linux-kernel - [PATCH v3 1/9] blk-mq: remove blk_mq_in

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Message-Id: <20250506124903.2540268-1-yukuai1@huaweicloud.com>
Date: Tue,  6 May 2025 20:48:54 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	agk@...hat.com,
	song@...nel.org,
	hch@....de,
	john.g.garry@...cle.com,
	hare@...e.de,
	xni@...hat.com,
	pmenzel@...gen.mpg.de
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	dm-devel@...ts.linux.dev,
	linux-raid@...r.kernel.org,
	yukuai3@...wei.com,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	johnny.chenyi@...wei.com
Subject: [PATCH v3 1/9] blk-mq: remove blk_mq_in_flight()

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

After commit 7be835694dae ("block: fix that util can be greater than
100%"), it's not used and can be removed.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: John Garry <john.g.garry@...cle.com>
Reviewed-by: Hannes Reinecke <hare@...e.de>
---
 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 83c651a7facd..45989960a89d 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 d15ff1e130c8..eeac0d47c878 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