From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 00/12] unify the interface of the proportional-share
 policy in blkio/io
Date: Mon, 12 Nov 2018 08:48:35 -0700
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To: Paolo Valente <paolo.valente@linaro.org>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>, Angelo Ruocco <angeloruocco90@gmail.com>, Dennis Zhou <dennis@kernel.org>, Josef Bacik <josef@toxicpanda.com>, Liu Bo <bo.liu@linux.alibaba.com>, Bart Van Assche <bvanassche@acm.org>, Johannes Weiner <hannes@cmpxchg.org>, linux-block <linux-block@vger.kernel.org>, linux-kernel <linux-kernel@vger.kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, Linus Walleij <linus.walleij@linaro.org>, Mark Brown <broonie@kernel.org>, 'Paolo Valente' via bfq-iosched <bfq-iosched@googlegroups.com>, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>, lennart@poettering.net

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