linux-kernel - [PATCH 4/4] blk-cgroup: change BLKCG_MAX

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Message-Id: <20230328145701.33699-4-zhouchengming@bytedance.com>
Date:   Tue, 28 Mar 2023 22:57:01 +0800
From:   Chengming Zhou <zhouchengming@...edance.com>
To:     paolo.valente@...aro.org, axboe@...nel.dk, tj@...nel.org,
        josef@...icpanda.com
Cc:     linux-block@...r.kernel.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Chengming Zhou <zhouchengming@...edance.com>
Subject: [PATCH 4/4] blk-cgroup: change BLKCG_MAX_POLS back to 5

BLKCG_MAX_POLS is changed from 5 to 6 when mq-deadline-cgroup introduced,
then commit 0f7839955114 ("Revert "block/mq-deadline: Add cgroup support"")
reverted it. So change BLKCG_MAX_POLS back to 5.

Signed-off-by: Chengming Zhou <zhouchengming@...edance.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 941304f17492..398f288bcf30 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -54,7 +54,7 @@ extern struct class block_class;
  * Maximum number of blkcg policies allowed to be registered concurrently.
  * Defined here to simplify include dependency.
  */
-#define BLKCG_MAX_POLS		6
+#define BLKCG_MAX_POLS		5
 
 #define DISK_MAX_PARTS			256
 #define DISK_NAME_LEN			32
-- 
2.39.2