUX_STOP_MACHINE */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 04fb47bfb92..18d0a243a7b 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -549,7 +549,7 @@ asmlinkage long sys_inotify_init(void); asmlinkage long sys_inotify_init1(int flags); asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask); -asmlinkage long sys_inotify_rm_watch(int fd, u32 wd); +asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus); diff --git a/include/net/ndisc.h b/include/net/ndisc.h index ce532f2222c..1459ed3e269 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -155,9 +155,9 @@ static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const s { if (dev) - return __neigh_lookup(&nd_tbl, addr, dev, 1); + return __neigh_lookup_errno(&nd_tbl, addr, dev); - return NULL; + return ERR_PTR(-ENODEV); } diff --git a/init/Kconfig b/init/Kconfig index f6281711166..52847eec739 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -916,12 +916,6 @@ config MODULE_SRCVERSION_ALL the version). With this option, such a "srcversion" field will be created for all modules. If unsure, say N. -config KMOD - def_bool y - help - This is being removed soon. These days, CONFIG_MODULES - implies CONFIG_KMOD, so use that instead. - endif # MODULES config INIT_ALL_POSSIBLE diff --git a/ipc/mqueue.c b/ipc/mqueue.c index d9393f8e4c3..eddb6247a55 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -120,7 +120,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mtime = inode->i_ctime = inode->i_atime = CURRENT_TIME; @@ -524,31 +523,27 @@ static void __do_notify(struct mqueue_inode_info *info) wake_up(&info->wait_q); } -static long prepare_timeout(const struct timespec __user *u_arg) +static long prepare_timeout(struct timespec *p) { - struct timespec ts, nowts; + struct timespec nowts; long timeout; - if (u_arg) { - if (unlikely(copy_from_user(&ts, u_arg, - sizeof(struct timespec)))) - return -EFAULT; - - if (unlikely(ts.tv_nsec < 0 || ts.tv_sec < 0 - || ts.tv_nsec >= NSEC_PER_SEC)) + if (p) { + if (unlikely(p->tv_nsec < 0 || p->tv_sec < 0 + || p->tv_nsec >= NSEC_PER_SEC)) return -EINVAL; nowts = CURRENT_TIME; /* first subtract as jiffies can't be too big */ - ts.tv_sec -= nowts.tv_sec; - if (ts.tv_nsec < nowts.tv_nsec) { - ts.tv_nsec += NSEC_PER_SEC; - ts.tv_sec--; + p->tv_sec -= nowts.tv_sec; + if (p->tv_nsec < nowts.tv_nsec) { + p->tv_nsec += NSEC_PER_SEC; + p->tv_sec--; } - ts.tv_nsec -= nowts.tv_nsec; - if (ts.tv_sec < 0) + p->tv_nsec -= nowts.tv_nsec; + if (p->tv_sec < 0) return 0; - timeout = timespec_to_jiffies(&ts) + 1; + timeout = timespec_to_jiffies(p) + 1; } else return MAX_SCHEDULE_TIMEOUT; @@ -592,22 +587,18 @@ static int mq_attr_ok(struct mq_attr *attr) * Invoked when creating a new queue via sys_mq_open */ static struct file *do_create(struct dentry *dir, struct dentry *dentry, - int oflag, mode_t mode, struct mq_attr __user *u_attr) + int oflag, mode_t mode, struct mq_attr *attr) { const struct cred *cred = current_cred(); - struct mq_attr attr; struct file *result; int ret; - if (u_attr) { - ret = -EFAULT; - if (copy_from_user(&attr, u_attr, sizeof(attr))) - goto out; + if (attr) { ret = -EINVAL; - if (!mq_attr_ok(&attr)) + if (!mq_attr_ok(attr)) goto out; /* store for use during create */ - dentry->d_fsdata = &attr; + dentry->d_fsdata = attr; } mode &= ~current->fs->umask; @@ -664,11 +655,13 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, struct dentry *dentry; struct file *filp; char *name; + struct mq_attr attr; int fd, error; - error = audit_mq_open(oflag, mode, u_attr); - if (error != 0) - return error; + if (u_attr && copy_from_user(&attr, u_attr, sizeof(struct mq_attr))) + return -EFAULT; + + audit_mq_open(oflag, mode, u_attr ? &attr : NULL); if (IS_ERR(name = getname(u_name))) return PTR_ERR(name); @@ -694,7 +687,8 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, filp = do_open(dentry, oflag); } else { filp = do_create(mqueue_mnt->mnt_root, dentry, - oflag, mode, u_attr); + oflag, mode, + u_attr ? &attr : NULL); } } else { error = -ENOENT; @@ -829,17 +823,22 @@ asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr, struct ext_wait_queue *receiver; struct msg_msg *msg_ptr; struct mqueue_inode_info *info; + struct timespec ts, *p = NULL; long timeout; int ret; - ret = audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); - if (ret != 0) - return ret; + if (u_abs_timeout) { + if (copy_from_user(&ts, u_abs_timeout, + sizeof(struct timespec))) + return -EFAULT; + p = &ts; + } if (unlikely(msg_prio >= (unsigned long) MQ_PRIO_MAX)) return -EINVAL; - timeout = prepare_timeout(u_abs_timeout); + audit_mq_sendrecv(mqdes, msg_len, msg_prio, p); + timeout = prepare_timeout(p); ret = -EBADF; filp = fget(mqdes); @@ -918,12 +917,17 @@ asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, struct inode *inode; struct mqueue_inode_info *info; struct ext_wait_queue wait; + struct timespec ts, *p = NULL; - ret = audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); - if (ret != 0) - return ret; + if (u_abs_timeout) { + if (copy_from_user(&ts, u_abs_timeout, + sizeof(struct timespec))) + return -EFAULT; + p = &ts; + } - timeout = prepare_timeout(u_abs_timeout); + audit_mq_sendrecv(mqdes, msg_len, 0, p); + timeout = prepare_timeout(p); ret = -EBADF; filp = fget(mqdes); @@ -1003,17 +1007,17 @@ asmlinkage long sys_mq_notify(mqd_t mqdes, struct mqueue_inode_info *info; struct sk_buff *nc; - ret = audit_mq_notify(mqdes, u_notification); - if (ret != 0) - return ret; - - nc = NULL; - sock = NULL; - if (u_notification != NULL) { + if (u_notification) { if (copy_from_user(¬ification, u_notification, sizeof(struct sigevent))) return -EFAULT; + } + audit_mq_notify(mqdes, u_notification ? ¬ification : NULL); + + nc = NULL; + sock = NULL; + if (u_notification != NULL) { if (unlikely(notification.sigev_notify != SIGEV_NONE && notification.sigev_notify != SIGEV_SIGNAL && notification.sigev_notify != SIGEV_THREAD)) @@ -1150,11 +1154,7 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes, omqstat = info->attr; omqstat.mq_flags = filp->f_flags & O_NONBLOCK; if (u_mqstat) { - ret = audit_mq_getsetattr(mqdes, &mqstat); - if (ret != 0) { - spin_unlock(&info->lock); - goto out_fput; - } + audit_mq_getsetattr(mqdes, &mqstat); if (mqstat.mq_flags & O_NONBLOCK) filp->f_flags |= O_NONBLOCK; else diff --git a/ipc/sem.c b/ipc/sem.c index 082122469b1..fea0ad3aed7 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -58,7 +58,7 @@ * SMP-threaded, sysctl's added * (c) 1999 Manfred Spraul <manfred@colorfullife.com> * Enforced range limit on SEM_UNDO - * (c) 2001 Red Hat Inc <alan@redhat.com> + * (c) 2001 Red Hat Inc * Lockless wakeup * (c) 2003 Manfred Spraul <manfred@colorfullife.com> * diff --git a/ipc/shm.c b/ipc/shm.c index 38a055758a9..57dd50046ce 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -747,9 +747,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf) goto out; } - err = audit_ipc_obj(&(shp->shm_perm)); - if (err) - goto out_unlock; + audit_ipc_obj(&(shp->shm_perm)); if (!capable(CAP_IPC_LOCK)) { uid_t euid = current_euid(); diff --git a/ipc/util.c b/ipc/util.c index 5a1808c774a..7585a72e259 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -624,10 +624,9 @@ void ipc_rcu_putref(void *ptr) int ipcperms (struct kern_ipc_perm *ipcp, short flag) { /* flag will most probably be 0 or S_...UGO from <linux/stat.h> */ uid_t euid = current_euid(); - int requested_mode, granted_mode, err; + int requested_mode, granted_mode; - if (unlikely((err = audit_ipc_obj(ipcp)))) - return err; + audit_ipc_obj(ipcp); requested_mode = (flag >> 6) | (flag >> 3) | flag; granted_mode = ipcp->mode; if (euid == ipcp->cuid || @@ -803,16 +802,10 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, goto out_up; } - err = audit_ipc_obj(ipcp); - if (err) - goto out_unlock; - - if (cmd == IPC_SET) { - err = audit_ipc_set_perm(extra_perm, perm->uid, + audit_ipc_obj(ipcp); + if (cmd == IPC_SET) + audit_ipc_set_perm(extra_perm, perm->uid, perm->gid, perm->mode); - if (err) - goto out_unlock; - } euid = current_euid(); if (euid == ipcp->cuid || @@ -820,7 +813,6 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, return ipcp; err = -EPERM; -out_unlock: ipc_unlock(ipcp); out_up: up_write(&ids->rw_mutex); diff --git a/kernel/audit.h b/kernel/audit.h index 9d6717412fe..16f18cac661 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -159,11 +159,8 @@ static inline int audit_signal_info(int sig, struct task_struct *t) return __audit_signal_info(sig, t); return 0; } -extern enum audit_state audit_filter_inodes(struct task_struct *, - struct audit_context *); -extern void audit_set_auditable(struct audit_context *); +extern void audit_filter_inodes(struct task_struct *, struct audit_context *); #else #define audit_signal_info(s,t) AUDIT_DISABLED #define audit_filter_inodes(t,c) AUDIT_DISABLED -#define audit_set_auditable(c) #endif diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 8b509441f49..8ad9545b8db 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -450,6 +450,7 @@ static void kill_rules(struct audit_tree *tree) audit_log_end(ab); rule->tree = NULL; list_del_rcu(&entry->list); + list_del(&entry->rule.list); call_rcu(&entry->rcu, audit_free_rule_rcu); } } @@ -617,7 +618,7 @@ int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op) if (pathname[0] != '/' || rule->listnr != AUDIT_FILTER_EXIT || - op & ~AUDIT_EQUAL || + op != Audit_equal || rule->inode_f || rule->watch || rule->tree) return -EINVAL; rule->tree = alloc_tree(pathname); diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 9fd85a4640a..fbf24d121d9 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -86,6 +86,14 @@ struct list_head audit_filter_list[AUDIT_NR_FILTERS] = { #error Fix audit_filter_list initialiser #endif }; +static struct list_head audit_rules_list[AUDIT_NR_FILTERS] = { + LIST_HEAD_INIT(audit_rules_list[0]), + LIST_HEAD_INIT(audit_rules_list[1]), + LIST_HEAD_INIT(audit_rules_list[2]), + LIST_HEAD_INIT(audit_rules_list[3]), + LIST_HEAD_INIT(audit_rules_list[4]), + LIST_HEAD_INIT(audit_rules_list[5]), +}; DEFINE_MUTEX(audit_filter_mutex); @@ -244,7 +252,8 @@ static inline int audit_to_inode(struct audit_krule *krule, struct audit_field *f) { if (krule->listnr != AUDIT_FILTER_EXIT || - krule->watch || krule->inode_f || krule->tree) + krule->watch || krule->inode_f || krule->tree || + (f->op != Audit_equal && f->op != Audit_not_equal)) return -EINVAL; krule->inode_f = f; @@ -262,7 +271,7 @@ static int audit_to_watch(struct audit_krule *krule, char *path, int len, if (path[0] != '/' || path[len-1] == '/' || krule->listnr != AUDIT_FILTER_EXIT || - op & ~AUDIT_EQUAL || + op != Audit_equal || krule->inode_f || krule->watch || krule->tree) return -EINVAL; @@ -412,12 +421,32 @@ exit_err: return ERR_PTR(err); } +static u32 audit_ops[] = +{ + [Audit_equal] = AUDIT_EQUAL, + [Audit_not_equal] = AUDIT_NOT_EQUAL, + [Audit_bitmask] = AUDIT_BIT_MASK, + [Audit_bittest] = AUDIT_BIT_TEST, + [Audit_lt] = AUDIT_LESS_THAN, + [Audit_gt] = AUDIT_GREATER_THAN, + [Audit_le] = AUDIT_LESS_THAN_OR_EQUAL, + [Audit_ge] = AUDIT_GREATER_THAN_OR_EQUAL, +}; + +static u32 audit_to_op(u32 op) +{ + u32 n; + for (n = Audit_equal; n < Audit_bad && audit_ops[n] != op; n++) + ; + return n; +} + + /* Translate struct audit_rule to kernel's rule respresentation. * Exists for backward compatibility with userspace. */ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) { struct audit_entry *entry; - struct audit_field *ino_f; int err = 0; int i; @@ -427,12 +456,28 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) for (i = 0; i < rule->field_count; i++) { struct audit_field *f = &entry->rule.fields[i]; + u32 n; + + n = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS); + + /* Support for legacy operators where + * AUDIT_NEGATE bit signifies != and otherwise assumes == */ + if (n & AUDIT_NEGATE) + f->op = Audit_not_equal; + else if (!n) + f->op = Audit_equal; + else + f->op = audit_to_op(n); + + entry->rule.vers_ops = (n & AUDIT_OPERATORS) ? 2 : 1; - f->op = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS); f->type = rule->fields[i] & ~(AUDIT_NEGATE|AUDIT_OPERATORS); f->val = rule->values[i]; err = -EINVAL; + if (f->op == Audit_bad) + goto exit_free; + switch(f->type) { default: goto exit_free; @@ -454,11 +499,8 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) case AUDIT_EXIT: case AUDIT_SUCCESS: /* bit ops are only useful on syscall args */ - if (f->op == AUDIT_BIT_MASK || - f->op == AUDIT_BIT_TEST) { - err = -EINVAL; + if (f->op == Audit_bitmask || f->op == Audit_bittest) goto exit_free; - } break; case AUDIT_ARG0: case AUDIT_ARG1: @@ -467,11 +509,8 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) break; /* arch is only allowed to be = or != */ case AUDIT_ARCH: - if ((f->op != AUDIT_NOT_EQUAL) && (f->op != AUDIT_EQUAL) - && (f->op != AUDIT_NEGATE) && (f->op)) { - err = -EINVAL; + if (f->op != Audit_not_equal && f->op != Audit_equal) goto exit_free; - } entry->rule.arch_f = f; break; case AUDIT_PERM: @@ -488,33 +527,10 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) goto exit_free; break; } - - entry->rule.vers_ops = (f->op & AUDIT_OPERATORS) ? 2 : 1; - - /* Support for legacy operators where - * AUDIT_NEGATE bit signifies != and otherwise assumes == */ - if (f->op & AUDIT_NEGATE) - f->op = AUDIT_NOT_EQUAL; - else if (!f->op) - f->op = AUDIT_EQUAL; - else if (f->op == AUDIT_OPERATORS) { - err = -EINVAL; - goto exit_free; - } } - ino_f = entry->rule.inode_f; - if (ino_f) { - switch(ino_f->op) { - case AUDIT_NOT_EQUAL: - entry->rule.inode_f = NULL; - case AUDIT_EQUAL: - break; - default: - err = -EINVAL; - goto exit_free; - } - } + if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal) + entry->rule.inode_f = NULL; exit_nofree: return entry; @@ -530,7 +546,6 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, { int err = 0; struct audit_entry *entry; - struct audit_field *ino_f; void *bufp; size_t remain = datasz - sizeof(struct audit_rule_data); int i; @@ -546,11 +561,11 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, struct audit_field *f = &entry->rule.fields[i]; err = -EINVAL; - if (!(data->fieldflags[i] & AUDIT_OPERATORS) || - data->fieldflags[i] & ~AUDIT_OPERATORS) + + f->op = audit_to_op(data->fieldflags[i]); + if (f->op == Audit_bad) goto exit_free; - f->op = data->fieldflags[i] & AUDIT_OPERATORS; f->type = data->fields[i]; f->val = data->values[i]; f->lsm_str = NULL; @@ -662,18 +677,8 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, } } - ino_f = entry->rule.inode_f; - if (ino_f) { - switch(ino_f->op) { - case AUDIT_NOT_EQUAL: - entry->rule.inode_f = NULL; - case AUDIT_EQUAL: - break; - default: - err = -EINVAL; - goto exit_free; - } - } + if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal) + entry->rule.inode_f = NULL; exit_nofree: return entry; @@ -713,10 +718,10 @@ static struct audit_rule *audit_krule_to_rule(struct audit_krule *krule) rule->fields[i] = krule->fields[i].type; if (krule->vers_ops == 1) { - if (krule->fields[i].op & AUDIT_NOT_EQUAL) + if (krule->fields[i].op == Audit_not_equal) rule->fields[i] |= AUDIT_NEGATE; } else { - rule->fields[i] |= krule->fields[i].op; + rule->fields[i] |= audit_ops[krule->fields[i].op]; } } for (i = 0; i < AUDIT_BITMASK_SIZE; i++) rule->mask[i] = krule->mask[i]; @@ -744,7 +749,7 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule) struct audit_field *f = &krule->fields[i]; data->fields[i] = f->type; - data->fieldflags[i] = f->op; + data->fieldflags[i] = audit_ops[f->op]; switch(f->type) { case AUDIT_SUBJ_USER: case AUDIT_SUBJ_ROLE: @@ -919,6 +924,7 @@ static struct audit_entry *audit_dupe_rule(struct audit_krule *old, new->action = old->action; for (i = 0; i < AUDIT_BITMASK_SIZE; i++) new->mask[i] = old->mask[i]; + new->prio = old->prio; new->buflen = old->buflen; new->inode_f = old->inode_f; new->watch = NULL; @@ -987,9 +993,8 @@ static void audit_update_watch(struct audit_parent *parent, /* If the update involves invalidating rules, do the inode-based * filtering now, so we don't omit records. */ - if (invalidating && current->audit_context && - audit_filter_inodes(current, current->audit_context) == AUDIT_RECORD_CONTEXT) - audit_set_auditable(current->audit_context); + if (invalidating && current->audit_context) + audit_filter_inodes(current, current->audit_context); nwatch = audit_dupe_watch(owatch); if (IS_ERR(nwatch)) { @@ -1007,12 +1012,15 @@ static void audit_update_watch(struct audit_parent *parent, list_del_rcu(&oentry->list); nentry = audit_dupe_rule(&oentry->rule, nwatch); - if (IS_ERR(nentry)) + if (IS_ERR(nentry)) { + list_del(&oentry->rule.list); audit_panic("error updating watch, removing"); - else { + } else { int h = audit_hash_ino((u32)ino); list_add(&nentry->rule.rlist, &nwatch->rules); list_add_rcu(&nentry->list, &audit_inode_hash[h]); + list_replace(&oentry->rule.list, + &nentry->rule.list); } call_rcu(&oentry->rcu, audit_free_rule_rcu); @@ -1077,6 +1085,7 @@ static void audit_remove_parent_watches(struct audit_parent *parent) audit_log_end(ab); } list_del(&r->rlist); + list_del(&r->list); list_del_rcu(&e->list); call_rcu(&e->rcu, audit_free_rule_rcu); } @@ -1102,12 +1111,16 @@ static void audit_inotify_unregister(struct list_head *in_list) /* Find an existing audit rule. * Caller must hold audit_filter_mutex to prevent stale rule data. */ static struct audit_entry *audit_find_rule(struct audit_entry *entry, - struct list_head *list) + struct list_head **p) { struct audit_entry *e, *found = NULL; + struct list_head *list; int h; - if (entry->rule.watch) { + if (entry->rule.inode_f) { + h = audit_hash_ino(entry->rule.inode_f->val); + *p = list = &audit_inode_hash[h]; + } else if (entry->rule.watch) { /* we don't know the inode number, so must walk entire hash */ for (h = 0; h < AUDIT_INODE_BUCKETS; h++) { list = &audit_inode_hash[h]; @@ -1118,6 +1131,8 @@ static struct audit_entry *audit_find_rule(struct audit_entry *entry, } } goto out; + } else { + *p = list = &audit_filter_list[entry->rule.listnr]; } list_for_each_entry(e, list, list) @@ -1258,15 +1273,17 @@ static int audit_add_watch(struct audit_krule *krule, struct nameidata *ndp, return ret; } +static u64 prio_low = ~0ULL/2; +static u64 prio_high = ~0ULL/2 - 1; + /* Add rule to given filterlist if not a duplicate. */ -static inline int audit_add_rule(struct audit_entry *entry, - struct list_head *list) +static inline int audit_add_rule(struct audit_entry *entry) { struct audit_entry *e; - struct audit_field *inode_f = entry->rule.inode_f; struct audit_watch *watch = entry->rule.watch; struct audit_tree *tree = entry->rule.tree; struct nameidata *ndp = NULL, *ndw = NULL; + struct list_head *list; int h, err; #ifdef CONFIG_AUDITSYSCALL int dont_count = 0; @@ -1277,13 +1294,8 @@ static inline int audit_add_rule(struct audit_entry *entry, dont_count = 1; #endif - if (inode_f) { - h = audit_hash_ino(inode_f->val); - list = &audit_inode_hash[h]; - } - mutex_lock(&audit_filter_mutex); - e = audit_find_rule(entry, list); + e = audit_find_rule(entry, &list); mutex_unlock(&audit_filter_mutex); if (e) { err = -EEXIST; @@ -1319,10 +1331,22 @@ static inline int audit_add_rule(struct audit_entry *entry, } } + entry->rule.prio = ~0ULL; + if (entry->rule.listnr == AUDIT_FILTER_EXIT) { + if (entry->rule.flags & AUDIT_FILTER_PREPEND) + entry->rule.prio = ++prio_high; + else + entry->rule.prio = --prio_low; + } + if (entry->rule.flags & AUDIT_FILTER_PREPEND) { + list_add(&entry->rule.list, + &audit_rules_list[entry->rule.listnr]); list_add_rcu(&entry->list, list); entry->rule.flags &= ~AUDIT_FILTER_PREPEND; } else { + list_add_tail(&entry->rule.list, + &audit_rules_list[entry->rule.listnr]); list_add_tail_rcu(&entry->list, list); } #ifdef CONFIG_AUDITSYSCALL @@ -1345,15 +1369,14 @@ error: } /* Remove an existing rule from filterlist. */ -static inline int audit_del_rule(struct audit_entry *entry, - struct list_head *list) +static inline int audit_del_rule(struct audit_entry *entry) { struct audit_entry *e; - struct audit_field *inode_f = entry->rule.inode_f; struct audit_watch *watch, *tmp_watch = entry->rule.watch; struct audit_tree *tree = entry->rule.tree; + struct list_head *list; LIST_HEAD(inotify_list); - int h, ret = 0; + int ret = 0; #ifdef CONFIG_AUDITSYSCALL int dont_count = 0; @@ -1363,13 +1386,8 @@ static inline int audit_del_rule(struct audit_entry *entry, dont_count = 1; #endif - if (inode_f) { - h = audit_hash_ino(inode_f->val); - list = &audit_inode_hash[h]; - } - mutex_lock(&audit_filter_mutex); - e = audit_find_rule(entry, list); + e = audit_find_rule(entry, &list); if (!e) { mutex_unlock(&audit_filter_mutex); ret = -ENOENT; @@ -1404,6 +1422,7 @@ static inline int audit_del_rule(struct audit_entry *entry, audit_remove_tree_rule(&e->rule); list_del_rcu(&e->list); + list_del(&e->rule.list); call_rcu(&e->rcu, audit_free_rule_rcu); #ifdef CONFIG_AUDITSYSCALL @@ -1432,30 +1451,16 @@ out: static void audit_list(int pid, int seq, struct sk_buff_head *q) { struct sk_buff *skb; - struct audit_entry *entry; + struct audit_krule *r; int i; /* This is a blocking read, so use audit_filter_mutex instead of rcu * iterator to sync with list writers. */ for (i=0; i<AUDIT_NR_FILTERS; i++) { - list_for_each_entry(entry, &audit_filter_list[i], list) { - struct audit_rule *rule; - - rule = audit_krule_to_rule(&entry->rule); - if (unlikely(!rule)) - break; - skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1, - rule, sizeof(*rule)); - if (skb) - skb_queue_tail(q, skb); - kfree(rule); - } - } - for (i = 0; i < AUDIT_INODE_BUCKETS; i++) { - list_for_each_entry(entry, &audit_inode_hash[i], list) { + list_for_each_entry(r, &audit_rules_list[i], list) { struct audit_rule *rule; - rule = audit_krule_to_rule(&entry->rule); + rule = audit_krule_to_rule(r); if (unlikely(!rule)) break; skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1, @@ -1474,30 +1479,16 @@ static void audit_list(int pid, int seq, struct sk_buff_head *q) static void audit_list_rules(int pid, int seq, struct sk_buff_head *q) { struct sk_buff *skb; - struct audit_entry *e; + struct audit_krule *r; int i; /* This is a blocking read, so use audit_filter_mutex instead of rcu * iterator to sync with list writers. */ for (i=0; i<AUDIT_NR_FILTERS; i++) { - list_for_each_entry(e, &audit_filter_list[i], list) { - struct audit_rule_data *data; - - data = audit_krule_to_data(&e->rule); - if (unlikely(!data)) - break; - skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1, - data, sizeof(*data) + data->buflen); - if (skb) - skb_queue_tail(q, skb); - kfree(data); - } - } - for (i=0; i< AUDIT_INODE_BUCKETS; i++) { - list_for_each_entry(e, &audit_inode_hash[i], list) { + list_for_each_entry(r, &audit_rules_list[i], list) { struct audit_rule_data *data; - data = audit_krule_to_data(&e->rule); + data = audit_krule_to_data(r); if (unlikely(!data)) break; skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1, @@ -1603,8 +1594,7 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, if (IS_ERR(entry)) return PTR_ERR(entry); - err = audit_add_rule(entry, - &audit_filter_list[entry->rule.listnr]); + err = audit_add_rule(entry); audit_log_rule_change(loginuid, sessionid, sid, "add", &entry->rule, !err); @@ -1620,8 +1610,7 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, if (IS_ERR(entry)) return PTR_ERR(entry); - err = audit_del_rule(entry, - &audit_filter_list[entry->rule.listnr]); + err = audit_del_rule(entry); audit_log_rule_change(loginuid, sessionid, sid, "remove", &entry->rule, !err); @@ -1634,28 +1623,29 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, return err; } -int audit_comparator(const u32 left, const u32 op, const u32 right) +int audit_comparator(u32 left, u32 op, u32 right) { switch (op) { - case AUDIT_EQUAL: + case Audit_equal: return (left == right); - case AUDIT_NOT_EQUAL: + case Audit_not_equal: return (left != right); - case AUDIT_LESS_THAN: + case Audit_lt: return (left < right); - case AUDIT_LESS_THAN_OR_EQUAL: + case Audit_le: return (left <= right); - case AUDIT_GREATER_THAN: + case Audit_gt: return (left > right); - case AUDIT_GREATER_THAN_OR_EQUAL: + case Audit_ge: return (left >= right); - case AUDIT_BIT_MASK: + case Audit_bitmask: return (left & right); - case AUDIT_BIT_TEST: + case Audit_bittest: return ((left & right) == right); + default: + BUG(); + return 0; } - BUG(); - return 0; } /* Compare given dentry name with last component in given path, @@ -1778,6 +1768,43 @@ unlock_and_return: return result; } +static int update_lsm_rule(struct audit_krule *r) +{ + struct audit_entry *entry = container_of(r, struct audit_entry, rule); + struct audit_entry *nentry; + struct audit_watch *watch; + struct audit_tree *tree; + int err = 0; + + if (!security_audit_rule_known(r)) + return 0; + + watch = r->watch; + tree = r->tree; + nentry = audit_dupe_rule(r, watch); + if (IS_ERR(nentry)) { + /* save the first error encountered for the + * return value */ + err = PTR_ERR(nentry); + audit_panic("error updating LSM filters"); + if (watch) + list_del(&r->rlist); + list_del_rcu(&entry->list); + list_del(&r->list); + } else { + if (watch) { + list_add(&nentry->rule.rlist, &watch->rules); + list_del(&r->rlist); + } else if (tree) + list_replace_init(&r->rlist, &nentry->rule.rlist); + list_replace_rcu(&entry->list, &nentry->list); + list_replace(&r->list, &nentry->rule.list); + } + call_rcu(&entry->rcu, audit_free_rule_rcu); + + return err; +} + /* This function will re-initialize the lsm_rule field of all applicable rules. * It will traverse the filter lists serarching for rules that contain LSM * specific filter fields. When such a rule is found, it is copied, the @@ -1785,45 +1812,19 @@ unlock_and_return: * updated rule. */ int audit_update_lsm_rules(void) { - struct audit_entry *entry, *n, *nentry; - struct audit_watch *watch; - struct audit_tree *tree; + struct audit_krule *r, *n; int i, err = 0; /* audit_filter_mutex synchronizes the writers */ mutex_lock(&audit_filter_mutex); for (i = 0; i < AUDIT_NR_FILTERS; i++) { - list_for_each_entry_safe(entry, n, &audit_filter_list[i], list) { - if (!security_audit_rule_known(&entry->rule)) - continue; - - watch = entry->rule.watch; - tree = entry->rule.tree; - nentry = audit_dupe_rule(&entry->rule, watch); - if (IS_ERR(nentry)) { - /* save the first error encountered for the - * return value */ - if (!err) - err = PTR_ERR(nentry); - audit_panic("error updating LSM filters"); - if (watch) - list_del(&entry->rule.rlist); - list_del_rcu(&entry->list); - } else { - if (watch) { - list_add(&nentry->rule.rlist, - &watch->rules); - list_del(&entry->rule.rlist); - } else if (tree) - list_replace_init(&entry->rule.rlist, - &nentry->rule.rlist); - list_replace_rcu(&entry->list, &nentry->list); - } - call_rcu(&entry->rcu, audit_free_rule_rcu); + list_for_each_entry_safe(r, n, &audit_rules_list[i], list) { + int res = update_lsm_rule(r); + if (!err) + err = res; } } - mutex_unlock(&audit_filter_mutex); return err; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 4819f371197..8cbddff6c28 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -124,43 +124,6 @@ struct audit_aux_data { /* Number of target pids per aux struct. */ #define AUDIT_AUX_PIDS 16 -struct audit_aux_data_mq_open { - struct audit_aux_data d; - int oflag; - mode_t mode; - struct mq_attr attr; -}; - -struct audit_aux_data_mq_sendrecv { - struct audit_aux_data d; - mqd_t mqdes; - size_t msg_len; - unsigned int msg_prio; - struct timespec abs_timeout; -}; - -struct audit_aux_data_mq_notify { - struct audit_aux_data d; - mqd_t mqdes; - struct sigevent notification; -}; - -struct audit_aux_data_mq_getsetattr { - struct audit_aux_data d; - mqd_t mqdes; - struct mq_attr mqstat; -}; - -struct audit_aux_data_ipcctl { - struct audit_aux_data d; - struct ipc_perm p; - unsigned long qbytes; - uid_t uid; - gid_t gid; - mode_t mode; - u32 osid; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -168,23 +131,6 @@ struct audit_aux_data_execve { struct mm_struct *mm; }; -struct audit_aux_data_socketcall { - struct audit_aux_data d; - int nargs; - unsigned long args[0]; -}; - -struct audit_aux_data_sockaddr { - struct audit_aux_data d; - int len; - char a[0]; -}; - -struct audit_aux_data_fd_pair { - struct audit_aux_data d; - int fd[2]; -}; - struct audit_aux_data_pids { struct audit_aux_data d; pid_t target_pid[AUDIT_AUX_PIDS]; @@ -219,14 +165,14 @@ struct audit_tree_refs { struct audit_context { int dummy; /* must be the first element */ int in_syscall; /* 1 if task is in a syscall */ - enum audit_state state; + enum audit_state state, current_state; unsigned int serial; /* serial number for record */ struct timespec ctime; /* time of syscall entry */ int major; /* syscall number */ unsigned long argv[4]; /* syscall arguments */ int return_valid; /* return code is valid */ long return_code;/* syscall return code */ - int auditable; /* 1 if record should be written */ + u64 prio; int name_count; struct audit_names names[AUDIT_NAMES]; char * filterkey; /* key for rule that triggered record */ @@ -234,7 +180,8 @@ struct audit_context { struct audit_context *previous; /* For nested syscalls */ struct audit_aux_data *aux; struct audit_aux_data *aux_pids; - + struct sockaddr_storage *sockaddr; + size_t sockaddr_len; /* Save things to print about task_struct */ pid_t pid, ppid; uid_t uid, euid, suid, fsuid; @@ -252,6 +199,49 @@ struct audit_context { struct audit_tree_refs *trees, *first_trees; int tree_count; + int type; + union { + struct { + int nargs; + long args[6]; + } socketcall; + struct { + uid_t uid; + gid_t gid; + mode_t mode; + u32 osid; + int has_perm; + uid_t perm_uid; + gid_t perm_gid; + mode_t perm_mode; + unsigned long qbytes; + } ipc; + struct { + mqd_t mqdes; + struct mq_attr mqstat; + } mq_getsetattr; + struct { + mqd_t mqdes; + int sigev_signo; + } mq_notify; + struct { + mqd_t mqdes; + size_t msg_len; + unsigned int msg_prio; + struct timespec abs_timeout; + } mq_sendrecv; + struct { + int oflag; + mode_t mode; + struct mq_attr attr; + } mq_open; + struct { + pid_t pid; + struct audit_cap_data cap; + } capset; + }; + int fds[2]; + #if AUDIT_DEBUG int put_count; int ino_count; @@ -608,19 +598,12 @@ static int audit_filter_rules(struct task_struct *tsk, } } /* Find ipc objects that match */ - if (ctx) { - struct audit_aux_data *aux; - for (aux = ctx->aux; aux; - aux = aux->next) { - if (aux->type == AUDIT_IPC) { - struct audit_aux_data_ipcctl *axi = (void *)aux; - if (security_audit_rule_match(axi->osid, f->type, f->op, f->lsm_rule, ctx)) { - ++result; - break; - } - } - } - } + if (!ctx || ctx->type != AUDIT_IPC) + break; + if (security_audit_rule_match(ctx->ipc.osid, + f->type, f->op, + f->lsm_rule, ctx)) + ++result; } break; case AUDIT_ARG0: @@ -647,8 +630,16 @@ static int audit_filter_rules(struct task_struct *tsk, return 0; } } - if (rule->filterkey && ctx) - ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC); + + if (ctx) { + if (rule->prio <= ctx->prio) + return 0; + if (rule->filterkey) { + kfree(ctx->filterkey); + ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC); + } + ctx->prio = rule->prio; + } switch (rule->action) { case AUDIT_NEVER: *state = AUDIT_DISABLED; break; case AUDIT_ALWAYS: *state = AUDIT_RECORD_CONTEXT; break; @@ -661,7 +652,7 @@ static int audit_filter_rules(struct task_struct *tsk, * completely disabled for this task. Since we only have the task * structure at this point, we can only check uid and gid. */ -static enum audit_state audit_filter_task(struct task_struct *tsk) +static enum audit_state audit_filter_task(struct task_struct *tsk, char **key) { struct audit_entry *e; enum audit_state state; @@ -669,6 +660,8 @@ static enum audit_state audit_filter_task(struct task_struct *tsk) rcu_read_lock(); list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TASK], list) { if (audit_filter_rules(tsk, &e->rule, NULL, NULL, &state)) { + if (state == AUDIT_RECORD_CONTEXT) + *key = kstrdup(e->rule.filterkey, GFP_ATOMIC); rcu_read_unlock(); return state; } @@ -702,6 +695,7 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk, audit_filter_rules(tsk, &e->rule, ctx, NULL, &state)) { rcu_read_unlock(); + ctx->current_state = state; return state; } } @@ -715,15 +709,14 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk, * buckets applicable to the inode numbers in audit_names[]. * Regarding audit_state, same rules apply as for audit_filter_syscall(). */ -enum audit_state audit_filter_inodes(struct task_struct *tsk, - struct audit_context *ctx) +void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx) { int i; struct audit_entry *e; enum audit_state state; if (audit_pid && tsk->tgid == audit_pid) - return AUDIT_DISABLED; + return; rcu_read_lock(); for (i = 0; i < ctx->name_count; i++) { @@ -740,17 +733,20 @@ enum audit_state audit_filter_inodes(struct task_struct *tsk, if ((e->rule.mask[word] & bit) == bit && audit_filter_rules(tsk, &e->rule, ctx, n, &state)) { rcu_read_unlock(); - return state; + ctx->current_state = state; + return; } } } rcu_read_unlock(); - return AUDIT_BUILD_CONTEXT; } -void audit_set_auditable(struct audit_context *ctx) +static void audit_set_auditable(struct audit_context *ctx) { - ctx->auditable = 1; + if (!ctx->prio) { + ctx->prio = 1; + ctx->current_state = AUDIT_RECORD_CONTEXT; + } } static inline struct audit_context *audit_get_context(struct task_struct *tsk, @@ -781,23 +777,11 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk, else context->return_code = return_code; - if (context->in_syscall && !context->dummy && !context->auditable) { - enum audit_state state; - - state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]); - if (state == AUDIT_RECORD_CONTEXT) { - context->auditable = 1; - goto get_context; - } - - state = audit_filter_inodes(tsk, context); - if (state == AUDIT_RECORD_CONTEXT) - context->auditable = 1; - + if (context->in_syscall && !context->dummy) { + audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]); + audit_filter_inodes(tsk, context); } -get_context: - tsk->audit_context = NULL; return context; } @@ -807,8 +791,7 @@ static inline void audit_free_names(struct audit_context *context) int i; #if AUDIT_DEBUG == 2 - if (context->auditable - ||context->put_count + context->ino_count != context->name_count) { + if (context->put_count + context->ino_count != context->name_count) { printk(KERN_ERR "%s:%d(:%d): major=%d in_syscall=%d" " name_count=%d put_count=%d" " ino_count=%d [NOT freeing]\n", @@ -859,6 +842,7 @@ static inline void audit_zero_context(struct audit_context *context, { memset(context, 0, sizeof(*context)); context->state = state; + context->prio = state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0; } static inline struct audit_context *audit_alloc_context(enum audit_state state) @@ -884,18 +868,21 @@ int audit_alloc(struct task_struct *tsk) { struct audit_context *context; enum audit_state state; + char *key = NULL; if (likely(!audit_ever_enabled)) return 0; /* Return if not auditing. */ - state = audit_filter_task(tsk); + state = audit_filter_task(tsk, &key); if (likely(state == AUDIT_DISABLED)) return 0; if (!(context = audit_alloc_context(state))) { + kfree(key); audit_log_lost("out of memory in audit_alloc"); return -ENOMEM; } + context->filterkey = key; tsk->audit_context = context; set_tsk_thread_flag(tsk, TIF_SYSCALL_AUDIT); @@ -921,6 +908,7 @@ static inline void audit_free_context(struct audit_context *context) free_tree_refs(context); audit_free_aux(context); kfree(context->filterkey); + kfree(context->sockaddr); kfree(context); context = previous; } while (context); @@ -1230,6 +1218,97 @@ static void audit_log_fcaps(struct audit_buffer *ab, struct audit_names *name) audit_log_format(ab, " cap_fe=%d cap_fver=%x", name->fcap.fE, name->fcap_ver); } +static void show_special(struct audit_context *context, int *call_panic) +{ + struct audit_buffer *ab; + int i; + + ab = audit_log_start(context, GFP_KERNEL, context->type); + if (!ab) + return; + + switch (context->type) { + case AUDIT_SOCKETCALL: { + int nargs = context->socketcall.nargs; + audit_log_format(ab, "nargs=%d", nargs); + for (i = 0; i < nargs; i++) + audit_log_format(ab, " a%d=%lx", i, + context->socketcall.args[i]); + break; } + case AUDIT_IPC: { + u32 osid = context->ipc.osid; + + audit_log_format(ab, "ouid=%u ogid=%u mode=%#o", + context->ipc.uid, context->ipc.gid, context->ipc.mode); + if (osid) { + char *ctx = NULL; + u32 len; + if (security_secid_to_secctx(osid, &ctx, &len)) { + audit_log_format(ab, " osid=%u", osid); + *call_panic = 1; + } else { + audit_log_format(ab, " obj=%s", ctx); + security_release_secctx(ctx, len); + } + } + if (context->ipc.has_perm) { + audit_log_end(ab); + ab = audit_log_start(context, GFP_KERNEL, + AUDIT_IPC_SET_PERM); + audit_log_format(ab, + "qbytes=%lx ouid=%u ogid=%u mode=%#o", + context->ipc.qbytes, + context->ipc.perm_uid, + context->ipc.perm_gid, + context->ipc.perm_mode); + if (!ab) + return; + } + break; } + case AUDIT_MQ_OPEN: { + audit_log_format(ab, + "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld " + "mq_msgsize=%ld mq_curmsgs=%ld", + context->mq_open.oflag, context->mq_open.mode, + context->mq_open.attr.mq_flags, + context->mq_open.attr.mq_maxmsg, + context->mq_open.attr.mq_msgsize, + context->mq_open.attr.mq_curmsgs); + break; } + case AUDIT_MQ_SENDRECV: { + audit_log_format(ab, + "mqdes=%d msg_len=%zd msg_prio=%u " + "abs_timeout_sec=%ld abs_timeout_nsec=%ld", + context->mq_sendrecv.mqdes, + context->mq_sendrecv.msg_len, + context->mq_sendrecv.msg_prio, + context->mq_sendrecv.abs_timeout.tv_sec, + context->mq_sendrecv.abs_timeout.tv_nsec); + break; } + case AUDIT_MQ_NOTIFY: { + audit_log_format(ab, "mqdes=%d sigev_signo=%d", + context->mq_notify.mqdes, + context->mq_notify.sigev_signo); + break; } + case AUDIT_MQ_GETSETATTR: { + struct mq_attr *attr = &context->mq_getsetattr.mqstat; + audit_log_format(ab, + "mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld " + "mq_curmsgs=%ld ", + context->mq_getsetattr.mqdes, + attr->mq_flags, attr->mq_maxmsg, + attr->mq_msgsize, attr->mq_curmsgs); + break; } + case AUDIT_CAPSET: { + audit_log_format(ab, "pid=%d", context->capset.pid); + audit_log_cap(ab, "cap_pi", &context->capset.cap.inheritable); + audit_log_cap(ab, "cap_pp", &context->capset.cap.permitted); + audit_log_cap(ab, "cap_pe", &context->capset.cap.effective); + break; } + } + audit_log_end(ab); +} + static void audit_log_exit(struct audit_context *context, struct task_struct *tsk) { const struct cred *cred; @@ -1307,94 +1386,12 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts continue; /* audit_panic has been called */ switch (aux->type) { - case AUDIT_MQ_OPEN: { - struct audit_aux_data_mq_open *axi = (void *)aux; - audit_log_format(ab, - "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld " - "mq_msgsize=%ld mq_curmsgs=%ld", - axi->oflag, axi->mode, axi->attr.mq_flags, - axi->attr.mq_maxmsg, axi->attr.mq_msgsize, - axi->attr.mq_curmsgs); - break; } - - case AUDIT_MQ_SENDRECV: { - struct audit_aux_data_mq_sendrecv *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d msg_len=%zd msg_prio=%u " - "abs_timeout_sec=%ld abs_timeout_nsec=%ld", - axi->mqdes, axi->msg_len, axi->msg_prio, - axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec); - break; } - - case AUDIT_MQ_NOTIFY: { - struct audit_aux_data_mq_notify *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d sigev_signo=%d", - axi->mqdes, - axi->notification.sigev_signo); - break; } - - case AUDIT_MQ_GETSETATTR: { - struct audit_aux_data_mq_getsetattr *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld " - "mq_curmsgs=%ld ", - axi->mqdes, - axi->mqstat.mq_flags, axi->mqstat.mq_maxmsg, - axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs); - break; } - - case AUDIT_IPC: { - struct audit_aux_data_ipcctl *axi = (void *)aux; - audit_log_format(ab, - "ouid=%u ogid=%u mode=%#o", - axi->uid, axi->gid, axi->mode); - if (axi->osid != 0) { - char *ctx = NULL; - u32 len; - if (security_secid_to_secctx( - axi->osid, &ctx, &len)) { - audit_log_format(ab, " osid=%u", - axi->osid); - call_panic = 1; - } else { - audit_log_format(ab, " obj=%s", ctx); - security_release_secctx(ctx, len); - } - } - break; } - - case AUDIT_IPC_SET_PERM: { - struct audit_aux_data_ipcctl *axi = (void *)aux; - audit_log_format(ab, - "qbytes=%lx ouid=%u ogid=%u mode=%#o", - axi->qbytes, axi->uid, axi->gid, axi->mode); - break; } case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; audit_log_execve_info(context, &ab, axi); break; } - case AUDIT_SOCKETCALL: { - struct audit_aux_data_socketcall *axs = (void *)aux; - audit_log_format(ab, "nargs=%d", axs->nargs); - for (i=0; i<axs->nargs; i++) - audit_log_format(ab, " a%d=%lx", i, axs->args[i]); - break; } - - case AUDIT_SOCKADDR: { - struct audit_aux_data_sockaddr *axs = (void *)aux; - - audit_log_format(ab, "saddr="); - audit_log_n_hex(ab, axs->a, axs->len); - break; } - - case AUDIT_FD_PAIR: { - struct audit_aux_data_fd_pair *axs = (void *)aux; - audit_log_format(ab, "fd0=%d fd1=%d", axs->fd[0], axs->fd[1]); - break; } - case AUDIT_BPRM_FCAPS: { struct audit_aux_data_bprm_fcaps *axs = (void *)aux; audit_log_format(ab, "fver=%x", axs->fcap_ver); @@ -1409,18 +1406,32 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_cap(ab, "new_pe", &axs->new_pcap.effective); break; } - case AUDIT_CAPSET: { - struct audit_aux_data_capset *axs = (void *)aux; - audit_log_format(ab, "pid=%d", axs->pid); - audit_log_cap(ab, "cap_pi", &axs->cap.inheritable); - audit_log_cap(ab, "cap_pp", &axs->cap.permitted); - audit_log_cap(ab, "cap_pe", &axs->cap.effective); - break; } - } audit_log_end(ab); } + if (context->type) + show_special(context, &call_panic); + + if (context->fds[0] >= 0) { + ab = audit_log_start(context, GFP_KERNEL, AUDIT_FD_PAIR); + if (ab) { + audit_log_format(ab, "fd0=%d fd1=%d", + context->fds[0], context->fds[1]); + audit_log_end(ab); + } + } + + if (context->sockaddr_len) { + ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR); + if (ab) { + audit_log_format(ab, "saddr="); + audit_log_n_hex(ab, (void *)context->sockaddr, + context->sockaddr_len); + audit_log_end(ab); + } + } + for (aux = context->aux_pids; aux; aux = aux->next) { struct audit_aux_data_pids *axs = (void *)aux; @@ -1536,7 +1547,7 @@ void audit_free(struct task_struct *tsk) * We use GFP_ATOMIC here because we might be doing this * in the context of the idle thread */ /* that can happen only if we are called from do_exit() */ - if (context->in_syscall && context->auditable) + if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT) audit_log_exit(context, tsk); audit_free_context(context); @@ -1620,15 +1631,17 @@ void audit_syscall_entry(int arch, int major, state = context->state; context->dummy = !audit_n_rules; - if (!context->dummy && (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT)) + if (!context->dummy && state == AUDIT_BUILD_CONTEXT) { + context->prio = 0; state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_ENTRY]); + } if (likely(state == AUDIT_DISABLED)) return; context->serial = 0; context->ctime = CURRENT_TIME; context->in_syscall = 1; - context->auditable = !!