linux-kernel - [PATCH 1/7] block: convert nr

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Message-Id: <20250930071111.1218494-2-yukuai1@huaweicloud.com>
Date: Tue, 30 Sep 2025 15:11:05 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	bvanassche@....org,
	ming.lei@...hat.com,
	nilay@...ux.ibm.com
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	yukuai3@...wei.com,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	johnny.chenyi@...wei.com
Subject: [PATCH 1/7] block: convert nr_requests to unsigned int

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

This value represents the number of requests for elevator tags, or drivers
tags if elevator is none. The max value for elevator tags is 2048, and
in drivers at most 16 bits is used for tag.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 include/linux/blkdev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 066e5309bd45..02c006fb94c5 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -541,7 +541,7 @@ struct request_queue {
 	/*
 	 * queue settings
 	 */
-	unsigned long		nr_requests;	/* Max # of requests */
+	unsigned int		nr_requests;	/* Max # of requests */
 
 #ifdef CONFIG_BLK_INLINE_ENCRYPTION
 	struct blk_crypto_profile *crypto_profile;
-- 
2.39.2