[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20220818063555.3741222-1-yukuai1@huaweicloud.com>
Date: Thu, 18 Aug 2022 14:35:55 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
yukuai3@...wei.com, yukuai1@...weicloud.com, yi.zhang@...wei.com
Subject: [PATCH -next] blk-mq: remove unused function blk_mq_queue_stopped()
From: Yu Kuai <yukuai3@...wei.com>
blk_mq_queue_stopped() doesn't have any caller, which was found by
code coverage test, thus remove it.
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
block/blk-mq.c | 20 --------------------
include/linux/blk-mq.h | 1 -
2 files changed, 21 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 5ee62b95f3e5..5568c7d09114 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2229,26 +2229,6 @@ void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs)
}
EXPORT_SYMBOL(blk_mq_delay_run_hw_queues);
-/**
- * blk_mq_queue_stopped() - check whether one or more hctxs have been stopped
- * @q: request queue.
- *
- * The caller is responsible for serializing this function against
- * blk_mq_{start,stop}_hw_queue().
- */
-bool blk_mq_queue_stopped(struct request_queue *q)
-{
- struct blk_mq_hw_ctx *hctx;
- unsigned long i;
-
- queue_for_each_hw_ctx(q, hctx, i)
- if (blk_mq_hctx_stopped(hctx))
- return true;
-
- return false;
-}
-EXPORT_SYMBOL(blk_mq_queue_stopped);
-
/*
* This function is often used for pausing .queue_rq() by driver when
* there isn't enough resource or some conditions aren't satisfied, and
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index effee1dc715a..92294a5fb083 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -857,7 +857,6 @@ void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
void blk_mq_complete_request(struct request *rq);
bool blk_mq_complete_request_remote(struct request *rq);
-bool blk_mq_queue_stopped(struct request_queue *q);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_stop_hw_queues(struct request_queue *q);
--
2.31.1
Powered by blists - more mailing lists