linux-kernel - [PATCH v2 12/12] nvmet: use bio_chain_and

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Message-Id: <20251128083219.2332407-13-zhangshida@kylinos.cn>
Date: Fri, 28 Nov 2025 16:32:19 +0800
From: zhangshida <starzhangzsd@...il.com>
To: Johannes.Thumshirn@....com,
	hch@...radead.org,
	gruenba@...hat.com,
	ming.lei@...hat.com,
	siangkao@...ux.alibaba.com
Cc: linux-block@...r.kernel.org,
	linux-bcache@...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,
	linux-kernel@...r.kernel.org,
	zhangshida@...inos.cn,
	starzhangzsd@...il.com
Subject: [PATCH v2 12/12] nvmet: use bio_chain_and_submit to simplify bio chaining

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

Replace repetitive bio chaining patterns with bio_chain_and_submit.
Note that while the parameter order (prev vs new) differs from the
original code, the chaining order does not affect bio chain
functionality.

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