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Josef Bacik 31b9655f43 Btrfs: track transid for delayed ref flushing 
Using the offwakecputime bpf script I noticed most of our time was spent waiting
on the delayed ref throttling.  This is what is supposed to happen, but
sometimes the transaction can commit and then we're waiting for throttling that
doesn't matter anymore.  So change this stuff to be a little smarter by tracking
the transid we were in when we initiated the throttling.  If the transaction we
get is different then we can just bail out.  This resulted in a 50% speedup in
my fs_mark test, and reduced the amount of time spent throttling by 60 seconds
over the entire run (which is about 30 minutes).  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
2016-06-22 17:54:18 -07:00
..
9p
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
adfs
fs/adfs/adfs.h: tidy up comments
2016-01-20 17:09:18 -08:00
affs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
afs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
autofs4
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-03-19 18:52:29 -07:00
befs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
bfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
btrfs
Btrfs: track transid for delayed ref flushing
2016-06-22 17:54:18 -07:00
cachefiles
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
ceph
libceph: make authorizer destruction independent of ceph_auth_client
2016-04-25 20:54:13 +02:00
cifs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
coda
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-23 12:24:56 -08:00
configfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
cramfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
crypto
ext4/fscrypto: avoid RCU lookup in d_revalidate
2016-04-12 20:01:35 -07:00
debugfs
debugfs: Make automount point inodes permanently empty
2016-04-12 15:01:53 -07:00
devpts
devpts: more pty driver interface cleanups
2016-04-26 15:47:32 -07:00
dlm
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
ecryptfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
efivarfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
efs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
exofs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
exportfs
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
ext2
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
ext4
ext4/fscrypto: avoid RCU lookup in d_revalidate
2016-04-12 20:01:35 -07:00
f2fs
fscrypto: don't let data integrity writebacks fail with ENOMEM
2016-04-12 10:25:30 -07:00
fat
fat: add config option to set UTF-8 mount option by default
2016-03-22 15:36:02 -07:00
freevxfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
fscache
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
fuse
fuse: Fix return value from fuse_get_user_pages()
2016-04-25 13:01:04 +02:00
gfs2
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
hfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
hfsplus
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
hostfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
hpfs
hpfs: don't truncate the file when delete fails
2016-02-27 19:15:51 -05:00
hugetlbfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
isofs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
jbd2
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
jffs2
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
jfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
kernfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
lockd
lockd: constify nlmsvc_binding structure
2016-01-07 10:10:50 -05:00
logfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
minix
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
ncpfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
nfs
These changes contains a fix for overlayfs interacting with some
2016-04-07 17:22:20 -07:00
nfs_common
…
nfsd
Various bugfixes, a RDMA update from Chuck Lever, and support for a new
2016-03-24 19:50:32 -07:00
nilfs2
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
nls
…
notify
fsnotify: turn fsnotify reaper thread into a workqueue job
2016-02-18 16:23:24 -08:00
ntfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
ocfs2
ocfs2/dlm: return zero if deref_done message is successfully handled
2016-04-28 19:34:04 -07:00
omfs
…
openpromfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
orangefs
Orangefs: cleanups and a strncpy vulnerability fix.
2016-04-09 10:33:58 -07:00
overlayfs
fs: add file_dentry()
2016-03-26 16:14:37 -04:00
proc
proc: prevent accessing /proc/<PID>/environ until it's ready
2016-05-05 17:38:53 -07:00
pstore
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
qnx4
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
qnx6
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
quota
quota: Handle Q_GETNEXTQUOTA when quota is disabled
2016-03-29 17:20:10 +02:00
ramfs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
reiserfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
romfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
squashfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
sysfs
…
sysv
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
tracefs
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
ubifs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
udf
udf: Fix conversion of 'dstring' fields to UTF8
2016-04-25 15:18:50 +02:00
ufs
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
xfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
aio.c
…
anon_inodes.c
…
attr.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
bad_inode.c
fs/bad_inode.c: is_bad_inode can be boolean
2015-12-06 21:17:14 -05:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
binfmt_elf.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
binfmt_script.c
…
block_dev.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
buffer.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
Merge 4.5-rc4 into char-misc-next
2016-02-14 14:25:59 -08:00
compat.c
saner calling conventions for copy_mount_options()
2016-01-04 10:28:32 -05:00
coredump.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
dax.c
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
dcache.c
fs: add file_dentry()
2016-03-26 16:14:37 -04:00
dcookies.c
…
direct-io.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
drop_caches.c
…
eventfd.c
eventfd: document lockless access in eventfd_poll
2016-03-22 15:36:02 -07:00
eventpoll.c
timer: convert timer_slack_ns from unsigned long to u64
2016-03-17 15:09:34 -07:00
exec.c
Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-03-20 19:08:56 -07:00
fcntl.c
fcntl: allow to set O_DIRECT flag on pipe
2016-01-09 02:55:37 -05:00
fhandle.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
file_table.c
…
file.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
filesystems.c
find_filesystem(): simplify comparison
2016-01-19 12:02:23 -05:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
inode.c
writeback: initialize inode members that track writeback history
2016-02-16 14:57:21 -07:00
internal.h
Merge branch 'for-linus' into work.misc
2016-01-08 21:20:11 -05:00
ioctl.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
Kconfig
Merge tag 'ofs-pull-tag-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
2016-03-26 12:59:04 -07:00
Kconfig.binfmt
…
libfs.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
locks.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
Makefile
Merge tag 'ofs-pull-tag-1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
2016-03-26 12:59:04 -07:00
mbcache.c
mbcache: add reusable flag to cache entries
2016-02-22 22:44:04 -05:00
mount.h
…
mpage.c
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
namei.c
fix the braino in "namei: massage lookup_slow() to be usable by lookup_one_len_unlocked()"
2016-03-31 00:23:05 -04:00
namespace.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
no-block.c
…
nsfs.c
…
open.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
pipe.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
pnode.c
propogate_mnt: Handle the first propogated copy being a slave
2016-05-05 09:54:45 -05:00
pnode.h
…
posix_acl.c
xattr handlers: Simplify list operation
2015-12-13 19:46:12 -05:00
proc_namespace.c
vfs: show_vfsstat: do not ignore errors from show_devname method
2016-03-16 13:09:08 -04:00
read_write.c
Merge branches 'work.lookups', 'work.misc' and 'work.preadv2' into for-next
2016-03-18 16:07:38 -04:00
readdir.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
select.c
timer: convert timer_slack_ns from unsigned long to u64
2016-03-17 15:09:34 -07:00
seq_file.c
Make file credentials available to the seqfile interfaces
2016-04-14 12:56:09 -07:00
signalfd.c
…
splice.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
stack.c
…
stat.c
fs/stat.c: drop the last new_valid_dev check
2016-01-16 11:17:23 -08:00
statfs.c
…
super.c
writeback: flush inode cgroup wb switches instead of pinning super_block
2016-03-03 14:42:50 -07:00
sync.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
timerfd.c
timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
2016-01-17 11:13:55 +01:00
userfaultfd.c
userfaultfd: don't block on the last VM updates at exit time
2016-03-02 09:03:18 -08:00
utimes.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
xattr.c
xattr handlers: plug a lock leak in simple_xattr_list
2016-02-20 00:15:51 -05:00