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75a037f3604ceb781ae23167e0cdfbe5d71533d7
linux/fs
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Jaegeuk Kim 75a037f360 f2fs: fix livelock in swapfile writes 
This patch fixes livelock in the below call path when writing swap pages.

[46374.617256] c2    701  __switch_to+0xe4/0x100
[46374.617265] c2    701  __schedule+0x80c/0xbc4
[46374.617273] c2    701  schedule+0x74/0x98
[46374.617281] c2    701  rwsem_down_read_failed+0x190/0x234
[46374.617291] c2    701  down_read+0x58/0x5c
[46374.617300] c2    701  f2fs_map_blocks+0x138/0x9a8
[46374.617310] c2    701  get_data_block_dio_write+0x74/0x104
[46374.617320] c2    701  __blockdev_direct_IO+0x1350/0x3930
[46374.617331] c2    701  f2fs_direct_IO+0x55c/0x8bc
[46374.617341] c2    701  __swap_writepage+0x1d0/0x3e8
[46374.617351] c2    701  swap_writepage+0x44/0x54
[46374.617360] c2    701  shrink_page_list+0x140/0xe80
[46374.617371] c2    701  shrink_inactive_list+0x510/0x918
[46374.617381] c2    701  shrink_node_memcg+0x2d4/0x804
[46374.617391] c2    701  shrink_node+0x10c/0x2f8
[46374.617400] c2    701  do_try_to_free_pages+0x178/0x38c
[46374.617410] c2    701  try_to_free_pages+0x348/0x4b8
[46374.617419] c2    701  __alloc_pages_nodemask+0x7f8/0x1014
[46374.617429] c2    701  pagecache_get_page+0x184/0x2cc
[46374.617438] c2    701  f2fs_new_node_page+0x60/0x41c
[46374.617449] c2    701  f2fs_new_inode_page+0x50/0x7c
[46374.617460] c2    701  f2fs_init_inode_metadata+0x128/0x530
[46374.617472] c2    701  f2fs_add_inline_entry+0x138/0xd64
[46374.617480] c2    701  f2fs_do_add_link+0xf4/0x178
[46374.617488] c2    701  f2fs_create+0x1e4/0x3ac
[46374.617497] c2    701  path_openat+0xdc0/0x1308
[46374.617507] c2    701  do_filp_open+0x78/0x124
[46374.617516] c2    701  do_sys_open+0x134/0x248
[46374.617525] c2    701  SyS_openat+0x14/0x20

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2019-08-16 14:03:52 -07:00
..
9p
9p: pass the correct prototype to read_cache_page
2019-07-12 11:05:43 -07:00
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
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
afs
afs: Fix missing dentry data version updating
2019-07-30 14:38:52 +01:00
autofs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 83
2019-05-24 17:37:52 +02:00
befs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
bfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
btrfs
Merge tag 'for-5.3-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2019-08-02 14:19:41 -07:00
cachefiles
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
ceph
Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-20 09:15:51 -07:00
cifs
SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL
2019-08-05 22:50:38 -05:00
coda
coda: add hinting support for partial file caching
2019-07-16 19:23:23 -07:00
configfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
cramfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
crypto
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
debugfs
Merge tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-07-12 12:24:03 -07:00
devpts
devpts: call fsnotify_unlink() hook
2019-06-20 14:46:34 +02:00
dlm
Merge tag 'dlm-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
2019-07-12 17:37:53 -07:00
ecryptfs
Merge tag 'ecryptfs-5.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
2019-07-14 19:29:04 -07:00
efivarfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
efs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
exportfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
ext2
Merge tag 'vfs-fix-ioctl-checking-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2019-07-12 16:54:37 -07:00
ext4
Merge tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2019-07-18 10:52:08 -07:00
f2fs
f2fs: fix livelock in swapfile writes
2019-08-16 14:03:52 -07:00
fat
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
freevxfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
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
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
gfs2
gfs2: gfs2_walk_metadata fix
2019-08-09 16:56:12 +01:00
hfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
hfsplus
fs/hfsplus/xattr.c: replace strncpy with memcpy
2019-07-16 19:23:23 -07:00
hostfs
Merge tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml
2019-05-12 17:52:13 -04:00
hpfs
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
hugetlbfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
iomap
iomap: fix Invalid License ID
2019-07-25 11:05:11 +02:00
isofs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 142
2019-05-30 11:25:17 -07:00
jbd2
jbd2: drop declaration of journal_sync_buffer()
2019-06-20 17:32:21 -04:00
jffs2
jffs2: pass the correct prototype to read_cache_page
2019-07-12 11:05:43 -07:00
jfs
vfs: create a generic checking and prep function for FS_IOC_SETFLAGS
2019-07-01 08:25:34 -07:00
kernfs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
lockd
lockd: Make two symbols static
2019-07-03 17:52:09 -04:00
minix
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
nfs
NFSv4: Ensure state recovery handles ETIMEDOUT correctly
2019-08-07 12:55:11 -04:00
nfs_common
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
nfsd
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
nilfs2
vfs: create a generic checking and prep function for FS_IOC_SETFLAGS
2019-07-01 08:25:34 -07:00
nls
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
notify
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
ntfs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 97
2019-05-24 17:37:53 +02:00
ocfs2
ocfs2: remove set but not used variable 'last_hash'
2019-08-03 07:02:00 -07:00
omfs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209
2019-05-30 11:29:53 -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
Merge tag 'for-linus-5.3-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
2019-07-16 15:15:29 -07:00
overlayfs
Merge tag 'spdx-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
2019-06-21 09:58:42 -07:00
proc
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
pstore
pstore: Fix double-free in pstore_mkfile() failure path
