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Christoph Hellwig 942491c9e6 xfs: fix AIM7 regression 
Apparently our current rwsem code doesn't like doing the trylock, then
lock for real scheme.  So change our read/write methods to just do the
trylock for the RWF_NOWAIT case.  This fixes a ~25% regression in
AIM7.

Fixes: 91f9943e ("fs: support RWF_NOWAIT for buffered reads")
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-10-23 18:31:50 -07:00
..
9p
9p: set page uptodate when required in write_end()
2017-10-11 09:30:08 -07:00
adfs
…
affs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
afs
Merge branch 'akpm' (patches from Andrew)
2017-09-06 20:49:49 -07:00
autofs4
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:13:32 -07:00
befs
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
bfs
bfs: fix sanity checks for empty files
2017-07-12 16:26:00 -07:00
btrfs
Merge branch 'for-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2017-10-06 09:03:08 -07:00
cachefiles
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
ceph
ceph: fix __choose_mds() for LSSNAP request
2017-10-02 16:18:16 +02:00
cifs
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
2017-09-22 19:47:17 -05:00
coda
fs: fix kernel_read prototype
2017-09-04 19:05:15 -04:00
configfs
configfs: Introduce config_item_get_unless_zero()
2017-06-12 13:20:20 +02:00
cramfs
…
crypto
block: replace bi_bdev with a gendisk pointer and partitions index
2017-08-23 12:49:55 -06:00
debugfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-15 12:00:42 -07:00
devpts
pty: Repair TIOCGPTPEER
2017-08-24 13:23:03 -07:00
dlm
File locking related changes for v4.14
2017-09-06 13:43:26 -07:00
ecryptfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
efivarfs
VFS: Kill off s_options and helpers
2017-07-11 06:09:21 -04:00
efs
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
exofs
Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block
2017-09-07 11:59:42 -07:00
exportfs
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ext2
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
ext4
Merge branch 'work.read_write' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 19:29:55 -07:00
f2fs
f2fs: fix potential panic during fstrim
2017-10-03 08:06:05 -07:00
fat
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
freevxfs
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fscache
fscache: fix fscache_objlist_show format processing
2017-09-13 18:53:15 -07:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2017-09-13 10:10:19 -07:00
gfs2
GFS2: Fix an old regression in GFS2's debugfs interface
2017-09-25 15:41:56 -07:00
hfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
hfsplus
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
hostfs
fs: convert a pile of fsync routines to errseq_t based reporting
2017-08-01 08:39:29 -04:00
hpfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
hugetlbfs
lib/interval_tree: fast overlap detection
2017-09-08 18:26:49 -07:00
isofs
isofs: fix build regression
2017-09-18 12:24:26 +02:00
jbd2
Writeback error handling fixes (pile #2)
2017-07-07 19:38:17 -07:00
jffs2
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
jfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
kernfs
Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block
2017-09-07 11:59:42 -07:00
lockd
NFS client updates for Linux 4.14
2017-09-11 22:01:44 -07:00
minix
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
ncpfs
fs: convert a pile of fsync routines to errseq_t based reporting
2017-08-01 08:39:29 -04:00
nfs
NFSv4/pnfs: Fix an infinite layoutget loop
2017-10-04 14:06:54 -04:00
nfs_common
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nfsd
nfsd4: define nfsd4_secinfo_no_name_release()
2017-10-05 14:45:25 -04:00
nilfs2
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
nls
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notify
fsnotify: make dnotify_fsnotify_ops const
2017-08-30 16:02:48 +02:00
ntfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
ocfs2
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
omfs
omfs: Implement show_options
2017-07-06 03:31:46 -04:00
openpromfs
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orangefs
orangefs: Adjust three checks for null pointers
2017-09-14 14:58:31 -04:00
overlayfs
ovl: fix regression caused by exclusive upper/work dir protection
2017-10-05 15:53:18 +02:00
proc
sched/debug: Add explicit TASK_PARKED printing
2017-09-29 11:02:57 +02:00
pstore
Revert "pstore: Honor dmesg_restrict sysctl on dmesg dumps"
2017-08-17 16:29:19 -07:00
qnx4
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qnx6
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quota
quota: Generate warnings for DQUOT_SPACE_NOFAIL allocations
2017-10-10 17:24:46 +02:00
ramfs
mm: make pagevec_lookup() update index
2017-09-06 17:27:26 -07:00
reiserfs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
romfs
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squashfs
squashfs: Add zstd support
2017-09-08 19:33:25 -07:00
sysfs
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sysv
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
tracefs
VFS: Don't use save/replace_mount_options if not using generic_show_options
2017-07-06 03:31:46 -04:00
ubifs
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
udf
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
ufs
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
xfs
xfs: fix AIM7 regression
2017-10-23 18:31:50 -07:00
aio.c
Merge branch 'work.read_write' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 19:29:55 -07:00
