NeilBrown 0588b8a034 NFS: switch nfsiod to be an UNBOUND workqueue. ... [ Upstream commit bf701b765e ] nfsiod is currently a concurrency-managed workqueue (CMWQ). This means that workitems scheduled to nfsiod on a given CPU are queued behind all other work items queued on any CMWQ on the same CPU. This can introduce unexpected latency. Occaionally nfsiod can even cause excessive latency. If the work item to complete a CLOSE request calls the final iput() on an inode, the address_space of that inode will be dismantled. This takes time proportional to the number of in-memory pages, which on a large host working on large files (e.g.. 5TB), can be a large number of pages resulting in a noticable number of seconds. We can avoid these latency problems by switching nfsiod to WQ_UNBOUND. This causes each concurrent work item to gets a dedicated thread which can be scheduled to an idle CPU. There is precedent for this as several other filesystems use WQ_UNBOUND workqueue for handling various async events. Signed-off-by: NeilBrown <neilb@suse.de> Fixes: ada609ee2a ("workqueue: use WQ_MEM_RECLAIM instead of WQ_RESCUER") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2020-12-30 11:51:16 +01:00
..
9p	9P: Cast to loff_t before multiplying	2020-11-05 11:43:34 +01:00
adfs	Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 11:33:22 -07:00
affs	affs: fix basic permission bits to actually work	2020-09-09 19:12:34 +02:00
afs	afs: Fix memory leak when mounting with multiple source parameters	2020-12-30 11:50:54 +01:00
autofs	autofs: fix a leak in autofs_expire_indirect()	2019-10-25 00:03:11 -04:00
befs	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
bfs	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
btrfs	btrfs: fix lockdep splat when reading qgroup config on mount	2020-12-02 08:49:45 +01:00
cachefiles	cachefiles: Handle readpage error correctly	2020-11-05 11:43:36 +01:00
ceph	ceph: promote to unsigned long long before shifting	2020-11-05 11:43:34 +01:00
cifs	cifs: fix potential use-after-free in cifs_echo_request()	2020-12-11 13:23:29 +01:00
coda	y2038: add inode timestamp clamping	2019-09-19 09:42:37 -07:00
configfs	configfs: fix config_item refcnt leak in configfs_rmdir()	2020-05-27 17:46:30 +02:00
cramfs	cramfs: fix usage on non-MTD device	2019-11-23 21:44:49 -05:00
crypto	fscrypt: don't evict dirty inodes after removing key	2020-03-18 07:17:53 +01:00
debugfs	debugfs: Fix module state check condition	2020-09-17 13:47:55 +02:00
devpts	devpts_pty_kill(): don't bother with d_delete()	2019-09-03 09:30:56 -04:00
dlm	fs: dlm: fix configfs memory leak	2020-10-29 09:58:03 +01:00
ecryptfs	ecryptfs: replace BUG_ON with error handling code	2020-02-28 17:22:26 +01:00
efivarfs	efivarfs: revert "fix memory leak in efivarfs_create()"	2020-12-02 08:49:53 +01:00
efs	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
erofs	erofs: derive atime instead of leaving it empty	2020-11-18 19:20:28 +01:00
exportfs	exportfs_decode_fh(): negative pinned may become positive without the parent locked	2019-11-10 11:56:05 -05:00
ext2	ext2: don't update mtime on COW faults	2020-09-09 19:12:30 +02:00
ext4	ext4: fix bogus warning in ext4_update_dx_flag()	2020-11-24 13:29:21 +01:00
f2fs	f2fs: call f2fs_get_meta_page_retry for nat page	2020-12-30 11:51:04 +01:00
fat	fat: don't allow to mount if the FAT length == 0	2020-06-17 16:40:36 +02:00
freevxfs	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
fscache	Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"	2019-07-10 18:43:43 -07:00
fuse	fuse: fix page dereference after free	2020-11-01 12:01:05 +01:00
gfs2	gfs2: check for empty rgrp tree in gfs2_ri_update	2020-12-11 13:23:32 +01:00
hfs	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
hfsplus	hfsplus: fix crash and filesystem corruption when deleting files	2020-04-17 10:50:22 +02:00
hostfs	This pull request contains the following changes for UML:	2019-05-12 17:52:13 -04:00
hpfs	fs: hpfs: Initialize filesystem timestamp ranges	2019-08-30 08:11:25 -07:00
hugetlbfs	hugetlbfs: prevent filesystem stacking of hugetlbfs	2020-09-03 11:26:48 +02:00
iomap	iomap: fix WARN_ON_ONCE() from unprivileged users	2020-10-29 09:58:06 +01:00
isofs	y2038: add inode timestamp clamping	2019-09-19 09:42:37 -07:00
jbd2	jbd2: fix up sparse warnings in checkpoint code	2020-11-18 19:20:30 +01:00
jffs2	jffs2: fix UAF problem	2020-08-26 10:40:56 +02:00
jfs	y2038: add inode timestamp clamping	2019-09-19 09:42:37 -07:00
kernfs	kernfs: do not call fsnotify() with name without a parent	2020-08-19 08:16:12 +02:00
lockd	lockd: don't use interval-based rebinding over TCP	2020-12-30 11:51:16 +01:00
minix	fs/minix: remove expected error message in block_to_path()	2020-08-21 13:05:37 +02:00
nfs	NFS: switch nfsiod to be an UNBOUND workqueue.	2020-12-30 11:51:16 +01:00
nfs_common	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
nfsd	NFSD: Add missing NFSv2 .pc_func methods	2020-11-05 11:43:31 +01:00
nilfs2	nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()	2020-06-17 16:40:29 +02:00
nls	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
notify	fanotify: fix ignore mask logic for events on child and on dir	2020-06-17 16:40:24 +02:00
ntfs	ntfs: add check for mft record size in superblock	2020-10-29 09:58:03 +01:00
ocfs2	ocfs2: initialize ip_next_orphan	2020-11-18 19:20:30 +01:00
omfs	fs: omfs: Initialize filesystem timestamp ranges	2019-08-30 08:11:25 -07:00
openpromfs	Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 10:42:02 -07:00
orangefs	orangefs: get rid of knob code...	2020-08-21 13:05:29 +02:00
overlayfs	ovl: fix unneeded call to ovl_change_flags()	2020-07-22 09:33:12 +02:00
proc	proc: use untagged_addr() for pagemap_read addresses	2020-12-16 10:56:58 +01:00
pstore	pstore: Fix linking when crypto API disabled	2020-08-19 08:16:27 +02:00
qnx4	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
qnx6	fs: Fill in max and min timestamps in superblock	2019-08-30 07:27:17 -07:00
quota	quota: Sanity-check quota file headers on load	2020-12-30 11:51:00 +01:00
ramfs	ramfs: fix nommu mmap with gaps in the page cache	2020-10-29 09:57:53 +01:00
reiserfs	reiserfs: Fix memory leak in reiserfs_parse_options()	2020-10-29 09:58:08 +01:00
romfs	romfs: fix uninitialized memory leak in romfs_dev_read()	2020-08-26 10:40:51 +02:00
squashfs	Merge branch 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-09-19 10:06:57 -07:00
sysfs	Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 10:42:02 -07:00
sysv	fs: sysv: Initialize filesystem timestamp ranges	2019-08-30 07:27:18 -07:00
tracefs	tracing: Do not create tracefs files if tracefs lockdown is in effect	2019-10-12 20:49:07 -04:00
ubifs	ubifs: mount_ubifs: Release authentication resource in error handling path	2020-11-05 11:43:32 +01:00
