linux-kernel - Re: [PATCH 00/12] unify the interface of the proportional-share policy in blkio/io

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Message-ID: <c665a05b-66fc-6b8a-fa73-1c76885053db@kernel.dk>
Date:   Mon, 12 Nov 2018 08:48:35 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Paolo Valente <paolo.valente@...aro.org>
Cc:     Oleksandr Natalenko <oleksandr@...alenko.name>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Angelo Ruocco <angeloruocco90@...il.com>,
        Dennis Zhou <dennis@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        Liu Bo <bo.liu@...ux.alibaba.com>,
        Bart Van Assche <bvanassche@....org>,
        Johannes Weiner <hannes@...xchg.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        'Paolo Valente' via bfq-iosched 
        <bfq-iosched@...glegroups.com>, cgroups@...r.kernel.org,
        linux-doc@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        lennart@...ttering.net
Subject: Re: [PATCH 00/12] unify the interface of the proportional-share
 policy in blkio/io

On 11/12/18 8:45 AM, Paolo Valente wrote:
> BTW, since this patch series is probably even more useful for older
> than for future kernels, might it make sense to also propose it for
> stable/longterm kernels (provided that such a possibility exists)?

That just not how things work, we don't put different things in
older/stable kernels, it's strictly backports of what we have in
current/newer kernels. Hence it appears to be a dead end right now.

-- 
Jens Axboe