(state == AUDIT_RECORD_CONTEXT); + context->current_state = state; context->ppid = 0; } @@ -1636,17 +1649,20 @@ void audit_finish_fork(struct task_struct *child) { struct audit_context *ctx = current->audit_context; struct audit_context *p = child->audit_context; - if (!p || !ctx || !ctx->auditable) + if (!p || !ctx) + return; + if (!ctx->in_syscall || ctx->current_state != AUDIT_RECORD_CONTEXT) return; p->arch = ctx->arch; p->major = ctx->major; memcpy(p->argv, ctx->argv, sizeof(ctx->argv)); p->ctime = ctx->ctime; p->dummy = ctx->dummy; - p->auditable = ctx->auditable; p->in_syscall = ctx->in_syscall; p->filterkey = kstrdup(ctx->filterkey, GFP_KERNEL); p->ppid = current->pid; + p->prio = ctx->prio; + p->current_state = ctx->current_state; } /** @@ -1670,11 +1686,11 @@ void audit_syscall_exit(int valid, long return_code) if (likely(!context)) return; - if (context->in_syscall && context->auditable) + if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT) audit_log_exit(context, tsk); context->in_syscall = 0; - context->auditable = 0; + context->prio = context->state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0; if (context->previous) { struct audit_context *new_context = context->previous; @@ -1689,8 +1705,13 @@ void audit_syscall_exit(int valid, long return_code) context->aux_pids = NULL; context->target_pid = 0; context->target_sid = 0; - kfree(context->filterkey); - context->filterkey = NULL; + context->sockaddr_len = 0; + context->type = 0; + context->fds[0] = -1; + if (context->state != AUDIT_RECORD_CONTEXT) { + kfree(context->filterkey); + context->filterkey = NULL; + } tsk->audit_context = context; } } @@ -2081,7 +2102,10 @@ int auditsc_get_stamp(struct audit_context *ctx, t->tv_sec = ctx->ctime.tv_sec; t->tv_nsec = ctx->ctime.tv_nsec; *serial = ctx->serial; - ctx->auditable = 1; + if (!ctx->prio) { + ctx->prio = 1; + ctx->current_state = AUDIT_RECORD_CONTEXT; + } return 1; } @@ -2127,132 +2151,46 @@ int audit_set_loginuid(struct task_struct *task, uid_t loginuid) * @mode: mode bits * @u_attr: queue attributes * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) +void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) { - struct audit_aux_data_mq_open *ax; struct audit_context *context = current->audit_context; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_attr != NULL) { - if (copy_from_user(&ax->attr, u_attr, sizeof(ax->attr))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->attr, 0, sizeof(ax->attr)); + if (attr) + memcpy(&context->mq_open.attr, attr, sizeof(struct mq_attr)); + else + memset(&context->mq_open.attr, 0, sizeof(struct mq_attr)); - ax->oflag = oflag; - ax->mode = mode; + context->mq_open.oflag = oflag; + context->mq_open.mode = mode; - ax->d.type = AUDIT_MQ_OPEN; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_MQ_OPEN; } /** - * __audit_mq_timedsend - record audit data for a POSIX MQ timed send + * __audit_mq_sendrecv - record audit data for a POSIX MQ timed send/receive * @mqdes: MQ descriptor * @msg_len: Message length * @msg_prio: Message priority - * @u_abs_timeout: Message timeout in absolute time + * @abs_timeout: Message timeout in absolute time * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, - const struct timespec __user *u_abs_timeout) +void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, + const struct timespec *abs_timeout) { - struct audit_aux_data_mq_sendrecv *ax; struct audit_context *context = current->audit_context; + struct timespec *p = &context->mq_sendrecv.abs_timeout; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_abs_timeout != NULL) { - if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout)); - - ax->mqdes = mqdes; - ax->msg_len = msg_len; - ax->msg_prio = msg_prio; - - ax->d.type = AUDIT_MQ_SENDRECV; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; -} - -/** - * __audit_mq_timedreceive - record audit data for a POSIX MQ timed receive - * @mqdes: MQ descriptor - * @msg_len: Message length - * @u_msg_prio: Message priority - * @u_abs_timeout: Message timeout in absolute time - * - * Returns 0 for success or NULL context or < 0 on error. - */ -int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, - unsigned int __user *u_msg_prio, - const struct timespec __user *u_abs_timeout) -{ - struct audit_aux_data_mq_sendrecv *ax; - struct audit_context *context = current->audit_context; - - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_msg_prio != NULL) { - if (get_user(ax->msg_prio, u_msg_prio)) { - kfree(ax); - return -EFAULT; - } - } else - ax->msg_prio = 0; - - if (u_abs_timeout != NULL) { - if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout)); + if (abs_timeout) + memcpy(p, abs_timeout, sizeof(struct timespec)); + else + memset(p, 0, sizeof(struct timespec)); - ax->mqdes = mqdes; - ax->msg_len = msg_len; + context->mq_sendrecv.mqdes = mqdes; + context->mq_sendrecv.msg_len = msg_len; + context->mq_sendrecv.msg_prio = msg_prio; - ax->d.type = AUDIT_MQ_SENDRECV; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_MQ_SENDRECV; } /** @@ -2260,38 +2198,19 @@ int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, * @mqdes: MQ descriptor * @u_notification: Notification event * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) +void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) { - struct audit_aux_data_mq_notify *ax; struct audit_context *context = current->audit_context; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_notification != NULL) { - if (copy_from_user(&ax->notification, u_notification, sizeof(ax->notification))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->notification, 0, sizeof(ax->notification)); - - ax->mqdes = mqdes; + if (notification) + context->mq_notify.sigev_signo = notification->sigev_signo; + else + context->mq_notify.sigev_signo = 0; - ax->d.type = AUDIT_MQ_NOTIFY; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->mq_notify.mqdes = mqdes; + context->type = AUDIT_MQ_NOTIFY; } /** @@ -2299,55 +2218,29 @@ int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) * @mqdes: MQ descriptor * @mqstat: MQ flags * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) +void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) { - struct audit_aux_data_mq_getsetattr *ax; struct audit_context *context = current->audit_context; - - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->mqdes = mqdes; - ax->mqstat = *mqstat; - - ax->d.type = AUDIT_MQ_GETSETATTR; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->mq_getsetattr.mqdes = mqdes; + context->mq_getsetattr.mqstat = *mqstat; + context->type = AUDIT_MQ_GETSETATTR; } /** * audit_ipc_obj - record audit data for ipc object * @ipcp: ipc permissions * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_ipc_obj(struct kern_ipc_perm *ipcp) +void __audit_ipc_obj(struct kern_ipc_perm *ipcp) { - struct audit_aux_data_ipcctl *ax; struct audit_context *context = current->audit_context; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->uid = ipcp->uid; - ax->gid = ipcp->gid; - ax->mode = ipcp->mode; - security_ipc_getsecid(ipcp, &ax->osid); - ax->d.type = AUDIT_IPC; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->ipc.uid = ipcp->uid; + context->ipc.gid = ipcp->gid; + context->ipc.mode = ipcp->mode; + context->ipc.has_perm = 0; + security_ipc_getsecid(ipcp, &context->ipc.osid); + context->type = AUDIT_IPC; } /** @@ -2357,26 +2250,17 @@ int __audit_ipc_obj(struct kern_ipc_perm *ipcp) * @gid: msgq group id * @mode: msgq mode (permissions) * - * Returns 0 for success or NULL context or < 0 on error. + * Called only after audit_ipc_obj(). */ -int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) { - struct audit_aux_data_ipcctl *ax; struct audit_context *context = current->audit_context; - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->qbytes = qbytes; - ax->uid = uid; - ax->gid = gid; - ax->mode = mode; - - ax->d.type = AUDIT_IPC_SET_PERM; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->ipc.qbytes = qbytes; + context->ipc.perm_uid = uid; + context->ipc.perm_gid = gid; + context->ipc.perm_mode = mode; + context->ipc.has_perm = 1; } int audit_bprm(struct linux_binprm *bprm) @@ -2406,27 +2290,17 @@ int audit_bprm(struct linux_binprm *bprm) * @nargs: number of args * @args: args array * - * Returns 0 for success or NULL context or < 0 on error. */ -int audit_socketcall(int nargs, unsigned long *args) +void audit_socketcall(int nargs, unsigned long *args) { - struct audit_aux_data_socketcall *ax; struct audit_context *context = current->audit_context; if (likely(!context || context->dummy)) - return 0; - - ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->nargs = nargs; - memcpy(ax->args, args, nargs * sizeof(unsigned long)); + return; - ax->d.type = AUDIT_SOCKETCALL; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_SOCKETCALL; + context->socketcall.nargs = nargs; + memcpy(context->socketcall.args, args, nargs * sizeof(unsigned long)); } /** @@ -2434,29 +2308,12 @@ int audit_socketcall(int nargs, unsigned long *args) * @fd1: the first file descriptor * @fd2: the second file descriptor * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_fd_pair(int fd1, int fd2) +void __audit_fd_pair(int fd1, int fd2) { struct audit_context *context = current->audit_context; - struct audit_aux_data_fd_pair *ax; - - if (likely(!context)) { - return 0; - } - - ax = kmalloc(sizeof(*ax), GFP_KERNEL); - if (!ax) { - return -ENOMEM; - } - - ax->fd[0] = fd1; - ax->fd[1] = fd2; - - ax->d.type = AUDIT_FD_PAIR; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->fds[0] = fd1; + context->fds[1] = fd2; } /** @@ -2468,22 +2325,20 @@ int __audit_fd_pair(int fd1, int fd2) */ int audit_sockaddr(int len, void *a) { - struct audit_aux_data_sockaddr *ax; struct audit_context *context = current->audit_context; if (likely(!context || context->dummy)) return 0; - ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->len = len; - memcpy(ax->a, a, len); + if (!context->sockaddr) { + void *p = kmalloc(sizeof(struct sockaddr_storage), GFP_KERNEL); + if (!p) + return -ENOMEM; + context->sockaddr = p; + } - ax->d.type = AUDIT_SOCKADDR; - ax->d.next = context->aux; - context->aux = (void *)ax; + context->sockaddr_len = len; + memcpy(context->sockaddr, a, len); return 0; } @@ -2617,29 +2472,15 @@ int __audit_log_bprm_fcaps(struct linux_binprm *bprm, * Record the aguments userspace sent to sys_capset for later printing by the * audit system if applicable */ -int __audit_log_capset(pid_t pid, +void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old) { - struct audit_aux_data_capset *ax; struct audit_context *context = current->audit_context; - - if (likely(!audit_enabled || !context || context->dummy)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->d.type = AUDIT_CAPSET; - ax->d.next = context->aux; - context->aux = (void *)ax; - - ax->pid = pid; - ax->cap.effective = new->cap_effective; - ax->cap.inheritable = new->cap_effective; - ax->cap.permitted = new->cap_permitted; - - return 0; + context->capset.pid = pid; + context->capset.cap.effective = new->cap_effective; + context->capset.cap.inheritable = new->cap_effective; + context->capset.cap.permitted = new->cap_permitted; + context->type = AUDIT_CAPSET; } /** diff --git a/kernel/capability.c b/kernel/capability.c index 36b4b4daebe..c598d9d5be4 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -280,9 +280,7 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data) if (ret < 0) goto error; - ret = audit_log_capset(pid, new, current_cred()); - if (ret < 0) - return ret; + audit_log_capset(pid, new, current_cred()); return commit_creds(new); diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 48348dde6d8..87bb0258fd2 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -573,7 +573,6 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info; } @@ -2945,7 +2944,11 @@ int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *subsys, parent = task_cgroup(tsk, subsys->subsys_id); /* Pin the hierarchy */ - atomic_inc(&parent->root->sb->s_active); + if (!atomic_inc_not_zero(&parent->root->sb->s_active)) { + /* We race with the final deactivate_super() */ + mutex_unlock(&cgroup_mutex); + return 0; + } /* Keep the cgroup alive */ get_css_set(cg); diff --git a/kernel/cpu.c b/kernel/cpu.c index 47fff3b63cb..30e74dd6d01 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -269,8 +269,11 @@ out_release: int __ref cpu_down(unsigned int cpu) { - int err = 0; + int err; + err = stop_machine_create(); + if (err) + return err; cpu_maps_update_begin(); if (cpu_hotplug_disabled) { @@ -297,6 +300,7 @@ int __ref cpu_down(unsigned int cpu) out: cpu_maps_update_done(); + stop_machine_destroy(); return err; } EXPORT_SYMBOL(cpu_down); diff --git a/kernel/module.c b/kernel/module.c index dd2a54155b5..f47cce910f2 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -757,8 +757,16 @@ sys_delete_module(const char __user *name_user, unsigned int flags) return -EFAULT; name[MODULE_NAME_LEN-1] = '\0'; - if (mutex_lock_interruptible(&module_mutex) != 0) - return -EINTR; + /* Create stop_machine threads since free_module relies on + * a non-failing stop_machine call. */ + ret = stop_machine_create(); + if (ret) + return ret; + + if (mutex_lock_interruptible(&module_mutex) != 0) { + ret = -EINTR; + goto out_stop; + } mod = find_module(name); if (!mod) { @@ -817,10 +825,12 @@ sys_delete_module(const char __user *name_user, unsigned int flags) out: mutex_unlock(&module_mutex); +out_stop: + stop_machine_destroy(); return ret; } -static void print_unload_info(struct seq_file *m, struct module *mod) +static inline void print_unload_info(struct seq_file *m, struct module *mod) { struct module_use *use; int printed_something = 0; @@ -893,7 +903,7 @@ void module_put(struct module *module) EXPORT_SYMBOL(module_put); #else /* !CONFIG_MODULE_UNLOAD */ -static void print_unload_info(struct seq_file *m, struct module *mod) +static inline void print_unload_info(struct seq_file *m, struct module *mod) { /* We don't know the usage count, or what modules are using. */ seq_printf(m, " - -"); @@ -1578,11 +1588,21 @@ static int simplify_symbols(Elf_Shdr *sechdrs, return ret; } +/* Additional bytes needed by arch in front of individual sections */ +unsigned int __weak arch_mod_section_prepend(struct module *mod, + unsigned int section) +{ + /* default implementation just returns zero */ + return 0; +} + /* Update size with this section: return offset. */ -static long get_offset(unsigned int *size, Elf_Shdr *sechdr) +static long get_offset(struct module *mod, unsigned int *size, + Elf_Shdr *sechdr, unsigned int section) { long ret; + *size += arch_mod_section_prepend(mod, section); ret = ALIGN(*size, sechdr->sh_addralign ?: 1); *size = ret + sechdr->sh_size; return ret; @@ -1622,7 +1642,7 @@ static void layout_sections(struct module *mod, || strncmp(secstrings + s->sh_name, ".init", 5) == 0) continue; - s->sh_entsize = get_offset(&mod->core_size, s); + s->sh_entsize = get_offset(mod, &mod->core_size, s, i); DEBUGP("\t%s\n", secstrings + s->sh_name); } if (m == 0) @@ -1640,7 +1660,7 @@ static void layout_sections(struct module *mod, || strncmp(secstrings + s->sh_name, ".init", 5) != 0) continue; - s->sh_entsize = (get_offset(&mod->init_size, s) + s->sh_entsize = (get_offset(mod, &mod->init_size, s, i) | INIT_OFFSET_MASK); DEBUGP("\t%s\n", secstrings + s->sh_name); } @@ -1725,15 +1745,15 @@ static const struct kernel_symbol *lookup_symbol(const char *name, return NULL; } -static int is_exported(const char *name, const struct module *mod) +static int is_exported(const char *name, unsigned long value, + const struct module *mod) { - if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab)) - return 1; + const struct kernel_symbol *ks; + if (!mod) + ks = lookup_symbol(name, __start___ksymtab, __stop___ksymtab); else - if (mod && lookup_symbol(name, mod->syms, mod->syms + mod->num_syms)) - return 1; - else - return 0; + ks = lookup_symbol(name, mod->syms, mod->syms + mod->num_syms); + return ks != NULL && ks->value == value; } /* As per nm */ @@ -1865,6 +1885,13 @@ static noinline struct module *load_module(void __user *umod, /* vmalloc barfs on "unusual" numbers. Check here */ if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL) return ERR_PTR(-ENOMEM); + + /* Create stop_machine threads since the error path relies on + * a non-failing stop_machine call. */ + err = stop_machine_create(); + if (err) + goto free_hdr; + if (copy_from_user(hdr, umod, len) != 0) { err = -EFAULT; goto free_hdr; @@ -2248,6 +2275,7 @@ static noinline struct module *load_module(void __user *umod, /* Get rid of temporary copy */ vfree(hdr); + stop_machine_destroy(); /* Done! */ return mod; @@ -2270,6 +2298,7 @@ static noinline struct module *load_module(void __user *umod, kfree(args); free_hdr: vfree(hdr); + stop_machine_destroy(); return ERR_PTR(err); truncated: @@ -2504,7 +2533,7 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, strlcpy(name, mod->strtab + mod->symtab[symnum].st_name, KSYM_NAME_LEN); strlcpy(module_name, mod->name, MODULE_NAME_LEN); - *exported = is_exported(name, mod); + *exported = is_exported(name, *value, mod); preempt_enable(); return 0; } diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 286c41722e8..0cd415ee62a 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -38,7 +38,10 @@ struct stop_machine_data { static unsigned int num_threads; static atomic_t thread_ack; static DEFINE_MUTEX(lock); - +/* setup_lock protects refcount, stop_machine_wq and stop_machine_work. */ +static DEFINE_MUTEX(setup_lock); +/* Users of stop_machine. */ +static int refcount; static struct workqueue_struct *stop_machine_wq; static struct stop_machine_data active, idle; static const cpumask_t *active_cpus; @@ -109,6 +112,43 @@ static int chill(void *unused) return 0; } +int stop_machine_create(void) +{ + mutex_lock(&setup_lock); + if (refcount) + goto done; + stop_machine_wq = create_rt_workqueue("kstop"); + if (!stop_machine_wq) + goto err_out; + stop_machine_work = alloc_percpu(struct work_struct); + if (!stop_machine_work) + goto err_out; +done: + refcount++; + mutex_unlock(&setup_lock); + return 0; + +err_out: + if (stop_machine_wq) + destroy_workqueue(stop_machine_wq); + mutex_unlock(&setup_lock); + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(stop_machine_create); + +void stop_machine_destroy(void) +{ + mutex_lock(&setup_lock); + refcount--; + if (refcount) + goto done; + destroy_workqueue(stop_machine_wq); + free_percpu(stop_machine_work); +done: + mutex_unlock(&setup_lock); +} +EXPORT_SYMBOL_GPL(stop_machine_destroy); + int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) { struct work_struct *sm_work; @@ -146,19 +186,14 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) { int ret; + ret = stop_machine_create(); + if (ret) + return ret; /* No CPUs can come up or down during this. */ get_online_cpus(); ret = __stop_machine(fn, data, cpus); put_online_cpus(); - + stop_machine_destroy(); return ret; } EXPORT_SYMBOL_GPL(stop_machine); - -static int __init stop_machine_init(void) -{ - stop_machine_wq = create_rt_workqueue("kstop"); - stop_machine_work = alloc_percpu(struct work_struct); - return 0; -} -core_initcall(stop_machine_init); diff --git a/lib/swiotlb.c b/lib/swiotlb.c index fa2dc4e5f9b..7f5e21b9c16 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/swiotlb.h> #include <linux/string.h> -#include <linux/swiotlb.h> #include <linux/types.h> #include <linux/ctype.h> #include <linux/highmem.h> @@ -116,7 +115,7 @@ setup_io_tlb_npages(char *str) __setup("swiotlb=", setup_io_tlb_npages); /* make io_tlb_overflow tunable too? */ -void * __weak swiotlb_alloc_boot(size_t size, unsigned long nslabs) +void * __weak __init swiotlb_alloc_boot(size_t size, unsigned long nslabs) { return alloc_bootmem_low_pages(size); } diff --git a/mm/filemap.c b/mm/filemap.c index f3e5f8944d1..f5769b4dc07 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1766,7 +1766,7 @@ int should_remove_suid(struct dentry *dentry) if (unlikely((mode & S_ISGID) && (mode & S_IXGRP))) kill |= ATTR_KILL_SGID; - if (unlikely(kill && !capable(CAP_FSETID))) + if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode))) return kill; return 0; @@ -2140,19 +2140,24 @@ EXPORT_SYMBOL(generic_file_direct_write); * Find or create a page at the given pagecache position. Return the locked * page. This function is specifically for buffered writes. */ -struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index) +struct page *grab_cache_page_write_begin(struct address_space *mapping, + pgoff_t index, unsigned flags) { int status; struct page *page; + gfp_t gfp_notmask = 0; + if (flags & AOP_FLAG_NOFS) + gfp_notmask = __GFP_FS; repeat: page = find_lock_page(mapping, index); if (likely(page)) return page; - page = page_cache_alloc(mapping); + page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask); if (!page) return NULL; - status = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL); + status = add_to_page_cache_lru(page, mapping, index, + GFP_KERNEL & ~gfp_notmask); if (unlikely(status)) { page_cache_release(page); if (status == -EEXIST) @@ -2161,7 +2166,7 @@ repeat: } return page; } -EXPORT_SYMBOL(__grab_cache_page); +EXPORT_SYMBOL(grab_cache_page_write_begin); static ssize_t generic_perform_write(struct file *file, struct iov_iter *i, loff_t pos) diff --git a/mm/memory.c b/mm/memory.c index 0a2010a9518..7b9db658aca 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2266,7 +2266,7 @@ int vmtruncate(struct inode * inode, loff_t offset) unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); } - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; @@ -2286,7 +2286,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end) * a way to truncate a range of blocks (punch a hole) - * we should return failure right now. */ - if (!inode->i_op || !inode->i_op->truncate_range) + if (!inode->i_op->truncate_range) return -ENOSYS; mutex_lock(&inode->i_mutex); diff --git a/mm/mmap.c b/mm/mmap.c index d4855a682ab..2c778fcfd9b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3,7 +3,7 @@ * * Written by obz. * - * Address space accounting code <alan@redhat.com> + * Address space accounting code <alan@lxorguk.ukuu.org.uk> */ #include <linux/slab.h> diff --git a/mm/mprotect.c b/mm/mprotect.c index fded06f923f..cfb4c485206 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -4,7 +4,7 @@ * (C) Copyright 1994 Linus Torvalds * (C) Copyright 2002 Christoph Hellwig * - * Address space accounting code <alan@redhat.com> + * Address space accounting code <alan@lxorguk.ukuu.org.uk> * (C) Copyright 2002 Red Hat Inc, All Rights Reserved */ diff --git a/mm/mremap.c b/mm/mremap.c index 58a2908f42f..646de959aa5 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -3,7 +3,7 @@ * * (C) Copyright 1996 Linus Torvalds * - * Address space accounting code <alan@redhat.com> + * Address space accounting code <alan@lxorguk.ukuu.org.uk> * (C) Copyright 2002 Red Hat Inc, All Rights Reserved */ diff --git a/mm/msync.c b/mm/msync.c index 144a7570535..07dae08cf31 100644 --- a/mm/msync.c +++ b/mm/msync.c @@ -82,7 +82,7 @@ asmlinkage long sys_msync(unsigned long start, size_t len, int flags) (vma->vm_flags & VM_SHARED)) { get_file(file); up_read(&mm->mmap_sem); - error = do_fsync(file, 0); + error = vfs_fsync(file, file->f_path.dentry, 0); fput(file); if (error || start >= end) goto out; diff --git a/mm/nommu.c b/mm/nommu.c index 7695dc85078..1c28ea3a4e9 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -86,7 +86,7 @@ do_expand: i_size_write(inode, offset); out_truncate: - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; out_sig: diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 1ddb77ba399..7465f22fec0 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -151,11 +151,12 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr, * * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N] */ -static int vmap_page_range(unsigned long addr, unsigned long end, +static int vmap_page_range(unsigned long start, unsigned long end, pgprot_t prot, struct page **pages) { pgd_t *pgd; unsigned long next; + unsigned long addr = start; int err = 0; int nr = 0; @@ -167,7 +168,7 @@ static int vmap_page_range(unsigned long addr, unsigned long end, if (err) break; } while (pgd++, addr = next, addr != end); - flush_cache_vmap(addr, end); + flush_cache_vmap(start, end); if (unlikely(err)) return err; diff --git a/net/can/bcm.c b/net/can/bcm.c index da0d426c0ce..6248ae2502c 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -70,7 +70,7 @@ #define CAN_BCM_VERSION CAN_VERSION static __initdata const char banner[] = KERN_INFO - "can: broadcast manager protocol (rev " CAN_BCM_VERSION ")\n"; + "can: broadcast manager protocol (rev " CAN_BCM_VERSION " t)\n"; MODULE_DESCRIPTION("PF_CAN broadcast manager protocol"); MODULE_LICENSE("Dual BSD/GPL"); @@ -90,6 +90,7 @@ struct bcm_op { unsigned long frames_abs, frames_filtered; struct timeval ival1, ival2; struct hrtimer timer, thrtimer; + struct tasklet_struct tsklet, thrtsklet; ktime_t rx_stamp, kt_ival1, kt_ival2, kt_lastmsg; int rx_ifindex; int count; @@ -341,6 +342,23 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head, } } +static void bcm_tx_timeout_tsklet(unsigned long data) +{ + struct bcm_op *op = (struct bcm_op *)data; + struct bcm_msg_head msg_head; + + /* create notification to user */ + msg_head.opcode = TX_EXPIRED; + msg_head.flags = op->flags; + msg_head.count = op->count; + msg_head.ival1 = op->ival1; + msg_head.ival2 = op->ival2; + msg_head.can_id = op->can_id; + msg_head.nframes = 0; + + bcm_send_to_user(op, &msg_head, NULL, 0); +} + /* * bcm_tx_timeout_handler - performes cyclic CAN frame transmissions */ @@ -352,20 +370,8 @@ static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer) if (op->kt_ival1.tv64 && (op->count > 0)) { op->count--; - if (!op->count && (op->flags & TX_COUNTEVT)) { - struct bcm_msg_head msg_head; - - /* create notification to user */ - msg_head.opcode = TX_EXPIRED; - msg_head.flags = op->flags; - msg_head.count = op->count; - msg_head.ival1 = op->ival1; - msg_head.ival2 = op->ival2; - msg_head.can_id = op->can_id; - msg_head.nframes = 0; - - bcm_send_to_user(op, &msg_head, NULL, 0); - } + if (!op->count && (op->flags & TX_COUNTEVT)) + tasklet_schedule(&op->tsklet); } if (op->kt_ival1.tv64 && (op->count > 0)) { @@ -402,6 +408,9 @@ static void bcm_rx_changed(struct bcm_op *op, struct can_frame *data) if (op->frames_filtered > ULONG_MAX/100) op->frames_filtered = op->frames_abs = 0; + /* this element is not throttled anymore */ + data->can_dlc &= (BCM_CAN_DLC_MASK|RX_RECV); + head.opcode = RX_CHANGED; head.flags = op->flags; head.count = op->count; @@ -420,37 +429,32 @@ static void bcm_rx_changed(struct bcm_op *op, struct can_frame *data) */ static void bcm_rx_update_and_send(struct bcm_op *op, struct can_frame *lastdata, - struct can_frame *rxdata) + const struct can_frame *rxdata) { memcpy(lastdata, rxdata, CFSIZ); - /* mark as used */ - lastdata->can_dlc |= RX_RECV; + /* mark as used and throttled by default */ + lastdata->can_dlc |= (RX_RECV|RX_THR); - /* throtteling mode inactive OR data update already on the run ? */ - if (!op->kt_ival2.tv64 || hrtimer_callback_running(&op->thrtimer)) { + /* throtteling mode inactive ? */ + if (!op->kt_ival2.tv64) { /* send RX_CHANGED to the user immediately */ - bcm_rx_changed(op, rxdata); + bcm_rx_changed(op, lastdata); return; } - if (hrtimer_active(&op->thrtimer)) { - /* mark as 'throttled' */ - lastdata->can_dlc |= RX_THR; + /* with active throttling timer we are just done here */ + if (hrtimer_active(&op->thrtimer)) return; - } - if (!op->kt_lastmsg.tv64) { - /* send first RX_CHANGED to the user immediately */ - bcm_rx_changed(op, rxdata); - op->kt_lastmsg = ktime_get(); - return; - } + /* first receiption with enabled throttling mode */ + if (!op->kt_lastmsg.tv64) + goto rx_changed_settime; + /* got a second frame inside a potential throttle period? */ if (ktime_us_delta(ktime_get(), op->kt_lastmsg) < ktime_to_us(op->kt_ival2)) { - /* mark as 'throttled' and start timer */ - lastdata->can_dlc |= RX_THR; + /* do not send the saved data - only start throttle timer */ hrtimer_start(&op->thrtimer, ktime_add(op->kt_lastmsg, op->kt_ival2), HRTIMER_MODE_ABS); @@ -458,7 +462,8 @@ static void bcm_rx_update_and_send(struct bcm_op *op, } /* the gap was that big, that throttling was not needed here */ - bcm_rx_changed(op, rxdata); +rx_changed_settime: + bcm_rx_changed(op, lastdata); op->kt_lastmsg = ktime_get(); } @@ -467,7 +472,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op, * received data stored in op->last_frames[] */ static void bcm_rx_cmp_to_index(struct bcm_op *op, int index, - struct can_frame *rxdata) + const struct can_frame *rxdata) { /* * no one uses the MSBs of can_dlc for comparation, @@ -511,14 +516,12 @@ static void bcm_rx_starttimer(struct bcm_op *op) hrtimer_start(&op->timer, op->kt_ival1, HRTIMER_MODE_REL); } -/* - * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out - */ -static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) +static void bcm_rx_timeout_tsklet(unsigned long data) { - struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer); + struct bcm_op *op = (struct bcm_op *)data; struct bcm_msg_head msg_head; + /* create notification to user */ msg_head.opcode = RX_TIMEOUT; msg_head.flags = op->flags; msg_head.count = op->count; @@ -528,6 +531,17 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) msg_head.nframes = 0; bcm_send_to_user(op, &msg_head, NULL, 0); +} + +/* + * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out + */ +static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) +{ + struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer); + + /* schedule before NET_RX_SOFTIRQ */ + tasklet_hi_schedule(&op->tsklet); /* no restart of the timer is done here! */ @@ -541,9 +555,25 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) } /* + * bcm_rx_do_flush - helper for bcm_rx_thr_flush + */ +static inline int bcm_rx_do_flush(struct bcm_op *op, int update, int index) +{ + if ((op->last_frames) && (op->last_frames[index].can_dlc & RX_THR)) { + if (update) + bcm_rx_changed(op, &op->last_frames[index]); + return 1; + } + return 0; +} + +/* * bcm_rx_thr_flush - Check for throttled data and send it to the userspace + * + * update == 0 : just check if throttled data is available (any irq context) + * update == 1 : check and send throttled data to userspace (soft_irq context) */ -static int bcm_rx_thr_flush(struct bcm_op *op) +static int bcm_rx_thr_flush(struct bcm_op *op, int update) { int updated = 0; @@ -551,27 +581,25 @@ static int bcm_rx_thr_flush(struct bcm_op *op) int i; /* for MUX filter we start at index 1 */ - for (i = 1; i < op->nframes; i++) { - if ((op->last_frames) && - (op->last_frames[i].can_dlc & RX_THR)) { - op->last_frames[i].can_dlc &= ~RX_THR; - bcm_rx_changed(op, &op->last_frames[i]); - updated++; - } - } + for (i = 1; i < op->nframes; i++) + updated += bcm_rx_do_flush(op, update, i); } else { /* for RX_FILTER_ID and simple filter */ - if (op->last_frames && (op->last_frames[0].can_dlc & RX_THR)) { - op->last_frames[0].can_dlc &= ~RX_THR; - bcm_rx_changed(op, &op->last_frames[0]); - updated++; - } + updated += bcm_rx_do_flush(op, update, 0); } return updated; } +static void bcm_rx_thr_tsklet(unsigned long data) +{ + struct bcm_op *op = (struct bcm_op *)data; + + /* push the changed data to the userspace */ + bcm_rx_thr_flush(op, 1); +} + /* * bcm_rx_thr_handler - the time for blocked content updates is over now: * Check for throttled data and send it to the userspace @@ -580,7 +608,9 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer) { struct bcm_op *op = container_of(hrtimer, struct bcm_op, thrtimer); - if (bcm_rx_thr_flush(op)) { + tasklet_schedule(&op->thrtsklet); + + if (bcm_rx_thr_flush(op, 0)) { hrtimer_forward(hrtimer, ktime_get(), op->kt_ival2); return HRTIMER_RESTART; } else { @@ -596,48 +626,38 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer) static void bcm_rx_handler(struct sk_buff *skb, void *data) { struct bcm_op *op = (struct bcm_op *)data; - struct can_frame rxframe; + const struct can_frame *rxframe = (struct can_frame *)skb->data; int i; /* disable timeout */ hrtimer_cancel(&op->timer); - if (skb->len == sizeof(rxframe)) { - memcpy(&rxframe, skb->data, sizeof(rxframe)); - /* save rx timestamp */ - op->rx_stamp = skb->tstamp; - /* save originator for recvfrom() */ - op->rx_ifindex = skb->dev->ifindex; - /* update statistics */ - op->frames_abs++; - kfree_skb(skb); + if (op->can_id != rxframe->can_id) + goto rx_freeskb; - } else { - kfree_skb(skb); - return; - } - - if (op->can_id != rxframe.can_id) - return; + /* save rx timestamp */ + op->rx_stamp = skb->tstamp; + /* save originator for recvfrom() */ + op->rx_ifindex = skb->dev->ifindex; + /* update statistics */ + op->frames_abs++; if (op->flags & RX_RTR_FRAME) { /* send reply for RTR-request (placed in op->frames[0]) */ bcm_can_tx(op); - return; + goto rx_freeskb; } if (op->flags & RX_FILTER_ID) { /* the easiest case */ - bcm_rx_update_and_send(op, &op->last_frames[0], &rxframe); - bcm_rx_starttimer(op); - return; + bcm_rx_update_and_send(op, &op->last_frames[0], rxframe); + goto rx_freeskb_starttimer; } if (op->nframes == 1) { /* simple compare with index 0 */ - bcm_rx_cmp_to_index(op, 0, &rxframe); - bcm_rx_starttimer(op); - return; + bcm_rx_cmp_to_index(op, 0, rxframe); + goto rx_freeskb_starttimer; } if (op->nframes > 1) { @@ -649,15 +669,19 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data) */ for (i = 1; i < op->nframes; i++) { - if ((GET_U64(&op->frames[0]) & GET_U64(&rxframe)) == + if ((GET_U64(&op->frames[0]) & GET_U64(rxframe)) == (GET_U64(&op->frames[0]) & GET_U64(&op->frames[i]))) { - bcm_rx_cmp_to_index(op, i, &rxframe); + bcm_rx_cmp_to_index(op, i, rxframe); break; } } - bcm_rx_starttimer(op); } + +rx_freeskb_starttimer: + bcm_rx_starttimer(op); +rx_freeskb: + kfree_skb(skb); } /* @@ -681,6 +705,12 @@ static void bcm_remove_op(struct bcm_op *op) hrtimer_cancel(&op->timer); hrtimer_cancel(&op->thrtimer); + if (op->tsklet.func) + tasklet_kill(&op->tsklet); + + if (op->thrtsklet.func) + tasklet_kill(&op->thrtsklet); + if ((op->frames) && (op->frames != &op->sframe)) kfree(op->frames); @@ -891,6 +921,10 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->timer.function = bcm_tx_timeout_handler; + /* initialize tasklet for tx countevent notification */ + tasklet_init(&op->tsklet, bcm_tx_timeout_tsklet, + (unsigned long) op); + /* currently unused in tx_ops */ hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); @@ -1054,9 +1088,17 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->timer.function = bcm_rx_timeout_handler; + /* initialize tasklet for rx timeout notification */ + tasklet_init(&op->tsklet, bcm_rx_timeout_tsklet, + (unsigned long) op); + hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->thrtimer.function = bcm_rx_thr_handler; + /* initialize tasklet for rx throttle handling */ + tasklet_init(&op->thrtsklet, bcm_rx_thr_tsklet, + (unsigned long) op); + /* add this bcm_op to the list of the rx_ops */ list_add(&op->list, &bo->rx_ops); @@ -1102,7 +1144,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, */ op->kt_lastmsg = ktime_set(0, 0); hrtimer_cancel(&op->thrtimer); - bcm_rx_thr_flush(op); + bcm_rx_thr_flush(op, 1); } if ((op->flags & STARTTIMER) && op->kt_ival1.tv64) diff --git a/net/core/dev.c b/net/core/dev.c index 09c66a449da..382df6c09ee 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -132,6 +132,9 @@ /* Instead of increasing this, you should create a hash table. */ #define MAX_GRO_SKBS 8 +/* This should be increased if a protocol with a bigger head is added. */ +#define GRO_MAX_HEAD (MAX_HEADER + 128) + /* * The list of packet types we will receive (as opposed to discard) * and the routines to invoke. @@ -2345,7 +2348,7 @@ static int napi_gro_complete(struct sk_buff *skb) struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK]; int err = -ENOENT; - if (!skb_shinfo(skb)->frag_list) + if (NAPI_GRO_CB(skb)->count == 1) goto out; rcu_read_lock(); @@ -2365,6 +2368,7 @@ static int napi_gro_complete(struct sk_buff *skb) } out: + skb_shinfo(skb)->gso_size = 0; __skb_push(skb, -skb_network_offset(skb)); return netif_receive_skb(skb); } @@ -2383,7 +2387,7 @@ void napi_gro_flush(struct napi_struct *napi) } EXPORT_SYMBOL(napi_gro_flush); -int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff **pp = NULL; struct packet_type *ptype; @@ -2392,6 +2396,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) int count = 0; int same_flow; int mac_len; + int free; if (!