linux-kernel - [PATCH v5 2/6] blk-wbt: remove unnecessary check in wbt_enable

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Date:   Wed, 19 Oct 2022 20:15:14 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     hch@....de, ebiggers@...gle.com, 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 v5 2/6] blk-wbt: remove unnecessary check in wbt_enable_default()

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

If CONFIG_BLK_WBT_MQ is disabled, wbt_init() won't do anything.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
Reviewed-by: Christoph Hellwig <hch@....de>
---
 block/blk-wbt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index c293e08b301f..c5a8c10028a0 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -651,7 +651,7 @@ void wbt_enable_default(struct request_queue *q)
 	if (!blk_queue_registered(q))
 		return;
 
-	if (queue_is_mq(q) && IS_ENABLED(CONFIG_BLK_WBT_MQ))
+	if (queue_is_mq(q))
 		wbt_init(q);
 }
 EXPORT_SYMBOL_GPL(wbt_enable_default);
-- 
2.31.1