udf	udf: Fix memory leak when mounting	2020-11-05 11:43:29 +01:00
ufs	fs/ufs: avoid potential u32 multiplication overflow	2020-08-21 13:05:37 +02:00
unicode	unicode: make array 'token' static const, makes object smaller	2019-09-17 11:48:24 -04:00
verity	fs-verity: support builtin file signatures	2019-08-12 19:33:50 -07:00
xfs	xfs: revert "xfs: fix rmap key and record comparison functions"	2020-11-24 13:29:18 +01:00
Kconfig	fs-verity for 5.4	2019-09-18 16:59:14 -07:00
Kconfig.binfmt	binfmt_flat: make support for old format binaries optional	2019-06-24 09:16:47 +10:00
Makefile	fs-verity for 5.4	2019-09-18 16:59:14 -07:00
aio.c	aio: fix async fsync creds	2020-06-17 16:40:24 +02:00
anon_inodes.c	Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 10:42:02 -07:00
attr.c	utimes: Clamp the timestamps in notify_change()	2020-02-11 04:35:12 -08:00
bad_inode.c	…
binfmt_aout.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
binfmt_elf.c	fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()	2020-06-03 08:21:27 +02:00
binfmt_elf_fdpic.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
binfmt_em86.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
binfmt_flat.c	binfmt_flat: revert "binfmt_flat: don't offset the data start"	2020-09-03 11:26:39 +02:00
binfmt_misc.c	Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 10:42:02 -07:00
binfmt_script.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
block_dev.c	bdev: Reduce time holding bd_mutex in sync in blkdev_close()	2020-10-01 13:17:55 +02:00
buffer.c	fs: Don't invalidate page buffers in block_write_full_page()	2020-11-05 11:43:24 +01:00
char_dev.c	chardev: Avoid potential use-after-free in 'chrdev_open()'	2020-01-14 20:08:18 +01:00
compat.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500	2019-06-19 17:09:55 +02:00
compat_binfmt_elf.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193	2019-05-30 11:29:21 -07:00
compat_ioctl.c	fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP	2020-01-09 10:20:05 +01:00
coredump.c	coredump: fix core_pattern parse error	2020-12-11 13:23:30 +01:00
d_path.c	fs: fix NULL dereference due to data race in prepend_path()	2020-10-29 09:57:45 +01:00
dax.c	dax: pass NOWAIT flag to iomap_apply	2020-03-05 16:43:36 +01:00
dcache.c	fix dget_parent() fastpath race	2020-10-01 13:17:19 +02:00
dcookies.c	treewide: Add SPDX license identifier for missed files	2019-05-21 10:50:45 +02:00
direct-io.c	fs/direct-io.c: fix kernel-doc warning	2019-10-14 15:04:01 -07:00
drop_caches.c	fs: avoid softlockups in s_inodes iterators	2020-01-12 12:21:37 +01:00
eventfd.c	eventfd: track eventfd_signal() recursion depth	2020-02-11 04:35:37 -08:00
eventpoll.c	ep_create_wakeup_source(): dentry name can change under you...	2020-10-07 08:01:31 +02:00
exec.c	mm: fix exec activate_mm vs TLB shootdown and lazy tlb switching race	2020-11-05 11:43:13 +01:00
fcntl.c	…
fhandle.c	fs/handle.c - fix up kerneldoc	2019-08-07 21:51:47 -04:00
file.c	fix multiplication overflow in copy_fdtable()	2020-05-27 17:46:12 +02:00
file_table.c	vfs: Export flush_delayed_fput for use by knfsd.	2019-08-19 11:00:39 -04:00
filesystems.c	fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()	2020-04-17 10:50:21 +02:00
fs-writeback.c	writeback: Fix sync livelock due to b_dirty_time processing	2020-09-03 11:27:04 +02:00
