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android_kernel_xiaomi_sm8350/fs
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Luis Henriques a753e3f334 ceph: reduce contention in ceph_check_delayed_caps() 
commit bf2ba432213fade50dd39f2e348085b758c0726e upstream.

Function ceph_check_delayed_caps() is called from the mdsc->delayed_work
workqueue and it can be kept looping for quite some time if caps keep
being added back to the mdsc->cap_delay_list.  This may result in the
watchdog tainting the kernel with the softlockup flag.

This patch breaks this loop if the caps have been recently (i.e. during
the loop execution).  Any new caps added to the list will be handled in
the next run.

Also, allow schedule_delayed() callers to explicitly set the delay value
instead of defaulting to 5s, so we can ensure that it runs soon
afterward if it looks like there is more work.

Cc: stable@vger.kernel.org
URL: https://tracker.ceph.com/issues/46284
Signed-off-by: Luis Henriques <lhenriques@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-08-18 08:56:57 +02:00
..
9p 9P: Cast to loff_t before multiplying 2020-11-05 11:43:34 +01:00
adfs
affs fs/affs: release old buffer head on error path 2021-03-04 10:26:48 +01:00
afs afs: Fix tracepoint string placement with built-in AFS 2021-07-28 13:30:58 +02:00
autofs
befs
bfs bfs: don't use WARNING: string when it's just info. 2021-01-06 14:48:39 +01:00
btrfs btrfs: don't flush from btrfs_delayed_inode_reserve_metadata 2021-08-15 13:08:06 +02:00
cachefiles cachefiles: Handle readpage error correctly 2020-11-05 11:43:36 +01:00
ceph ceph: reduce contention in ceph_check_delayed_caps() 2021-08-18 08:56:57 +02:00
cifs cifs: fix the out of range assignment to bit fields in parse_server_interfaces 2021-07-31 08:19:38 +02:00
coda
configfs configfs: fix memleak in configfs_release_bin_file 2021-07-14 16:53:46 +02:00
cramfs
crypto fscrypt: don't ignore minor_hash when hash is 0 2021-07-19 08:53:14 +02:00
debugfs debugfs: do not attempt to create a new file before the filesystem is initalized 2021-03-04 10:26:10 +01:00
devpts
dlm fs: dlm: fix memory leak when fenced 2021-07-14 16:53:17 +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: add unsupported inode i_format check 2021-05-11 14:04:02 +02:00
exportfs
ext2 ext2: don't update mtime on COW faults 2020-09-09 19:12:30 +02:00
ext4 ext4: fix potential htree corruption when growing large_dir directories 2021-08-12 13:21:02 +02:00
f2fs f2fs: Show casefolding support only when supported 2021-07-25 14:35:13 +02:00
fat
freevxfs
fscache
fuse fuse: reject internal errno 2021-07-14 16:53:09 +02:00
gfs2 gfs2: Fix use-after-free in gfs2_glock_shrink_scan 2021-06-18 09:58:59 +02:00
hfs hfs: add lock nesting notation to hfs_find_init 2021-07-31 08:19:38 +02:00
hfsplus hfsplus: prevent corruption in shrinking truncate 2021-05-19 10:08:29 +02:00
hostfs hostfs: fix memory handling in follow_link() 2021-04-14 08:24:14 +02:00
hpfs
hugetlbfs hugetlbfs: fix mount mode command line processing 2021-07-28 13:31:01 +02:00
iomap iomap: remove the length variable in iomap_seek_hole 2021-07-31 08:19:39 +02:00
isofs isofs: release buffer head before return 2021-03-04 10:26:30 +01:00
jbd2 jbd2: fix up sparse warnings in checkpoint code 2020-11-18 19:20:30 +01:00
jffs2 jffs2: check the validity of dstlen in jffs2_zlib_compress() 2021-05-11 14:04:16 +02:00
jfs fs/jfs: Fix missing error code in lmLogInit() 2021-07-20 16:10:42 +02:00
kernfs kernfs: do not call fsnotify() with name without a parent 2020-08-19 08:16:12 +02:00
lockd lockd: don't use interval-based rebinding over TCP 2020-12-30 11:51:16 +01:00
minix fs/minix: remove expected error message in block_to_path() 2020-08-21 13:05:37 +02:00
nfs NFSv4/pNFS: Don't call _nfs4_pnfs_v3_ds_connect multiple times 2021-07-20 16:10:50 +02:00
