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Pavel Begunkov 8f487ef2cb io_uring: mitigate unlikely iopoll lag 
We have requests like IORING_OP_FILES_UPDATE that don't go through
->iopoll_list but get completed in place under ->uring_lock, and so
after dropping the lock io_iopoll_check() should expect that some CQEs
might have get completed in a meanwhile.

Currently such events won't be accounted in @nr_events, and the loop
will continue to poll even if there is enough of CQEs. It shouldn't be a
problem as it's not likely to happen and so, but not nice either. Just
return earlier in this case, it should be enough.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/66ef932cc66a34e3771bbae04b2953a8058e9d05.1625747741.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-07-08 14:07:43 -06:00
..
9p
9p for 5.13-rc1
2021-05-07 11:18:52 -07:00
adfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
affs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
afs
netfslib fixes
2021-06-25 09:41:29 -07:00
autofs
autofs: should_expire() argument is guaranteed to be positive
2021-03-24 14:14:27 -04:00
befs
fs/befs: Delete obsolete TODO file
2021-03-30 16:54:49 -07:00
bfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
btrfs
for-5.14/block-2021-06-29
2021-06-30 12:12:56 -07:00
cachefiles
fscache, cachefiles: Add alternate API to use kiocb for read/write to cache
2021-04-23 10:14:32 +01:00
ceph
ceph: fix error handling in ceph_atomic_open and ceph_lookup
2021-06-22 13:53:28 +02:00
cifs
smb3: prevent races updating CurrentMid
2021-06-25 14:02:26 -05:00
coda
coda: fix reference counting in coda_file_mmap error path
2021-04-23 14:42:39 -07:00
configfs
fs: move ramfs_aops to libfs
2021-06-29 10:53:48 -07:00
cramfs
cramfs: use %pD instead of messing with file_dentry()->d_name
2021-01-05 23:02:47 -05:00
crypto
fscrypt: fix derivation of SipHash keys on big endian CPUs
2021-06-05 00:52:52 -07:00
debugfs
debugfs: Fix debugfs_read_file_str()
2021-06-04 15:01:08 +02:00
devpts
…
dlm
fs: dlm: invalid buffer access in lookup error
2021-06-11 12:44:47 -05:00
ecryptfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
efivarfs
efivars: convert to fileattr
2021-04-12 15:04:29 +02:00
efs
…
erofs
erofs: clean up file headers & footers
2021-06-08 00:41:24 +08:00
exfat
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
exportfs
exportfs: Add a function to return the raw output from fh_to_dentry()
2020-12-09 09:39:38 -05:00
ext2
fs: remove noop_set_page_dirty()
2021-06-29 10:53:48 -07:00
ext4
In addition to bug fixes and cleanups, there are two new features for
2021-06-30 19:37:39 -07:00
f2fs
f2fs: return EINVAL for hole cases in swap file
2021-05-12 07:38:00 -07:00
fat
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
freevxfs
…
fscache
fscache, cachefiles: Add alternate API to use kiocb for read/write to cache
2021-04-23 10:14:32 +01:00
fuse
mm: move page dirtying prototypes from mm.h
2021-06-29 10:53:48 -07:00
gfs2
Various minor gfs2 cleanups and fixes
2021-06-29 20:23:08 -07:00
hfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
hfsplus
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
hostfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-02 09:14:01 -07:00
hpfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
hugetlbfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2021-06-28 20:39:26 -07:00
iomap
iomap: use __set_page_dirty_nobuffers
2021-06-29 10:53:48 -07:00
isofs
isofs: remove redundant continue statement
2021-06-17 17:11:42 +02:00
jbd2
jbd2: export jbd2_journal_[un]register_shrinker()
2021-06-30 11:05:00 -04:00
jffs2
This pull request contains changes for JFFS2, UBI and UBIFS
2021-05-04 18:08:40 -07:00
jfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
kernfs
fs: move ramfs_aops to libfs
2021-06-29 10:53:48 -07:00
