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Amir Goldstein 83bc1d2941
fs: get mnt_writers count for an open backing file's real path 
A writeable mapped backing file can perform writes to the real inode.
Therefore, the real path mount must be kept writable so long as the
writable map exists.

This may not be strictly needed for ovelrayfs private upper mount,
but it is correct to take the mnt_writers count in the vfs helper.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231009153712.1566422-2-amir73il@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-19 11:03:15 +02:00
..
9p
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
adfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
affs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
afs
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
autofs
v6.6-vfs.autofs
2023-08-28 11:39:14 -07:00
befs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
bfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
btrfs
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
cachefiles
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
ceph
Mixed with some fixes and cleanups, this brings in reasonably complete
2023-09-06 12:10:15 -07:00
coda
v6.6-vfs.ctime
2023-08-28 09:31:32 -07:00
configfs
configfs: convert to ctime accessor functions
2023-07-13 10:28:05 +02:00
cramfs
v6.6-vfs.super
2023-08-28 11:04:18 -07:00
crypto
…
debugfs
Char/Misc driver changes for 6.6-rc1
2023-09-01 09:53:54 -07:00
devpts
v6.6-vfs.misc
2023-08-28 10:17:14 -07:00
dlm
dlm: fix plock lookup when using multiple lockspaces
2023-08-25 10:31:39 -05:00
ecryptfs
v6.6-vfs.misc
2023-08-28 10:17:14 -07:00
efivarfs
efivarfs: convert to ctime accessor functions
2023-07-13 10:28:06 +02:00
efs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
erofs
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
exfat
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
exportfs
exportfs: remove kernel-doc warnings in exportfs
2023-08-29 17:45:22 -04:00
ext2
\n
2023-08-30 12:10:50 -07:00
ext4
Many ext4 and jbd2 cleanups and bug fixes for v6.6-rc1.
2023-08-31 15:18:15 -07:00
f2fs
f2fs update for 6.6-rc1
2023-09-02 15:37:59 -07:00
fat
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
freevxfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
fscache
…
fuse
fuse update for 6.6
2023-09-05 12:45:55 -07:00
gfs2
file: convert to SLAB_TYPESAFE_BY_RCU
2023-10-19 11:02:48 +02:00
hfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
hfsplus
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
hostfs
hostfs: convert to ctime accessor functions
2023-07-24 10:30:00 +02:00
hpfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
hugetlbfs
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
iomap
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
isofs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
jbd2
Many ext4 and jbd2 cleanups and bug fixes for v6.6-rc1.
2023-08-31 15:18:15 -07:00
jffs2
jffs2: convert to ctime accessor functions
2023-07-24 10:30:01 +02:00
jfs
A few small fixes
2023-08-31 15:25:01 -07:00
kernfs
Driver core changes for 6.6-rc1
2023-09-01 09:43:18 -07:00
lockd
SUNRPC: Add enum svc_auth_status
2023-08-29 17:45:22 -04:00
minix
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
netfs
…
nfs
fs: add a new SB_I_NOUMASK flag
2023-10-19 11:02:47 +02:00
nfs_common
…
nfsd
NFSD 6.6 Release Notes
2023-08-31 15:32:18 -07:00
nilfs2
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
nls
nls: Hide new NLS_UCS2_UTILS
2023-08-31 12:07:34 -05:00
notify
file: convert to SLAB_TYPESAFE_BY_RCU
2023-10-19 11:02:48 +02:00
ntfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
ntfs3
ntfs3: drop inode references in ntfs_put_super()
2023-09-07 10:23:37 -07:00
ocfs2
Many ext4 and jbd2 cleanups and bug fixes for v6.6-rc1.
2023-08-31 15:18:15 -07:00
omfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
openpromfs
openpromfs: convert to ctime accessor functions
2023-07-24 10:30:03 +02:00
orangefs
fs: drop the timespec64 argument from update_time
2023-08-11 09:04:57 +02:00
overlayfs
overlayfs update for 6.6
2023-08-30 11:54:09 -07:00
proc
file: convert to SLAB_TYPESAFE_BY_RCU
2023-10-19 11:02:48 +02:00
pstore
pstore fix for v6.6-rc1
2023-09-02 10:45:17 -07:00
qnx4
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
qnx6
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
quota
\n
2023-08-30 12:10:50 -07:00
ramfs
ramfs: convert to ctime accessor functions
2023-07-24 10:30:04 +02:00
reiserfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
romfs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
smb
six smb3 client fixes, one fix for nls Kconfig, one minor spnego registry update
2023-09-09 19:56:23 -07:00
squashfs
squashfs: convert to ctime accessor functions
2023-07-24 10:30:05 +02:00
sysfs
…
sysv
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
tracefs
Tracing updates for 6.6:
2023-09-01 16:34:25 -07:00
ubifs
fs: drop the timespec64 argument from update_time
2023-08-11 09:04:57 +02:00
udf
\n
2023-08-30 12:10:50 -07:00
ufs
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
unicode
…
vboxsf
v6.6-vfs.ctime
2023-08-28 09:31:32 -07:00
verity
fsverity: skip PKCS#7 parser when keyring is empty
2023-08-20 10:33:43 -07:00
xfs
New code for 6.6:
2023-08-30 12:34:12 -07:00
zonefs
New code for 6.6:
2023-08-28 11:59:52 -07:00
aio.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
anon_inodes.c
…
attr.c
v6.6-vfs.misc
2023-08-28 10:17:14 -07:00
bad_inode.c
fs: drop the timespec64 argument from update_time
2023-08-11 09:04:57 +02:00
binfmt_elf_fdpic.c
binfmt_elf_fdpic: support 64-bit systems
2023-08-23 14:17:42 -07:00
binfmt_elf_test.c
…
binfmt_elf.c
Merge branch 'expand-stack'
2023-06-28 20:35:21 -07:00
binfmt_flat.c
…
binfmt_misc.c
fs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
binfmt_script.c
…
buffer.c
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
v6.5/vfs.misc
2023-06-26 09:50:21 -07:00
d_path.c
…
dax.c
mm: remove enum page_entry_size
2023-08-24 16:20:30 -07:00
dcache.c
fs/dcache: Replace printk and WARN_ON by WARN
2023-08-19 13:41:11 +02:00
direct-io.c
- Yosry Ahmed brought back some cgroup v1 stats in OOM logs.
