linux-kernel - Re: [PATCH -next 1/5] blk-iocost: disable writeback throttling

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Message-ID: <Y0Wf01w6iNbvxgya@slm.duckdns.org>
Date:   Tue, 11 Oct 2022 06:54:43 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yukuai3@...wei.com,
        yi.zhang@...wei.com
Subject: Re: [PATCH -next 1/5] blk-iocost: disable writeback throttling

On Tue, Oct 11, 2022 at 04:35:43PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@...wei.com>
> 
> Commit b5dc5d4d1f4f ("block,bfq: Disable writeback throttling") disable
> wbt for bfq, because different write-throttling heuristics should not
> work together.
> 
> For the same reason, wbt and iocost should not work together as well,
> unless admin really want to do that, dispite that performance is
> affected.
> 
> Signed-off-by: Yu Kuai <yukuai3@...wei.com>

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

Thanks.

-- 
tejun