linux-kernel - [PATCH] block: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP

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Date:   Wed, 29 Jun 2022 14:24:09 +0800
From:   sunying@...iscas.ac.cn
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ying Sun <sunying@...iscas.ac.cn>
Subject: [PATCH] block: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP_IOCOST dependency

From: Ying Sun <sunying@...iscas.ac.cn>

The configuration item BLK_RQ_IO_DATA_LEN is not declared in the kernel.
Select BLK_RQ_IO_DATA_LEN is meaningless which could be removed.

Signed-off-by: Ying Sun <sunying@...iscas.ac.cn>
---
 block/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/Kconfig b/block/Kconfig
index 50b17e260fa2..444c5ab3b67e 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -147,7 +147,6 @@ config BLK_CGROUP_FC_APPID
 config BLK_CGROUP_IOCOST
 	bool "Enable support for cost model based cgroup IO controller"
 	depends on BLK_CGROUP
-	select BLK_RQ_IO_DATA_LEN
 	select BLK_RQ_ALLOC_TIME
 	help
 	Enabling this option enables the .weight interface for cost
-- 
2.17.1