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Jan Kara 951ea4d3df mbcache: add functions to delete entry if unused 
[ Upstream commit 3dc96bba65f53daa217f0a8f43edad145286a8f5 ]

Add function mb_cache_entry_delete_or_get() to delete mbcache entry if
it is unused and also add a function to wait for entry to become unused
- mb_cache_entry_wait_unused(). We do not share code between the two
deleting function as one of them will go away soon.

CC: stable@vger.kernel.org
Fixes: 82939d7999df ("ext4: convert to mbcache2")
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220712105436.32204-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Stable-dep-of: a44e84a9b776 ("ext4: fix deadlock due to mbcache entry corruption")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-18 11:41:55 +01:00
..
9p
9p: missing chunk of "fs/9p: Don't update file type when updating file attributes"
2022-06-22 14:11:02 +02:00
adfs
…
affs
fs/affs: release old buffer head on error path
2021-03-04 10:26:48 +01:00
afs
afs: Fix fileserver probe RTT handling
2022-12-08 11:23:03 +01:00
autofs
autofs: fix a leak in autofs_expire_indirect()
2019-10-25 00:03:11 -04:00
befs
…
bfs
bfs: don't use WARNING: string when it's just info.
2021-01-06 14:48:39 +01:00
btrfs
btrfs: replace strncpy() with strscpy()
2023-01-18 11:41:52 +01:00
cachefiles
cachefiles: Handle readpage error correctly
2020-11-05 11:43:36 +01:00
ceph
ceph: avoid putting the realm twice when decoding snaps fails
2022-12-08 11:23:00 +01:00
cifs
cifs: fix missing display of three mount options
2023-01-18 11:41:49 +01:00
coda
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configfs
configfs: fix possible memory leak in configfs_create_dir()
2023-01-18 11:41:09 +01:00
cramfs
cramfs: fix usage on non-MTD device
2019-11-23 21:44:49 -05:00
crypto
fscrypt: add fscrypt_symlink_getattr() for computing st_size
2021-09-12 08:56:38 +02:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2023-01-18 11:40:56 +01:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:24:34 +01:00
dlm
fs: dlm: handle -EBUSY first in lock arg validation
2022-10-26 13:22:14 +02:00
ecryptfs
Revert "ecryptfs: replace BUG_ON with error handling code"
2021-05-26 12:05:19 +02:00
efivarfs
efivarfs: revert "fix memory leak in efivarfs_create()"
2020-12-02 08:49:53 +01:00
efs
…
erofs
erofs: avoid consecutive detection for Highmem memory
2022-08-25 11:17:36 +02:00
exportfs
exportfs_decode_fh(): negative pinned may become positive without the parent locked
2019-11-10 11:56:05 -05:00
ext2
ext2: Add more validity checks for inode counts
2022-08-25 11:17:28 +02:00
ext4
ext4: use kmemdup() to replace kmalloc + memcpy
2023-01-18 11:41:55 +01:00
f2fs
f2fs: should put a page when checking the summary info
2023-01-18 11:41:44 +01:00
fat
fat: add ratelimit to fat*_ent_bread()
2022-06-14 18:11:30 +02:00
freevxfs
…
fscache
fscache: Fix cookie key hashing
2021-09-22 12:26:25 +02:00
fuse
fuse: lock inode unconditionally in fuse_fallocate()
2022-12-08 11:23:01 +01:00
gfs2
gfs2: Switch from strlcpy to strscpy
2022-11-25 17:42:22 +01:00
hfs
hfs: fix OOB Read in __hfs_brec_find
2023-01-18 11:41:34 +01:00
hfsplus
hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
2023-01-18 11:41:43 +01:00
hostfs
hostfs: fix memory handling in follow_link()
2021-04-14 08:24:14 +02:00
hpfs
…
hugetlbfs
hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
2023-01-18 11:41:38 +01:00
iomap
iomap: iomap_write_failed fix
2022-06-14 18:11:36 +02:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 14:43:03 +01:00
jbd2
jbd2: wake up journal waiters in FIFO order, not LIFO
2022-10-26 13:22:17 +02:00
jffs2
