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2012-05-31jffs2: remove unnecessary GC pass on syncArtem Bityutskiy1-2/+0
We do not need to call 'jffs2_write_super()' on sync. This function causes a GC pass to make sure the current contents is pushed out with the data which we already have on the media. But this is not needed on unmount and only slows sync down unnecessarily. It is enough to just sync the write-buffer. This call was added by one of the generic VFS rework patch-sets, see d579ed00aa96a7f7486978540a0d7cecaff742ae. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-31jffs2: remove unnecessary GC pass on umountArtem Bityutskiy1-3/+0
We do not need to call 'jffs2_write_super()' on unmount. This function causes a GC pass to make sure the current contents is pushed out with the data which we already have on the media. But this is not needed on unmount and only slows unmount down unnecessarily. It is enough to just sync the write-buffer. This call was added by one of the generic VFS rework patch-sets, see 8c85e125124a473d6f3e9bb187b0b84207f81d91. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-31jffs2: remove lock_superArtem Bityutskiy1-3/+0
We do not need 'lock_super()'/'unlock_super()' in JFFS2 - kill them. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30get rid of idiotic misplaced __kernel_mode_t in ncfps kernel-private data ↵Al Viro1-5/+5
structure Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30brlocks/lglocks: API cleanupsAndi Kleen6-95/+96
lglocks and brlocks are currently generated with some complicated macros in lglock.h. But there's no reason to not just use common utility functions and put all the data into a common data structure. In preparation, this patch changes the API to look more like normal function calls with pointers, not magic macros. The patch is rather large because I move over all users in one go to keep it bisectable. This impacts the VFS somewhat in terms of lines changed. But no actual behaviour change. [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30brlocks/lglocks: turn into functionsAndi Kleen2-2/+1
lglocks and brlocks are currently generated with some complicated macros in lglock.h. But there's no reason to not just use common utility functions and put all the data into a common data structure. Since there are at least two users it makes sense to share this code in a library. This is also easier maintainable than a macro forest. This will also make it later possible to dynamically allocate lglocks and also use them in modules (this would both still need some additional, but now straightforward, code) [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ocfs: simplify symlink handlingAl Viro4-104/+31
seeing that "fast" symlinks still get allocation + copy, we might as well simply switch them to pagecache-based variant of ->follow_link(); just need an appropriate ->readpage() for them... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30get rid of pointless allocations and copying in ecryptfs_follow_link()Al Viro1-39/+9
switch to generic_readlink(), while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: assorted endianness annotationsAl Viro4-60/+60
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate eaAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate struct hpfs_direntAl Viro3-12/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate struct anodeAl Viro1-4/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate struct fnodeAl Viro1-14/+14
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate btree nodes, get rid of bitfields messAl Viro3-51/+52
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: annotate struct dnodeAl Viro1-4/+4
little-endians... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: bitmaps are little-endianAl Viro3-12/+12
annotate properly... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: get rid of bitfields in struct fnodeAl Viro8-38/+32
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: get rid of bitfields endianness wanking in extended_attributeAl Viro3-34/+35
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30fs: fix inode.c kernel-doc warningsRandy Dunlap1-2/+1
Fix kernel-doc warnings in fs/inode.c: Warning(fs/inode.c:1493): No description found for parameter 'path' Warning(fs/inode.c:1493): Excess function parameter 'mnt' description in 'touch_atime' Warning(fs/inode.c:1493): Excess function parameter 'dentry' description in 'touch_atime' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30hpfs: endianness bugsAl Viro2-3/+3
a couple of le32 and le16 used with wrong le..._to_cpu(), plus idiotic use of le32_to_cpu() on 1-bit bitfield Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30btrfs: trivial endianness annotationsAl Viro3-7/+8
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ocfs2: kill endianness abuses in blockcheck.cAl Viro1-20/+22
ocfs2_block_check is for little-endian contents; if we just want to its fields converted to host-endian in a couple of functions, just put those values into local u32 and u16... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ocfs2: deal with __user misannotationsAl Viro2-21/+16
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ocfs2: trivial endianness misannotationsAl Viro3-5/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30affs: bury unused macrosAl Viro1-8/+0
... unused since 2.4.4. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30kill v9fs_dentry_from_dir_inode()Al Viro1-21/+3
In *all* callers we have a dentry of child of that directory. Just use ->d_parent of that one, for fsck sake... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ceph: move encode_fh to new APISage Weil1-13/+21
