linux-kernel - Re: [PATCH] blk-ioprio: Introduce promote-to-rt policy

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Message-ID: <0290f608-6ddf-ecb7-4c05-55b0f7dbfbea@acm.org>
Date:   Mon, 13 Feb 2023 09:10:26 -0800
From:   Bart Van Assche <bvanassche@....org>
To:     Hou Tao <houtao@...weicloud.com>, Jan Kara <jack@...e.cz>
Cc:     linux-block@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
        cgroups@...r.kernel.org, Tejun Heo <tj@...nel.org>,
        Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, houtao1@...wei.com
Subject: Re: [PATCH] blk-ioprio: Introduce promote-to-rt policy

On 2/13/23 04:51, Hou Tao wrote:
> Should I keep "none-to-rt" and make it work just like "promote-to-rt" or should
> I just remove "none-to-rt" and add "promote-to-rt" ? I think the latter will be
> more appropriate.

Removing none-to-rt would break existing systems that use this policy. I 
prefer the former solution.

Thanks,

Bart.