lockd
SUNRPC: Make trace_svc_process() display the RPC procedure symbolically
2021-01-25 09:36:23 -05:00
minix
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
netfs
netfs: fix test for whether we can skip read when writing beyond EOF
2021-06-21 21:24:07 +01:00
nfs
NFSv4: Fix second deadlock in nfs4_evict_inode()
2021-06-03 10:14:42 -04:00
nfs_common
NFSD: Add an xdr_stream-based encoder for NFSv2/3 ACLs
2021-03-22 10:19:00 -04:00
nfsd
NFS client updates for Linux 5.13
2021-05-07 11:23:41 -07:00
nilfs2
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
nls
…
notify
fanotify: fix copy_event_to_user() fid error clean up
2021-06-14 12:16:37 +02:00
ntfs
ntfs: fix validity check for file name attribute
2021-06-29 10:53:45 -07:00
ocfs2
In addition to bug fixes and cleanups, there are two new features for
2021-06-30 19:37:39 -07:00
omfs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
openpromfs
openpromfs: don't do unlock_new_inode() until the new inode is set up
2021-03-12 22:15:22 -05:00
orangefs
orangefs: leave files in the page cache for a few micro seconds at least
2021-04-29 08:06:05 -04:00
overlayfs
overlayfs update for 5.13
2021-04-30 15:17:08 -07:00
proc
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
pstore
for-5.14/drivers-2021-06-29
2021-06-30 12:21:16 -07:00
qnx4
…
qnx6
…
quota
quota: remove unnecessary oom message
2021-06-22 10:40:52 +02:00
ramfs
fs: move ramfs_aops to libfs
2021-06-29 10:53:48 -07:00
reiserfs
\n
2021-07-01 12:06:39 -07:00
romfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-24 12:26:05 -07:00
squashfs
squashfs: add option to panic on errors
2021-06-29 10:53:46 -07:00
sysfs
sysfs: Support zapping of binary attr mmaps
2021-01-12 14:26:31 +01:00
sysv
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
tracefs
tracing: Fix various typos in comments
2021-03-23 14:08:18 -04:00
ubifs
This pull request contains changes for JFFS2, UBI and UBIFS
2021-05-04 18:08:40 -07:00
udf
\n
2021-07-01 12:06:39 -07:00
ufs
mm: require ->set_page_dirty to be explicitly wired up
2021-06-29 10:53:48 -07:00
unicode
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
vboxsf
vboxsf: don't allow to change the inode type
2021-03-12 22:15:00 -05:00
verity
fsverity: relax build time dependency on CRYPTO_SHA256
2021-04-22 17:31:32 +10:00
xfs
Networking changes for 5.14.
2021-06-30 15:51:09 -07:00
zonefs
mm: move page dirtying prototypes from mm.h
2021-06-29 10:53:48 -07:00
aio.c
Revert "mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio"
2021-04-30 11:20:39 -07:00
anon_inodes.c
fs: anon_inodes: rephrase to appropriate kernel-doc
2021-01-15 12:17:25 -05:00
attr.c
ima: handle idmapped mounts
2021-01-24 14:27:20 +01:00
bad_inode.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
binfmt_aout.c
binfmt: remove in-tree usage of MAP_EXECUTABLE
2021-06-29 10:53:50 -07:00
binfmt_elf_fdpic.c
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
binfmt_elf.c
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
binfmt_em86.c
…
binfmt_flat.c
binfmt: remove in-tree usage of MAP_EXECUTABLE
2021-06-29 10:53:50 -07:00
binfmt_misc.c
binfmt_misc: fix possible deadlock in bm_register_write
2021-03-13 11:27:30 -08:00
binfmt_script.c
…
block_dev.c
In addition to bug fixes and cleanups, there are two new features for
2021-06-30 19:37:39 -07:00
buffer.c
mm/writeback: move __set_page_dirty() to core mm
2021-06-29 10:53:48 -07:00
char_dev.c
…
compat_binfmt_elf.c
get rid of COMPAT_ELF_EXEC_PAGESIZE
2021-01-06 08:42:51 -05:00
coredump.c
coredump: Limit what can interrupt coredumps
2021-06-10 14:02:29 -07:00
d_path.c
constify dentry argument of dentry_path()/dentry_path_raw()
2021-03-21 11:43:58 -04:00
dax.c
dax: fix ENOMEM handling in grab_mapping_entry()
2021-06-29 10:53:47 -07:00
dcache.c
useful constants: struct qstr for ".."
