f2fs: use lock_buffer when changing superblock
authorJaegeuk Kim <jaegeuk@kernel.org>
Mon, 7 Dec 2015 18:18:54 +0000 (10:18 -0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Wed, 9 Dec 2015 17:53:18 +0000 (09:53 -0800)
commitea212a4a7a432e0ecd0f0f53971b70172b3e7f96
tree6b93d189c07456be4ed6758a6900ef5af6ed4b20
parent5d909cdbbba244ecb4c2dfc4dc3e3bc29529fb05
f2fs: use lock_buffer when changing superblock

When modifying sb contents, we need to use lock its buffer.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/file.c