linux-kernel - Re: [PATCH V7 00/18] blk-throttle: add .low limit

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Message-ID: <dfc4078b-a130-2997-9c44-20d3d17db9cc@kernel.dk>
Date:   Mon, 27 Mar 2017 12:15:29 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Shaohua Li <shli@...com>, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org
Cc:     tj@...nel.org, Vivek Goyal <vgoyal@...hat.com>, jmoyer@...hat.com,
        Kernel-team@...com
Subject: Re: [PATCH V7 00/18] blk-throttle: add .low limit

On 03/27/2017 11:51 AM, Shaohua Li wrote:
> V6->V7:
> - Don't overload blk stat, which will simplify the code. This will add extra
>   space in bio/request though with the low interface configure option on.

Hmm, why? As far as I can see, it just makes things worse.

-- 
Jens Axboe