linux-kernel - [PATCH v2 1/9] blk-mq: remove blk_mq_in

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Message-Id: <20250427082928.131295-2-yukuai1@huaweicloud.com>
Date: Sun, 27 Apr 2025 16:29:20 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: hch@...radead.org,
	axboe@...nel.dk,
	xni@...hat.com,
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Subject: [PATCH v2 1/9] blk-mq: remove blk_mq_in_flight()

From: Yu Kuai <yukuai3@...wei.com>

It's not used and can be removed.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 block/blk-mq.c | 10 ----------
 block/blk-mq.h |  2 --
 2 files changed, 12 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index c2697db59109..301dbd3e1743 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -101,16 +101,6 @@ static bool blk_mq_check_inflight(struct request *rq, void *priv)
 	return true;
 }
 
-unsigned int blk_mq_in_flight(struct request_queue *q,
-		struct block_device *part)
-{
-	struct mq_inflight mi = { .part = part };
-
-	blk_mq_queue_tag_busy_iter(q, blk_mq_check_inflight, &mi);
-
-	return mi.inflight[0] + mi.inflight[1];
-}
-
 void blk_mq_in_flight_rw(struct request_queue *q, struct block_device *part,
 		unsigned int inflight[2])
 {
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 3011a78cf16a..a23d5812d08f 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -246,8 +246,6 @@ static inline bool blk_mq_hw_queue_mapped(struct blk_mq_hw_ctx *hctx)
 	return hctx->nr_ctx && hctx->tags;
 }
 
-unsigned int blk_mq_in_flight(struct request_queue *q,
-		struct block_device *part);
 void blk_mq_in_flight_rw(struct request_queue *q, struct block_device *part,
 		unsigned int inflight[2]);
 
-- 
2.39.2