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Vratislav Bendel 00eab7654b xfs: Correctly invert xfs_buftarg LRU isolation logic 
commit 19957a181608d25c8f4136652d0ea00b3738972d upstream.

Due to an inverted logic mistake in xfs_buftarg_isolate()
the xfs_buffers with zero b_lru_ref will take another trip
around LRU, while isolating buffers with non-zero b_lru_ref.

Additionally those isolated buffers end up right back on the LRU
once they are released, because b_lru_ref remains elevated.

Fix that circuitous route by leaving them on the LRU
as originally intended.

Signed-off-by: Vratislav Bendel <vbendel@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Alex Lyakas <alex@zadara.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-06 12:18:27 +01:00
..
9p
9p: avoid attaching writeback_fid on mmap with type PRIVATE
2019-10-17 13:42:10 -07:00
adfs
fs/adfs: super: fix use-after-free bug
2019-08-06 18:29:35 +02:00
affs
affs_lookup(): close a race with affs_remove_link()
2018-05-30 07:50:16 +02:00
afs
afs: Fix abort on signal while waiting for call completion
2017-12-20 10:07:25 +01:00
autofs4
autofs: fix error return in autofs_fill_super()
2019-03-13 14:04:58 -07:00
befs
befs fixes for 4.9-rc1
2016-10-15 12:09:13 -07:00
bfs
bfs: add sanity check at bfs_fill_super()
2018-12-01 09:44:19 +01:00
btrfs
btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group()
2019-10-29 09:15:25 +01:00
cachefiles
fscache, cachefiles: remove redundant variable 'cache'
2018-12-17 09:38:34 +01:00
ceph
ceph: reconnect connection if session hang in opening state
2019-10-17 13:42:11 -07:00
cifs
fs: cifs: mute -Wunused-const-variable message
2019-11-06 12:18:08 +01:00
coda
coda: add error handling for fget
2019-08-06 18:29:38 +02:00
configfs
configfs: Fix use-after-free when accessing sd->s_dentry
2019-06-22 08:17:23 +02:00
cramfs
Cramfs: fix abad comparison when wrap-arounds occur
2018-11-13 11:17:03 -08:00
crypto
fscrypt: don't set policy for a dead directory
2019-07-21 09:05:59 +02:00
debugfs
debugfs: fix use-after-free on symlink traversal
2019-05-08 07:19:10 +02:00
devpts
fs/devpts: always delete dcache dentry-s in dput()
2019-03-23 13:19:47 +01:00
dlm
dlm: Don't swamp the CPU with callbacks queued during recovery
2019-02-12 19:44:51 +01:00
ecryptfs
eCryptfs: fix a couple type promotion bugs
2019-08-04 09:33:31 +02:00
efivarfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efs
…
exofs
fs/exofs: fix potential memory leak in mount option parsing
2018-11-27 16:09:38 +01:00
exportfs
exportfs: do not read dentry after free
2018-12-17 09:38:33 +01:00
ext2
ext2: Fix underflow in ext2_max_size()
2019-03-23 13:19:48 +01:00
ext4
ext4: fix punch hole for inline_data file systems
2019-10-05 12:30:35 +02:00
f2fs
f2fs: fix to do sanity check on segment bitmap of LFS curseg
2019-10-05 12:30:11 +02:00
fat
fat: work around race with userspace's read via blockdev while mounting
2019-10-07 18:53:18 +02:00
freevxfs
…
fscache
fscache: fix race between enablement and dropping of object
2018-12-17 09:38:34 +01:00
fuse
fuse: truncate pending writes on O_TRUNC
2019-11-06 12:18:15 +01:00
gfs2
gfs2: Fix lru_count going negative
2019-05-31 06:48:13 -07:00
hfs
hfs: do not free node before using
2018-12-17 09:38:35 +01:00
hfsplus
hfsplus: do not free node before using
2018-12-17 09:38:35 +01:00
hostfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hugetlbfs
hugetlb: use same fault hash key for shared and private mappings
2019-05-31 06:48:12 -07:00
isofs
isofs: fix timestamps beyond 2027
2017-11-30 08:39:04 +00:00
jbd2
jbd2: check superblock mapped prior to committing
2019-05-21 18:48:59 +02:00
jffs2
jffs2: fix use-after-free on symlink traversal
2019-05-08 07:19:09 +02:00
jfs
jfs: Fix inconsistency between memory allocation and ea_buf->max_size
2018-08-09 12:18:00 +02:00
kernfs
kernfs: Replace strncpy with memcpy
2018-12-08 13:05:05 +01:00
lockd
lockd: fix access beyond unterminated strings in prints
2018-11-13 11:17:02 -08:00
logfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ncpfs
ncpfs: fix build warning of strncpy
2019-03-13 14:04:52 -07:00
nfs
NFSv4: Fix leak of clp->cl_acceptor string
2019-11-06 12:18:12 +01:00
nfs_common
lockd: fix "list_add double add" caused by legacy signal interface
2018-02-03 17:05:38 +01:00
nfsd
nfsd: Fix overflow causing non-working mounts on 1 TB machines
2019-08-04 09:33:36 +02:00
nilfs2
do d_instantiate/unlock_new_inode combinations safely
2018-05-30 07:50:16 +02:00
nls
…
notify
fanotify: fix handling of events on child sub-directory
2019-02-06 17:33:30 +01:00
ntfs
fs: remove the never implemented aio_fsync file operation
2016-10-30 13:09:42 -04:00
ocfs2
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc()
2019-11-06 12:18:11 +01:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
openpromfs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
orangefs
orangefs: off by ones in xattr size checks
2018-11-10 07:42:46 -08:00
overlayfs
ovl: filter of trusted xattr results in audit
2019-10-05 12:30:34 +02:00
proc
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
2019-08-06 18:29:41 +02:00
pstore
pstore/ram: Do not treat empty buffers as valid
2019-01-26 09:38:33 +01:00
qnx4
…
qnx6
…
quota
fs/quota: Fix spectre gadget in do_quotactl
2018-09-09 20:01:26 +02:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
reiserfs
reiserfs: propagate errors from fill_with_dentries() properly
2018-11-27 16:09:38 +01:00
romfs
romfs: use different way to generate fsid for BLOCK or MTD
2017-06-17 06:41:56 +02:00
squashfs
Squashfs: Compute expected length from inode size rather than block length
2018-09-05 09:20:03 +02:00
sysfs
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
2018-09-05 09:20:10 +02:00
sysv
sysv: return 'err' instead of 0 in __sysv_write_inode
2018-12-17 09:38:32 +01:00
tracefs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
ubifs
ubifs: Handle re-linking of inodes correctly while recovery
2018-12-29 13:40:16 +01:00
udf
udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
2019-07-21 09:05:57 +02:00
ufs
ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour
2019-05-25 18:26:56 +02:00
xfs
xfs: Correctly invert xfs_buftarg LRU isolation logic
2019-11-06 12:18:27 +01:00
aio.c
aio: fix spectre gadget in lookup_ioctx
2018-12-21 14:11:31 +01:00
anon_inodes.c
…
attr.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
bad_inode.c
bad_inode: add missing i_op initializers
2017-01-09 08:32:24 +01:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
binfmt_elf: Respect error return from `regset->active'
2018-09-26 08:36:37 +02:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make load_flat_shared_library() work
2019-07-10 09:55:38 +02:00
binfmt_misc.c
fs/binfmt_misc.c: do not allow offset overflow
2018-06-26 08:08:09 +08:00
binfmt_script.c
exec: load_script: Do not exec truncated interpreter path
2019-11-06 12:18:04 +01:00
block_dev.c
blockdev: Fix livelocks on loop device
2019-01-23 08:10:56 +01:00
buffer.c
fs: fix guard_bio_eod to check for real EOD errors
2019-04-05 22:29:08 +02:00
char_dev.c
chardev: add additional check for minor range overlap
2019-05-31 06:48:29 -07:00
compat_binfmt_elf.c
binfmt_elf: compat: avoid unused function warning
2018-02-25 11:05:55 +01:00
compat_ioctl.c
compat_ioctl: pppoe: fix PPPOEIOCSFWD handling
2019-08-11 12:22:17 +02:00
