linux-kernel - [PATCH] Remove unnecessary invoking of wbt_update_limits in wbt

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Message-Id: <1605259024-21764-1-git-send-email-lennychen@tencent.com>
Date:   Fri, 13 Nov 2020 17:17:04 +0800
From:   chenlei0x@...il.com
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lei Chen <lennychen@...cent.com>
Subject: [PATCH] Remove unnecessary invoking of wbt_update_limits in wbt_init

From: Lei Chen <lennychen@...cent.com>

It's unnecessary to call wbt_update_limits explicitly within wbt_init,
because it will be called in the following function wbt_queue_depth_changed.

Signed-off-by: Lei Chen <lennychen@...cent.com>
---
 block/blk-wbt.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index fd41008..0321ca8 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -835,7 +835,6 @@ int wbt_init(struct request_queue *q)
 	rwb->enable_state = WBT_STATE_ON_DEFAULT;
 	rwb->wc = 1;
 	rwb->rq_depth.default_depth = RWB_DEF_DEPTH;
-	wbt_update_limits(rwb);
 
 	/*
 	 * Assign rwb and add the stats callback.
-- 
1.8.3.1