linux-stable/fs/f2fs
Jaegeuk Kim 50c63009f6 f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes
If one read IO is always failing, we can fall into an infinite loop in
f2fs_sync_dirty_inodes. This happens during xfstests/generic/475.

[  142.803335] Buffer I/O error on dev dm-1, logical block 8388592, async page read
...
[  382.887210]  submit_bio_noacct+0xdd/0x2a0
[  382.887213]  submit_bio+0x80/0x110
[  382.887223]  __submit_bio+0x4d/0x300 [f2fs]
[  382.887282]  f2fs_submit_page_bio+0x125/0x200 [f2fs]
[  382.887299]  __get_meta_page+0xc9/0x280 [f2fs]
[  382.887315]  f2fs_get_meta_page+0x13/0x20 [f2fs]
[  382.887331]  f2fs_get_node_info+0x317/0x3c0 [f2fs]
[  382.887350]  f2fs_do_write_data_page+0x327/0x6f0 [f2fs]
[  382.887367]  f2fs_write_single_data_page+0x5b7/0x960 [f2fs]
[  382.887386]  f2fs_write_cache_pages+0x302/0x890 [f2fs]
[  382.887405]  ? preempt_count_add+0x7a/0xc0
[  382.887408]  f2fs_write_data_pages+0xfd/0x320 [f2fs]
[  382.887425]  ? _raw_spin_unlock+0x1a/0x30
[  382.887428]  do_writepages+0xd3/0x1d0
[  382.887432]  filemap_fdatawrite_wbc+0x69/0x90
[  382.887434]  filemap_fdatawrite+0x50/0x70
[  382.887437]  f2fs_sync_dirty_inodes+0xa4/0x270 [f2fs]
[  382.887453]  f2fs_write_checkpoint+0x189/0x1640 [f2fs]
[  382.887469]  ? schedule_timeout+0x114/0x150
[  382.887471]  ? ttwu_do_activate+0x6d/0xb0
[  382.887473]  ? preempt_count_add+0x7a/0xc0
[  382.887476]  kill_f2fs_super+0xca/0x100 [f2fs]
[  382.887491]  deactivate_locked_super+0x35/0xa0
[  382.887494]  deactivate_super+0x40/0x50
[  382.887497]  cleanup_mnt+0x139/0x190
[  382.887499]  __cleanup_mnt+0x12/0x20
[  382.887501]  task_work_run+0x64/0xa0
[  382.887505]  exit_to_user_mode_prepare+0x1b7/0x1c0
[  382.887508]  syscall_exit_to_user_mode+0x27/0x50
[  382.887510]  do_syscall_64+0x48/0xc0
[  382.887513]  entry_SYSCALL_64_after_hwframe+0x44/0xae

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2022-03-04 09:15:46 -08:00
..
acl.c f2fs: support idmapped mounts 2022-02-12 06:20:46 -08:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
checkpoint.c f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes 2022-03-04 09:15:46 -08:00
compress.c f2fs: move f2fs to use reader-unfair rwsems 2022-01-24 17:40:04 -08:00
data.c f2fs: fix to avoid potential deadlock 2022-03-03 13:30:48 -08:00
debug.c f2fs: add a way to limit roll forward recovery time 2022-02-12 05:58:18 -08:00
dir.c f2fs: move f2fs to use reader-unfair rwsems 2022-01-24 17:40:04 -08:00
extent_cache.c f2fs: support fault injection for f2fs_kmem_cache_alloc() 2021-08-17 11:59:05 -07:00
f2fs.h f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes 2022-03-04 09:15:46 -08:00
file.c f2fs: support idmapped mounts 2022-02-12 06:20:46 -08:00
gc.c f2fs: fix to unlock page correctly in error path of is_alive() 2022-02-03 22:21:28 -08:00
gc.h f2fs: introduce gc_merge mount option 2021-03-30 18:48:56 -07:00
hash.c f2fs: Handle casefolding with Encryption 2020-12-02 22:00:21 -08:00
inline.c f2fs: move f2fs to use reader-unfair rwsems 2022-01-24 17:40:04 -08:00
inode.c f2fs: fix missing free nid in f2fs_handle_failed_inode 2022-02-25 11:11:20 -08:00
iostat.c f2fs: use iomap for direct I/O 2021-12-10 15:48:30 -08:00
iostat.h f2fs: introduce periodic iostat io latency traces 2021-08-23 10:25:51 -07:00
Kconfig f2fs: implement iomap operations 2021-12-04 10:53:35 -08:00
Makefile f2fs: separate out iostat feature 2021-08-23 10:25:51 -07:00
namei.c f2fs: support idmapped mounts 2022-02-12 06:20:46 -08:00
node.c f2fs: fix to avoid potential deadlock 2022-03-03 13:30:48 -08:00
node.h f2fs: add a way to limit roll forward recovery time 2022-02-12 05:58:18 -08:00
recovery.c f2fs: add a way to limit roll forward recovery time 2022-02-12 05:58:18 -08:00
segment.c f2fs: fix to do sanity check on curseg->alloc_type 2022-03-03 18:19:41 -08:00
segment.h f2fs: introduce F2FS_IPU_HONOR_OPU_WRITE ipu policy 2022-02-07 11:28:35 -08:00
shrinker.c f2fs: avoid race condition for shrinker count 2020-12-03 00:59:26 -08:00
super.c f2fs: quota: fix loop condition at f2fs_quota_sync() 2022-02-25 11:11:31 -08:00
sysfs.c f2fs: add a way to limit roll forward recovery time 2022-02-12 05:58:18 -08:00
verity.c f2fs: move f2fs to use reader-unfair rwsems 2022-01-24 17:40:04 -08:00
xattr.c f2fs: move f2fs to use reader-unfair rwsems 2022-01-24 17:40:04 -08:00
xattr.h