* [PATCH AUTOSEL 5.15 3/6] loop: aio inherit the ioprio of original request
[not found] <20250422021846.1941972-1-sashal@kernel.org>
@ 2025-04-22 2:18 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2025-04-22 2:18 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Yunlong Xing, Zhiguo Niu, Christoph Hellwig, Jens Axboe,
Sasha Levin, linux-block
From: Yunlong Xing <yunlong.xing@unisoc.com>
[ Upstream commit 1fdb8188c3d505452b40cdb365b1bb32be533a8e ]
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>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250414030159.501180-1-yunlong.xing@unisoc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 1d60d5ac0db80..cae3cda6a482a 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -605,7 +605,7 @@ 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 == WRITE)
ret = call_write_iter(file, &cmd->iocb, &iter);
--
2.39.5
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