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Trond Myklebust f044636d97 NFS: Add attribute update barriers to nfs_setattr_update_inode() 
Ensure that other operations which raced with our setattr RPC call
cannot revert the file attribute changes that were made on the server.
To do so, we artificially bump the attribute generation counter on
the inode so that all calls to nfs_fattr_init() that precede ours
will be dropped.

The motivation for the patch came from Chuck Lever's reports of readaheads
racing with truncate operations and causing the file size to be reverted.

Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
2015-03-01 23:23:05 -05:00
..
9p
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
adfs
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affs
fs/affs/super.c: fix switch indentation
2015-02-17 14:34:53 -08:00
afs
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
autofs4
autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation
2015-02-22 11:43:34 -05:00
befs
fs/befs/linuxvfs.c: remove unnecessary casting
2015-02-17 14:34:50 -08:00
bfs
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btrfs
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-22 17:42:14 -08:00
cachefiles
Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
2015-02-22 11:38:41 -05:00
ceph
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-22 17:42:14 -08:00
cifs
Revert "locks: keep a count of locks on the flctx lists"
2015-02-16 14:32:03 -05:00
coda
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
configfs
configfs: Fix potential NULL d_inode dereference
2015-02-20 04:56:43 -05:00
cramfs
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debugfs
debugfs: leave freeing a symlink body until inode eviction
2015-02-22 11:38:43 -05:00
devpts
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dlm
netlink: make nlmsg_end() and genlmsg_end() void
2015-01-18 01:03:45 -05:00
ecryptfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
efivarfs
* Move efivarfs from the misc filesystem section to pseudo filesystem,
2015-01-29 19:16:40 +01:00
efs
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exofs
vfs: remove get_xip_mem
2015-02-16 17:56:03 -08:00
exportfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
ext2
ext2: get rid of most mentions of XIP in ext2
2015-02-16 17:56:04 -08:00
ext3
ext3: destroy sbi mutexes in put_super
2015-01-05 11:13:55 +01:00
ext4
Ext4 bug fixes for 3.20. We also reserved code points for encryption
2015-02-22 18:05:13 -08:00
f2fs
Merge tag 'for-f2fs-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
2015-02-12 19:28:50 -08:00
fat
fs: fat: use MSDOS_SB macro to get msdos_sb_info
2015-02-17 14:34:51 -08:00
freevxfs
…
fscache
fs/fscache/object-list.c: use __seq_open_private()
2014-10-13 17:52:21 +01:00
fuse
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
gfs2
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
hfs
fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp
2014-12-10 17:41:16 -08:00
hfsplus
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
hostfs
…
hpfs
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hppfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
hugetlbfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
isofs
isofs: Fix bug in the way to check if the year is a leap year
2015-01-07 09:51:49 +01:00
jbd
jbd: Deletion of an unnecessary check before the function call "iput"
2014-11-18 10:15:29 +01:00
jbd2
jbd2: complain about descriptor block checksum errors
2015-01-19 15:59:58 -05:00
jffs2
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-22 17:42:14 -08:00
jfs
Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 16:12:34 -08:00
kernfs
kernfs: remove KERNFS_STATIC_NAME
2015-02-13 21:21:36 -08:00
lockd
Merge branch 'for-3.20' of git://linux-nfs.org/~bfields/linux
2015-02-12 10:39:41 -08:00
logfs
…
minix
…
ncpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 14:56:45 -08:00
nfs
NFS: Add attribute update barriers to nfs_setattr_update_inode()
2015-03-01 23:23:05 -05:00
nfs_common
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nfsd
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
nilfs2
Merge branch 'for-3.20/bdi' of git://git.kernel.dk/linux-block
2015-02-12 13:50:21 -08:00
nls
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notify
fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
2015-02-22 11:38:42 -05:00
ntfs
fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info
2015-01-20 14:03:04 -07:00
ocfs2
ocfs2: set append dio as a ro compat feature
2015-02-16 17:56:05 -08:00
omfs
FS/OMFS: block number sanity check during fill_super operation
2014-10-14 02:18:22 +02:00
openpromfs
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overlayfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
proc
procfs: fix race between symlink removals and traversals
2015-02-22 11:43:12 -05:00
pstore
pstore: Fix sprintf format specifier in pstore_dump()
2015-01-16 16:01:29 -08:00
qnx4
…
qnx6
…
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2015-02-10 15:52:38 -08:00
ramfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
reiserfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
romfs
fs: remove mapping->backing_dev_info
2015-01-20 14:03:05 -07:00
squashfs
Squashfs: Add LZ4 compression configuration option
