[PATCH AUTOSEL 4.19 141/219] f2fs: fix block address for __check_sit_bitmap

Sasha Levin
2019-11-22T06:23:09Z

From: Qiuyang Sun <sunqiuyang@huawei.com>

[ Upstream commit 9249dded7b5cb539a8c8698b25d08a3c15261470 ]

Should use lstart (logical start address) instead of start (in dev) here.
This fixes a bug in multi-device scenarios.

Signed-off-by: Qiuyang Sun <sunqiuyang@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/segment.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 10d5dcdb34be6..01cb87b12d40b 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1101,7 +1101,7 @@ static int __submit_discard_cmd(struct f2fs_sb_info *sbi,
list_move_tail(&dc->list, wait_list);

/* sanity check on discard range */
- __check_sit_bitmap(sbi, start, start + len);
+ __check_sit_bitmap(sbi, lstart, lstart + len);

bio->bi_private = dc;
bio->bi_end_io = f2fs_submit_discard_endio;
--
2.20.1