From: Qiuyang Sun <sunqiuyang@huawei.com>
Date: Tue, 18 Dec 2018 09:32:23 +0000 (+0800)
Subject: f2fs: fix block address for __check_sit_bitmap
X-Git-Tag: v4.19.88~136
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=75491eae5fff246e21c5fcff65a989d6806c4d03;p=thirdparty%2Fkernel%2Fstable.git

f2fs: fix block address for __check_sit_bitmap

[ 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>
---

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 43a07514c3574..a807a8d5e38f0 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -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;