nfs_common nfs_common: need lock during iterate through the list 2020-12-30 11:51:22 +01:00
nfsd NFSD: fix error handling in NFSv4.0 callbacks 2021-04-07 14:47:39 +02:00
nilfs2 nilfs2: fix memory leak in nilfs_sysfs_delete_device_group 2021-06-30 08:47:50 -04:00
nls
notify
ntfs ntfs: fix validity check for file name attribute 2021-07-14 16:53:01 +02:00
ocfs2 ocfs2: issue zeroout to EOF blocks 2021-08-04 12:27:37 +02:00
omfs
openpromfs
orangefs orangefs: fix orangefs df output. 2021-07-20 16:10:48 +02:00
overlayfs ovl: fix missing revert_creds() on error path 2021-05-14 09:44:16 +02:00
proc proc: Avoid mixing integer types in mem_rw() 2021-07-28 13:30:58 +02:00
pstore pstore: Fix typo in compression option name 2021-03-04 10:26:45 +01:00
qnx4
qnx6
quota quota: Fix memory leak when handling corrupted quota file 2021-03-04 10:26:26 +01:00
ramfs ramfs: fix nommu mmap with gaps in the page cache 2020-10-29 09:57:53 +01:00
reiserfs reiserfs: check directory items on read from disk 2021-08-12 13:21:05 +02:00
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
tracefs
ubifs ubifs: Set/Clear I_LINKABLE under i_lock for whiteout inode 2021-07-20 16:10:50 +02:00
udf udf: Fix NULL pointer dereference in udf_symlink function 2021-07-19 08:53:08 +02:00
ufs fs/ufs: avoid potential u32 multiplication overflow 2020-08-21 13:05:37 +02:00
unicode
verity
xfs xfs: Fix assert failure in xfs_setattr_size() 2021-03-07 12:20:42 +01:00
aio.c
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c
binfmt_em86.c
binfmt_flat.c binfmt_flat: revert "binfmt_flat: don't offset the data start" 2020-09-03 11:26:39 +02:00
binfmt_misc.c binfmt_misc: fix possible deadlock in bm_register_write 2021-03-17 17:03:57 +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 fs: Don't invalidate page buffers in block_write_full_page() 2020-11-05 11:43:24 +01:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c
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 ENOMEM handling in grab_mapping_entry() 2021-07-14 16:53:25 +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
eventfd.c
eventpoll.c ep_create_wakeup_source(): dentry name can change under you... 2020-10-07 08:01:31 +02:00
exec.c exec: Transform exec_update_mutex into a rw_semaphore 2021-01-09 13:44:55 +01:00
fcntl.c fcntl: Fix potential deadlock in send_sig{io, urg}() 2021-01-06 14:48:39 +01:00
fhandle.c
file_table.c
file.c
filesystems.c
fs_context.c
fs_parser.c
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c writeback: fix obtain a reference to a freeing memcg css 2021-07-14 16:53:35 +02:00
fsopen.c
inode.c
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: Fix current->fs handling in io_sq_wq_submit_work() 2021-01-30 13:54:10 +01:00
ioctl.c
Kconfig
Kconfig.binfmt
libfs.c libfs: fix error cast of negative value in simple_attr_write() 2020-11-24 13:29:19 +01:00
locks.c
Makefile
mbcache.c
mount.h
mpage.c
namei.c
namespace.c ovl: prevent private clone if bind mount is not allowed 2021-08-15 13:08:04 +02:00
no-block.c
nsfs.c
open.c
pipe.c pipe: increase minimum default pipe size to 2 pages 2021-08-12 13:21:02 +02:00
pnode.c
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
readdir.c readdir: make sure to verify directory entry for legacy interfaces too 2021-04-21 12:56:16 +02:00
select.c kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data() 2021-03-24 11:26:44 +01:00
seq_file.c seq_file: disallow extremely large seq buffer allocations 2021-07-20 16:10:54 +02:00
signalfd.c fs/signalfd.c: fix inconsistent return codes for signalfd4 2020-08-26 10:40:58 +02:00
splice.c
stack.c
stat.c
statfs.c
super.c vfs: remove lockdep bogosity in __sb_start_write 2020-11-24 13:29:01 +01:00
sync.c
timerfd.c
userfaultfd.c userfaultfd: do not untag user pointers 2021-07-28 13:31:01 +02:00
utimes.c
xattr.c xattr: break delegations in {set,remove}xattr 2020-08-11 15:33:39 +02:00