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2010-03-03hppfs can use existing proc_mnt, no need for do_kern_mount() in thereAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Mirror MS_KERNMOUNT in ->mnt_flagsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of useless vfsmount_lock use in put_mnt_ns()Al Viro
It hadn't been needed since we'd sanitized the logics in mark_mounts_for_expiry() (which, in turn, used to be a rudiment of bad old times when namespace_sem was per-ns). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Take vfsmount_lock to fs/internal.hAl Viro
no more users left outside of fs/*.c (and very few outside of fs/namespace.c, actually) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of insanity with namespace roots in tomoyoAl Viro
passing *any* namespace root to __d_path() as root is equivalent to just passing it {NULL, NULL}; no need to bother with finding the root of our namespace in there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03take check for new events in namespace (guts of mounts_poll()) to namespace.cAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Don't mess with generic_permission() under ->d_lock in hpfsAl Viro
Just use dentry_unhash() there Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize const/signedness for udfAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03nilfs: sanitize const/signedness in dealing with ->d_name.nameAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03nilfs really shouldn't slap struct dentry on stack...Al Viro
... especially when it only needs (and initializes) .d_name of it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize const/signedness of ufs a bitAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize signedness/const for pointers to char in hpfs a bitAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03new helper: iterate_mounts()Al Viro
apply function to vfsmounts in set returned by collect_mounts(), stop if it returns non-zero. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix NFS4 handling of mountpoint statAl Viro
RFC says we need to follow the chain of mounts if there's more than one stacked on that point. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Clean follow_dotdot() up a bitAl Viro
No need to open-code follow_up() in it and locking can be lighter. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix mnt_mountpoint abuse in smackAl Viro
(mnt,mnt_mountpoint) pair is conceptually wrong; if you want to use it for generating pathname and for nothing else *and* if you know that vfsmount tree is unchanging, you can get away with that, but the right solution for that is (mnt,mnt_root). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03a couple of mntget+dget -> path_get in nfs4procAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Switch alloc_nfs_open_context() to struct pathAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03New helper: path_is_under(path1, path2)Al Viro
Analog of is_subdir for vfsmount,dentry pairs, moved from audit_tree.c Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03VFS: Clean up shared mount flag propagationValerie Aurora
The handling of mount flags in set_mnt_shared() got a little tangled up during previous cleanups, with the following problems: * MNT_PNODE_MASK is defined as a literal constant when it should be a bitwise xor of other MNT_* flags * set_mnt_shared() clears and then sets MNT_SHARED (part of MNT_PNODE_MASK) * MNT_PNODE_MASK could use a comment in mount.h * MNT_PNODE_MASK is a terrible name, change to MNT_SHARED_MASK This patch fixes these problems. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03kill unused invalidate_inode_pages helperChristoph Hellwig
No one is calling this anymore as everyone has switched to invalidate_mapping_pages long time ago. Also update a few references to it in comments. nfs has two more, but I can't easily figure what they are actually referring to, so I left them as-is. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fs: re-order super_block to remove 16 bytes of padding on 64bit buildsRichard Kennedy
re-order structure super_block to remove 16 bytes of alignment padding on 64bit builds. This shrinks the size of super_block from 712 to 696 bytes so requiring one fewer 64 byte cache lines. Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> ----- patch against 2.6.33-rc5 compiled & tested on x86_64 AMDX2 desktop machine. I've been running with this patch applied for several weeks with no problems. regards Richard Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Simplify failure exits in s390/hypfs fill_super()Al Viro
->kill_sb() will be called after any failure exit, so no need to duplicate what it can do. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Don't bother with d_genocide in rpc_pipeAl Viro
kill_litter_super() from ->kill_sb() will take care of the junk
2010-03-03Use kill_litter_super() in autofs4 ->kill_sb()Al Viro
... and get rid of open-coding its guts (i.e. RIP autofs4_force_release()) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Get rid of mnt_mountpoint abuses in ext4Al Viro
path to mnt/mnt->mnt_root is no worse than that to mnt->mnt_parent/mnt->mnt_mountpoint *and* needs no pinning the sucker down (mnt is not going away and mnt->mnt_root won't change) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Sanitize autofs_dev_ioctl_ismountpoint()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03switch infiniband uverbs to anon_inodesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03add several pieces to shared subtree documentationAl Viro
* document locking * add the missing part of data structure invariants (relationship between mnt_share and mnt_slave lists in case of a peer group among slaves). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Kill CL_PROPAGATION, sanitize fs/pnode.c:get_source()Al Viro
First of all, get_source() never results in CL_PROPAGATION alone. We either get CL_MAKE_SHARED (for the continuation of peer group) or CL_SLAVE (slave that is not shared) or both (beginning of peer group among slaves). Massage the code to make that explicit, kill CL_PROPAGATION test in clone_mnt() (nothing sets CL_MAKE_SHARED without CL_PROPAGATION and in clone_mnt() we are checking CL_PROPAGATION after we'd found that there's no CL_SLAVE, so the check for CL_MAKE_SHARED would do just as well). Fix comments, while we are at it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Switch gfs2 to nd_set_link()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Switch may_open() and break_lease() to passing O_...Al Viro
