linux-kernel - Re: [PATCH v2 3/5] blk-iocost: Move the usage ratio calculation to the correct place

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Message-ID: <X8fxexrw/QLoqq7I@mtj.duckdns.org>
Date:   Wed, 2 Dec 2020 14:56:43 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Baolin Wang <baolin.wang@...ux.alibaba.com>
Cc:     axboe@...nel.dk, baolin.wang7@...il.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/5] blk-iocost: Move the usage ratio calculation to
 the correct place

On Thu, Nov 26, 2020 at 04:16:13PM +0800, Baolin Wang wrote:
> We only use the hweight based usage ratio to calculate the new
> hweight_inuse of the iocg to decide if this iocg can donate some
> surplus vtime.
> 
> Thus move the usage ratio calculation to the correct place to
> avoid unnecessary calculation for some vtime shortage iocgs.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun