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| author |   Chao Yu <chao@kernel.org> | 2024-01-24 22:49:15 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2024-02-05 18:58:41 -0800 |
| commit | 21ec68234826b1b54ab980a8df6e33c74cfbee58 (patch) | |
| tree | c31c6a934a70fe3865268db396b803a0f5db9c47 /Documentation/filesystems | |
| parent | f2fs: use IS_INODE replace IS_DNODE in f2fs_flush_inline_data (diff) | |
| download | wireguard-linux-21ec68234826b1b54ab980a8df6e33c74cfbee58.tar.xz wireguard-linux-21ec68234826b1b54ab980a8df6e33c74cfbee58.zip | |
f2fs: fix to avoid potential panic during recovery
During recovery, if FAULT_BLOCK is on, it is possible that
f2fs_reserve_new_block() will return -ENOSPC during recovery,
then it may trigger panic.
Also, if fault injection rate is 1 and only FAULT_BLOCK fault
type is on, it may encounter deadloop in loop of block reservation.
Let's change as below to fix these issues:
- remove bug_on() to avoid panic.
- limit the loop count of block reservation to avoid potential
deadloop.
Fixes: 956fa1ddc132 ("f2fs: fix to check return value of f2fs_reserve_new_block()")
Reported-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/filesystems')
0 files changed, 0 insertions, 0 deletions