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Vratislav Bendel b195f26ab8 xfs: Correctly invert xfs_buftarg LRU isolation logic 
commit 19957a1816 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 12:43:40 +01:00
..
9p 9p: avoid attaching writeback_fid on mmap with type PRIVATE 2019-10-11 18:18:38 +02:00
adfs fs/adfs: super: fix use-after-free bug 2019-08-06 19:05:21 +02:00
affs affs_lookup(): close a race with affs_remove_link() 2018-05-30 07:51:47 +02:00
afs afs: Fix directory permissions check 2018-07-08 15:30:51 +02:00
autofs4 autofs: fix error return in autofs_fill_super() 2019-03-13 14:03:19 -07:00
befs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bfs bfs: add sanity check at bfs_fill_super() 2018-12-01 09:42:51 +01:00
btrfs btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group() 2019-10-29 09:17:43 +01:00
cachefiles fscache, cachefiles: remove redundant variable 'cache' 2018-12-17 09:28:53 +01:00
ceph ceph: reconnect connection if session hang in opening state 2019-10-11 18:18:39 +02:00
cifs fs: cifs: mute -Wunused-const-variable message 2019-11-06 12:43:10 +01:00
coda coda: add error handling for fget 2019-08-06 19:05:23 +02:00
configfs configfs: Fix use-after-free when accessing sd->s_dentry 2019-06-22 08:16:17 +02:00
cramfs Cramfs: fix abad comparison when wrap-arounds occur 2018-11-13 11:15:12 -08:00
crypto fscrypt: clean up some BUG_ON()s in block encryption/decryption 2019-07-31 07:28:22 +02:00
debugfs debugfs: fix use-after-free on symlink traversal 2019-05-08 07:20:49 +02:00
devpts fs/devpts: always delete dcache dentry-s in dput() 2019-03-23 14:35:21 +01:00
dlm dlm: Don't swamp the CPU with callbacks queued during recovery 2019-02-12 19:45:57 +01:00
ecryptfs eCryptfs: fix a couple type promotion bugs 2019-07-31 07:28:42 +02:00
efivarfs VFS: Kill off s_options and helpers 2017-07-11 06:09:21 -04:00
efs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
exofs fs/exofs: fix potential memory leak in mount option parsing 2018-11-27 16:10:47 +01:00
exportfs exportfs: do not read dentry after free 2018-12-17 09:28:50 +01:00
ext2 ext2: Fix underflow in ext2_max_size() 2019-03-23 14:35:23 +01:00
ext4 ext4: fix punch hole for inline_data file systems 2019-10-05 12:48:11 +02:00
f2fs f2fs: flush quota blocks after turnning it off 2019-11-06 12:42:52 +01:00
fat fat: work around race with userspace's read via blockdev while mounting 2019-10-07 18:55:12 +02:00
freevxfs
fscache fscache: fix race between enablement and dropping of object 2018-12-17 09:28:53 +01:00
fuse fuse: truncate pending writes on O_TRUNC 2019-11-06 12:43:24 +01:00
gfs2 gfs2: clear buf_in_tr when ending a transaction in sweep_bh_for_rgrps 2019-10-05 12:48:08 +02:00
hfs hfs: do not free node before using 2018-12-17 09:28:54 +01:00
hfsplus hfsplus: do not free node before using 2018-12-17 09:28:54 +01:00
hostfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hpfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugetlbfs hugetlb: use same fault hash key for shared and private mappings 2019-05-31 06:47:12 -07:00
isofs isofs: reject hardware sector size > 2048 bytes 2018-10-03 17:00:57 -07:00
jbd2 jbd2: introduce jbd2_inode dirty range scoping 2019-07-31 07:28:47 +02:00
jffs2 jffs2: fix use-after-free on symlink traversal 2019-05-08 07:20:49 +02:00
jfs jfs: Fix inconsistency between memory allocation and ea_buf->max_size 2018-08-09 12:16:39 +02:00
kernfs kernfs: fix barrier usage in __kernfs_new_node() 2019-05-16 19:42:19 +02:00
lockd Revert "lockd: Show pid of lockd for remote locks" 2019-06-09 09:18:18 +02:00
minix License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ncpfs staging: ncpfs: memory corruption in ncp_read_kernel() 2018-03-28 18:24:43 +02:00
nfs NFSv4: Fix leak of clp->cl_acceptor string 2019-11-06 12:43:18 +01:00
nfs_common lockd: fix "list_add double add" caused by legacy signal interface 2018-02-03 17:39:08 +01:00
nfsd nfsd: Fix overflow causing non-working mounts on 1 TB machines 2019-07-31 07:28:48 +02:00
nilfs2 do d_instantiate/unlock_new_inode combinations safely 2018-05-30 07:51:47 +02:00
nls License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
notify fanotify: fix handling of events on child sub-directory 2019-02-06 17:31:37 +01:00
ntfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ocfs2 fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc() 2019-11-06 12:43:15 +01:00
omfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
openpromfs
orangefs orangefs: report attributes_mask and attributes for statx 2018-06-26 08:06:33 +08:00
overlayfs ovl: filter of trusted xattr results in audit 2019-10-05 12:48:09 +02:00
proc fs/proc/page.c: don't access uninitialized memmaps in fs/proc/page.c 2019-10-29 09:17:37 +01:00
pstore pstore/ram: Run without kernel crash dump region 2019-06-11 12:21:48 +02:00
qnx4 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
qnx6 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quota quota: fix a problem about transfer quota 2019-07-21 09:04:28 +02:00
ramfs mm: make pagevec_lookup() update index 2017-09-06 17:27:26 -07:00
reiserfs reiserfs: propagate errors from fill_with_dentries() properly 2018-11-27 16:10:46 +01:00
romfs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
squashfs Squashfs: Compute expected length from inode size rather than block length 2018-09-05 09:26:32 +02:00
sysfs scsi: sysfs: Introduce sysfs_{un,}break_active_protection() 2018-09-05 09:26:41 +02:00
