f2fs: fix block address for __check_sit_bitmap

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>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d9a3345a244ae6e55cf8d5532169c7c9548a63f7..009971ea8f08d38ffca643b66ed26127f2cfa7d0 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1151,7 +1151,7 @@ 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;