linux-kernel - [PATCH] block: Use helper function blk_mq_sched_needs

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Date:   Sat, 5 Sep 2020 05:42:33 -0400
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <axboe@...nel.dk>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] block: Use helper function blk_mq_sched_needs_restart()

Use helper function blk_mq_sched_needs_restart() to check if hardware queue
needs restart.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 block/blk-mq-sched.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index d2790e5b06d1..dc837fd26e17 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -65,7 +65,7 @@ void blk_mq_sched_assign_ioc(struct request *rq)
  */
 void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx)
 {
-	if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state))
+	if (blk_mq_sched_needs_restart(hctx))
 		return;
 
 	set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state);
@@ -74,7 +74,7 @@ EXPORT_SYMBOL_GPL(blk_mq_sched_mark_restart_hctx);
 
 void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx)
 {
-	if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state))
+	if (!blk_mq_sched_needs_restart(hctx))
 		return;
 	clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state);
 
-- 
2.19.1