diff options
Diffstat (limited to 'arch/s390/hypfs')
-rw-r--r-- | arch/s390/hypfs/hypfs.h | 2 | ||||
-rw-r--r-- | arch/s390/hypfs/hypfs_diag.c | 42 | ||||
-rw-r--r-- | arch/s390/hypfs/hypfs_diag.h | 2 | ||||
-rw-r--r-- | arch/s390/hypfs/inode.c | 36 |
4 files changed, 44 insertions, 38 deletions
diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h index ea5567be00f..f3dbd91965c 100644 --- a/arch/s390/hypfs/hypfs.h +++ b/arch/s390/hypfs/hypfs.h @@ -1,5 +1,5 @@ /* - * fs/hypfs/hypfs.h + * arch/s390/hypfs/hypfs.h * Hypervisor filesystem for Linux on s390. * * Copyright (C) IBM Corp. 2006 diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 1785bce2b91..443fa377d9f 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -1,5 +1,5 @@ /* - * fs/hypfs/hypfs_diag.c + * arch/s390/hypfs/hypfs_diag.c * Hypervisor filesystem for Linux on s390. Diag 204 and 224 * implementation. * @@ -333,22 +333,14 @@ static int diag204(unsigned long subcode, unsigned long size, void *addr) register unsigned long _subcode asm("0") = subcode; register unsigned long _size asm("1") = size; - asm volatile (" diag %2,%0,0x204\n" - "0: \n" ".section __ex_table,\"a\"\n" -#ifndef __s390x__ - " .align 4\n" - " .long 0b,0b\n" -#else - " .align 8\n" - " .quad 0b,0b\n" -#endif - ".previous":"+d" (_subcode), "+d"(_size) - :"d"(addr) - :"memory"); + asm volatile( + " diag %2,%0,0x204\n" + "0:\n" + EX_TABLE(0b,0b) + : "+d" (_subcode), "+d" (_size) : "d" (addr) : "memory"); if (_subcode) return -1; - else - return _size; + return _size; } /* @@ -403,7 +395,8 @@ static void *diag204_get_buffer(enum diag204_format fmt, int *pages) *pages = 1; return diag204_alloc_rbuf(); } else {/* INFO_EXT */ - *pages = diag204(SUBC_RSI | INFO_EXT, 0, NULL); + *pages = diag204((unsigned long)SUBC_RSI | + (unsigned long)INFO_EXT, 0, NULL); if (*pages <= 0) return ERR_PTR(-ENOSYS); else @@ -432,12 +425,14 @@ static int diag204_probe(void) buf = diag204_get_buffer(INFO_EXT, &pages); if (!IS_ERR(buf)) { - if (diag204(SUBC_STIB7 | INFO_EXT, pages, buf) >= 0) { + if (diag204((unsigned long)SUBC_STIB7 | + (unsigned long)INFO_EXT, pages, buf) >= 0) { diag204_store_sc = SUBC_STIB7; diag204_info_type = INFO_EXT; goto out; } - if (diag204(SUBC_STIB6 | INFO_EXT, pages, buf) >= 0) { + if (diag204((unsigned long)SUBC_STIB6 | + (unsigned long)INFO_EXT, pages, buf) >= 0) { diag204_store_sc = SUBC_STIB7; diag204_info_type = INFO_EXT; goto out; @@ -452,7 +447,8 @@ static int diag204_probe(void) rc = PTR_ERR(buf); goto fail_alloc; } - if (diag204(SUBC_STIB4 | INFO_SIMPLE, pages, buf) >= 0) { + if (diag204((unsigned long)SUBC_STIB4 | + (unsigned long)INFO_SIMPLE, pages, buf) >= 0) { diag204_store_sc = SUBC_STIB4; diag204_info_type = INFO_SIMPLE; goto out; @@ -476,7 +472,8 @@ static void *diag204_store(void) buf = diag204_get_buffer(diag204_info_type, &pages); if (IS_ERR(buf)) goto out; - if (diag204(diag204_store_sc | diag204_info_type, pages, buf) < 0) + if (diag204((unsigned long)diag204_store_sc | + (unsigned long)diag204_info_type, pages, buf) < 0) return ERR_PTR(-ENOSYS); out: return buf; @@ -486,8 +483,7 @@ out: static void diag224(void *ptr) { - asm volatile(" diag %0,%1,0x224\n" - : :"d" (0), "d"(ptr) : "memory"); + asm