On 2018/12/18 10:15, Jaegeuk Kim wrote:
> This fixes missing unlock call.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> ---
> 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 */
How about:
while () {
mutex_lock(&sbi->gc_mutex);
err = f2fs_gc();
if (err) {
handle error cases..
}
}
Thanks,
> + mutex_lock(&sbi->gc_mutex);
> if (err == -ENODATA)
> break;
> if (err && err != -EAGAIN) {
>