2023-06-28 10:28:11 -07:00
drop_caches.c
fs: drop_caches: draining pages before dropping caches
2023-08-18 10:12:11 -07:00
eventfd.c
eventfd: prevent underflow for eventfd semaphores
2023-07-11 11:41:34 +02:00
eventpoll.c
epoll: simplify ep_alloc()
2023-07-26 14:56:07 +02:00
exec.c
- An extensive rework of kexec and crash Kconfig from Eric DeVolder
2023-08-29 14:53:51 -07:00
fcntl.c
fcntl: Cast commands with int args explicitly
2023-07-10 14:36:11 +02:00
fhandle.c
…
file_table.c
backing file: free directly
2023-10-19 11:02:49 +02:00
file.c
backing file: free directly
2023-10-19 11:02:49 +02:00
filesystems.c
…
fs_context.c
v6.6-vfs.misc
2023-08-28 10:17:14 -07:00
fs_parser.c
…
fs_pin.c
…
fs_struct.c
kill do_each_thread()
2023-08-21 13:46:25 -07:00
fs_types.c
…
fs-writeback.c
super: make locking naming consistent
2023-08-21 14:36:57 +02:00
fsopen.c
fs: add FSCONFIG_CMD_CREATE_EXCL
2023-08-14 18:48:02 +02:00
init.c
fs: add a new SB_I_NOUMASK flag
2023-10-19 11:02:47 +02:00
inode.c
fs: rename __mnt_{want,drop}_write*() helpers
2023-09-11 15:05:50 +02:00
internal.h
fs: get mnt_writers count for an open backing file's real path
2023-10-19 11:03:15 +02:00
ioctl.c
v6.6-vfs.super
2023-08-28 11:04:18 -07:00
Kconfig
for-6.6/block-2023-08-28
2023-08-29 20:21:42 -07:00
Kconfig.binfmt
riscv: support the elf-fdpic binfmt loader
2023-08-23 14:17:43 -07:00
kernel_read_file.c
fs: Fix kernel-doc warnings
2023-08-19 12:12:12 +02:00
libfs.c
Many ext4 and jbd2 cleanups and bug fixes for v6.6-rc1.
2023-08-31 15:18:15 -07:00
locks.c
NFSD 6.6 Release Notes
2023-08-31 15:32:18 -07:00
Makefile
fs: add CONFIG_BUFFER_HEAD
2023-08-02 09:13:09 -06:00
mbcache.c
…
mnt_idmapping.c
…
mount.h
…
mpage.c
…
namei.c
vfs: shave work on failed file open
2023-10-19 11:02:48 +02:00
namespace.c
vfs: stop counting on gcc not messing with mnt_expiry_mark if not asked
2023-10-19 11:02:49 +02:00
nsfs.c
fs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
open.c
fs: get mnt_writers count for an open backing file's real path
2023-10-19 11:03:15 +02:00
pipe.c
fs/pipe: use spinlock in pipe_read() only if there is a watch_queue
2023-10-19 11:02:48 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
proc_namespace.c
…
read_write.c
fs: Fix one kernel-doc comment
2023-08-15 08:32:45 +02:00
readdir.c
vfs: get rid of old '->iterate' directory operation
2023-08-06 15:08:35 +02:00
remap_range.c
…
select.c
…
seq_file.c
…
signalfd.c
…
splice.c
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
stack.c
fs: convert to ctime accessor functions
2023-07-13 10:28:04 +02:00
stat.c
vfs: mostly undo glibc turning 'fstat()' into 'fstatat(AT_EMPTY_PATH)'
2023-09-07 09:40:30 -07:00
statfs.c
…
super.c
fs: export sget_dev()
2023-08-31 12:47:15 +02:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm: userfaultfd: remove stale comment about core dump locking
2023-08-24 16:20:27 -07:00
utimes.c
…
xattr.c
tmpfs,xattr: GFP_KERNEL_ACCOUNT for simple xattrs
2023-08-22 10:57:46 +02:00