fs_context.c	vfs: subtype handling moved to fuse	2019-09-06 21:28:49 +02:00
fs_parser.c	vfs: Make fs_parse() handle fs_param_is_fd-type params better	2019-09-12 21:06:14 -04:00
fs_pin.c	switch the remnants of releasing the mountpoint away from fs_pin	2019-07-16 22:52:37 -04:00
fs_struct.c	treewide: Add SPDX license identifier for missed files	2019-05-21 10:50:45 +02:00
fs_types.c	…
fsopen.c	Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2019-07-19 10:42:02 -07:00
inode.c	futex: Fix inode life-time issue	2020-03-25 08:25:58 +01:00
internal.h	fs: move guard_bio_eod() after bio_set_op_attrs	2020-01-17 19:48:21 +01:00
io_uring.c	io_uring: Fix double list add in io_queue_async_work()	2020-10-14 10:32:57 +02:00
ioctl.c	compat_ioctl: add compat_ptr_ioctl()	2019-12-17 19:55:30 +01:00
libfs.c	libfs: fix error cast of negative value in simple_attr_write()	2020-11-24 13:29:19 +01:00
locks.c	locks: reinstate locks_delete_block optimization	2020-03-25 08:25:41 +01:00
mbcache.c	treewide: Add SPDX license identifier for more missed files	2019-05-21 10:50:45 +02:00
mount.h	switch the remnants of releasing the mountpoint away from fs_pin	2019-07-16 22:52:37 -04:00
mpage.c	fs: move guard_bio_eod() after bio_set_op_attrs	2020-01-17 19:48:21 +01:00
namei.c	namei: only return -ECHILD from follow_dotdot_rcu()	2020-03-05 16:43:48 +01:00
namespace.c	fs/namespace.c: fix use-after-free of mount in mnt_warn_timestamp_expiry()	2019-10-16 23:15:09 -04:00
no-block.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
nsfs.c	vfs: Convert nsfs to use the new mount API	2019-05-25 18:00:06 -04:00
open.c	cifs_atomic_open(): fix double-put on late allocation failure	2020-03-18 07:17:51 +01:00
pipe.c	vfs: Convert pipe to use the new mount API	2019-05-25 18:00:07 -04:00
pnode.c	propagate_one(): mnt_set_mountpoint() needs mount_lock	2020-05-02 08:48:44 +02:00
pnode.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209	2019-05-30 11:29:53 -07:00
posix_acl.c	treewide: Add SPDX license identifier for missed files	2019-05-21 10:50:45 +02:00
proc_namespace.c	vfs: subtype handling moved to fuse	2019-09-06 21:28:49 +02:00
read_write.c	fs: allow deduplication of eof block into the end of the destination file	2020-02-11 04:35:23 -08:00
readdir.c	readdir: be more conservative with directory entry names	2020-01-29 16:45:31 +01:00
select.c	fs/select.c: use struct_size() in kmalloc()	2019-07-16 19:23:25 -07:00
seq_file.c	seq_file: fix problem when seeking mid-record	2019-08-13 16:06:52 -07:00
signalfd.c	fs/signalfd.c: fix inconsistent return codes for signalfd4	2020-08-26 10:40:58 +02:00
splice.c	splice: only read in as much information as there is pipe buffer space	2019-12-17 19:56:52 +01:00
stack.c	treewide: Add SPDX license identifier for missed files	2019-05-21 10:50:45 +02:00
stat.c	…
statfs.c	vfs: Fix EOVERFLOW testing in put_compat_statfs64	2019-10-03 14:21:35 -07:00
super.c	vfs: remove lockdep bogosity in __sb_start_write	2020-11-24 13:29:01 +01:00
sync.c	fs/sync.c: sync_file_range(2) may use WB_SYNC_ALL writeback	2019-05-14 09:47:50 -07:00
timerfd.c	timerfd: Prepare for PREEMPT_RT	2019-08-01 20:51:23 +02:00
userfaultfd.c	userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK	2020-01-04 19:18:32 +01:00
utimes.c	utimes: Clamp the timestamps in notify_change()	2020-02-11 04:35:12 -08:00
xattr.c	xattr: break delegations in {set,remove}xattr	2020-08-11 15:33:39 +02:00