linux-kernel - [PATCH 8/9] nvmet: fix the potential bug and use bio_chain_and

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Message-Id: <20251121081748.1443507-9-zhangshida@kylinos.cn>
Date: Fri, 21 Nov 2025 16:17:47 +0800
From: zhangshida <starzhangzsd@...il.com>
To: linux-kernel@...r.kernel.org
Cc: linux-block@...r.kernel.org,
	nvdimm@...ts.linux.dev,
	virtualization@...ts.linux.dev,
	linux-nvme@...ts.infradead.org,
	gfs2@...ts.linux.dev,
	ntfs3@...ts.linux.dev,
	linux-xfs@...r.kernel.org,
	zhangshida@...inos.cn,
	starzhangzsd@...il.com
Subject: [PATCH 8/9] nvmet: fix the potential bug and use bio_chain_and_submit for simplification

From: Shida Zhang <zhangshida@...inos.cn>

the prev and new may be in the wrong position...

Signed-off-by: Shida Zhang <zhangshida@...inos.cn>
---
 drivers/nvme/target/io-cmd-bdev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 8d246b8ca60..4af45659bd2 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -312,8 +312,7 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
 					opf, GFP_KERNEL);
 			bio->bi_iter.bi_sector = sector;
 
-			bio_chain(bio, prev);
-			submit_bio(prev);
+			bio_chain_and_submit(prev, bio);
 		}
 
 		sector += sg->length >> 9;
-- 
2.34.1