compat.c
compat: remove compat_printk()
2016-09-27 21:20:53 -04:00
coredump.c
coredump: Ensure proper size of sparse core files
2017-07-05 14:40:26 +02:00
dax.c
fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
2018-02-28 10:18:33 +01:00
dcache.c
Hang/soft lockup in d_invalidate with simultaneous calls
2019-03-27 14:13:04 +09:00
dcookies.c
…
direct-io.c
direct-io: allow direct writes to empty inodes
2019-03-05 17:57:05 +01:00
drop_caches.c
fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
2019-03-13 14:04:58 -07:00
eventfd.c
…
eventpoll.c
fs/epoll: drop ovflist branch prediction
2019-02-12 19:44:59 +01:00
exec.c
sched/fair: Don't free p->numa_faults with concurrent readers
2019-08-04 09:33:45 +02:00
fcntl.c
fs/fcntl: f_setown, avoid undefined behaviour
2018-01-31 12:55:52 +01:00
fhandle.c
…
file_table.c
…
file.c
fs/file.c: initialize init_files.resize_wait
2019-04-05 22:29:07 +02:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration
2019-08-04 09:33:20 +02:00
inode.c
Abort file_remove_privs() for non-reg. files
2019-06-22 08:17:24 +02:00
internal.h
xfs: evict all inodes involved with log redo item
2017-09-20 08:20:01 +02:00
ioctl.c
vfs: cap dedupe request structure size at PAGE_SIZE
2016-09-15 13:29:52 -07:00
iomap.c
iomap: fix integer truncation issues in the zeroing and dirtying helpers
2017-09-20 08:19:59 +02:00
Kconfig
mm/hugetlb: introduce ARCH_HAS_GIGANTIC_PAGE
2016-10-07 18:46:29 -07:00
Kconfig.binfmt
…
libfs.c
Fix the locking in dcache_readdir() and friends
2019-10-17 13:42:45 -07:00
locks.c
locking, fs/locks: Add missing file_sem locks
2016-10-18 12:21:28 +02:00
Makefile
…
mbcache.c
mbcache: initialize entry->e_referenced in mb_cache_entry_create()
2018-02-22 15:43:48 +01:00
mount.h
mnt: In propgate_umount handle visiting mounts in any order
2017-07-21 07:42:22 +02:00
mpage.c
fs/mpage.c: fix mpage_writepage() for pages with buffers
2017-10-18 09:35:39 +02:00
namei.c
namei: allow restricted O_CREAT of FIFOs and regular files
2018-12-01 09:44:25 +01:00
namespace.c
mount: Prevent MNT_DETACH from disconnecting locked mounts
2018-11-21 09:26:02 +01:00
no-block.c
…
nsfs.c
nsfs: mark dentry with DCACHE_RCUACCESS
2018-02-17 13:21:15 +01:00
open.c
access: avoid the RCU grace period for the temporary subjective credentials
2019-08-04 09:33:43 +02:00
pipe.c
fs: prevent page refcount overflow in pipe_buf_get
2019-06-11 12:22:45 +02:00
pnode.c
mnt: Make propagate_umount less slow for overlapping mount propagation trees
2017-07-21 07:42:22 +02:00
pnode.h
mnt: Tuck mounts under others instead of creating shadow/side mounts.
2017-03-15 10:02:43 +08:00
posix_acl.c
tmpfs: clear S_ISGID when setting posix ACLs
2017-01-26 08:24:37 +01:00
proc_namespace.c
…
read_write.c
fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock
2019-06-11 12:22:49 +02:00
readdir.c
…
select.c
fs/select: add vmalloc fallback for select(2)
2016-10-11 15:06:30 -07:00
seq_file.c
seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char
2016-10-07 18:46:30 -07:00
signalfd.c
…
splice.c
fs: prevent page refcount overflow in pipe_buf_get
2019-06-11 12:22:45 +02:00
stack.c
…
stat.c
ufs: restore maintaining ->i_blocks
2017-06-14 15:06:01 +02:00
statfs.c
…
super.c
fs: don't scan the inode cache before SB_BORN is set
2019-02-06 17:33:29 +01:00
sync.c
…
timerfd.c
timerfd: Protect the might cancel mechanism proper
2017-05-08 07:47:54 +02:00
userfaultfd.c
userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
2019-09-06 10:19:37 +02:00
utimes.c
Merge remote-tracking branch 'jk/vfs' into work.misc
2016-10-08 11:06:08 -04:00
xattr.c
sysfs: Do not return POSIX ACL xattrs via listxattr
2018-10-10 08:53:22 +02:00