(skb->dev->features & NETIF_F_GRO)) goto normal; @@ -2408,6 +2413,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) skb->mac_len = mac_len; NAPI_GRO_CB(skb)->same_flow = 0; NAPI_GRO_CB(skb)->flush = 0; + NAPI_GRO_CB(skb)->free = 0; for (p = napi->gro_list; p; p = p->next) { count++; @@ -2427,6 +2433,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) goto normal; same_flow = NAPI_GRO_CB(skb)->same_flow; + free = NAPI_GRO_CB(skb)->free; if (pp) { struct sk_buff *nskb = *pp; @@ -2446,17 +2453,91 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) } NAPI_GRO_CB(skb)->count = 1; + skb_shinfo(skb)->gso_size = skb->len; skb->next = napi->gro_list; napi->gro_list = skb; ok: - return NET_RX_SUCCESS; + return free; normal: - return netif_receive_skb(skb); + return -1; +} + +int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +{ + switch (__napi_gro_receive(napi, skb)) { + case -1: + return netif_receive_skb(skb); + + case 1: + kfree_skb(skb); + break; + } + + return NET_RX_SUCCESS; } EXPORT_SYMBOL(napi_gro_receive); +int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) +{ + struct net_device *dev = napi->dev; + struct sk_buff *skb = napi->skb; + int err = NET_RX_DROP; + + napi->skb = NULL; + + if (!skb) { + skb = netdev_alloc_skb(dev, GRO_MAX_HEAD + NET_IP_ALIGN); + if (!skb) + goto out; + + skb_reserve(skb, NET_IP_ALIGN); + } + + BUG_ON(info->nr_frags > MAX_SKB_FRAGS); + skb_shinfo(skb)->nr_frags = info->nr_frags; + memcpy(skb_shinfo(skb)->frags, info->frags, sizeof(info->frags)); + + skb->data_len = info->len; + skb->len += info->len; + skb->truesize += info->len; + + if (!pskb_may_pull(skb, ETH_HLEN)) + goto reuse; + + err = NET_RX_SUCCESS; + + skb->protocol = eth_type_trans(skb, dev); + + skb->ip_summed = info->ip_summed; + skb->csum = info->csum; + + switch (__napi_gro_receive(napi, skb)) { + case -1: + return netif_receive_skb(skb); + + case 0: + goto out; + } + +reuse: + skb_shinfo(skb)->nr_frags = 0; + + skb->len -= skb->data_len; + skb->truesize -= skb->data_len; + skb->data_len = 0; + + __skb_pull(skb, skb_headlen(skb)); + skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); + + napi->skb = skb; + +out: + return err; +} +EXPORT_SYMBOL(napi_gro_frags); + static int process_backlog(struct napi_struct *napi, int quota) { int work = 0; @@ -2535,11 +2616,12 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, { INIT_LIST_HEAD(&napi->poll_list); napi->gro_list = NULL; + napi->skb = NULL; napi->poll = poll; napi->weight = weight; list_add(&napi->dev_list, &dev->napi_list); -#ifdef CONFIG_NETPOLL napi->dev = dev; +#ifdef CONFIG_NETPOLL spin_lock_init(&napi->poll_lock); napi->poll_owner = -1; #endif @@ -2552,6 +2634,7 @@ void netif_napi_del(struct napi_struct *napi) struct sk_buff *skb, *next; list_del_init(&napi->dev_list); + kfree(napi->skb); for (skb = napi->gro_list; skb; skb = next) { next = skb->next; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b8d0abb2643..5110b359c75 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2594,6 +2594,17 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) if (skb_shinfo(p)->frag_list) goto merge; + else if (!skb_headlen(p) && !skb_headlen(skb) && + skb_shinfo(p)->nr_frags + skb_shinfo(skb)->nr_frags < + MAX_SKB_FRAGS) { + memcpy(skb_shinfo(p)->frags + skb_shinfo(p)->nr_frags, + skb_shinfo(skb)->frags, + skb_shinfo(skb)->nr_frags * sizeof(skb_frag_t)); + + skb_shinfo(p)->nr_frags += skb_shinfo(skb)->nr_frags; + NAPI_GRO_CB(skb)->free = 1; + goto done; + } headroom = skb_headroom(p); nskb = netdev_alloc_skb(p->dev, headroom); @@ -2613,6 +2624,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) *NAPI_GRO_CB(nskb) = *NAPI_GRO_CB(p); skb_shinfo(nskb)->frag_list = p; + skb_shinfo(nskb)->gso_size = skb_shinfo(p)->gso_size; skb_header_release(p); nskb->prev = p; @@ -2627,11 +2639,12 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: - NAPI_GRO_CB(p)->count++; p->prev->next = skb; p->prev = skb; skb_header_release(skb); +done: + NAPI_GRO_CB(p)->count++; p->data_len += skb->len; p->truesize += skb->len; p->len += skb->len; diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 5dbfe5fdc0d..8379496de82 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -191,7 +191,7 @@ static int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); return ret; } @@ -272,7 +272,7 @@ static int dcbnl_getpfccfg(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -314,7 +314,7 @@ static int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb, nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -380,7 +380,7 @@ static int dcbnl_getcap(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -458,7 +458,7 @@ static int dcbnl_getnumtcs(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return ret; } @@ -687,7 +687,7 @@ err_pg: nla_nest_cancel(dcbnl_skb, pg_nest); nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: ret = -EINVAL; return ret; @@ -949,7 +949,7 @@ err_bcn: nla_nest_cancel(dcbnl_skb, bcn_nest); nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: ret = -EINVAL; return ret; diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig index 7aa2a7acc7e..ad6dffd9070 100644 --- a/net/dccp/Kconfig +++ b/net/dccp/Kconfig @@ -1,7 +1,6 @@ menuconfig IP_DCCP tristate "The DCCP Protocol (EXPERIMENTAL)" depends on INET && EXPERIMENTAL - select IP_DCCP_CCID2 ---help--- Datagram Congestion Control Protocol (RFC 4340) @@ -25,9 +24,6 @@ config INET_DCCP_DIAG def_tristate y if (IP_DCCP = y && INET_DIAG = y) def_tristate m -config IP_DCCP_ACKVEC - bool - source "net/dccp/ccids/Kconfig" menu "DCCP Kernel Hacking" diff --git a/net/dccp/Makefile b/net/dccp/Makefile index f4f8793aaff..2991efcc8de 100644 --- a/net/dccp/Makefile +++ b/net/dccp/Makefile @@ -2,14 +2,23 @@ obj-$(CONFIG_IP_DCCP) += dccp.o dccp_ipv4.o dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o +# +# CCID algorithms to be used by dccp.ko +# +# CCID-2 is default (RFC 4340, p. 77) and has Ack Vectors as dependency +dccp-y += ccids/ccid2.o ackvec.o +dccp-$(CONFIG_IP_DCCP_CCID3) += ccids/ccid3.o +dccp-$(CONFIG_IP_DCCP_TFRC_LIB) += ccids/lib/tfrc.o \ + ccids/lib/tfrc_equation.o \ + ccids/lib/packet_history.o \ + ccids/lib/loss_interval.o + dccp_ipv4-y := ipv4.o # build dccp_ipv6 as module whenever either IPv6 or DCCP is a module obj-$(subst y,$(CONFIG_IP_DCCP),$(CONFIG_IPV6)) += dccp_ipv6.o dccp_ipv6-y := ipv6.o -dccp-$(CONFIG_IP_DCCP_ACKVEC) += ackvec.o - obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o obj-$(CONFIG_NET_DCCPPROBE) += dccp_probe.o @@ -17,5 +26,3 @@ dccp-$(CONFIG_SYSCTL) += sysctl.o dccp_diag-y := diag.o dccp_probe-y := probe.o - -obj-y += ccids/ diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h index 4ccee030524..45f95e55f87 100644 --- a/net/dccp/ackvec.h +++ b/net/dccp/ackvec.h @@ -84,7 +84,6 @@ struct dccp_ackvec_record { struct sock; struct sk_buff; -#ifdef CONFIG_IP_DCCP_ACKVEC extern int dccp_ackvec_init(void); extern void dccp_ackvec_exit(void); @@ -106,52 +105,4 @@ static inline int dccp_ackvec_pending(const struct dccp_ackvec *av) { return av->av_vec_len; } -#else /* CONFIG_IP_DCCP_ACKVEC */ -static inline int dccp_ackvec_init(void) -{ - return 0; -} - -static inline void dccp_ackvec_exit(void) -{ -} - -static inline struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority) -{ - return NULL; -} - -static inline void dccp_ackvec_free(struct dccp_ackvec *av) -{ -} - -static inline int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk, - const u64 ackno, const u8 state) -{ - return -1; -} - -static inline void dccp_ackvec_check_rcv_ackno(struct dccp_ackvec *av, - struct sock *sk, const u64 ackno) -{ -} - -static inline int dccp_ackvec_parse(struct sock *sk, const struct sk_buff *skb, - const u64 *ackno, const u8 opt, - const u8 *value, const u8 len) -{ - return -1; -} - -static inline int dccp_insert_option_ackvec(const struct sock *sk, - const struct sk_buff *skb) -{ - return -1; -} - -static inline int dccp_ackvec_pending(const struct dccp_ackvec *av) -{ - return 0; -} -#endif /* CONFIG_IP_DCCP_ACKVEC */ #endif /* _ACKVEC_H */ diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index bcc643f992a..f3e9ba1cfd0 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -12,56 +12,70 @@ */ #include "ccid.h" +#include "ccids/lib/tfrc.h" -static u8 builtin_ccids[] = { - DCCPC_CCID2, /* CCID2 is supported by default */ -#if defined(CONFIG_IP_DCCP_CCID3) || defined(CONFIG_IP_DCCP_CCID3_MODULE) - DCCPC_CCID3, +static struct ccid_operations *ccids[] = { + &ccid2_ops, +#ifdef CONFIG_IP_DCCP_CCID3 + &ccid3_ops, #endif }; -static struct ccid_operations *ccids[CCID_MAX]; -#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT) -static atomic_t ccids_lockct = ATOMIC_INIT(0); -static DEFINE_SPINLOCK(ccids_lock); - -/* - * The strategy is: modifications ccids vector are short, do not sleep and - * veeery rare, but read access should be free of any exclusive locks. - */ -static void ccids_write_lock(void) +static struct ccid_operations *ccid_by_number(const u8 id) { - spin_lock(&ccids_lock); - while (atomic_read(&ccids_lockct) != 0) { - spin_unlock(&ccids_lock); - yield(); - spin_lock(&ccids_lock); - } + int i; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) + if (ccids[i]->ccid_id == id) + return ccids[i]; + return NULL; } -static inline void ccids_write_unlock(void) +/* check that up to @array_len members in @ccid_array are supported */ +bool ccid_support_check(u8 const *ccid_array, u8 array_len) { - spin_unlock(&ccids_lock); + while (array_len > 0) + if (ccid_by_number(ccid_array[--array_len]) == NULL) + return false; + return true; } -static inline void ccids_read_lock(void) +/** + * ccid_get_builtin_ccids - Populate a list of built-in CCIDs + * @ccid_array: pointer to copy into + * @array_len: value to return length into + * This function allocates memory - caller must see that it is freed after use. + */ +int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len) { - atomic_inc(&ccids_lockct); - smp_mb__after_atomic_inc(); - spin_unlock_wait(&ccids_lock); + *ccid_array = kmalloc(ARRAY_SIZE(ccids), gfp_any()); + if (*ccid_array == NULL) + return -ENOBUFS; + + for (*array_len = 0; *array_len < ARRAY_SIZE(ccids); *array_len += 1) + (*ccid_array)[*array_len] = ccids[*array_len]->ccid_id; + return 0; } -static inline void ccids_read_unlock(void) +int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, + char __user *optval, int __user *optlen) { - atomic_dec(&ccids_lockct); -} + u8 *ccid_array, array_len; + int err = 0; -#else -#define ccids_write_lock() do { } while(0) -#define ccids_write_unlock() do { } while(0) -#define ccids_read_lock() do { } while(0) -#define ccids_read_unlock() do { } while(0) -#endif + if (len < ARRAY_SIZE(ccids)) + return -EINVAL; + + if (ccid_get_builtin_ccids(&ccid_array, &array_len)) + return -ENOBUFS; + + if (put_user(array_len, optlen) || + copy_to_user(optval, ccid_array, array_len)) + err = -EFAULT; + + kfree(ccid_array); + return err; +} static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...) { @@ -93,48 +107,7 @@ static void ccid_kmem_cache_destroy(struct kmem_cache *slab) } } -/* check that up to @array_len members in @ccid_array are supported */ -bool ccid_support_check(u8 const *ccid_array, u8 array_len) -{ - u8 i, j, found; - - for (i = 0, found = 0; i < array_len; i++, found = 0) { - for (j = 0; !found && j < ARRAY_SIZE(builtin_ccids); j++) - found = (ccid_array[i] == builtin_ccids[j]); - if (!found) - return false; - } - return true; -} - -/** - * ccid_get_builtin_ccids - Provide copy of `builtin' CCID array - * @ccid_array: pointer to copy into - * @array_len: value to return length into - * This function allocates memory - caller must see that it is freed after use. - */ -int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len) -{ - *ccid_array = kmemdup(builtin_ccids, sizeof(builtin_ccids), gfp_any()); - if (*ccid_array == NULL) - return -ENOBUFS; - *array_len = ARRAY_SIZE(builtin_ccids); - return 0; -} - -int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, - char __user *optval, int __user *optlen) -{ - if (len < sizeof(builtin_ccids)) - return -EINVAL; - - if (put_user(sizeof(builtin_ccids), optlen) || - copy_to_user(optval, builtin_ccids, sizeof(builtin_ccids))) - return -EFAULT; - return 0; -} - -int ccid_register(struct ccid_operations *ccid_ops) +static int ccid_activate(struct ccid_operations *ccid_ops) { int err = -ENOBUFS; @@ -152,79 +125,40 @@ int ccid_register(struct ccid_operations *ccid_ops) if (ccid_ops->ccid_hc_tx_slab == NULL) goto out_free_rx_slab; - ccids_write_lock(); - err = -EEXIST; - if (ccids[ccid_ops->ccid_id] == NULL) { - ccids[ccid_ops->ccid_id] = ccid_ops; - err = 0; - } - ccids_write_unlock(); - if (err != 0) - goto out_free_tx_slab; - - pr_info("CCID: Registered CCID %d (%s)\n", + pr_info("CCID: Activated CCID %d (%s)\n", ccid_ops->ccid_id, ccid_ops->ccid_name); + err = 0; out: return err; -out_free_tx_slab: - ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab); - ccid_ops->ccid_hc_tx_slab = NULL; - goto out; out_free_rx_slab: ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab); ccid_ops->ccid_hc_rx_slab = NULL; goto out; } -EXPORT_SYMBOL_GPL(ccid_register); - -int ccid_unregister(struct ccid_operations *ccid_ops) +static void ccid_deactivate(struct ccid_operations *ccid_ops) { - ccids_write_lock(); - ccids[ccid_ops->ccid_id] = NULL; - ccids_write_unlock(); - ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab); ccid_ops->ccid_hc_tx_slab = NULL; ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab); ccid_ops->ccid_hc_rx_slab = NULL; - pr_info("CCID: Unregistered CCID %d (%s)\n", + pr_info("CCID: Deactivated CCID %d (%s)\n", ccid_ops->ccid_id, ccid_ops->ccid_name); - return 0; } -EXPORT_SYMBOL_GPL(ccid_unregister); - -struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) +struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx) { - struct ccid_operations *ccid_ops; + struct ccid_operations *ccid_ops = ccid_by_number(id); struct ccid *ccid = NULL; - ccids_read_lock(); -#ifdef CONFIG_MODULES - if (ccids[id] == NULL) { - /* We only try to load if in process context */ - ccids_read_unlock(); - if (gfp & GFP_ATOMIC) - goto out; - request_module("net-dccp-ccid-%d", id); - ccids_read_lock(); - } -#endif - ccid_ops = ccids[id]; if (ccid_ops == NULL) - goto out_unlock; - - if (!try_module_get(ccid_ops->ccid_owner)) - goto out_unlock; - - ccids_read_unlock(); + goto out; ccid = kmem_cache_alloc(rx ? ccid_ops->ccid_hc_rx_slab : - ccid_ops->ccid_hc_tx_slab, gfp); + ccid_ops->ccid_hc_tx_slab, gfp_any()); if (ccid == NULL) - goto out_module_put; + goto out; ccid->ccid_ops = ccid_ops; if (rx) { memset(ccid + 1, 0, ccid_ops->ccid_hc_rx_obj_size); @@ -239,53 +173,57 @@ struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) } out: return ccid; -out_unlock: - ccids_read_unlock(); - goto out; out_free_ccid: kmem_cache_free(rx ? ccid_ops->ccid_hc_rx_slab : ccid_ops->ccid_hc_tx_slab, ccid); ccid = NULL; -out_module_put: - module_put(ccid_ops->ccid_owner); goto out; } -EXPORT_SYMBOL_GPL(ccid_new); - -static void ccid_delete(struct ccid *ccid, struct sock *sk, int rx) +void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk) { - struct ccid_operations *ccid_ops; - - if (ccid == NULL) - return; - - ccid_ops = ccid->ccid_ops; - if (rx) { - if (ccid_ops->ccid_hc_rx_exit != NULL) - ccid_ops->ccid_hc_rx_exit(sk); - kmem_cache_free(ccid_ops->ccid_hc_rx_slab, ccid); - } else { - if (ccid_ops->ccid_hc_tx_exit != NULL) - ccid_ops->ccid_hc_tx_exit(sk); - kmem_cache_free(ccid_ops->ccid_hc_tx_slab, ccid); + if (ccid != NULL) { + if (ccid->ccid_ops->ccid_hc_rx_exit != NULL) + ccid->ccid_ops->ccid_hc_rx_exit(sk); + kmem_cache_free(ccid->ccid_ops->ccid_hc_rx_slab, ccid); } - ccids_read_lock(); - if (ccids[ccid_ops->ccid_id] != NULL) - module_put(ccid_ops->ccid_owner); - ccids_read_unlock(); } -void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk) +void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk) { - ccid_delete(ccid, sk, 1); + if (ccid != NULL) { + if (ccid->ccid_ops->ccid_hc_tx_exit != NULL) + ccid->ccid_ops->ccid_hc_tx_exit(sk); + kmem_cache_free(ccid->ccid_ops->ccid_hc_tx_slab, ccid); + } } -EXPORT_SYMBOL_GPL(ccid_hc_rx_delete); - -void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk) +int __init ccid_initialize_builtins(void) { - ccid_delete(ccid, sk, 0); + int i, err = tfrc_lib_init(); + + if (err) + return err; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) { + err = ccid_activate(ccids[i]); + if (err) + goto unwind_registrations; + } + return 0; + +unwind_registrations: + while(--i >= 0) + ccid_deactivate(ccids[i]); + tfrc_lib_exit(); + return err; } -EXPORT_SYMBOL_GPL(ccid_hc_tx_delete); +void ccid_cleanup_builtins(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) + ccid_deactivate(ccids[i]); + tfrc_lib_exit(); +} diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h index 18f69423a70..facedd20b53 100644 --- a/net/dccp/ccid.h +++ b/net/dccp/ccid.h @@ -29,7 +29,6 @@ struct tcp_info; * @ccid_id: numerical CCID ID (up to %CCID_MAX, cf. table 5 in RFC 4340, 10.) * @ccid_ccmps: the CCMPS including network/transport headers (0 when disabled) * @ccid_name: alphabetical identifier string for @ccid_id - * @ccid_owner: module which implements/owns this CCID * @ccid_hc_{r,t}x_slab: memory pool for the receiver/sender half-connection * @ccid_hc_{r,t}x_obj_size: size of the receiver/sender half-connection socket * @@ -48,7 +47,6 @@ struct ccid_operations { unsigned char ccid_id; __u32 ccid_ccmps; const char *ccid_name; - struct module *ccid_owner; struct kmem_cache *ccid_hc_rx_slab, *ccid_hc_tx_slab; __u32 ccid_hc_rx_obj_size, @@ -90,8 +88,13 @@ struct ccid_operations { int __user *optlen); }; -extern int ccid_register(struct ccid_operations *ccid_ops); -extern int ccid_unregister(struct ccid_operations *ccid_ops); +extern struct ccid_operations ccid2_ops; +#ifdef CONFIG_IP_DCCP_CCID3 +extern struct ccid_operations ccid3_ops; +#endif + +extern int ccid_initialize_builtins(void); +extern void ccid_cleanup_builtins(void); struct ccid { struct ccid_operations *ccid_ops; @@ -108,8 +111,7 @@ extern int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len); extern int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, char __user *, int __user *); -extern struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, - gfp_t gfp); +extern struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx); static inline int ccid_get_current_rx_ccid(struct dccp_sock *dp) { diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig index 12275943eab..b28bf962edc 100644 --- a/net/dccp/ccids/Kconfig +++ b/net/dccp/ccids/Kconfig @@ -1,80 +1,51 @@ menu "DCCP CCIDs Configuration (EXPERIMENTAL)" depends on EXPERIMENTAL -config IP_DCCP_CCID2 - tristate "CCID2 (TCP-Like) (EXPERIMENTAL)" - def_tristate IP_DCCP - select IP_DCCP_ACKVEC - ---help--- - CCID 2, TCP-like Congestion Control, denotes Additive Increase, - Multiplicative Decrease (AIMD) congestion control with behavior - modelled directly on TCP, including congestion window, slow start, - timeouts, and so forth [RFC 2581]. CCID 2 achieves maximum - bandwidth over the long term, consistent with the use of end-to-end - congestion control, but halves its congestion window in response to - each congestion event. This leads to the abrupt rate changes - typical of TCP. Applications should use CCID 2 if they prefer - maximum bandwidth utilization to steadiness of rate. This is often - the case for applications that are not playing their data directly - to the user. For example, a hypothetical application that - transferred files over DCCP, using application-level retransmissions - for lost packets, would prefer CCID 2 to CCID 3. On-line games may - also prefer CCID 2. See RFC 4341 for further details. - - CCID2 is the default CCID used by DCCP. - config IP_DCCP_CCID2_DEBUG - bool "CCID2 debugging messages" - depends on IP_DCCP_CCID2 - ---help--- - Enable CCID2-specific debugging messages. + bool "CCID-2 debugging messages" + ---help--- + Enable CCID-2 specific debugging messages. - When compiling CCID2 as a module, this debugging output can - additionally be toggled by setting the ccid2_debug module - parameter to 0 or 1. + The debugging output can additionally be toggled by setting the + ccid2_debug parameter to 0 or 1. - If in doubt, say N. + If in doubt, say N. config IP_DCCP_CCID3 - tristate "CCID3 (TCP-Friendly) (EXPERIMENTAL)" - def_tristate IP_DCCP - select IP_DCCP_TFRC_LIB + bool "CCID-3 (TCP-Friendly) (EXPERIMENTAL)" + def_bool y if (IP_DCCP = y || IP_DCCP = m) ---help--- - CCID 3 denotes TCP-Friendly Rate Control (TFRC), an equation-based + CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based rate-controlled congestion control mechanism. TFRC is designed to be reasonably fair when competing for bandwidth with TCP-like flows, where a flow is "reasonably fair" if its sending rate is generally within a factor of two of the sending rate of a TCP flow under the same conditions. However, TFRC has a much lower variation of - throughput over time compared with TCP, which makes CCID 3 more - suitable than CCID 2 for applications such streaming media where a + throughput over time compared with TCP, which makes CCID-3 more + suitable than CCID-2 for applications such streaming media where a relatively smooth sending rate is of importance. - CCID 3 is further described in RFC 4342, + CCID-3 is further described in RFC 4342, http://www.ietf.org/rfc/rfc4342.txt The TFRC congestion control algorithms were initially described in - RFC 3448. + RFC 5448. This text was extracted from RFC 4340 (sec. 10.2), http://www.ietf.org/rfc/rfc4340.txt - - To compile this CCID as a module, choose M here: the module will be - called dccp_ccid3. - If in doubt, say M. + If in doubt, say N. config IP_DCCP_CCID3_DEBUG - bool "CCID3 debugging messages" - depends on IP_DCCP_CCID3 - ---help--- - Enable CCID3-specific debugging messages. + bool "CCID-3 debugging messages" + depends on IP_DCCP_CCID3 + ---help--- + Enable CCID-3 specific debugging messages. - When compiling CCID3 as a module, this debugging output can - additionally be toggled by setting the ccid3_debug module - parameter to 0 or 1. + The debugging output can additionally be toggled by setting the + ccid3_debug parameter to 0 or 1. - If in doubt, say N. + If in doubt, say N. config IP_DCCP_CCID3_RTO int "Use higher bound for nofeedback timer" @@ -108,12 +79,8 @@ config IP_DCCP_CCID3_RTO therefore not be performed on WANs. config IP_DCCP_TFRC_LIB - tristate - default n + def_bool y if IP_DCCP_CCID3 config IP_DCCP_TFRC_DEBUG - bool - depends on IP_DCCP_TFRC_LIB - default y if IP_DCCP_CCID3_DEBUG - + def_bool y if IP_DCCP_CCID3_DEBUG endmenu diff --git a/net/dccp/ccids/Makefile b/net/dccp/ccids/Makefile deleted file mode 100644 index 438f20bccff..00000000000 --- a/net/dccp/ccids/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -obj-$(CONFIG_IP_DCCP_CCID3) += dccp_ccid3.o - -dccp_ccid3-y := ccid3.o - -obj-$(CONFIG_IP_DCCP_CCID2) += dccp_ccid2.o - -dccp_ccid2-y := ccid2.o - -obj-y += lib/ diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index c9ea19a4d85..d235294ace2 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -768,10 +768,9 @@ static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) } } -static struct ccid_operations ccid2 = { +struct ccid_operations ccid2_ops = { .ccid_id = DCCPC_CCID2, .ccid_name = "TCP-like", - .ccid_owner = THIS_MODULE, .ccid_hc_tx_obj_size = sizeof(struct ccid2_hc_tx_sock), .ccid_hc_tx_init = ccid2_hc_tx_init, .ccid_hc_tx_exit = ccid2_hc_tx_exit, @@ -784,22 +783,5 @@ static struct ccid_operations ccid2 = { #ifdef CONFIG_IP_DCCP_CCID2_DEBUG module_param(ccid2_debug, bool, 0644); -MODULE_PARM_DESC(ccid2_debug, "Enable debug messages"); +MODULE_PARM_DESC(ccid2_debug, "Enable CCID-2 debug messages"); #endif - -static __init int ccid2_module_init(void) -{ - return ccid_register(&ccid2); -} -module_init(ccid2_module_init); - -static __exit void ccid2_module_exit(void) -{ - ccid_unregister(&ccid2); -} -module_exit(ccid2_module_exit); - -MODULE_AUTHOR("Andrea Bittau <a.bittau@cs.ucl.ac.uk>"); -MODULE_DESCRIPTION("DCCP TCP-Like (CCID2) CCID"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("net-dccp-ccid-2"); diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 3b8bd7ca676..a27b7f4c19c 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -940,10 +940,9 @@ static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len, return 0; } -static struct ccid_operations ccid3 = { +struct ccid_operations ccid3_ops = { .ccid_id = DCCPC_CCID3, .ccid_name = "TCP-Friendly Rate Control", - .ccid_owner = THIS_MODULE, .ccid_hc_tx_obj_size = sizeof(struct ccid3_hc_tx_sock), .ccid_hc_tx_init = ccid3_hc_tx_init, .ccid_hc_tx_exit = ccid3_hc_tx_exit, @@ -964,23 +963,5 @@ static struct ccid_operations ccid3 = { #ifdef CONFIG_IP_DCCP_CCID3_DEBUG module_param(ccid3_debug, bool, 0644); -MODULE_PARM_DESC(ccid3_debug, "Enable debug messages"); +MODULE_PARM_DESC(ccid3_debug, "Enable CCID-3 debug messages"); #endif - -static __init int ccid3_module_init(void) -{ - return ccid_register(&ccid3); -} -module_init(ccid3_module_init); - -static __exit void ccid3_module_exit(void) -{ - ccid_unregister(&ccid3); -} -module_exit(ccid3_module_exit); - -MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, " - "Arnaldo Carvalho de Melo <acme@ghostprotocols.net>"); -MODULE_DESCRIPTION("DCCP TFRC CCID3 CCID"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("net-dccp-ccid-3"); diff --git a/net/dccp/ccids/lib/Makefile b/net/dccp/ccids/lib/Makefile deleted file mode 100644 index 68c93e3d89d..00000000000 --- a/net/dccp/ccids/lib/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_IP_DCCP_TFRC_LIB) += dccp_tfrc_lib.o - -dccp_tfrc_lib-y := tfrc.o tfrc_equation.o packet_history.o loss_interval.o diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index 5b3ce0688c5..4d1e4012726 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -60,7 +60,6 @@ void tfrc_lh_cleanup(struct tfrc_loss_hist *lh) lh->ring[LIH_INDEX(lh->counter)] = NULL; } } -EXPORT_SYMBOL_GPL(tfrc_lh_cleanup); static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh) { @@ -121,7 +120,6 @@ u8 tfrc_lh_update_i_mean(struct tfrc_loss_hist *lh, struct sk_buff *skb) return (lh->i_mean < old_i_mean); } -EXPORT_SYMBOL_GPL(tfrc_lh_update_i_mean); /* Determine if `new_loss' does begin a new loss interval [RFC 4342, 10.2] */ static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur, @@ -169,7 +167,6 @@ int tfrc_lh_interval_add(struct tfrc_loss_hist *lh, struct tfrc_rx_hist *rh, } return 1; } -EXPORT_SYMBOL_GPL(tfrc_lh_interval_add); int __init tfrc_li_init(void) { diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c index 6cc108afdc3..b7785b3581e 100644 --- a/net/dccp/ccids/lib/packet_history.c +++ b/net/dccp/ccids/lib/packet_history.c @@ -94,7 +94,6 @@ int tfrc_tx_hist_add(struct tfrc_tx_hist_entry **headp, u64 seqno) *headp = entry; return 0; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_add); void tfrc_tx_hist_purge(struct tfrc_tx_hist_entry **headp) { @@ -109,7 +108,6 @@ void tfrc_tx_hist_purge(struct tfrc_tx_hist_entry **headp) *headp = NULL; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_purge); u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno, const ktime_t now) @@ -127,7 +125,6 @@ u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno, return rtt; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_rtt); /* @@ -172,7 +169,6 @@ void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h, tfrc_rx_hist_entry_from_skb(entry, skb, ndp); } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_add_packet); /* has the packet contained in skb been seen before? */ int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb) @@ -189,7 +185,6 @@ int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb) return 0; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_duplicate); static void tfrc_rx_hist_swap(struct tfrc_rx_hist *h, const u8 a, const u8 b) { @@ -390,7 +385,6 @@ int tfrc_rx_handle_loss(struct tfrc_rx_hist *h, } return is_new_loss; } -EXPORT_SYMBOL_GPL(tfrc_rx_handle_loss); int tfrc_rx_hist_alloc(struct tfrc_rx_hist *h) { @@ -412,7 +406,6 @@ out_free: } return -ENOBUFS; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_alloc); void tfrc_rx_hist_purge(struct tfrc_rx_hist *h) { @@ -424,7 +417,6 @@ void tfrc_rx_hist_purge(struct tfrc_rx_hist *h) h->ring[i] = NULL; } } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_purge); /** * tfrc_rx_hist_rtt_last_s - reference entry to compute RTT samples against @@ -495,4 +487,3 @@ keep_ref_for_next_time: return sample; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_sample_rtt); diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c index 185916218e0..60c412ccfee 100644 --- a/net/dccp/ccids/lib/tfrc.c +++ b/net/dccp/ccids/lib/tfrc.c @@ -1,20 +1,18 @@ /* - * TFRC: main module holding the pieces of the TFRC library together + * TFRC library initialisation * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2007 Arnaldo Carvalho de Melo <acme@redhat.com> */ -#include <linux/module.h> -#include <linux/moduleparam.h> #include "tfrc.h" #ifdef CONFIG_IP_DCCP_TFRC_DEBUG int tfrc_debug; module_param(tfrc_debug, bool, 0644); -MODULE_PARM_DESC(tfrc_debug, "Enable debug messages"); +MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages"); #endif -static int __init tfrc_module_init(void) +int __init tfrc_lib_init(void) { int rc = tfrc_li_init(); @@ -38,18 +36,9 @@ out: return rc; } -static void __exit tfrc_module_exit(void) +void __exit tfrc_lib_exit(void) { tfrc_rx_packet_history_exit(); tfrc_tx_packet_history_exit(); tfrc_li_exit(); } - -module_init(tfrc_module_init); -module_exit(tfrc_module_exit); - -MODULE_AUTHOR("Gerrit Renker <gerrit@erg.abdn.ac.uk>, " - "Ian McDonald <ian.mcdonald@jandi.co.nz>, " - "Arnaldo Carvalho de Melo <acme@redhat.com>"); -MODULE_DESCRIPTION("DCCP TFRC library"); -MODULE_LICENSE("GPL"); diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h index ed9857527ac..e9720b14327 100644 --- a/net/dccp/ccids/lib/tfrc.h +++ b/net/dccp/ccids/lib/tfrc.h @@ -17,7 +17,8 @@ #include <linux/types.h> #include <linux/math64.h> #include "../../dccp.h" -/* internal includes that this module exports: */ + +/* internal includes that this library exports: */ #include "loss_interval.h" #include "packet_history.h" @@ -66,4 +67,12 @@ extern void tfrc_rx_packet_history_exit(void); extern int tfrc_li_init(void); extern void tfrc_li_exit(void); + +#ifdef CONFIG_IP_DCCP_TFRC_LIB +extern int tfrc_lib_init(void); +extern void tfrc_lib_exit(void); +#else +#define tfrc_lib_init() (0) +#define tfrc_lib_exit() +#endif #endif /* _TFRC_H_ */ diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c index 2f20a29cffe..c5d3a9e5a5a 100644 --- a/net/dccp/ccids/lib/tfrc_equation.c +++ b/net/dccp/ccids/lib/tfrc_equation.c @@ -659,8 +659,6 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p) return scaled_div32(result, f); } -EXPORT_SYMBOL_GPL(tfrc_calc_x); - /** * tfrc_calc_x_reverse_lookup - try to find p given f(p) * @@ -693,5 +691,3 @@ u32 tfrc_calc_x_reverse_lookup(u32 fvalue) index = tfrc_binsearch(fvalue, 0); return (index + 1) * 1000000 / TFRC_CALC_X_ARRSIZE; } - -EXPORT_SYMBOL_GPL(tfrc_calc_x_reverse_lookup); diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 0bc4c9a02e1..f2230fc168e 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -432,10 +432,8 @@ static inline int dccp_ack_pending(const struct sock *sk) { const struct dccp_sock *dp = dccp_sk(sk); return dp->dccps_timestamp_echo != 0 || -#ifdef CONFIG_IP_DCCP_ACKVEC (dp->dccps_hc_rx_ackvec != NULL && dccp_ackvec_pending(dp->dccps_hc_rx_ackvec)) || -#endif inet_csk_ack_scheduled(sk); } diff --git a/net/dccp/feat.c b/net/dccp/feat.c index 30f9fb76b92..4152308958a 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -34,7 +34,7 @@ static int dccp_hdlr_ccid(struct sock *sk, u64 ccid, bool rx) { struct dccp_sock *dp = dccp_sk(sk); - struct ccid *new_ccid = ccid_new(ccid, sk, rx, gfp_any()); + struct ccid *new_ccid = ccid_new(ccid, sk, rx); if (new_ccid == NULL) return -ENOMEM; @@ -1214,8 +1214,6 @@ const char *dccp_feat_typename(const u8 type) return NULL; } -EXPORT_SYMBOL_GPL(dccp_feat_typename); - const char *dccp_feat_name(const u8 feat) { static const char *feature_names[] = { @@ -1240,6 +1238,4 @@ const char *dccp_feat_name(const u8 feat) return feature_names[feat]; } - -EXPORT_SYMBOL_GPL(dccp_feat_name); #endif /* CONFIG_IP_DCCP_DEBUG */ diff --git a/net/dccp/input.c b/net/dccp/input.c index 5eb443f656c..7648f316310 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -741,5 +741,3 @@ u32 dccp_sample_rtt(struct sock *sk, long delta) return delta; } - -EXPORT_SYMBOL_GPL(dccp_sample_rtt); diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 1747ccae8e8..945b4d5d23b 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -1118,9 +1118,15 @@ static int __init dccp_init(void) if (rc) goto out_ackvec_exit; + rc = ccid_initialize_builtins(); + if (rc) + goto out_sysctl_exit; + dccp_timestamping_init(); out: return rc; +out_sysctl_exit: + dccp_sysctl_exit(); out_ackvec_exit: dccp_ackvec_exit(); out_free_dccp_mib: @@ -1143,6 +1149,7 @@ out_free_percpu: static void __exit dccp_fini(void) { + ccid_cleanup_builtins(); dccp_mib_exit(); free_pages((unsigned long)dccp_hashinfo.bhash, get_order(dccp_hashinfo.bhash_size * diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f28acf11fc6..35bcddf8a93 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -580,10 +580,6 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, else if (!ret) { if (spliced) break; - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; - } if (sock_flag(sk, SOCK_DONE)) break; if (sk->sk_err) { @@ -2519,9 +2515,7 @@ found: flush |= memcmp(th + 1, th2 + 1, thlen - sizeof(*th)); total = p->len; - mss = total; - if (skb_shinfo(p)->frag_list) - mss = skb_shinfo(p)->frag_list->len; + mss = skb_shinfo(p)->gso_size; flush |= skb->len > mss || skb->len <= 0; flush |= ntohl(th2->seq) + total != ntohl(th->seq); @@ -2557,7 +2551,6 @@ int tcp_gro_complete(struct sk_buff *skb) skb->csum_offset = offsetof(struct tcphdr, check); skb->ip_summed = CHECKSUM_PARTIAL; - skb_shinfo(skb)->gso_size = skb_shinfo(skb)->frag_list->len; skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count; if (th->cwr) diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index eeeaad2e8b5..40f324655e2 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -404,7 +404,7 @@ sticky_done: else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL) goto e_inval; - if (copy_from_user(&pkt, optval, optlen)) { + if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) { retv = -EFAULT; break; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 18c486cf498..76f06b94ab9 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -627,6 +627,9 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad rt = ip6_rt_copy(ort); if (rt) { + struct neighbour *neigh; + int attempts = !in_softirq(); + if (!(rt->rt6i_flags&RTF_GATEWAY)) { if (rt->rt6i_dst.plen != 128 && ipv6_addr_equal(&rt->rt6i_dst.addr, daddr)) @@ -646,7 +649,35 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad } #endif - rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + retry: + neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + if (IS_ERR(neigh)) { + struct net *net = dev_net(rt->rt6i_dev); + int saved_rt_min_interval = + net->ipv6.sysctl.ip6_rt_gc_min_interval; + int saved_rt_elasticity = + net->ipv6.sysctl.ip6_rt_gc_elasticity; + + if (attempts-- > 0) { + net->ipv6.sysctl.ip6_rt_gc_elasticity = 1; + net->ipv6.sysctl.ip6_rt_gc_min_interval = 0; + + ip6_dst_gc(net->ipv6.ip6_dst_ops); + + net->ipv6.sysctl.ip6_rt_gc_elasticity = + saved_rt_elasticity; + net->ipv6.sysctl.ip6_rt_gc_min_interval = + saved_rt_min_interval; + goto retry; + } + + if (net_ratelimit()) + printk(KERN_WARNING + "Neighbour table overflow.\n"); + dst_free(&rt->u.dst); + return NULL; + } + rt->rt6i_nexthop = neigh; } @@ -945,8 +976,11 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, dev_hold(dev); if (neigh) neigh_hold(neigh); - else + else { neigh = ndisc_get_neigh(dev, addr); + if (IS_ERR(neigh)) + neigh = NULL; + } rt->rt6i_dev = dev; rt->rt6i_idev = idev; @@ -1887,6 +1921,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, { struct net *net = dev_net(idev->dev); struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops); + struct neighbour *neigh; if (rt == NULL) return ERR_PTR(-ENOMEM); @@ -1909,11 +1944,18 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, rt->rt6i_flags |= RTF_ANYCAST; else rt->rt6i_flags |= RTF_LOCAL; - rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); - if (rt->rt6i_nexthop == NULL) { + neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + if (IS_ERR(neigh)) { dst_free(&rt->u.dst); - return ERR_PTR(-ENOMEM); + + /* We are casting this because that is the return + * value type. But an errno encoded pointer is the + * same regardless of the underlying pointer type, + * and that's what we are returning. So this is OK. + */ + return (struct rt6_info *) neigh; } + rt->rt6i_nexthop = neigh; ipv6_addr_copy(&rt->rt6i_dst.addr, addr); rt->rt6i_dst.plen = 128; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index af3192d2a5a..eb8a2a0b6eb 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -494,7 +494,21 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, if (err) { iucv_path_free(iucv->path); iucv->path = NULL; - err = -ECONNREFUSED; + switch (err) { + case 0x0b: /* Target communicator is not logged on */ + err = -ENETUNREACH; + break; + case 0x0d: /* Max connections for this guest exceeded */ + case 0x0e: /* Max connections for target guest exceeded */ + err = -EAGAIN; + break; + case 0x0f: /* Missing IUCV authorization */ + err = -EACCES; + break; + default: + err = -ECONNREFUSED; + break; + } goto done; } @@ -507,6 +521,13 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, release_sock(sk); return -ECONNREFUSED; } + + if (err) { + iucv_path_sever(iucv->path, NULL); + iucv_path_free(iucv->path); + iucv->path = NULL; + } + done: release_sock(sk); return err; @@ -1021,12 +1042,14 @@ static int iucv_callback_connreq(struct iucv_path *path, ASCEBC(user_data, sizeof(user_data)); if (sk->sk_state != IUCV_LISTEN) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } /* Check for backlog size */ if (sk_acceptq_is_full(sk)) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1034,6 +1057,7 @@ static int iucv_callback_connreq(struct iucv_path *path, nsk = iucv_sock_alloc(NULL, SOCK_STREAM, GFP_ATOMIC); if (!nsk) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1057,6 +1081,8 @@ static int iucv_callback_connreq(struct iucv_path *path, err = iucv_path_accept(path, &af_iucv_handler, nuser_data, nsk); if (err) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); + iucv_sock_kill(nsk); goto fail; } diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 8f57d4f4328..032f61e9859 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -517,6 +517,7 @@ static int iucv_enable(void) size_t alloc_size; int cpu, rc; + get_online_cpus(); rc = -ENOMEM; alloc_size = iucv_max_pathid * sizeof(struct iucv_path); iucv_path_table = kzalloc(alloc_size, GFP_KERNEL); @@ -524,19 +525,17 @@ static int iucv_enable(void) goto out; /* Declare per cpu buffers. */ rc = -EIO; - get_online_cpus(); for_each_online_cpu(cpu) smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); if (cpus_empty(iucv_buffer_cpumask)) /* No cpu could declare an iucv buffer. */ - goto out_path; + goto out; put_online_cpus(); return 0; - -out_path: - put_online_cpus(); - kfree(iucv_path_table); out: + kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); return rc; } @@ -551,8 +550,9 @@ static void iucv_disable(void) { get_online_cpus(); on_each_cpu(iucv_retrieve_cpu, NULL, 1); - put_online_cpus(); kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); } static int __cpuinit iucv_cpu_notify(struct notifier_block *self, @@ -589,10 +589,14 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, case CPU_ONLINE_FROZEN: case CPU_DOWN_FAILED: case CPU_DOWN_FAILED_FROZEN: + if (!iucv_path_table) + break; smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); break; case CPU_DOWN_PREPARE: case CPU_DOWN_PREPARE_FROZEN: + if (!iucv_path_table) + break; cpumask = iucv_buffer_cpumask; cpu_clear(cpu, cpumask); if (cpus_empty(cpumask)) diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 3c94f76d552..3eaa39403c1 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -54,10 +54,10 @@ static unsigned long