2019-07-08 21:04:42 -07:00
qnx4
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
qnx6
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
quota
Merge tag 'for_v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2019-07-10 20:27:07 -07:00
ramfs
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
reiserfs
fs/reiserfs/journal.c: change return type of dirty_one_transaction
2019-07-16 19:23:24 -07:00
romfs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
squashfs
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499
2019-06-19 17:09:53 +02:00
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
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
tracefs
Merge tag 'fsnotify_for_v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2019-07-10 20:09:17 -07:00
ubifs
mm: migrate: remove unused mode argument
2019-07-18 17:08:07 -07:00
udf
Merge tag 'for_v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2019-07-10 20:27:07 -07:00
ufs
fs/ufs/super.c: remove set but not used variable 'usb3'
2019-07-16 19:23:23 -07:00
unicode
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2019-07-10 21:06:01 -07:00
xfs
xfs: don't crash on null attr fork xfs_bmapi_read
2019-08-12 09:32:44 -07:00
aio.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
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
…
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_fdpic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
binfmt_elf.c
fs/binfmt_elf.c: delete stale comment
2019-07-16 19:23:22 -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
fs/binfmt_flat.c: remove set but not used variable 'inode'
2019-07-16 19:23:22 -07:00
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: Fixup error handling in blkdev_get()
2019-08-08 07:37:03 -06:00
buffer.c
Merge tag 'for-linus-20190715' of git://git.kernel.dk/linux-block
2019-07-15 21:20:52 -07:00
char_dev.c
chardev: set variable ret to -EBUSY before checking minor range overlap
2019-05-24 20:50:36 +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
compat_ioctl: pppoe: fix PPPOEIOCSFWD handling
2019-07-30 14:42:13 -07:00
compat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
coredump.c
coredump: split pipe command whitespace before expanding template
2019-08-03 07:02:01 -07:00
d_path.c
unexport simple_dname()
2019-05-21 08:23:41 +01:00
dax.c
dax: dax_layout_busy_page() should not unmap cow pages
2019-08-05 14:59:05 -07:00
dcache.c
Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-20 09:15:51 -07:00
dcookies.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
direct-io.c
direct-io: use bio_release_pages in dio_bio_complete
2019-06-29 09:47:31 -06:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-02-01 15:46:24 -08:00
eventfd.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
eventpoll.c
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
exec.c
sched/fair: Don't free p->numa_faults with concurrent readers
2019-07-25 15:37:04 +02:00
fcntl.c
fs: mark expected switch fall-throughs
2019-04-08 18:21:02 -05:00
fhandle.c
…
file_table.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
file.c
Merge tag 'io_uring-2019-03-06' of git://git.kernel.dk/linux-block
2019-03-08 14:48:40 -08:00
filesystems.c
vfs: Implement a filesystem superblock creation/configuration context
2019-02-28 03:29:26 -05:00
fs_context.c
move mount_capable() calls to vfs_get_tree()
2019-05-25 18:00:01 -04:00
fs_parser.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
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
fs: common implementation of file type
2019-01-21 17:48:13 +01:00
fs-writeback.c
blkcg, writeback: Add wbc->no_cgroup_owner
2019-07-10 09:00:57 -06:00
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
Merge tag 'vfs-fix-ioctl-checking-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2019-07-12 16:54:37 -07:00
internal.h
Merge branch 'work.dcache2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-20 09:15:51 -07:00
io_uring.c
io_uring: fix KASAN use after free in io_sq_wq_submit_work
2019-07-31 08:45:10 -06:00
ioctl.c
…
Kconfig
fs: VALIDATE_FS_PARSER should default to n
2019-07-05 11:22:11 -04:00
Kconfig.binfmt
binfmt_flat: make support for old format binaries optional
2019-06-24 09:16:47 +10:00
libfs.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
locks.c
Merge tag 'nfsd-5.3' of git://linux-nfs.org/~bfields/linux
2019-07-10 21:22:43 -07:00
Makefile
iomap: move the main iteration code into a separate file
2019-07-17 07:20:43 -07:00
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
blkcg, writeback: Rename wbc_account_io() to wbc_account_cgroup_owner()
2019-07-10 09:00:57 -06:00
namei.c
fsnotify: add empty fsnotify_{unlink,rmdir}() hooks
2019-06-20 14:44:55 +02:00
namespace.c
fix the struct mount leak in umount_tree()
2019-07-26 07:59:06 -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
access: avoid the RCU grace period for the temporary subjective credentials
2019-07-24 10:12:09 -07:00
pipe.c
vfs: Convert pipe to use the new mount API
2019-05-25 18:00:07 -04:00
pnode.c
fs/namespace: fix unprivileged mount propagation
2019-06-17 17:36:09 -04:00
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
…
read_write.c
vfs: allow copy_file_range to copy across devices
2019-06-09 10:06:20 -07:00
readdir.c
…
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: mark expected switch fall-throughs
2019-04-08 18:21:02 -05:00
splice.c
uio: make import_iovec()/compat_import_iovec() return bytes on success
2019-05-31 15:30:03 -06:00
stack.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
stat.c
fs: move generic stat response attr handling to vfs_getattr_nosec
2019-02-01 01:55:45 -05:00
statfs.c
vfs: add vfs_get_fsid() helper
2019-02-07 16:38:35 +01:00
super.c
Unbreak mount_capable()
2019-07-31 12:22:32 -04:00
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
y2038: syscalls: rename y2038 compat syscalls
2019-02-07 00:13:27 +01:00
userfaultfd.c
fs/userfaultfd.c: disable irqs for fault_pending and event locks
2019-07-05 11:12:07 +09:00
utimes.c
y2038: syscalls: rename y2038 compat syscalls
2019-02-07 00:13:27 +01:00
xattr.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00