jffs2: fix memory leak in jffs2_do_fill_super
2022-06-14 18:11:55 +02:00
jfs
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
2023-01-18 11:41:34 +01:00
kernfs
kernfs: fix use-after-free in __kernfs_remove
2022-11-03 23:56:54 +09:00
lockd
lockd: lockd server-side shouldn't set fl_ops
2021-09-22 12:26:34 +02:00
minix
minix: fix bug when opening a file with O_DIRECT
2022-04-15 14:18:35 +02:00
nfs
NFSv4.x: Fail client initialisation if state manager thread can't run
2023-01-18 11:41:10 +01:00
nfs_common
nfs_common: need lock during iterate through the list
2020-12-30 11:51:22 +01:00
nfsd
nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
2023-01-18 11:41:31 +01:00
nilfs2
nilfs2: fix shift-out-of-bounds/overflow in nilfs_sb2_bad_offset()
2023-01-18 11:41:34 +01:00
nls
…
notify
fsnotify: fix wrong lockdep annotations
2022-06-14 18:11:34 +02:00
ntfs
ntfs: check overflow when iterating ATTR_RECORDs
2022-11-25 17:42:22 +01:00
ocfs2
ocfs2: fix memory leak in ocfs2_mount_volume()
2023-01-18 11:40:56 +01:00
omfs
…
openpromfs
…
orangefs
orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
2023-01-18 11:41:39 +01:00
overlayfs
ovl: Use ovl mounter's fsuid and fsgid in ovl_link()
2023-01-18 11:41:43 +01:00
proc
mm: /proc/pid/smaps_rollup: fix no vma's null-deref
2022-10-29 10:20:36 +02:00
pstore
pstore: Make sure CONFIG_PSTORE_PMSG selects CONFIG_RT_MUTEXES
2023-01-18 11:41:40 +01:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-30 10:09:26 +02:00
qnx6
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quota
quota: Check next/prev free block number after reading from quota file
2022-10-26 13:22:14 +02:00
ramfs
ramfs: fix nommu mmap with gaps in the page cache
2020-10-29 09:57:53 +01:00
reiserfs
reiserfs: Add missing calls to reiserfs_security_free()
2023-01-18 11:41:41 +01:00
romfs
romfs: fix uninitialized memory leak in romfs_dev_read()
2020-08-26 10:40:51 +02:00
squashfs
squashfs: fix divide error in calculate_skip()
2021-05-19 10:08:29 +02:00
sysfs
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
2021-03-07 12:20:48 +01:00
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2023-01-18 11:40:58 +01:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-20 12:28:00 +02:00
ubifs
ubifs: Rectify space amount budget for mkdir/tmpfile operations
2022-04-15 14:18:31 +02:00
udf
udf: Avoid double brelse() in udf_rename()
2023-01-18 11:41:34 +01:00
ufs
fs/ufs: avoid potential u32 multiplication overflow
2020-08-21 13:05:37 +02:00
unicode
…
verity
fs-verity: fix signed integer overflow with i_size near S64_MAX
2021-10-06 15:42:30 +02:00
xfs
xfs: drain the buf delwri queue before xfsaild idles
2022-11-25 17:42:03 +01:00
aio.c
aio: fix use-after-free due to missing POLLFREE handling
2021-12-14 14:49:02 +01:00
anon_inodes.c
…
attr.c
vfs: Check the truncate maximum size in inode_newsize_ok()
2022-08-25 11:17:21 +02:00
bad_inode.c
…
binfmt_aout.c
binfmt: Move install_exec_creds after setup_new_exec to match binfmt_elf
2023-01-18 11:41:46 +01:00
binfmt_elf_fdpic.c
binfmt: Fix error return code in load_elf_fdpic_binary()
2023-01-18 11:41:46 +01:00
binfmt_elf.c
elf: don't use MAP_FIXED_NOREPLACE for elf interpreter mappings
2021-10-06 15:42:35 +02:00
binfmt_em86.c
…
binfmt_flat.c
binfmt: Move install_exec_creds after setup_new_exec to match binfmt_elf
2023-01-18 11:41:46 +01:00
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2023-01-18 11:41:33 +01:00
binfmt_script.c
…
block_dev.c
block: reexpand iov_iter after read/write
2021-05-22 11:38:29 +02:00
buffer.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:42:22 +01:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2023-01-18 11:41:25 +01:00
compat_binfmt_elf.c