Use parent_inode has a flag for whether nfsd wants a connectable fh, but generate one opportunistically so that we can take advantage of the additional info in there. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30->encode_fh() API changeAl Viro13-130/+88
pass inode + parent's inode or NULL instead of dentry + bool saying whether we want the parent or not. NOTE: that needs ceph fix folded in. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30ubifs: use generic_fillattr()Al Viro1-10/+1
don't open-code it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30xfs: switch to proper __bitwise type for KM_... flagsAl Viro6-19/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch utimes() to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch statfs to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch flock to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch signalfd4() to fget_light/fput_lightAl Viro1-3/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch fcntl to fget_raw_light/fput_lightAl Viro1-25/+17
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch xattr syscalls to fget_light/fput_lightAl Viro1-8/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch readdir/getdents to fget_light/fput_lightAl Viro2-38/+28
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-30switch do_fsync() to fget_light()Al Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds17-587/+1039
Pull CIFS updates from Steve French. * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (29 commits) cifs: fix oops while traversing open file list (try #4) cifs: Fix comment as d_alloc_root() is replaced by d_make_root() CIFS: Introduce SMB2 mounts as vers=2.1 CIFS: Introduce SMB2 Kconfig option CIFS: Move add/set_credits and get_credits_field to ops structure CIFS: Move protocol specific demultiplex thread calls to ops struct CIFS: Move protocol specific part from cifs_readv_receive to ops struct CIFS: Move header_size/max_header_size to ops structure CIFS: Move protocol specific part from SendReceive2 to ops struct cifs: Include backup intent search flags during searches {try #2) CIFS: Separate protocol specific part from setlk CIFS: Separate protocol specific part from getlk CIFS: Separate protocol specific lock type handling CIFS: Convert lock type to 32 bit variable CIFS: Move locks to cifsFileInfo structure cifs: convert send_nt_cancel into a version specific op cifs: add a smb_version_operations/values structures and a smb_version enum cifs: remove the vers= and version= synonyms for ver= cifs: add warning about change in default cache semantics in 3.7 cifs: display cache= option in /proc/mounts ...
2012-05-29Merge tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds39-2786/+3743
Pull NFS client updates from Trond Myklebust: "New features include: - Rewrite the O_DIRECT code so that it can share the same coalescing and pNFS functionality as the page cache code. - Allow the server to provide hints as to when we should use pNFS, and when it is more efficient to read and write through the metadata server. - NFS cache consistency updates: * Use the ctime to emulate a change attribute for NFSv2/v3 so that all NFS versions can share the same cache management code. * New cache management code will only look at the change attribute and size attribute when deciding whether or not our cached data is still valid or not. * Don't request NFSv4 post-op attributes on writes in cases such as O_DIRECT, where we don't care about data cache consistency, or when we have a write delegation, and know that our cache is still consistent. * Don't request NFSv4 post-op attributes on operations such as COMMIT, where there are no expected metadata updates. * Don't request NFSv4 directory post-op attributes in cases where the operations themselves already return change attribute updates: i.e. operations such as OPEN, CREATE, REMOVE, LINK and RENAME. - Speed up 'ls' and friends by using READDIR rather than READDIRPLUS if we detect no attempts to lookup filenames. - Improve the code sharing between NFSv2/v3 and v4 mounts - NFSv4.1 state management efficiency improvements - More patches in preparation for NFSv4/v4.1 migration functionality." Fix trivial conflict in fs/nfs/nfs4proc.c that was due to the dcache qstr name initialization changes (that made the length/hash a 64-bit union) * tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (146 commits) NFSv4: Add debugging printks to state manager NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIO NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHE NFSv4.1: nfs4_reset_session should use nfs4_handle_reclaim_lease_error NFSv4.1: Handle other occurrences of NFS4ERR_CONN_NOT_BOUND_TO_SESSION NFSv4.1: Handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION in the state manager NFSv4.1: Handle errors in nfs4_bind_conn_to_session NFSv4.1: nfs4_bind_conn_to_session should drain the session NFSv4.1: Don't clobber the seqid if exchange_id returns a confirmed clientid NFSv4.1: Add DESTROY_CLIENTID NFSv4.1: Ensure we use the correct credentials for bind_conn_to_session NFSv4.1: Ensure we use the correct credentials for session create/destroy NFSv4.1: Move NFSPROC4_CLNT_BIND_CONN_TO_SESSION to the end of the operations NFSv4.1: Handle NFS4ERR_SEQ_MISORDERED when confirming the lease NFSv4: When purging the lease, we must clear NFS4CLNT_LEASE_CONFIRM NFSv4: Clean up the error handling for nfs4_reclaim_lease NFSv4.1: Exchange ID must use GFP_NOFS allocation mode nfs41: Use BIND_CONN_TO_SESSION for CB_PATH_DOWN* nfs4.1: add BIND_CONN_TO_SESSION operation NFSv4.1 test the mdsthreshold hint parameters ...
