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From: Yunlong Xing <yunlong.xing@unisoc.com>
To: <axboe@kernel.dk>, <linux-block@vger.kernel.org>, <bvanassche@acm.org>
Cc: <niuzhiguo84@gmail.com>, <yunlongxing23@gmail.com>,
	<linux-kernel@vger.kernel.org>, <hao_hao.wang@unisoc.com>,
	<zhiguo.niu@unisoc.com>
Subject: [PATCH V2] loop: aio inherit the ioprio of original request
Date: Mon, 14 Apr 2025 11:01:59 +0800	[thread overview]
Message-ID: <20250414030159.501180-1-yunlong.xing@unisoc.com> (raw)

Set cmd->iocb.ki_ioprio to the ioprio of loop device's request.
The purpose is to inherit the original request ioprio in the aio
flow.

Signed-off-by: Yunlong Xing <yunlong.xing@unisoc.com>
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>=
---
V2:
- Assign cmd->iocb.ki_ioprio in lo_rw_aio()
---
 drivers/block/loop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 674527d770dc..dd7f33d47f4f 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -447,7 +447,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
 	cmd->iocb.ki_filp = file;
 	cmd->iocb.ki_complete = lo_rw_aio_complete;
 	cmd->iocb.ki_flags = IOCB_DIRECT;
-	cmd->iocb.ki_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
+	cmd->iocb.ki_ioprio = req_get_ioprio(rq);
 
 	if (rw == ITER_SOURCE)
 		ret = file->f_op->write_iter(&cmd->iocb, &iter);
-- 
2.25.1


             reply	other threads:[~2025-04-14  3:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-14  3:01 Yunlong Xing [this message]
2025-04-14  6:12 ` [PATCH V2] loop: aio inherit the ioprio of original request Christoph Hellwig
2025-04-14 14:47   ` Jens Axboe
2025-04-16  4:32     ` Christoph Hellwig
2025-04-16 14:58       ` Jens Axboe
2025-04-14 14:48 ` Jens Axboe

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