2014-11-27 18:48:44 +00:00
sysfs
driver core patches for 3.20-rc1
2015-02-15 11:11:47 -08:00
sysv
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ubifs
Merge branch 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs
2015-02-15 10:11:39 -08:00
udf
udf: remove bool assignment to 0/1
2015-02-05 16:34:25 +01:00
ufs
fs/ufs/super.c: fix potential race condition
2015-02-17 14:34:51 -08:00
xfs
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-22 17:42:14 -08:00
aio.c
fs/aio.c: Remove duplicate function name in pr_debug messages
2015-02-20 04:56:44 -05:00
anon_inodes.c
…
attr.c
…
bad_inode.c
don't bother with most of the bad_file_ops methods
2015-02-20 04:03:58 -05:00
binfmt_aout.c
assorted conversions to %p[dD]
2014-11-19 13:01:20 -05:00
binfmt_elf_fdpic.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_elf.c
x86, mm/ASLR: Fix stack randomization on 64-bit systems
2015-02-19 12:21:36 +01:00
binfmt_em86.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
binfmt_flat.c
…
binfmt_misc.c
unfuck binfmt_misc.c (broken by commit e6084d4)
2014-12-17 08:27:14 -05:00
binfmt_script.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
block_dev.c
Merge branch 'for-3.20/core' of git://git.kernel.dk/linux-block
2015-02-12 14:13:23 -08:00
buffer.c
fs: clarify rate limit suppressed buffer I/O errors
2014-10-21 13:55:11 -06:00
char_dev.c
fs: introduce f_op->mmap_capabilities for nommu mmap support
2015-01-20 14:02:58 -07:00
compat_binfmt_elf.c
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compat_ioctl.c
…
compat.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
coredump.c
coredump: Fix typo in comment
2015-02-20 04:56:44 -05:00
dax.c
dax: add dax_zero_page_range
2015-02-16 17:56:04 -08:00
dcache.c
VFS: Split DCACHE_FILE_TYPE into regular and special types
2015-02-22 11:38:38 -05:00
dcookies.c
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direct-io.c
fuse: honour max_read and max_write in direct_io mode
2014-09-26 21:16:51 -04:00
drop_caches.c
vmscan: per memory cgroup slab shrinkers
2015-02-12 18:54:09 -08:00
eventfd.c
eventfd: don't take the spinlock in eventfd_poll
2015-02-17 14:34:52 -08:00
eventpoll.c
epoll: optimize setting task running after blocking
2015-02-13 21:21:40 -08:00
exec.c
fs: create proper filename objects using getname_kernel()
2015-01-23 00:22:20 -05:00
fcntl.c
vfs: renumber FMODE_NONOTIFY and add to uniqueness check
2015-01-08 15:10:52 -08:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-10-13 11:28:42 +02:00
file.c
fs/file.c: replace get_unused_fd() with get_unused_fd_flags(0)
2014-12-10 17:41:10 -08:00
filesystems.c
…
fs_pin.c
switch the IO-triggering parts of umount to fs_pin
2015-01-25 23:17:29 -05:00
fs_struct.c
…
fs-writeback.c
trylock_super(): replacement for grab_super_passive()
2015-02-22 11:38:42 -05:00
inode.c
Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 16:12:34 -08:00
internal.h
trylock_super(): replacement for grab_super_passive()
2015-02-22 11:38:42 -05:00
ioctl.c
fsioctl.c: make generic_block_fiemap() signal-tolerant
2015-02-10 14:30:30 -08:00
Kconfig
dax: does not work correctly with virtual aliasing caches
2015-02-16 17:56:04 -08:00
Kconfig.binfmt
fs/binfmt_som: Drop kernel support for HP-UX SOM binaries
2015-02-17 16:29:36 +01:00
libfs.c
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
locks.c
locks: fix list insertion when lock is split in two
2015-02-17 17:08:23 -05:00
Makefile
Merge branch 'parisc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2015-02-17 14:25:58 -08:00
mbcache.c
…
mount.h
switch the IO-triggering parts of umount to fs_pin
2015-01-25 23:17:29 -05:00
mpage.c
vfs: guard end of device for mpage interface
2014-10-09 22:25:53 -04:00
namei.c
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
namespace.c
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
no-block.c
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nsfs.c
take the targets of /proc/*/ns/* symlinks to separate fs
2014-12-10 21:30:20 -05:00
open.c
Merge branch 'getname2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 15:27:47 -08:00
pipe.c
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pnode.c
mnt: Move the clear of MNT_LOCKED from copy_tree to it's callers.
2014-12-02 10:46:50 -06:00
pnode.h
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posix_acl.c
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
proc_namespace.c
vfs: add support for a lazytime mount option
2015-02-05 02:45:00 -05:00
read_write.c
Merge branch 'iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-02-17 15:48:33 -08:00
readdir.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
select.c
all arches, signal: move restart_block to struct task_struct
2015-02-12 18:54:12 -08:00
seq_file.c
bitmap, cpumask, nodemask: remove dedicated formatting functions
2015-02-13 21:21:39 -08:00
signalfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
splice.c
fs: add vfs_iter_{read,write} helpers
2015-01-29 00:13:13 -05:00
stack.c
…
stat.c
…
statfs.c
…
super.c
trylock_super(): replacement for grab_super_passive()
2015-02-22 11:38:42 -05:00
sync.c
vfs: add support for a lazytime mount option
2015-02-05 02:45:00 -05:00
timerfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
utimes.c
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xattr.c
new helper: audit_file()
2014-11-19 13:01:26 -05:00