WSL2-Linux-Kernel/fs/f2fs
Jaegeuk Kim b0f3b87fb3 f2fs: should avoid inode eviction in synchronous path
https://bugzilla.kernel.org/show_bug.cgi?id=208565

PID: 257    TASK: ecdd0000  CPU: 0   COMMAND: "init"
  #0 [<c0b420ec>] (__schedule) from [<c0b423c8>]
  #1 [<c0b423c8>] (schedule) from [<c0b459d4>]
  #2 [<c0b459d4>] (rwsem_down_read_failed) from [<c0b44fa0>]
  #3 [<c0b44fa0>] (down_read) from [<c044233c>]
  #4 [<c044233c>] (f2fs_truncate_blocks) from [<c0442890>]
  #5 [<c0442890>] (f2fs_truncate) from [<c044d408>]
  #6 [<c044d408>] (f2fs_evict_inode) from [<c030be18>]
  #7 [<c030be18>] (evict) from [<c030a558>]
  #8 [<c030a558>] (iput) from [<c047c600>]
  #9 [<c047c600>] (f2fs_sync_node_pages) from [<c0465414>]
 #10 [<c0465414>] (f2fs_write_checkpoint) from [<c04575f4>]
 #11 [<c04575f4>] (f2fs_sync_fs) from [<c0441918>]
 #12 [<c0441918>] (f2fs_do_sync_file) from [<c0441098>]
 #13 [<c0441098>] (f2fs_sync_file) from [<c0323fa0>]
 #14 [<c0323fa0>] (vfs_fsync_range) from [<c0324294>]
 #15 [<c0324294>] (do_fsync) from [<c0324014>]
 #16 [<c0324014>] (sys_fsync) from [<c0108bc0>]

This can be caused by flush_dirty_inode() in f2fs_sync_node_pages() where
iput() requires f2fs_lock_op() again resulting in livelock.

Reported-by: Zhiguo Niu <Zhiguo.Niu@unisoc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2020-07-21 12:55:54 -07:00
..
Kconfig f2fs: compress: support lzo-rle compress algorithm 2020-05-11 20:36:46 -07:00
Makefile f2fs: support data compression 2020-01-17 16:48:07 -08:00
acl.c
acl.h f2fs: Use the correct style for SPDX License Identifier 2020-05-08 06:55:55 -07:00
checkpoint.c f2fs: don't keep meta inode pages used for compressed block migration 2020-07-08 22:28:34 -07:00
compress.c f2fs: compress: fix to avoid memory leak on cc->cpages 2020-07-20 15:47:38 -07:00
data.c f2fs: avoid readahead race condition 2020-07-07 21:51:48 -07:00
debug.c f2fs: show more debug info for per-temperature log 2020-07-07 21:51:45 -07:00
dir.c f2fs: fix typo in comment of f2fs_do_add_link 2020-07-07 21:51:45 -07:00
extent_cache.c f2fs: fix to wait page writeback before update 2020-07-07 21:51:45 -07:00
f2fs.h f2fs: use generic names for generic ioctls 2020-07-20 15:47:32 -07:00
file.c f2fs: use generic names for generic ioctls 2020-07-20 15:47:32 -07:00
gc.c f2fs: add GC_URGENT_LOW mode in gc_urgent 2020-07-07 21:51:49 -07:00
gc.h f2fs: Use the correct style for SPDX License Identifier 2020-05-08 06:55:55 -07:00
hash.c f2fs-for-5.8-rc1 2020-06-09 11:28:59 -07:00
inline.c f2fs: fix error path in do_recover_data() 2020-07-08 10:11:19 -07:00
inode.c f2fs: fix to wait page writeback before update 2020-07-07 21:51:45 -07:00
namei.c f2fs: make trace enter and end in pairs for unlink 2020-07-07 21:51:47 -07:00
node.c f2fs: should avoid inode eviction in synchronous path 2020-07-21 12:55:54 -07:00
node.h f2fs: shrink spinlock coverage 2020-05-11 20:36:46 -07:00
recovery.c f2fs: fix error path in do_recover_data() 2020-07-08 10:11:19 -07:00
segment.c f2fs: add GC_URGENT_LOW mode in gc_urgent 2020-07-07 21:51:49 -07:00
segment.h f2fs: segment.h: delete a duplicated word 2020-07-20 15:47:38 -07:00
shrinker.c f2fs: fix inconsistent comments 2020-03-10 09:18:33 -07:00
super.c f2fs: avoid readahead race condition 2020-07-07 21:51:48 -07:00
sysfs.c f2fs: remove write attribute of main_blkaddr sysfs node 2020-07-08 10:11:19 -07:00
trace.c
trace.h f2fs: Use the correct style for SPDX License Identifier 2020-05-08 06:55:55 -07:00
verity.c mm: add page_cache_readahead_unbounded 2020-06-02 10:59:06 -07:00
xattr.c f2fs: use kmem_cache pool during inline xattr lookups 2020-03-22 21:16:27 -07:00
xattr.h f2fs: code cleanup by removing ifdef macro surrounding 2020-05-26 18:56:10 -07:00