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326a8d04f147e2bf393f6f9cdb74126ee6900607
linux/fs
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Shyam Prasad N 326a8d04f1 cifs: do all necessary checks for credits within or before locking 
All the server credits and in-flight info is protected by req_lock.
Once the req_lock is held, and we've determined that we have enough
credits to continue, this lock cannot be dropped till we've made the
changes to credits and in-flight count.

However, we used to drop the lock in order to avoid deadlock with
the recent srv_lock. This could cause the checks already made to be
invalidated.

Fixed it by moving the server status check to before locking req_lock.

Fixes: d7d7a66aac ("cifs: avoid use of global locks for high contention data")
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2023-06-28 11:46:58 -05:00
..
9p
Merge tag 'net-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-05-05 19:12:01 -07:00
adfs
fs: port ->setattr() to pass mnt_idmap
2023-01-19 09:24:02 +01:00
affs
Merge tag 'for-6.3/dio-2023-02-16' of git://git.kernel.dk/linux
2023-02-20 14:10:36 -08:00
afs
afs: Fix vlserver probe RTT handling
2023-06-16 14:43:41 -07:00
autofs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
befs
befs: Convert befs_symlink_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
bfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
btrfs
Merge tag 'for-6.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2023-06-16 12:41:56 -07:00
cachefiles
fs/cachefiles: simplify one-level sysctl registration for cachefiles_sysctls
2023-04-13 11:49:35 -07:00
ceph
ceph: fix use-after-free bug for inodes when flushing capsnaps
2023-06-08 08:56:25 +02:00
coda
Merge tag 'sysctl-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
2023-04-27 16:52:33 -07:00
configfs
fs: consolidate duplicate dt_type helpers
2023-04-03 09:23:54 +02:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-02 21:54:23 -08:00
crypto
fscrypt: optimize fscrypt_initialize()
2023-04-06 11:16:39 -07:00
debugfs
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
devpts
devpts: simplify two-level sysctl registration for pty_kern_table
2023-03-13 12:36:34 +01:00
dlm
Merge tag 'net-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2023-04-26 16:07:23 -07:00
ecryptfs
fs: drop unused posix acl handlers
2023-03-06 09:57:12 +01:00
efivarfs
Merge tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
2023-02-23 14:41:48 -08:00
efs
…
erofs
erofs: use HIPRI by default if per-cpu kthreads are enabled
2023-05-23 16:57:08 +08:00
exfat
Merge tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
2023-03-01 08:42:27 -08:00
exportfs
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
ext2
Merge tag 'fs_for_v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2023-04-26 09:07:46 -07:00
ext4
ext4: drop the call to ext4_error() from ext4_get_group_info()
2023-06-14 22:24:05 -04:00
f2fs
Merge tag 'f2fs-for-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
2023-04-26 09:42:10 -07:00
fat
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
freevxfs
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-04-27 11:53:57 -07:00
gfs2
gfs2: Don't get stuck writing page onto itself under direct I/O
2023-06-01 14:55:43 +02:00
hfs
Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:55:40 -08:00
hfsplus
fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()
2023-04-12 11:29:32 +02:00
hostfs
um: hostfs: define our own API boundary
2023-04-20 23:04:40 +02:00
hpfs
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
hugetlbfs
mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area()
2023-04-21 14:52:05 -07:00
iomap
Merge tag 'iomap-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2023-04-29 10:35:48 -07:00
isofs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
jbd2
jdb2: Don't refuse invalidation of already invalidated buffers
2023-04-14 19:38:50 -04:00
jffs2
fs: rename generic posix acl handlers
2023-03-06 09:57:13 +01:00
jfs
Merge tag 'pull-write-one-page' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-04-24 19:20:27 -07:00
kernfs
Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-04-27 11:53:57 -07:00
lockd
Merge tag 'nfsd-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2023-05-17 09:56:01 -07:00
minix
Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-02-24 19:01:15 -08:00
netfs
Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-04-27 19:42:02 -07:00
nfs
NFSv4.2: Fix a potential double free with READ_PLUS
2023-05-19 17:11:59 -04:00
nfs_common
NFSv4.2: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:52 -07:00
nfsd
Merge tag 'nfsd-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2023-06-02 13:38:55 -04:00
nilfs2
nilfs2: reject devices with insufficient block count
2023-06-12 11:31:51 -07:00
nls
…
notify
inotify: Avoid reporting event with invalid wd
2023-04-25 12:36:55 +02:00
ntfs
ntfs: simplfy one-level sysctl registration for ntfs_sysctls
2023-04-13 11:49:35 -07:00
ntfs3
Merge tag 'ntfs3_for_6.4' of https://github.com/Paragon-Software-Group/linux-ntfs3
2023-04-29 10:52:37 -07:00
ocfs2
ocfs2: check new file size on fallocate call
2023-06-12 11:31:52 -07:00
omfs
fs: port inode_init_owner() to mnt_idmap
2023-01-19 09:24:28 +01:00
openpromfs
…
orangefs
Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-04-27 19:42:02 -07:00
overlayfs
ovl: check for ->listxattr() support
2023-03-06 09:57:13 +01:00
proc
sysctl: remove register_sysctl_paths()
2023-05-02 19:24:16 -07:00
pstore
Merge tag 'pstore-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2023-04-27 17:03:40 -07:00
qnx4
qnx4: credit contributors in CREDITS
2023-03-14 12:56:30 -06:00
qnx6
qnx6: credit contributor and mark filesystem orphan