sysv sysv: return 'err' instead of 0 in __sysv_write_inode 2018-12-17 09:28:48 +01:00
tracefs VFS: Don't use save/replace_mount_options if not using generic_show_options 2017-07-06 03:31:46 -04:00
ubifs ubifs: Correctly use tnc_next() in search_dh_cookie() 2019-09-19 09:08:06 +02:00
udf udf: Fix incorrect final NOT_ALLOCATED (hole) extent length 2019-07-21 09:04:30 +02:00
ufs ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour 2019-05-25 18:25:36 +02:00
xfs xfs: Correctly invert xfs_buftarg LRU isolation logic 2019-11-06 12:43:40 +01:00
aio.c aio: fix spectre gadget in lookup_ioctx 2018-12-21 14:13:04 +01:00
anon_inodes.c
attr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bad_inode.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
binfmt_aout.c fs: fix kernel_read prototype 2017-09-04 19:05:15 -04:00
binfmt_elf.c binfmt_elf: Do not move brk for INTERP-less ET_EXEC 2019-10-05 12:48:06 +02:00
binfmt_elf_fdpic.c Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-09-14 18:13:32 -07:00
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: make load_flat_shared_library() work 2019-07-03 13:15:59 +02:00
binfmt_misc.c fs/binfmt_misc.c: do not allow offset overflow 2018-06-26 08:06:33 +08:00
binfmt_script.c exec: load_script: Do not exec truncated interpreter path 2019-11-06 12:42:59 +01:00
block_dev.c block: fix the return errno for direct IO 2019-04-17 08:37:53 +02:00
buffer.c fs: fix guard_bio_eod to check for real EOD errors 2019-04-05 22:31:28 +02:00
char_dev.c chardev: add additional check for minor range overlap 2019-05-31 06:47:31 -07:00
compat.c
compat_binfmt_elf.c
compat_ioctl.c compat_ioctl: pppoe: fix PPPOEIOCSFWD handling 2019-08-09 17:53:35 +02:00
coredump.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dax.c fs/dax.c: release PMD lock even when there is no PMD support in DAX 2018-04-26 11:02:14 +02:00
dcache.c fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb() 2019-02-06 17:31:34 +01:00
dcookies.c
direct-io.c iomap: report collisions between directio and buffered writes to userspace 2019-04-27 09:35:41 +02:00
drop_caches.c fs/drop_caches.c: avoid softlockups in drop_pagecache_sb() 2019-03-13 14:03:18 -07:00
eventfd.c There has been a fair amount of activity in the docs tree this time 2017-07-03 21:13:25 -07:00
eventpoll.c fs/epoll: drop ovflist branch prediction 2019-02-12 19:46:10 +01:00
exec.c sched/fair: Don't free p->numa_faults with concurrent readers 2019-08-04 09:32:03 +02:00
fcntl.c fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall 2017-12-17 15:07:59 +01:00
fhandle.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
file.c fs/file.c: initialize init_files.resize_wait 2019-04-05 22:31:28 +02:00
file_table.c fput: Don't reinvent the wheel but use existing llist API 2017-08-28 00:50:23 -04:00
filesystems.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs-writeback.c blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration 2019-07-31 07:28:25 +02:00
fs_pin.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs_struct.c
inode.c Abort file_remove_privs() for non-reg. files 2019-06-22 08:16:19 +02:00
internal.h Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2017-09-13 09:11:44 -07:00
ioctl.c vfs: swap names of {do,vfs}_clone_file_range() 2018-11-10 07:48:33 -08:00
iomap.c iomap: report collisions between directio and buffered writes to userspace 2019-04-27 09:35:41 +02:00
Kconfig fs/Kconfig: kill CONFIG_PERCPU_RWSEM some more 2017-07-12 16:26:00 -07:00
Kconfig.binfmt
libfs.c Fix the locking in dcache_readdir() and friends 2019-10-17 13:43:52 -07:00
locks.c fs/lock: skip lock owner pid translation in case we are in init_pid_ns 2018-10-03 17:00:53 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mbcache.c mbcache: initialize entry->e_referenced in mb_cache_entry_create() 2018-02-22 15:42:25 +01:00
mount.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpage.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c namei: allow restricted O_CREAT of FIFOs and regular files 2018-12-01 09:42:59 +01:00
namespace.c mount: Prevent MNT_DETACH from disconnecting locked mounts 2018-11-21 09:24:14 +01:00
no-block.c
nsfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
open.c access: avoid the RCU grace period for the temporary subjective credentials 2019-07-31 07:28:58 +02:00
pipe.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:15:18 +02:00
pnode.c
pnode.h
posix_acl.c
proc_namespace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
read_write.c vfs: fix page locking deadlocks when deduping files 2019-09-10 10:32:15 +01:00
readdir.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
select.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seq_file.c seq_file: fix incomplete reset on read from zero offset 2018-02-22 15:42:28 +01:00
signalfd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
splice.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:15:18 +02:00
stack.c
stat.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-11 18:18:48 +02:00
super.c fs: don't scan the inode cache before SB_BORN is set 2018-05-30 07:51:47 +02:00
sync.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
timerfd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
userfaultfd.c userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx 2019-08-29 08:26:43 +02:00
utimes.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr.c sysfs: Do not return POSIX ACL xattrs via listxattr 2018-10-10 08:54:27 +02:00