volatile("diag %0,%1,0x224" : :"d" (0), "d"(ptr) : "memory"); } static int diag224_get_name_table(void) @@ -531,7 +527,7 @@ __init int hypfs_diag_init(void) return rc; } -__exit void hypfs_diag_exit(void) +void hypfs_diag_exit(void) { diag224_delete_name_table(); diag204_free_buffer(); diff --git a/arch/s390/hypfs/hypfs_diag.h b/arch/s390/hypfs/hypfs_diag.h index 793dea6b9bb..256b384aebe 100644 --- a/arch/s390/hypfs/hypfs_diag.h +++ b/arch/s390/hypfs/hypfs_diag.h @@ -1,5 +1,5 @@ /* - * fs/hypfs/hypfs_diag.h + * arch/s390/hypfs_diag.h * Hypervisor filesystem for Linux on s390. * * Copyright (C) IBM Corp. 2006 diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 18c091925ea..cd702ae45d6 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -1,5 +1,5 @@ /* - * fs/hypfs/inode.c + * arch/s390/hypfs/inode.c * Hypervisor filesystem for Linux on s390. * * Copyright (C) IBM Corp. 2006 @@ -91,7 +91,6 @@ 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_blksize = PAGE_CACHE_SIZE; ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; if (mode & S_IFDIR) @@ -104,13 +103,13 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode) static void hypfs_drop_inode(struct inode *inode) { - kfree(inode->u.generic_ip); + kfree(inode->i_private); generic_delete_inode(inode); } static int hypfs_open(struct inode *inode, struct file *filp) { - char *data = filp->f_dentry->d_inode->u.generic_ip; + char *data = filp->f_dentry->d_inode->i_private; struct hypfs_sb_info *fs_info; if (filp->f_mode & FMODE_WRITE) { @@ -135,12 +134,20 @@ static int hypfs_open(struct inode *inode, struct file *filp) return 0; } -static ssize_t hypfs_aio_read(struct kiocb *iocb, __user char *buf, - size_t count, loff_t offset) +static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t offset) { char *data; size_t len; struct file *filp = iocb->ki_filp; + /* XXX: temporary */ + char __user *buf = iov[0].iov_base; + size_t count = iov[0].iov_len; + + if (nr_segs != 1) { + count = -EINVAL; + goto out; + } data = filp->private_data; len = strlen(data); @@ -159,12 +166,13 @@ static ssize_t hypfs_aio_read(struct kiocb *iocb, __user char *buf, out: return count; } -static ssize_t hypfs_aio_write(struct kiocb *iocb, const char __user *buf, - size_t count, loff_t pos) +static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t offset) { int rc; struct super_block *sb; struct hypfs_sb_info *fs_info; + size_t count = iov_length(iov, nr_segs); sb = iocb->ki_filp->f_dentry->d_inode->i_sb; fs_info = sb->s_fs_info; @@ -312,10 +320,12 @@ static void hypfs_kill_super(struct super_block *sb) { struct hypfs_sb_info *sb_info = sb->s_fs_info; - hypfs_delete_tree(sb->s_root); - hypfs_remove(sb_info->update_file); - kfree(sb->s_fs_info); - sb->s_fs_info = NULL; + if (sb->s_root) { + hypfs_delete_tree(sb->s_root); + hypfs_remove(sb_info->update_file); + kfree(sb->s_fs_info); + sb->s_fs_info = NULL; + } kill_litter_super(sb); } @@ -350,7 +360,7 @@ static struct dentry *hypfs_create_file(struct super_block *sb, parent->d_inode->i_nlink++; } else BUG(); - inode->u.generic_ip = data; + inode->i_private = data; d_instantiate(dentry, inode); dget(dentry); return dentry; |