linux-kernel - Re: [PATCH 2/8] blk-iocost: Reset vtime_base_rate in ioc_refresh

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Message-ID: <Y02mHfatp0FZI650@slm.duckdns.org>
Date:   Mon, 17 Oct 2022 08:59:41 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Kemeng Shi <shikemeng@...wei.com>
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/8] blk-iocost: Reset vtime_base_rate in
 ioc_refresh_params

On Mon, Oct 17, 2022 at 10:00:05AM +0800, Kemeng Shi wrote:
> Since commit ac33e91e2daca("blk-iocost: implement vtime loss compensation")
> split vtime_rate into vtime_rate and vtime_base_rate, we need reset both
> vtime_base_rate and vtime_rate when device parameters are refreshed.
> If vtime_base_rate is no reset here, vtime_rate will be overwritten with
> old vtime_base_rate soon in ioc_refresh_vrate.
> 
> Signed-off-by: Kemeng Shi <shikemeng@...wei.com>

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

Thanks.

-- 
tejun