2021-04-15 22:36:45 -04:00
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-09 14:54:23 -07:00
drop_caches.c
…
eventfd.c
eventfd: Export eventfd_ctx_do_read()
2020-11-15 09:49:10 -05:00
eventpoll.c
fs/epoll: restore waking from ep_done_scan()
2021-05-06 19:24:13 -07:00
exec.c
Reimplement RLIMIT_NPROC on top of ucounts
2021-04-30 14:14:01 -05:00
fcntl.c
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
fhandle.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
file_table.c
epoll: take epitem list out of struct file
2020-10-25 20:02:08 -04:00
file.c
Merge branch 'work.file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-05-03 11:05:28 -07:00
filesystems.c
…
fs_context.c
…
fs_parser.c
vfs: fs_parser: clean up kernel-doc warnings
2021-04-30 11:20:35 -07:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
\n
2021-07-01 12:06:39 -07:00
fsopen.c
…
init.c
init: handle idmapped mounts
2021-01-24 14:27:19 +01:00
inode.c
mm: remove nrexceptional from inode: remove BUG_ON
2021-05-05 11:27:20 -07:00
internal.h
idmapped-mounts-v5.12
2021-02-23 13:39:45 -08:00
io_uring.c
io_uring: mitigate unlikely iopoll lag
2021-07-08 14:07:43 -06:00
io-wq.c
io_uring: fix false WARN_ONCE
2021-06-18 09:22:02 -06:00
io-wq.h
io_uring: move creds from io-wq work to io_kiocb
2021-06-18 09:22:02 -06:00
ioctl.c
vfs: add fileattr ops
2021-04-12 15:04:23 +02:00
Kconfig
NFS client updates for Linux 5.13
2021-05-07 11:23:41 -07:00
Kconfig.binfmt
binfmt_flat: allow not offsetting data start
2021-04-19 09:56:37 +10:00
kernel_read_file.c
fs/kernel_file_read: Add "offset" arg for partial reads
2020-10-05 13:37:04 +02:00
libfs.c
fs: remove noop_set_page_dirty()
2021-06-29 10:53:48 -07:00
locks.c
Additional fixes and clean-ups for NFSD since tags/nfsd-5.13,
2021-05-05 13:44:19 -07:00
Makefile
netfs: Provide readahead and readpage netfs helpers
2021-04-23 10:14:32 +01:00
mbcache.c
…
mount.h
mount: make {lock,unlock}_mount_hash() static
2021-01-24 14:29:34 +01:00
mpage.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
namei.c
fs.idmapped.helpers.v5.13
2021-04-27 12:49:42 -07:00
namespace.c
mount: Support "nosymfollow" in new mount api
2021-06-01 12:09:27 +02:00
no-block.c
…
nsfs.c
…
open.c
open: don't silently ignore unknown O-flags in openat2()
2021-05-28 17:44:37 +02:00
pipe.c
fs: delete repeated words in comments
2021-02-24 13:38:26 -08:00
pnode.c
…
pnode.h
mount: fix mounting of detached mounts onto targets that reside on shared mounts
2021-03-08 15:18:43 +01:00
posix_acl.c
fs: make helpers idmap mount aware
2021-01-24 14:27:20 +01:00
proc_namespace.c
fs: introduce MOUNT_ATTR_IDMAP
2021-01-24 14:43:45 +01:00
read_write.c
teach sendfile(2) to handle send-to-pipe directly
2021-01-25 23:29:36 -05:00
readdir.c
readdir: make sure to verify directory entry for legacy interfaces too
2021-04-17 11:39:49 -07:00
remap_range.c
ioctl: handle idmapped mounts
2021-01-24 14:27:19 +01:00
select.c
kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
2021-03-16 22:13:10 +01:00
seq_file.c
seq_file: Add a seq_bprintf function
2021-04-27 15:50:15 -07:00
signalfd.c
signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
2021-05-18 16:20:54 -05:00
splice.c
for-5.12/block-2021-02-17
2021-02-21 11:02:48 -08:00
stack.c
…
stat.c
fs: fix reporting supported extra file attributes for statx()
2021-04-17 23:03:50 -04:00
statfs.c
s390,alpha: switch to 64-bit ino_t
2021-02-13 17:17:53 +01:00
super.c
block: move bd_mutex to struct gendisk
2021-06-01 07:44:32 -06:00
sync.c
…
timerfd.c
…
userfaultfd.c
sched: Change task_struct::state
2021-06-18 11:43:09 +02:00
utimes.c
utimes: handle idmapped mounts
2021-01-24 14:27:18 +01:00
xattr.c
xattr: fix kernel-doc for mnt_userns and vfs xattr helpers
2021-03-23 11:20:26 +01:00