2023-03-14 12:56:30 -06:00
quota
quota: mark PRINT_QUOTA_WARNING as BROKEN
2023-04-14 13:06:50 +02:00
ramfs
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
reiserfs
Merge tag 'fs_for_v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2023-04-26 09:07:46 -07:00
romfs
mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_mapping()
2023-01-18 17:12:56 -08:00
smb
cifs: do all necessary checks for credits within or before locking
2023-06-28 11:46:58 -05:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
…
sysv
sysv: switch to put_and_unmap_page()
2023-03-12 20:03:41 -04:00
tracefs
fs: port ->mkdir() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
ubifs
ubifs: Fix memleak when insert_old_idx() failed
2023-04-23 23:36:38 +02:00
udf
udf: use wrapper i_blocksize() in udf_discard_prealloc()
2023-03-13 11:16:16 +01:00
ufs
ufs: don't flush page immediately for DIRSYNC directories
2023-03-28 16:20:14 -07:00
unicode
unicode: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:54 -07:00
vboxsf
fs: port ->rename() to pass mnt_idmap
2023-01-19 09:24:26 +01:00
verity
fsverity: reject FS_IOC_ENABLE_VERITY on mode 3 fds
2023-04-11 19:23:23 -07:00
xfs
xfs: collect errors from inodegc for unlinked inode recovery
2023-06-05 14:48:15 +10:00
zonefs
zonefs: Do not propagate iomap_dio_rw() ENOTBLK error to user space
2023-03-30 20:56:02 +09:00
aio.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2023-02-10 15:34:48 -08:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
nfs: use vfs setgid helper
2023-03-30 08:51:48 +02:00
bad_inode.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
binfmt_elf_fdpic.c
ELF: fix all "Elf" typos
2023-04-08 13:45:37 -07:00
binfmt_elf_test.c
…
binfmt_elf.c
Merge tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-04-27 19:57:00 -07:00
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-02 13:57:04 -08:00
binfmt_script.c
…
buffer.c
Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-04-27 19:42:02 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
…
coredump.c
fork, vhost: Use CLONE_THREAD to fix freezer/ps regression
2023-06-01 17:15:33 -04:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax: force clear dirty mark if CoW
2023-04-05 18:06:23 -07:00
dcache.c
Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2022-10-10 19:45:17 -07:00
direct-io.c
__blockdev_direct_IO(): get rid of submit_io callback
2023-03-05 20:27:41 -05:00
drop_caches.c
…
eventfd.c
eventfd: use wait_event_interruptible_locked_irq() helper
2023-04-06 10:01:50 +02:00
eventpoll.c
epoll: ep_autoremove_wake_function should use list_del_init_careful
2023-06-12 11:31:52 -07:00
exec.c
Merge tag 'trace-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2023-04-28 15:57:53 -07:00
fcntl.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
filelock: move file locking definitions to separate header file
2023-01-11 06:52:32 -05:00
file.c
fs: prevent out-of-bounds array speculation when closing a file descriptor
2023-03-09 22:46:21 -05:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2022-12-01 10:46:54 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
Merge tag 'for-6.4/block-2023-05-06' of git://git.kernel.dk/linux
2023-05-06 08:28:58 -07:00
fsopen.c
…
init.c
fs: port ->permission() to pass mnt_idmap
2023-01-19 09:24:28 +01:00
inode.c
Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-04-27 19:42:02 -07:00
internal.h
Merge tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd
2023-04-29 11:10:39 -07:00
ioctl.c
fs: port inode_owner_or_capable() to mnt_idmap
2023-01-19 09:24:29 +01:00
Kconfig
smb: move client and server files to common directory fs/smb
2023-05-24 16:29:21 -05:00
Kconfig.binfmt
Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
fs: consolidate duplicate dt_type helpers
2023-04-03 09:23:54 +02:00
locks.c
filelocks: use mount idmapping for setlease permission check
2023-03-09 22:36:12 +01:00
Makefile
smb: move client and server files to common directory fs/smb
2023-05-24 16:29:21 -05:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mnt_idmapping.c
fs: move mnt_idmap
2023-01-19 09:24:30 +01:00
mount.h
…
mpage.c
mpage: use folios in bio end_io handler
2023-04-18 16:30:02 -07:00
namei.c
Merge tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd
2023-04-29 11:10:39 -07:00
namespace.c
Merge tag 'pull-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2023-04-24 19:14:20 -07:00
no-block.c
…
nsfs.c
kill the last remaining user of proc_ns_fget()
2023-04-20 22:55:35 -04:00
open.c
open: return EINVAL for O_DIRECTORY | O_CREAT
2023-03-22 11:06:55 +01:00
pipe.c
pipe: check for IOCB_NOWAIT alongside O_NONBLOCK
2023-05-12 17:17:27 +02:00
pnode.c
pnode: pass mountpoint directly
2023-04-06 14:53:38 +02:00
pnode.h
…
posix_acl.c
acl: don't depend on IOP_XATTR
2023-03-06 09:59:20 +01:00
proc_namespace.c
…
read_write.c
iov_iter: add iter_iov_addr() and iter_iov_len() helpers
2023-03-30 08:12:29 -06:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap
2023-01-19 09:24:29 +01:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
signalfd.c
…
splice.c
Merge tag 'pipe-nonblock-2023-05-06' of git://git.kernel.dk/linux
2023-05-06 08:15:20 -07:00
stack.c
…
stat.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
statfs.c
statfs: enforce statfs[64] structure initialization
2023-05-17 15:20:17 +02:00
super.c
mm: shrinkers: convert shrinker_rwsem to mutex
2023-03-28 16:20:17 -07:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm/uffd: allow vma to merge as much as possible
2023-06-12 11:31:50 -07:00
utimes.c
Merge tag 'fs.idmapped.v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
2023-02-20 11:53:11 -08:00
xattr.c
fs: don't call posix_acl_listxattr in generic_listxattr
2023-05-17 15:25:20 +02:00