f2fs: fix to avoid potential race on sbi->unusable_block_count access/update
authorChao Yu <yuchao0@huawei.com>
Sun, 5 May 2019 03:40:46 +0000 (11:40 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 9 May 2019 04:23:13 +0000 (21:23 -0700)
commitc9c8ed50d94c613fc3f4917c51e9c75d493a312e
tree161bfa38f995f3fceae4c60d4d9ba1f85384a7f2
parentd764834378a9870ca56e9b2977ea46e9911ec358
f2fs: fix to avoid potential race on sbi->unusable_block_count access/update

Use sbi.stat_lock to protect sbi->unusable_block_count accesss/udpate, in
order to avoid potential race on it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/checkpoint.c
fs/f2fs/segment.c
fs/f2fs/super.c