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Jens Axboe fa84693b3c io_uring: ensure IORING_REGISTER_IOWQ_MAX_WORKERS works with SQPOLL 
SQPOLL has a different thread doing submissions, we need to check for
that and use the right task context when updating the worker values.
Just hold the sqd->lock across the operation, this ensures that the
thread cannot go away while we poke at ->io_uring.

Link: https://github.com/axboe/liburing/issues/420
Fixes: 2e480058ddc2 ("io-wq: provide a way to limit max number of workers")
Reported-by: Johannes Lundberg <johalun0@gmail.com>
Tested-by: Johannes Lundberg <johalun0@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-09-03 06:16:11 -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
afs: Remove redundant assignment to ret
2021-07-21 15:11:22 +01:00
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-rc6-tag
2021-08-18 12:06:42 -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: take snap_empty_lock atomically with snaprealm refcount change
2021-08-04 19:20:29 +02:00
cifs
cifs: Call close synchronously during unlink/rename/lease break.
2021-08-12 11:29:58 -05:00
coda
coda: fix reference counting in coda_file_mmap error path
2021-04-23 14:42:39 -07:00
configfs
configfs: restore the kernel v5.13 text attribute write behavior
2021-08-09 16:56:00 +02:00
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
Linux 5.13-rc6
2021-06-14 09:07:45 +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
Description for this pull request:
2021-07-06 11:06:04 -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/ext2: Avoid page_address on pages returned by ext2_get_page
2021-07-16 12:36:51 +02:00
ext4
ext4: fix potential htree corruption when growing large_dir directories
2021-08-06 13:00:49 -04:00
f2fs
f2fs: drop dirty node pages when cp is in error status
2021-07-06 22:05:06 -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
Merge branch 'for-5.14/dax' into libnvdimm-fixes
2021-08-11 12:04:43 -07:00
gfs2
Various minor gfs2 cleanups and fixes
2021-06-29 20:23:08 -07:00
hfs
hfs: add lock nesting notation to hfs_find_init
2021-07-15 10:13:49 -07:00
hfsplus
hfsplus: report create_date to kstat.btime
2021-07-01 11:06:06 -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
hugetlbfs: fix mount mode command line processing
2021-07-23 17:43:28 -07:00
iomap
iomap: Don't create iomap_page objects in iomap_page_mkwrite_actor
2021-07-15 09:58:06 -07:00
isofs
isofs: remove redundant continue statement
2021-06-17 17:11:42 +02:00
jbd2
ext4: inline jbd2_journal_[un]register_shrinker()
2021-07-08 08:37:31 -04:00
jffs2
This pull request contains changes for JFFS2, UBI and UBIFS
2021-05-04 18:08:40 -07:00
jfs
JFS fixes for 5.14
2021-07-02 14:25:17 -07:00
kernfs
Driver core changes for 5.14-rc1
2021-07-05 13:51:41 -07:00
lockd
lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream
2021-07-06 20:14:44 -04:00
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
NFS client updates for Linux 5.14
2021-07-09 09:43:57 -07:00
nfs_common
nfs_common: fix doc warning
2021-07-06 20:14:41 -04:00
nfsd
block-5.14-2021-07-08
2021-07-09 12:05:33 -07:00
nilfs2
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
nls
…
notify
ucounts: add missing data type changes
2021-08-09 15:45:02 -05:00
ntfs
Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:30:04 -07:00
ocfs2
ocfs2: issue zeroout to EOF blocks
2021-07-30 10:14:39 -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: fix orangefs df output.
2021-06-28 08:40:08 -04:00
overlayfs
ovl: fix uninitialized pointer read in ovl_lookup_real_one()
2021-08-10 10:21:30 +02:00
proc
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:41:14 -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
reiserfs: check directory items on read from disk
2021-07-16 12:36:51 +02:00
romfs
…
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
ubifs: Set/Clear I_LINKABLE under i_lock for whiteout inode
2021-06-22 09:21:39 +02:00
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: Add support for the atomic_open directory-inode op
2021-06-23 14:36:52 +02:00
verity
fsverity: relax build time dependency on CRYPTO_SHA256
2021-04-22 17:31:32 +10:00
xfs
Fixes for 5.14-rc4:
2021-08-01 12:07:23 -07:00
zonefs
zonefs: remove redundant null bio check
2021-07-16 13:45:18 +09:00
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_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
block-5.14-2021-07-30
2021-07-30 11:08:12 -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
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:41:14 -07:00
d_path.c
getcwd(2): clean up error handling
2021-05-18 20:15:58 -04:00
dax.c
Merge branch 'for-5.14/dax' into libnvdimm-fixes
2021-08-11 12:04:43 -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
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
fcntl.c
fcntl: Fix unreachable code in do_fcntl()
2021-07-12 11:09:13 -05:00
fhandle.c
switch file_open_root() to struct path
2021-04-07 13:56:43 -04:00
file_table.c
…
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: add vfs_parse_fs_param_source() helper
2021-07-14 09:19:06 -07:00
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
writeback, cgroup: do not reparent dax inodes
2021-07-23 17:43:28 -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
cgroup1: fix leaked context root causing sporadic NULL deref in LTP
2021-07-21 06:39:20 -10:00
io_uring.c
io_uring: ensure IORING_REGISTER_IOWQ_MAX_WORKERS works with SQPOLL
2021-09-03 06:16:11 -06:00
io-wq.c
io-wq: make worker creation resilient against signals
2021-09-02 11:12:19 -06:00
io-wq.h
io-wq: provide a way to limit max number of workers
2021-08-29 07:55:55 -06:00
ioctl.c
vfs: add fileattr ops
2021-04-12 15:04:23 +02:00
Kconfig
mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
2021-06-30 20:47:26 -07:00
Kconfig.binfmt
binfmt: remove support for em86 (alpha only)
2021-07-25 22:33:03 -07:00
kernel_read_file.c
switch file_open_root() to struct path
2021-04-07 13:56:43 -04:00
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
binfmt: remove support for em86 (alpha only)
2021-07-25 22:33:03 -07:00
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
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:41:14 -07:00
namespace.c
File locking change for v5.14
2021-08-21 10:50:22 -07:00
no-block.c
…
nsfs.c
…
open.c
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-07-03 11:41:14 -07:00
pipe.c
pipe: avoid unnecessary EPOLLET wakeups under normal loads
2021-08-18 11:39:46 -07:00
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: disallow extremely large seq buffer allocations
2021-07-19 17:18:48 -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
userfaultfd: do not untag user pointers
2021-07-23 17:43:28 -07:00
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