[PATCH] f2fs: fix missing unlock(sbi->gc_mutex)

This fixes missing unlock call.

Cc: stable@vger.kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org --- fs/f2fs/super.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b79677639108..2689a2cb56cc 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1462,6 +1462,9 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)

while (!f2fs_time_over(sbi, DISABLE_TIME)) { err = f2fs_gc(sbi, true, false, NULL_SEGNO); + + /* f2fs_gc guarantees unlock gc_mutex */ + mutex_lock(&sbi->gc_mutex); if (err == -ENODATA) break; if (err && err != -EAGAIN) {