linux-kernel - [PATCH 02/16] blk-mq: remove useless checking from queue_requests

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Message-Id: <20250814033522.770575-3-yukuai1@huaweicloud.com>
Date: Thu, 14 Aug 2025 11:35:08 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	yukuai3@...wei.com,
	bvanassche@....org,
	nilay@...ux.ibm.com,
	hare@...e.de,
	ming.lei@...hat.com
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	johnny.chenyi@...wei.com
Subject: [PATCH 02/16] blk-mq: remove useless checking from queue_requests_store()

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

blk_mq_queue_attr_visible() already checked queue_is_mq(), no need to
check this again in queue_requests_store().

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 block/blk-sysfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index c5cf79a20842..1086f7b9da28 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -69,9 +69,6 @@ queue_requests_store(struct gendisk *disk, const char *page, size_t count)
 	unsigned int memflags;
 	struct request_queue *q = disk->queue;
 
-	if (!queue_is_mq(q))
-		return -EINVAL;
-
 	ret = queue_var_store(&nr, page, count);
 	if (ret < 0)
 		return ret;
-- 
2.39.2