Received-SPF: pass (google.com: domain of linux-kernel+bounces-2909-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Hongyu Jin <hongyu.jin.cn@gmail.com>
To: agk@redhat.com,
	snitzer@kernel.org,
	mpatocka@redhat.com,
	axboe@kernel.dk,
	ebiggers@kernel.org
Cc: zhiguo.niu@unisoc.com,
	ke.wang@unisoc.com,
	yibin.ding@unisoc.com,
	hongyu.jin@unisoc.com,
	linux-kernel@vger.kernel.org,
	dm-devel@lists.linux.dev,
	linux-block@vger.kernel.org
Subject: [PATCH v5 RESEND 5/5] dm-crypt: Fix lost ioprio when queuing write bios
Date: Mon, 18 Dec 2023 09:27:46 +0800
Message-Id: <20231218012746.24442-6-hongyu.jin.cn@gmail.com>
In-Reply-To: <20231218012746.24442-1-hongyu.jin.cn@gmail.com>
References: <CAMQnb4O15c=JC-zkCJD0U9GWwWko+Hez1iU7+cc3vhNSG86p9w@mail.gmail.com>
 <20231218012746.24442-1-hongyu.jin.cn@gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

From: Hongyu Jin <hongyu.jin@unisoc.com>

The original submitting bio->bi_ioprio setting can be retained by
struct dm_crypt_io::base_bio, we set the original bio's ioprio to
the cloned bio for write.

Link: https://lore.kernel.org/dm-devel/alpine.LRH.2.11.1612141049250.13402@mail.ewheeler.net

Signed-off-by: Hongyu Jin <hongyu.jin@unisoc.com>
---
 drivers/md/dm-crypt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 6de107aff331..7149da6555b8 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1683,6 +1683,7 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned int size)
 				 GFP_NOIO, &cc->bs);
 	clone->bi_private = io;
 	clone->bi_end_io = crypt_endio;
+	clone->bi_ioprio = io->base_bio->bi_ioprio;
 
 	remaining_size = size;
 
-- 
2.34.1