…
compat_ioctl.c
compat_ioctl: remove /dev/random commands
2022-06-22 14:11:03 +02:00
compat.c
…
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: fix cache flush on PMD-mapped pages
2022-06-14 18:11:41 +02:00
dcache.c
fix dget_parent() fastpath race
2020-10-01 13:17:19 +02:00
dcookies.c
…
direct-io.c
fs: direct-io: fix missing sdio->boundary
2021-04-14 08:24:11 +02:00
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
epoll: check for events when removing a timed out thread from the wait queue
2022-12-08 11:23:05 +01:00
exec.c
exec: Force single empty string when argv is empty
2022-06-06 08:33:50 +02:00
fcntl.c
fcntl: fix potential deadlock for &fasync_struct.fa_lock
2021-09-15 09:47:28 +02:00
fhandle.c
…
file_table.c
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-25 09:14:34 +02:00
file.c
fget: clarify and improve __fget_files() implementation
2022-03-02 11:41:18 +01:00
filesystems.c
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
2020-04-17 10:50:21 +02:00
fs_context.c
memcg: charge fs_context and legacy_fs_context
2022-02-08 18:24:29 +01:00
fs_parser.c
…
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs-writeback: writeback_sb_inodes：Recalculate 'wrote' according skipped pages
2022-06-14 18:11:44 +02:00
fsopen.c
…
inode.c
fs: fix UAF/GPF bug in nilfs_mdt_destroy
2022-10-15 07:54:36 +02:00
internal.h
cgroup1: fix leaked context root causing sporadic NULL deref in LTP
2021-07-31 08:19:37 +02:00
io_uring.c
io_uring/af_unix: defer registered files gc to io_uring release
2022-10-26 13:22:59 +02:00
ioctl.c
compat_ioctl: add compat_ptr_ioctl()
2019-12-17 19:55:30 +01:00
Kconfig
…
Kconfig.binfmt
…
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2023-01-18 11:40:55 +01:00
locks.c
locks: reinstate locks_delete_block optimization
2020-03-25 08:25:41 +01:00
Makefile
…
mbcache.c
mbcache: add functions to delete entry if unused
2023-01-18 11:41:55 +01:00
mount.h
…
mpage.c
fs: move guard_bio_eod() after bio_set_op_attrs
2020-01-17 19:48:21 +01:00
namei.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:42:22 +01:00
namespace.c
fs: warn about impending deprecation of mandatory locks
2021-08-26 08:36:22 -04:00
no-block.c
…
nsfs.c
…
open.c
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-18 07:17:51 +01:00
pipe.c
pipe: increase minimum default pipe size to 2 pages
2021-08-12 13:21:02 +02:00
pnode.c
pnode: terminate at peers of source
2023-01-18 11:41:44 +01:00
pnode.h
mount: fix mounting of detached mounts onto targets that reside on shared mounts
2021-03-17 17:03:33 +01:00
posix_acl.c
…
proc_namespace.c
…
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: make sure to verify directory entry for legacy interfaces too
2021-04-21 12:56:16 +02:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-29 10:25:11 +01:00
seq_file.c
seq_file: disallow extremely large seq buffer allocations
2021-07-20 16:10:54 +02:00
signalfd.c
io_uring: disable polling pollfree files
2022-09-05 10:27:47 +02:00
splice.c
Revert "fs: check FMODE_LSEEK to control internal pipe splicing"
2022-10-17 17:24:32 +02:00
stack.c
…
stat.c
stat: fix inconsistency between struct stat and struct compat_stat
2022-04-27 13:50:48 +02:00
statfs.c
vfs: Fix EOVERFLOW testing in put_compat_statfs64
2019-10-03 14:21:35 -07:00
super.c
vfs: make freeze_super abort when sync_filesystem returns error
2022-02-23 11:59:55 +01:00
sync.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: open userfaultfds with O_RDONLY
2022-10-26 13:22:21 +02:00
utimes.c
utimes: Clamp the timestamps in notify_change()
2020-02-11 04:35:12 -08:00
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2023-01-18 11:40:53 +01:00