2012-05-29NFSv4: Add debugging printks to state managerTrond Myklebust1-0/+33
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-29NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIOTrond Myklebust1-0/+2
If a file OPEN is denied due to a share lock, the resulting NFS4ERR_SHARE_DENIED is currently mapped to the default EIO. This patch adds a more appropriate mapping, and brings Linux into line with what Solaris 10 does. See https://bugzilla.kernel.org/show_bug.cgi?id=43286 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org
2012-05-29Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osdLinus Torvalds4-2/+230
Pull exofs updates from Boaz Harrosh: "Just a couple of patches. The first is a BUG fix destined for stable which missed the 3.4-rc7 Kernel. The second is just a fixture addition so exofs is able to be better exported as a cluster file system via pNFS." * 'for-linus' of git://git.open-osd.org/linux-open-osd: exofs: Add SYSFS info for autologin/pNFS export exofs: Fix CRASH on very early IO errors.
2012-05-28Merge tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linuxLinus Torvalds47-186/+267
Pull writeback tree from Wu Fengguang: "Mainly from Jan Kara to avoid iput() in the flusher threads." * tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Avoid iput() from flusher thread vfs: Rename end_writeback() to clear_inode() vfs: Move waiting for inode writeback from end_writeback() to evict_inode() writeback: Refactor writeback_single_inode() writeback: Remove wb->list_lock from writeback_single_inode() writeback: Separate inode requeueing after writeback writeback: Move I_DIRTY_PAGES handling writeback: Move requeueing when I_SYNC set to writeback_sb_inodes() writeback: Move clearing of I_SYNC into inode_sync_complete() writeback: initialize global_dirty_limit fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds mm: page-writeback.c: local functions should not be exposed globally
2012-05-28NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHETrond Myklebust1-1/+1
We're already invalidating the data cache, and setting the new change attribute. Since directories don't care about the i_size field, there is no need to be forcing any extra revalidation of the page cache. We do keep the NFS_INO_INVALID_ATTR flag, in order to force an attribute cache revalidation on stat() calls since we do not update the mtime and ctime fields. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-27NFSv4.1: nfs4_reset_session should use nfs4_handle_reclaim_lease_errorTrond Myklebust1-1/+1
The results from a call to nfs4_proc_create_session() should always be fed into nfs4_handle_reclaim_lease_error, so that we can handle errors such as NFS4ERR_SEQ_MISORDERED correctly. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-27NFSv4.1: Handle other occurrences of NFS4ERR_CONN_NOT_BOUND_TO_SESSIONTrond Myklebust4-9/+15
Let nfs4_schedule_session_recovery() handle the details of choosing between resetting the session, and other session related recovery. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-27NFSv4.1: Handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION in the state managerTrond Myklebust1-1/+3
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-27NFSv4.1: Handle errors in nfs4_bind_conn_to_sessionTrond Myklebust1-1/+12
Ensure that we handle NFS4ERR_DELAY errors separately, and then let nfs4_recovery_handle_error() handle all other cases. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-27NFSv4.1: nfs4_bind_conn_to_session should drain the sessionTrond Myklebust1-0/+2
In order to avoid races with other RPC calls that end up setting the NFS4CLNT_BIND_CONN_TO_SESSION flag. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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