... instead of mixing FMODE_ and O_ Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fs: improve remount,ro vs buffercache coherencyNick Piggin
Invalidate sb->s_bdev on remount,ro. Fixes a problem reported by Jorge Boncompte who is seeing corruption trying to snapshot a minix filesystem image. Some filesystems modify their metadata via a path other than the bdev buffer cache (eg. they may use a private linear mapping for their metadata, or implement directories in pagecache, etc). Also, file data modifications usually go to the bdev via their own mappings. These updates are not coherent with buffercache IO (eg. via /dev/bdev) and never have been. However there could be a reasonable expectation that after a mount -oremount,ro operation then the buffercache should subsequently be coherent with previous filesystem modifications. So invalidate the bdev mappings on a remount,ro operation to provide a coherency point. The problem was exposed when we switched the old rd to brd because old rd didn't really function like a normal block device and updates to rd via mappings other than the buffercache would still end up going into its buffercache. But the same problem has always affected other "normal" block devices, including loop. [akpm@linux-foundation.org: repair comment layout] Reported-by: "Jorge Boncompte [DTI2]" <jorge@dti2.net> Tested-by: "Jorge Boncompte [DTI2]" <jorge@dti2.net> Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fs/dcache.c: CodingStyle cleanupH Hartley Sweeten
Cleanup EXPORT* macros according to Documantation/CodingStyle. Move EXPORT* macros to the line immediately after the closing function brace. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03some clean up in fs/procHelight.Xu
EXPORT_SYMBOL(proc_symlink); EXPORT_SYMBOL(proc_mkdir); EXPORT_SYMBOL(create_proc_entry); EXPORT_SYMBOL(proc_create_data); EXPORT_SYMBOL(remove_proc_entry); Those EXPORT_SYMBOL shouldn't be in fs/proc/root.c, should be in fs/proc/generic.c. Signed-off-by: Helight.Xu <helight.xu@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03libfs: Unexport and kill simple_prepare_writeBoaz Harrosh
Remove the EXPORT_UNUSED_SYMBOL of simple_prepare_write Collapse simple_prepare_write into it's only caller, though making it simpler and clearer to understand. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03libfs: Open code simple_commit_write into only userBoaz Harrosh
* simple_commit_write was only called by simple_write_end. Open coding it makes it tiny bit less heavy on the arithmetic and much more readable. * While at it use zero_user() for clearing a partial page. * While at it add a docbook comment for simple_write_end. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Revert "autofs4: always use lookup for lookup"Al Viro
This reverts commit 213614d583748d00967a91cacd656f417efb36ce. Alas, ->d_revalidate() can't rely on ->lookup() finishing what it's started; if d_alloc() in do_lookup() fails, we are not going to call ->lookup() at all. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-02-24Linux 2.6.33v2.6.33Linus Torvalds
2010-02-24Merge branch 'urgent' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6 * 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: parisc: Set PCI CLS early in boot.
2010-02-24Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix broken sn2 build
2010-02-24parisc: Set PCI CLS early in boot.Carlos O'Donell
Set the PCI CLS early in the boot process to prevent device failures. In pcibios_set_master use the new pci_cache_line_size instead of a hard-coded value. Signed-off-by: Carlos O'Donell <carlos@codesourcery.com> Reviewed-by: Grant Grundler <grundler@google.com> Signed-off-by: Kyle McMartin <kyle@redhat.com>
2010-02-24Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix out_le32() macro microblaze: Fix cache loop function for cache range
2010-02-24Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Revert "block: improve queue_should_plug() by looking at IO depths"
2010-02-24microblaze: Fix out_le32() macroSteven J. Magnani
Trailing semicolon causes compilation involving out_le32() to fail. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-24microblaze: Fix cache loop function for cache rangeMichal Simek
I create wrong asm code but none test shows that this part of code is wrong. I am not convinces that were good idea to create asm optimized macros for caches. The reason is that there is not optimization with previous code that's why make sense to add old code and do some benchmarking which functions are faster. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: bug fix for vlan + gro issue tc35815: Remove a wrong netif_wake_queue() call which triggers BUG_ON cdc_ether: new PID for Ericsson C3607w to the whitelist (resubmit) IPv6: better document max_addresses parameter MAINTAINERS: update mv643xx_eth maintenance status e1000: Fix DMA mapping error handling on RX iwlwifi: sanity check before counting number of tfds can be free iwlwifi: error checking for number of tfds in queue iwlwifi: set HT flags after channel in rxon
2010-02-23net: bug fix for vlan + gro issueAjit Khaparde
Traffic (tcp) doesnot start on a vlan interface when gro is enabled. Even the tcp handshake was not taking place. This is because, the eth_type_trans call before the netif_receive_skb in napi_gro_finish() resets the skb->dev to napi->dev from the previously set vlan netdev interface. This causes the ip_route_input to drop the incoming packet considering it as a packet coming from a martian source. I could repro this on 2.6.32.7 (stable) and 2.6.33-rc7. With this fix, the traffic starts and the test runs fine on both vlan and non-vlan interfaces. CC: Herbert Xu <herbert@gondor.apana.org.au> CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-23Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: Be in TS_POLLING state during mwait based C-state entry ACPI: Fix regression where _PPC is not read at boot even when ignore_ppc=0 acer-wmi: Respect current backlight level when loading
2010-02-23Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/vmwgfx: Fix queries if no dma buffer thrashing is occuring. drm/nv50: fix vram ptes on IGPs to point at stolen system memory drm/nv50: fix instmem binding on IGPs to point at stolen system memory drm/nv50: improve vram page table construction drm/nv50: more efficient clearing of gpu page table entries drm/nv50: make nv50_mem_vm_{bind,unbind} operate only on vram drm/nouveau: Fix up pre-nv17 analog load detection.
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