Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 12 Nov 2018 10:54:08 -0500
From:   Josef Bacik <josef@toxicpanda.com>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     Paolo Valente <paolo.valente@linaro.org>,
        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
Subject: Re: [PATCH 00/12] unify the interface of the proportional-share
 policy in blkio/io
Message-ID: <20181112155406.rtx7ze2l3gadmiyx@MacBook-Pro-91.local>
References: <20181112095632.69114-1-paolo.valente@linaro.org>
 <9e8adb3271680165d85994a225713391@natalenko.name>
 <E8A20452-A73C-4A31-B5EC-48EFB9937832@linaro.org>
 <e85cfae0-7743-8c51-c2c9-0855c26f868e@kernel.dk>
 <F0F86365-D4EC-43F0-AE13-CC8FA6CC3D97@linaro.org>
 <c665a05b-66fc-6b8a-fa73-1c76885053db@kernel.dk>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <c665a05b-66fc-6b8a-fa73-1c76885053db@kernel.dk>
User-Agent: NeoMutt/20180716
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Nov 12, 2018 at 08:48:35AM -0700, Jens Axboe wrote:
> 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.
> 

It may not be useful currently, but my plans are to do a scheduler agnostic
proportional io controller next, so having these interfaces unified would be
nice so I don't have to do a rqos.io.weight or something similar.  Thanks,

Josef