rfkill_states_lockdflt[BITS_TO_LONGS(RFKILL_TYPE_MAX)]; static bool rfkill_epo_lock_active; +#ifdef CONFIG_RFKILL_LEDS static void rfkill_led_trigger(struct rfkill *rfkill, enum rfkill_state state) { -#ifdef CONFIG_RFKILL_LEDS struct led_trigger *led = &rfkill->led_trigger; if (!led->name) @@ -66,10 +66,8 @@ static void rfkill_led_trigger(struct rfkill *rfkill, led_trigger_event(led, LED_OFF); else led_trigger_event(led, LED_FULL); -#endif /* CONFIG_RFKILL_LEDS */ } -#ifdef CONFIG_RFKILL_LEDS static void rfkill_led_trigger_activate(struct led_classdev *led) { struct rfkill *rfkill = container_of(led->trigger, diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 05d178008cb..07372f60bee 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -638,8 +638,9 @@ static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle, break; n->next = *ins; - wmb(); + tcf_tree_lock(tp); *ins = n; + tcf_tree_unlock(tp); *arg = (unsigned long)n; return 0; diff --git a/net/socket.c b/net/socket.c index 2c730fc718a..06603d73c41 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1313,13 +1313,7 @@ asmlinkage long sys_socketpair(int family, int type, int protocol, goto out_fd1; } - err = audit_fd_pair(fd1, fd2); - if (err < 0) { - fput(newfile1); - fput(newfile2); - goto out_fd; - } - + audit_fd_pair(fd1, fd2); fd_install(fd1, newfile1); fd_install(fd2, newfile2); /* fd1 and fd2 may be already another descriptors. @@ -1349,7 +1343,6 @@ out_fd2: out_fd1: put_filp(newfile2); sock_release(sock2); -out_fd: put_unused_fd(fd1); put_unused_fd(fd2); goto out; @@ -2065,9 +2058,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args) if (copy_from_user(a, args, nargs[call])) return -EFAULT; - err = audit_socketcall(nargs[call] / sizeof(unsigned long), a); - if (err) - return err; + audit_socketcall(nargs[call] / sizeof(unsigned long), a); a0 = a[0]; a1 = a[1]; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 19245324887..577385a4a5d 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -522,8 +522,6 @@ rpc_get_inode(struct super_block *sb, int mode) if (!inode) return NULL; inode->i_mode = mode; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch(mode & S_IFMT) { case S_IFDIR: diff --git a/security/commoncap.c b/security/commoncap.c index 79713545cd6..69fc9952650 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -238,7 +238,7 @@ int cap_inode_need_killpriv(struct dentry *dentry) struct inode *inode = dentry->d_inode; int error; - if (!inode->i_op || !inode->i_op->getxattr) + if (!inode->i_op->getxattr) return 0; error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0); @@ -259,7 +259,7 @@ int cap_inode_killpriv(struct dentry *dentry) { struct inode *inode = dentry->d_inode; - if (!inode->i_op || !inode->i_op->removexattr) + if (!inode->i_op->removexattr) return 0; return inode->i_op->removexattr(dentry, XATTR_NAME_CAPS); @@ -317,7 +317,7 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data memset(cpu_caps, 0, sizeof(struct cpu_vfs_cap_data)); - if (!inode || !inode->i_op || !inode->i_op->getxattr) + if (!inode || !inode->i_op->getxattr) return -ENODATA; size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps, diff --git a/security/inode.c b/security/inode.c index efea5a60546..007ef252dde 100644 --- a/security/inode.c +++ b/security/inode.c @@ -61,9 +61,6 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index e5520996a75..8f612c8becb 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -847,8 +847,6 @@ static struct inode *sel_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_mode = mode; - ret->i_uid = ret->i_gid = 0; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; } return ret; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 343c8ab14af..c65e4fe4a0f 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2602,7 +2602,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) case AUDIT_OBJ_ROLE: case AUDIT_OBJ_TYPE: /* only 'equals' and 'not equals' fit user, role, and type */ - if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL) + if (op != Audit_equal && op != Audit_not_equal) return -EINVAL; break; case AUDIT_SUBJ_SEN: @@ -2736,10 +2736,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_USER: case AUDIT_OBJ_USER: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->user == rule->au_ctxt.user); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->user != rule->au_ctxt.user); break; } @@ -2747,10 +2747,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_ROLE: case AUDIT_OBJ_ROLE: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->role == rule->au_ctxt.role); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->role != rule->au_ctxt.role); break; } @@ -2758,10 +2758,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_TYPE: case AUDIT_OBJ_TYPE: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->type == rule->au_ctxt.type); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->type != rule->au_ctxt.type); break; } @@ -2774,31 +2774,31 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, field == AUDIT_OBJ_LEV_LOW) ? &ctxt->range.level[0] : &ctxt->range.level[1]); switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = mls_level_eq(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = !mls_level_eq(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_LESS_THAN: + case Audit_lt: match = (mls_level_dom(&rule->au_ctxt.range.level[0], level) && !mls_level_eq(&rule->au_ctxt.range.level[0], level)); break; - case AUDIT_LESS_THAN_OR_EQUAL: + case Audit_le: match = mls_level_dom(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_GREATER_THAN: + case Audit_gt: match = (mls_level_dom(level, &rule->au_ctxt.range.level[0]) && !mls_level_eq(level, &rule->au_ctxt.range.level[0])); break; - case AUDIT_GREATER_THAN_OR_EQUAL: + case Audit_ge: match = mls_level_dom(level, &rule->au_ctxt.range.level[0]); break; diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 1b5551dfc1f..848212fd484 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -2492,7 +2492,7 @@ static int smack_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) if (field != AUDIT_SUBJ_USER && field != AUDIT_OBJ_USER) return -EINVAL; - if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL) + if (op != Audit_equal && op != Audit_not_equal) return -EINVAL; *rule = smk_import(rulestr, 0); @@ -2556,9 +2556,9 @@ static int smack_audit_rule_match(u32 secid, u32 field, u32 op, void *vrule, * both pointers will point to the same smack_known * label. */ - if (op == AUDIT_EQUAL) + if (op == Audit_equal) return (rule == smack); - if (op == AUDIT_NOT_EQUAL) + if (op == Audit_not_equal) return (rule != smack); return 0; diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index b20e1cede00..75de40aaab0 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -25,6 +25,8 @@ #include <linux/slab.h> #include <linux/pci.h> #include <sound/core.h> +#include <sound/jack.h> + #include "hda_codec.h" #include "hda_local.h" @@ -37,8 +39,21 @@ #define CONEXANT_HP_EVENT 0x37 #define CONEXANT_MIC_EVENT 0x38 +/* Conexant 5051 specific */ + +#define CXT5051_SPDIF_OUT 0x1C +#define CXT5051_PORTB_EVENT 0x38 +#define CXT5051_PORTC_EVENT 0x39 +struct conexant_jack { + + hda_nid_t nid; + int type; + struct snd_jack *jack; + +}; + struct conexant_spec { struct snd_kcontrol_new *mixers[5]; @@ -83,6 +98,9 @@ struct conexant_spec { unsigned int spdif_route; + /* jack detection */ + struct snd_array jacks; + /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; struct hda_input_mux private_imux; @@ -329,6 +347,86 @@ static int conexant_mux_enum_put(struct snd_kcontrol *kcontrol, &spec->cur_mux[adc_idx]); } +static int conexant_add_jack(struct hda_codec *codec, + hda_nid_t nid, int type) +{ + struct conexant_spec *spec; + struct conexant_jack *jack; + const char *name; + + spec = codec->spec; + snd_array_init(&spec->jacks, sizeof(*jack), 32); + jack = snd_array_new(&spec->jacks); + name = (type == SND_JACK_HEADPHONE) ? "Headphone" : "Mic" ; + + if (!jack) + return -ENOMEM; + + jack->nid = nid; + jack->type = type; + + return snd_jack_new(codec->bus->card, name, type, &jack->jack); +} + +static void conexant_report_jack(struct hda_codec *codec, hda_nid_t nid) +{ + struct conexant_spec *spec = codec->spec; + struct conexant_jack *jacks = spec->jacks.list; + + if (jacks) { + int i; + for (i = 0; i < spec->jacks.used; i++) { + if (jacks->nid == nid) { + unsigned int present; + present = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_SENSE, 0) & + AC_PINSENSE_PRESENCE; + + present = (present) ? jacks->type : 0 ; + + snd_jack_report(jacks->jack, + present); + } + jacks++; + } + } +} + +static int conexant_init_jacks(struct hda_codec *codec) +{ +#ifdef CONFIG_SND_JACK + struct conexant_spec *spec = codec->spec; + int i; + + for (i = 0; i < spec->num_init_verbs; i++) { + const struct hda_verb *hv; + + hv = spec->init_verbs[i]; + while (hv->nid) { + int err = 0; + switch (hv->param ^ AC_USRSP_EN) { + case CONEXANT_HP_EVENT: + err = conexant_add_jack(codec, hv->nid, + SND_JACK_HEADPHONE); + conexant_report_jack(codec, hv->nid); + break; + case CXT5051_PORTC_EVENT: + case CONEXANT_MIC_EVENT: + err = conexant_add_jack(codec, hv->nid, + SND_JACK_MICROPHONE); + conexant_report_jack(codec, hv->nid); + break; + } + if (err < 0) + return err; + ++hv; + } + } +#endif + return 0; + +} + static int conexant_init(struct hda_codec *codec) { struct conexant_spec *spec = codec->spec; @@ -341,6 +439,16 @@ static int conexant_init(struct hda_codec *codec) static void conexant_free(struct hda_codec *codec) { +#ifdef CONFIG_SND_JACK + struct conexant_spec *spec = codec->spec; + if (spec->jacks.list) { + struct conexant_jack *jacks = spec->jacks.list; + int i; + for (i = 0; i < spec->jacks.used; i++) + snd_device_free(codec->bus->card, &jacks[i].jack); + snd_array_free(&spec->jacks); + } +#endif kfree(codec->spec); } @@ -1526,9 +1634,6 @@ static int patch_cxt5047(struct hda_codec *codec) /* Conexant 5051 specific */ static hda_nid_t cxt5051_dac_nids[1] = { 0x10 }; static hda_nid_t cxt5051_adc_nids[2] = { 0x14, 0x15 }; -#define CXT5051_SPDIF_OUT 0x1C -#define CXT5051_PORTB_EVENT 0x38 -#define CXT5051_PORTC_EVENT 0x39 static struct hda_channel_mode cxt5051_modes[1] = { { 2, NULL }, @@ -1608,6 +1713,7 @@ static void cxt5051_hp_automute(struct hda_codec *codec) static void cxt5051_hp_unsol_event(struct hda_codec *codec, unsigned int res) { + int nid = (res & AC_UNSOL_RES_SUBTAG) >> 20; switch (res >> 26) { case CONEXANT_HP_EVENT: cxt5051_hp_automute(codec); @@ -1619,6 +1725,7 @@ static void cxt5051_hp_unsol_event(struct hda_codec *codec, cxt5051_portc_automic(codec); break; } + conexant_report_jack(codec, nid); } static struct snd_kcontrol_new cxt5051_mixers[] = { @@ -1693,6 +1800,7 @@ static struct hda_verb cxt5051_init_verbs[] = { static int cxt5051_init(struct hda_codec *codec) { conexant_init(codec); + conexant_init_jacks(codec); if (codec->patch_ops.unsol_event) { cxt5051_hp_automute(codec); cxt5051_portb_automic(codec); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0bd4e6bf354..9065ebf9c06 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8467,6 +8467,7 @@ static struct snd_pci_quirk alc883_cfg_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2a4f, "HP Samba", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a60, "HP Lucknow", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a61, "HP Nettle", ALC883_6ST_DIG), + SND_PCI_QUIRK(0x103c, 0x2a66, "HP Acacia", ALC888_3ST_HP), SND_PCI_QUIRK(0x1043, 0x1873, "Asus M90V", ALC888_ASUS_M90V), SND_PCI_QUIRK(0x1043, 0x8249, "Asus M2A-VM HDMI", ALC883_3ST_6ch_DIG), SND_PCI_QUIRK(0x1043, 0x82fe, "Asus P5Q-EM HDMI", ALC1200_ASUS_P5Q), @@ -16638,9 +16639,9 @@ static struct hda_codec_preset snd_hda_preset_realtek[] = { .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, { .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc883 }, - { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, { .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200", .patch = patch_alc883 }, + { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, { .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc883 }, {} /* terminator */ }; diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 0dfa0540ce2..bb8d8c766b9 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -1239,7 +1239,7 @@ static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device) if (ice->force_pdma4 || ice->force_rdma1) name = "ICE1724 Secondary"; else - name = "IEC1724 IEC958"; + name = "ICE1724 IEC958"; err = snd_pcm_new(ice->card, name, device, play, capt, &pcm); if (err < 0) return err; diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 51848880504..31e44e346dc 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -298,30 +298,107 @@ static const struct soc_enum twl4030_handsfreer_enum = static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); -static int outmixer_event(struct snd_soc_dapm_widget *w, +/* Left analog microphone selection */ +static const char *twl4030_analoglmic_texts[] = + {"Off", "Main mic", "Headset mic", "Invalid", "AUXL", + "Invalid", "Invalid", "Invalid", "Carkit mic"}; + +static const struct soc_enum twl4030_analoglmic_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ANAMICL, 0, + ARRAY_SIZE(twl4030_analoglmic_texts), + twl4030_analoglmic_texts); + +static const struct snd_kcontrol_new twl4030_dapm_analoglmic_control = +SOC_DAPM_ENUM("Route", twl4030_analoglmic_enum); + +/* Right analog microphone selection */ +static const char *twl4030_analogrmic_texts[] = + {"Off", "Sub mic", "Invalid", "Invalid", "AUXR"}; + +static const struct soc_enum twl4030_analogrmic_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ANAMICR, 0, + ARRAY_SIZE(twl4030_analogrmic_texts), + twl4030_analogrmic_texts); + +static const struct snd_kcontrol_new twl4030_dapm_analogrmic_control = +SOC_DAPM_ENUM("Route", twl4030_analogrmic_enum); + +/* TX1 L/R Analog/Digital microphone selection */ +static const char *twl4030_micpathtx1_texts[] = + {"Analog", "Digimic0"}; + +static const struct soc_enum twl4030_micpathtx1_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0, + ARRAY_SIZE(twl4030_micpathtx1_texts), + twl4030_micpathtx1_texts); + +static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = +SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); + +/* TX2 L/R Analog/Digital microphone selection */ +static const char *twl4030_micpathtx2_texts[] = + {"Analog", "Digimic1"}; + +static const struct soc_enum twl4030_micpathtx2_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2, + ARRAY_SIZE(twl4030_micpathtx2_texts), + twl4030_micpathtx2_texts); + +static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = +SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); + +/* + * This function filters out the non valid mux settings, named as "Invalid" + * in the enum texts. + * Just refuse to set an invalid mux mode. + */ +static int twl4030_enum_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; int ret = 0; int val; - switch (e->reg) { - case TWL4030_REG_PREDL_CTL: - case TWL4030_REG_PREDR_CTL: - case TWL4030_REG_EAR_CTL: - val = w->value >> e->shift_l; - if (val == 3) { - printk(KERN_WARNING - "Invalid MUX setting for register 0x%02x (%d)\n", - e->reg, val); - ret = -1; - } - break; + val = w->value >> e->shift_l; + if (!strcmp("Invalid", e->texts[val])) { + printk(KERN_WARNING "Invalid MUX setting on 0x%02x (%d)\n", + e->reg, val); + ret = -1; } return ret; } +static int micpath_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct soc_enum *e = (struct soc_enum *)w->kcontrols->private_value; + unsigned char adcmicsel, micbias_ctl; + + adcmicsel = twl4030_read_reg_cache(w->codec, TWL4030_REG_ADCMICSEL); + micbias_ctl = twl4030_read_reg_cache(w->codec, TWL4030_REG_MICBIAS_CTL); + /* Prepare the bits for the given TX path: + * shift_l == 0: TX1 microphone path + * shift_l == 2: TX2 microphone path */ + if (e->shift_l) { + /* TX2 microphone path */ + if (adcmicsel & TWL4030_TX2IN_SEL) + micbias_ctl |= TWL4030_MICBIAS2_CTL; /* digimic */ + else + micbias_ctl &= ~TWL4030_MICBIAS2_CTL; + } else { + /* TX1 microphone path */ + if (adcmicsel & TWL4030_TX1IN_SEL) + micbias_ctl |= TWL4030_MICBIAS1_CTL; /* digimic */ + else + micbias_ctl &= ~TWL4030_MICBIAS1_CTL; + } + + twl4030_write(w->codec, TWL4030_REG_MICBIAS_CTL, micbias_ctl); + + return 0; +} + static int handsfree_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -503,162 +580,6 @@ static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, return err; } -static int twl4030_get_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - int result = 0; - - /* one bit must be set a time */ - reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN; - if (reg != 0) { - result++; - while ((reg & 1) == 0) { - result++; - reg >>= 1; - } - } - - ucontrol->value.integer.value[0] = result; - return 0; -} - -static int twl4030_put_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicl, micbias, avadc_ctl; - - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN); - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicl |= TWL4030_MAINMIC_EN; - micbias |= TWL4030_MICBIAS1_EN; - break; - case 2: - anamicl |= TWL4030_HSMIC_EN; - micbias |= TWL4030_HSMICBIAS_EN; - break; - case 3: - anamicl |= TWL4030_AUXL_EN; - break; - case 4: - anamicl |= TWL4030_CKMIC_EN; - break; - default: - break; - } - - /* If some input is selected, enable amp and ADC */ - if (value != 0) { - anamicl |= TWL4030_MICAMPL_EN; - avadc_ctl |= TWL4030_ADCL_EN; - } else { - anamicl &= ~TWL4030_MICAMPL_EN; - avadc_ctl &= ~TWL4030_ADCL_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static int twl4030_get_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - int value = 0; - - reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN; - switch (reg) { - case TWL4030_SUBMIC_EN: - value = 1; - break; - case TWL4030_AUXR_EN: - value = 2; - break; - default: - break; - } - - ucontrol->value.integer.value[0] = value; - return 0; -} - -static int twl4030_put_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicr, micbias, avadc_ctl; - - anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~TWL4030_MICBIAS2_EN; - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicr |= TWL4030_SUBMIC_EN; - micbias |= TWL4030_MICBIAS2_EN; - break; - case 2: - anamicr |= TWL4030_AUXR_EN; - break; - default: - break; - } - - if (value != 0) { - anamicr |= TWL4030_MICAMPR_EN; - avadc_ctl |= TWL4030_ADCR_EN; - } else { - anamicr &= ~TWL4030_MICAMPR_EN; - avadc_ctl &= ~TWL4030_ADCR_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static const char *twl4030_left_in_sel[] = { - "None", - "Main Mic", - "Headset Mic", - "Line In", - "Carkit Mic", -}; - -static const char *twl4030_right_in_sel[] = { - "None", - "Sub Mic", - "Line In", -}; - -static const struct soc_enum twl4030_left_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel), - twl4030_left_in_sel); - -static const struct soc_enum twl4030_right_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel), - twl4030_right_in_sel); - /* * FGAIN volume control: * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) @@ -741,18 +662,15 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl), /* Common capture gain controls */ - SOC_DOUBLE_R_TLV("Capture Volume", + SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 0, 0x1f, 0, digital_capture_tlv), + SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", + TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, + 0, 0x1f, 0, digital_capture_tlv), - SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN, + SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 0, 3, 5, 0, input_gain_tlv), - - /* Input source controls */ - SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux, - twl4030_get_left_input, twl4030_put_left_input), - SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux, - twl4030_get_right_input, twl4030_put_right_input), }; /* add non dapm controls */ @@ -772,9 +690,19 @@ static int twl4030_add_controls(struct snd_soc_codec *codec) } static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { - SND_SOC_DAPM_INPUT("INL"), - SND_SOC_DAPM_INPUT("INR"), - + /* Left channel inputs */ + SND_SOC_DAPM_INPUT("MAINMIC"), + SND_SOC_DAPM_INPUT("HSMIC"), + SND_SOC_DAPM_INPUT("AUXL"), + SND_SOC_DAPM_INPUT("CARKITMIC"), + /* Right channel inputs */ + SND_SOC_DAPM_INPUT("SUBMIC"), + SND_SOC_DAPM_INPUT("AUXR"), + /* Digital microphones (Stereo) */ + SND_SOC_DAPM_INPUT("DIGIMIC0"), + SND_SOC_DAPM_INPUT("DIGIMIC1"), + + /* Outputs */ SND_SOC_DAPM_OUTPUT("OUTL"), SND_SOC_DAPM_OUTPUT("OUTR"), SND_SOC_DAPM_OUTPUT("EARPIECE"), @@ -810,14 +738,14 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { /* Output MUX controls */ /* Earpiece */ SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_earpiece_control, outmixer_event, + &twl4030_dapm_earpiece_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), /* PreDrivL/R */ SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predrivel_control, outmixer_event, + &twl4030_dapm_predrivel_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predriver_control, outmixer_event, + &twl4030_dapm_predriver_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), /* HeadsetL/R */ SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0, @@ -837,8 +765,50 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { &twl4030_dapm_handsfreer_control, handsfree_event, SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), - SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0), - SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0), + /* Introducing four virtual ADC, since TWL4030 have four channel for + capture */ + SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture", + SND_SOC_NOPM, 0, 0), + + /* Analog/Digital mic path selection. + TX1 Left/Right: either analog Left/Right or Digimic0 + TX2 Left/Right: either analog Left/Right or Digimic1 */ + SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_micpathtx1_control, micpath_event, + SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD| + SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_micpathtx2_control, micpath_event, + SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD| + SND_SOC_DAPM_POST_REG), + + /* Analog input muxes with power switch for the physical ADCL/R */ + SND_SOC_DAPM_MUX_E("Analog Left Capture Route", + TWL4030_REG_AVADC_CTL, 3, 0, &twl4030_dapm_analoglmic_control, + twl4030_enum_event, SND_SOC_DAPM_PRE_REG), + SND_SOC_DAPM_MUX_E("Analog Right Capture Route", + TWL4030_REG_AVADC_CTL, 1, 0, &twl4030_dapm_analogrmic_control, + twl4030_enum_event, SND_SOC_DAPM_PRE_REG), + + SND_SOC_DAPM_PGA("Analog Left Amplifier", + TWL4030_REG_ANAMICL, 4, 0, NULL, 0), + SND_SOC_DAPM_PGA("Analog Right Amplifier", + TWL4030_REG_ANAMICR, 4, 0, NULL, 0), + + SND_SOC_DAPM_PGA("Digimic0 Enable", + TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0), + SND_SOC_DAPM_PGA("Digimic1 Enable", + TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0), + + SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0), + SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0), + SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0), }; static const struct snd_soc_dapm_route intercon[] = { @@ -894,9 +864,39 @@ static const struct snd_soc_dapm_route intercon[] = { {"HFL", NULL, "HandsfreeL Mux"}, {"HFR", NULL, "HandsfreeR Mux"}, - /* inputs */ - {"ADCL", NULL, "INL"}, - {"ADCR", NULL, "INR"}, + /* Capture path */ + {"Analog Left Capture Route", "Main mic", "MAINMIC"}, + {"Analog Left Capture Route", "Headset mic", "HSMIC"}, + {"Analog Left Capture Route", "AUXL", "AUXL"}, + {"Analog Left Capture Route", "Carkit mic", "CARKITMIC"}, + + {"Analog Right Capture Route", "Sub mic", "SUBMIC"}, + {"Analog Right Capture Route", "AUXR", "AUXR"}, + + {"Analog Left Amplifier", NULL, "Analog Left Capture Route"}, + {"Analog Right Amplifier", NULL, "Analog Right Capture Route"}, + + {"Digimic0 Enable", NULL, "DIGIMIC0"}, + {"Digimic1 Enable", NULL, "DIGIMIC1"}, + + /* TX1 Left capture path */ + {"TX1 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, + /* TX1 Right capture path */ + {"TX1 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, + /* TX2 Left capture path */ + {"TX2 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, + /* TX2 Right capture path */ + {"TX2 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, + + {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, + {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, + {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, + {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, + }; static int twl4030_add_widgets(struct snd_soc_codec *codec) @@ -923,6 +923,7 @@ static void twl4030_power_up(struct snd_soc_codec *codec) twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl | TWL4030_CNCL_OFFSET_START); + /* wait for offset cancellation to complete */ do { /* this takes a little while, so don't slam i2c */ diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h index 54615c76802..442e5a82861 100644 --- a/sound/soc/codecs/twl4030.h +++ b/sound/soc/codecs/twl4030.h @@ -147,6 +147,13 @@ #define TWL4030_AVADC_CLK_PRIORITY 0x04 #define TWL4030_ADCR_EN 0x02 +/* TWL4030_REG_ADCMICSEL (0x08) Fields */ + +#define TWL4030_DIGMIC1_EN 0x08 +#define TWL4030_TX2IN_SEL 0x04 +#define TWL4030_DIGMIC0_EN 0x02 +#define TWL4030_TX1IN_SEL 0x01 + /* AUDIO_IF (0x0E) Fields */ #define TWL4030_AIF_SLAVE_EN 0x80 diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c index f67579d5276..4935d1bcbd8 100644 --- a/sound/soc/davinci/davinci-sffsdr.c +++ b/sound/soc/davinci/davinci-sffsdr.c @@ -24,6 +24,7 @@ #include <sound/soc-dapm.h> #include <asm/dma.h> +#include <asm/mach-types.h> #include <asm/plat-sffsdr/sffsdr-fpga.h> #include <mach/mcbsp.h> @@ -115,6 +116,9 @@ static int __init sffsdr_init(void) { int ret; + if (!machine_is_sffsdr()) + return -EINVAL; + sffsdr_snd_device = platform_device_alloc("soc-audio", 0); if (!sffsdr_snd_device) { printk(KERN_ERR "platform device allocation failed\n"); diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c index c670d08e7c9..53b9fb127a6 100644 --- a/sound/soc/pxa/pxa2xx-pcm.c +++ b/sound/soc/pxa/pxa2xx-pcm.c @@ -61,9 +61,9 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) __pxa2xx_pcm_hw_free(substream); - if (prtd->dma_ch) { + if (prtd->dma_ch >= 0) { pxa_free_dma(prtd->dma_ch); - prtd->dma_ch = 0; + prtd->dma_ch = -1; } return 0; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b098c0b4c58..f73c1341437 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1300,6 +1300,8 @@ EXPORT_SYMBOL_GPL(snd_soc_test_bits); /** * snd_soc_new_pcms - create new sound card and pcms * @socdev: the SoC audio device + * @idx: ALSA card index + * @xid: card identification * * Create a new sound card based upon the codec and interface pcms. * @@ -1472,7 +1474,7 @@ EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); * snd_soc_cnew - create new control * @_template: control template * @data: control private data - * @lnng_name: control long name + * @long_name: control long name * * Create a new mixer control from a template control. * @@ -1522,7 +1524,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); /** * snd_soc_get_enum_double - enumerated double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a double enumerated mixer. * @@ -1551,7 +1553,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); /** * snd_soc_put_enum_double - enumerated double mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a double enumerated mixer. * @@ -1668,7 +1670,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); /** * snd_soc_get_volsw - single mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a single mixer control. * @@ -1707,7 +1709,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw); /** * snd_soc_put_volsw - single mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a single mixer control. * @@ -1775,7 +1777,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); /** * snd_soc_get_volsw_2r - double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a double mixer control that spans 2 registers. * @@ -1812,7 +1814,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); /** * snd_soc_put_volsw_2r - double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a double mixer control that spans 2 registers. * @@ -1882,7 +1884,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); /** * snd_soc_get_volsw_s8 - signed mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a signed mixer control. * @@ -1909,7 +1911,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); /** * snd_soc_put_volsw_sgn - signed mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a signed mixer control. * @@ -1954,7 +1956,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); /** * snd_soc_dai_set_clkdiv - configure DAI clock dividers. * @dai: DAI - * @clk_id: DAI specific clock divider ID + * @div_id: DAI specific clock divider ID * @div: new clock divisor. * * Configures the clock dividers. This is used to derive the best DAI bit and @@ -2060,7 +2062,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); /** * snd_soc_register_card - Register a card with the ASoC core * - * @param card Card to register + * @card: Card to register * * Note that currently this is an internal only function: it will be * exposed to machine drivers after further backporting of ASoC v2 @@ -2087,7 +2089,7 @@ static int snd_soc_register_card(struct snd_soc_card *card) /** * snd_soc_unregister_card - Unregister a card with the ASoC core * - * @param card Card to unregister + * @card: Card to unregister * * Note that currently this is an internal only function: it will be * exposed to machine drivers after further backporting of ASoC v2 @@ -2107,7 +2109,7 @@ static int snd_soc_unregister_card(struct snd_soc_card *card) /** * snd_soc_register_dai - Register a DAI with the ASoC core * - * @param dai DAI to register + * @dai: DAI to register */ int snd_soc_register_dai(struct snd_soc_dai *dai) { @@ -2134,7 +2136,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dai); /** * snd_soc_unregister_dai - Unregister a DAI from the ASoC core * - * @param dai DAI to unregister + * @dai: DAI to unregister */ void snd_soc_unregister_dai(struct snd_soc_dai *dai) { @@ -2149,8 +2151,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); /** * snd_soc_register_dais - Register multiple DAIs with the ASoC core * - * @param dai Array of DAIs to register - * @param count Number of DAIs + * @dai: Array of DAIs to register + * @count: Number of DAIs */ int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count) { @@ -2175,8 +2177,8 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais); /** * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core * - * @param dai Array of DAIs to unregister - * @param count Number of DAIs + * @dai: Array of DAIs to unregister + * @count: Number of DAIs */ void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count) { @@ -2190,7 +2192,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); /** * snd_soc_register_platform - Register a platform with the ASoC core * - * @param platform platform to register + * @platform: platform to register */ int snd_soc_register_platform(struct snd_soc_platform *platform) { @@ -2213,7 +2215,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform); /** * snd_soc_unregister_platform - Unregister a platform from the ASoC core * - * @param platform platform to unregister + * @platform: platform to unregister */ void snd_soc_unregister_platform(struct snd_soc_platform *platform) { @@ -2228,7 +2230,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); /** * snd_soc_register_codec - Register a codec with the ASoC core * - * @param codec codec to register + * @codec: codec to register */ int snd_soc_register_codec(struct snd_soc_codec *codec) { @@ -2255,7 +2257,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); /** * snd_soc_unregister_codec - Unregister a codec from the ASoC core * - * @param codec codec to unregister + * @codec: codec to unregister */ void snd_soc_unregister_codec(struct snd_soc_codec *codec) { diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8863eddbac0..6c79ca6df0b 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1077,7 +1077,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets); /** * snd_soc_dapm_get_volsw - dapm mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm mixer control. * @@ -1122,7 +1122,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw); /** * snd_soc_dapm_put_volsw - dapm mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm mixer control. * @@ -1193,7 +1193,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw); /** * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm enumerated double mixer control. * @@ -1221,7 +1221,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); /** * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm enumerated double mixer control. * @@ -1419,7 +1419,7 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, /** * snd_soc_dapm_enable_pin - enable pin. - * @snd_soc_codec: SoC codec + * @codec: SoC codec * @pin: pin name * * Enables input/output pin and it's parents or children widgets iff there is diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c index b143ef7152f..a62500e387a 100644 --- a/sound/usb/caiaq/caiaq-device.c +++ b/sound/usb/caiaq/caiaq-device.c @@ -446,7 +446,7 @@ static int __devinit snd_probe(struct usb_interface *intf, if (!card) return -ENOMEM; - dev_set_drvdata(&intf->dev, card); + usb_set_intfdata(intf, card); ret = init_card(caiaqdev(card)); if (ret < 0) { log("unable to init card! (ret=%d)\n", ret); @@ -460,7 +460,7 @@ static int __devinit snd_probe(struct usb_interface *intf, static void snd_disconnect(struct usb_interface *intf) { struct snd_usb_caiaqdev *dev; - struct snd_card *card = dev_get_drvdata(&intf->dev); + struct snd_card *card = usb_get_intfdata(intf); debug("%s(%p)\n", __func__, intf); diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index bbd70d5814a..c709b956322 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -3709,7 +3709,7 @@ static int usb_audio_probe(struct usb_interface *intf, void *chip; chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id); if (chip) { - dev_set_drvdata(&intf->dev, chip); + usb_set_intfdata(intf, chip); return 0; } else return -EIO; @@ -3718,13 +3718,13 @@ static int usb_audio_probe(struct usb_interface *intf, static void usb_audio_disconnect(struct usb_interface *intf) { snd_usb_audio_disconnect(interface_to_usbdev(intf), - dev_get_drvdata(&intf->dev)); + usb_get_intfdata(intf)); } #ifdef CONFIG_PM static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { - struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev); + struct snd_usb_audio *chip = usb_get_intfdata(intf); struct list_head *p; struct snd_usb_stream *as; @@ -3744,7 +3744,7 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) static int usb_audio_resume(struct usb_interface *intf) { - struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev); + struct snd_usb_audio *chip = usb_get_intfdata(intf); if (chip == (void *)-1L) return 0; diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index 6d9f9b135c6..320641ab5be 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -1392,8 +1392,7 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { hostep = &hostif->endpoint[i]; ep = get_ep_desc(hostep); - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && - (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep)) continue; ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra; if (hostep->extralen < 4 || @@ -1401,15 +1400,15 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT || ms_ep->bDescriptorSubtype != MS_GENERAL) continue; - if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + if (usb_endpoint_dir_out(ep)) { if (endpoints[epidx].out_ep) { if (++epidx >= MIDI_MAX_ENDPOINTS) { snd_printk(KERN_WARNING "too many endpoints\n"); break; } } - endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].out_ep = usb_endpoint_num(ep); + if (usb_endpoint_xfer_int(ep)) endpoints[epidx].out_interval = ep->bInterval; else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW) /* @@ -1428,8 +1427,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, break; } } - endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].in_ep = usb_endpoint_num(ep); + if (usb_endpoint_xfer_int(ep)) endpoints[epidx].in_interval = ep->bInterval; else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW) endpoints[epidx].in_interval = 1; @@ -1495,20 +1494,20 @@ static int snd_usbmidi_detect_endpoints(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { epd = get_endpoint(hostif, i); - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_xfer_bulk(epd) && + !usb_endpoint_xfer_int(epd)) continue; if (out_eps < max_endpoints && - (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { - endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + usb_endpoint_dir_out(epd)) { + endpoint[out_eps].out_ep = usb_endpoint_num(epd); + if (usb_endpoint_xfer_int(epd)) endpoint[out_eps].out_interval = epd->bInterval; ++out_eps; } if (in_eps < max_endpoints && - (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { - endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + usb_endpoint_dir_in(epd)) { + endpoint[in_eps].in_ep = usb_endpoint_num(epd); + if (usb_endpoint_xfer_int(epd)) endpoint[in_eps].in_interval = epd->bInterval; ++in_eps; } @@ -1607,21 +1606,19 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi* umidi, } epd = get_endpoint(hostif, 0); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) { + if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) { snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n"); return -ENXIO; } epd = get_endpoint(hostif, 2); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) { snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n"); return -ENXIO; } if (endpoint->out_cables > 0x0001) { epd = get_endpoint(hostif, 4); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + if (!usb_endpoint_dir_out(epd) || + !usb_endpoint_xfer_bulk(epd)) { snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n"); return -ENXIO; } diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index a49246113e7..00397c8a765 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1755,11 +1755,10 @@ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) if (get_iface_desc(hostif)->bNumEndpoints < 1) return 0; ep = get_endpoint(hostif, 0); - if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || - (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) return 0; - epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + epnum = usb_endpoint_num(ep); buffer_length = le16_to_cpu(ep->wMaxPacketSize); transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); if (!transfer_buffer) diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index c2515b680f9..73e59f4403a 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -589,7 +589,7 @@ static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) struct us122l *us122l; struct list_head *p; - card = dev_get_drvdata(&intf->dev); + card = usb_get_intfdata(intf); if (!card) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); @@ -615,7 +615,7 @@ static int snd_us122l_resume(struct usb_interface *intf) struct list_head *p; int err; - card = dev_get_drvdata(&intf->dev); + card = usb_get_intfdata(intf); if (!card) return 0; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index e5981a63031..ca26c532e77 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -392,7 +392,7 @@ static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_i void *chip; chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id); if (chip) { - dev_set_drvdata(&intf->dev, chip); + usb_set_intfdata(intf, chip); return 0; } else return -EIO; @@ -401,7 +401,7 @@ static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_i static void snd_usX2Y_disconnect(struct usb_interface *intf) { usX2Y_usb_disconnect(interface_to_usbdev(intf), - dev_get_drvdata(&intf->dev)); + usb_get_intfdata(intf)); } MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table); |