f2fs: fix block address for __check_sit_bitmap
authorQiuyang Sun <sunqiuyang@huawei.com>
Tue, 18 Dec 2018 09:32:23 +0000 (17:32 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Dec 2019 08:20:51 +0000 (09:20 +0100)
[ 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

index 43a07514c357430706847abe2907daf920bfce27..a807a8d5e38f06178c78f4ff3c31513bdb6b62b4 100644 (file)
@@ -1103,7 +1103,7 @@ submit:
                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;