linux-kernel - Re: [RFC PATCH] blk-throttle: add burst allowance.

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Message-ID: <20171207194333.GB4067@redhat.com>
Date:   Thu, 7 Dec 2017 14:43:34 -0500
From:   Vivek Goyal <vgoyal@...hat.com>
To:     Shaohua Li <shli@...nel.org>
Cc:     Khazhismel Kumykov <khazhy@...gle.com>, axobe@...nel.dk,
        shli@...com, tj@...nel.org, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org
Subject: Re: [RFC PATCH] blk-throttle: add burst allowance.

On Thu, Nov 16, 2017 at 08:50:33AM -0800, Shaohua Li wrote:

[..]
> Can you describe why we need this? It would be great if you can describe the
> usage model and an example. Does this work for io.low/io.max or both?

Hi Shaohua,

Is there any documentation for "io.low" somewhere now. Should we update
cgroup-v2.txt? Just reading through BLK_DEV_THROTTLING_LOW description
does not give me enough idea to know what it is.

Thanks
Vivek