anon_inodes.c
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attr.c
…
bad_inode.c
…
binfmt_aout.c
fs: fix kernel_read prototype
2017-09-04 19:05:15 -04:00
binfmt_elf_fdpic.c
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:13:32 -07:00
binfmt_elf.c
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:13:32 -07:00
binfmt_em86.c
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binfmt_flat.c
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:13:32 -07:00
binfmt_misc.c
fs/binfmt_misc.c: node could be NULL when evicting inode
2017-10-13 16:18:33 -07:00
binfmt_script.c
exec: load_script: kill the onstack interp[BINPRM_BUF_SIZE] array
2017-10-03 17:54:25 -07:00
block_dev.c
fs/mpage.c: fix mpage_writepage() for pages with buffers
2017-10-13 16:18:33 -07:00
buffer.c
Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block
2017-09-07 11:59:42 -07:00
char_dev.c
char_dev: order /proc/devices by major number
2017-07-17 15:28:50 +02:00
compat_binfmt_elf.c
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compat_ioctl.c
media: get rid of removed DMX_GET_CAPS and DMX_SET_SOURCE leftovers
2017-09-05 08:25:07 -04:00
compat.c
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coredump.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
dax.c
- Some request-based DM core and DM multipath fixes and cleanups
2017-09-14 13:43:16 -07:00
dcache.c
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-15 12:00:42 -07:00
dcookies.c
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direct-io.c
fs: invalidate page cache after end_io() in dio completion
2017-10-16 12:11:56 -07:00
drop_caches.c
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eventfd.c
There has been a fair amount of activity in the docs tree this time
2017-07-03 21:13:25 -07:00
eventpoll.c
fs/epoll: use faster rb_first_cached()
2017-09-08 18:26:49 -07:00
exec.c
exec: load_script: kill the onstack interp[BINPRM_BUF_SIZE] array
2017-10-03 17:54:25 -07:00
fcntl.c
fcntl: Don't set si_code to SI_SIGIO when sig == SIGPOLL
2017-09-18 22:51:14 -05:00
fhandle.c
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file_table.c
fput: Don't reinvent the wheel but use existing llist API
2017-08-28 00:50:23 -04:00
file.c
fs/file.c: replace alloc_fdmem() with kvmalloc() alternative
2017-07-06 16:24:30 -07:00
filesystems.c
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-15 12:00:42 -07:00
fs_pin.c
sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
2017-06-20 12:19:14 +02:00
fs_struct.c
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fs-writeback.c
writeback: rework wb_[dec|inc]_stat family of functions
2017-07-12 16:26:05 -07:00
inode.c
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2017-09-13 09:11:44 -07:00
internal.h
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2017-09-13 09:11:44 -07:00
ioctl.c
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iomap.c
fs: invalidate page cache after end_io() in dio completion
2017-10-16 12:11:56 -07:00
Kconfig
fs/Kconfig: kill CONFIG_PERCPU_RWSEM some more
2017-07-12 16:26:00 -07:00
Kconfig.binfmt
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libfs.c
fs: convert __generic_file_fsync to use errseq_t based reporting
2017-07-06 07:02:29 -04:00
locks.c
locks: restore a warn for leaked locks on close
2017-07-21 13:57:31 -04:00
Makefile
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mbcache.c
ext4: xattr inode deduplication
2017-06-22 11:44:55 -04:00
mount.h
Now that IPC and other changes have landed, enable manual markings for
2017-07-19 08:55:18 -07:00
mpage.c
fs/mpage.c: fix mpage_writepage() for pages with buffers
2017-10-13 16:18:33 -07:00
namei.c
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
namespace.c
ovl: fix may_write_real() for overlayfs directories
2017-10-05 15:53:18 +02:00
no-block.c
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nsfs.c
VFS: Provide empty name qstr
2017-07-06 03:27:09 -04:00
open.c
ovl: don't allow writing ioctl on lower layer
2017-09-05 12:53:12 +02:00
pipe.c
VFS: Provide empty name qstr
2017-07-06 03:27:09 -04:00
pnode.c
mnt: Make propagate_umount less slow for overlapping mount propagation trees
2017-05-23 08:41:17 -05:00
pnode.h
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posix_acl.c
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proc_namespace.c
VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
2017-07-17 08:45:34 +01:00
read_write.c
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
2017-09-26 13:46:06 -07:00
readdir.c
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select.c
fs/select: Fix memory corruption in compat_get_fd_set()
2017-08-28 16:09:19 -07:00
seq_file.c
mm: introduce kv[mz]alloc helpers
2017-05-08 17:15:12 -07:00
signalfd.c
signal: Remove kernel interal si_code magic
2017-07-24 14:30:28 -05:00
splice.c
fs: move kernel_write to fs/read_write.c
2017-09-04 19:05:15 -04:00
stack.c
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stat.c
fs: Provide __inode_get_bytes()
2017-08-17 22:06:03 +02:00
statfs.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-08 10:50:54 -07:00
super.c
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
sync.c
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-09-14 18:54:01 -07:00
timerfd.c
timerfd: Use get_itimerspec64() and put_itimerspec64()
2017-06-30 04:14:38 -04:00
userfaultfd.c
userfaultfd: non-cooperative: fix fork use after free
2017-10-03 17:54:25 -07:00
utimes.c
utimes: Make utimes y2038 safe
2017-09-03 20:24:30 -04:00
xattr.c
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
2017-10-04 18:03:15 +11:00