linux-kernel - [RFC PATCH] blk-mq: change bio_set

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Date:   Tue, 30 Aug 2022 17:45:46 +0800
From:   Liu Song <liusong@...ux.alibaba.com>
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH] blk-mq: change bio_set_ioprio to inline

From: Liu Song <liusong@...ux.alibaba.com>

Change "bio_set_ioprio" to inline to avoid calling overhead.

Signed-off-by: Liu Song <liusong@...ux.alibaba.com>
---
 block/blk-mq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index c96c8c4..a17bc83 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2766,7 +2766,7 @@ static inline struct request *blk_mq_get_cached_request(struct request_queue *q,
 	return rq;
 }
 
-static void bio_set_ioprio(struct bio *bio)
+static inline void bio_set_ioprio(struct bio *bio)
 {
 	/* Nobody set ioprio so far? Initialize it based on task's nice value */
 	if (IOPRIO_PRIO_CLASS(bio->bi_ioprio) == IOPRIO_CLASS_NONE)
-- 
1.8.3.1