From: Jens Axboe <axboe@kernel.dk>
To: Josef Bacik <josef@toxicpanda.com>
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>,
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
Date: Mon, 12 Nov 2018 09:05:50 -0700 [thread overview]
Message-ID: <6b6ac3db-1f19-a290-4662-3c10b2b81ed8@kernel.dk> (raw)
In-Reply-To: <20181112155406.rtx7ze2l3gadmiyx@MacBook-Pro-91.local>
On 11/12/18 8:54 AM, Josef Bacik wrote:
> 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,
I'm not saying the work isn't useful, I'm saying that we can't go adding
different interfaces to stable kernels than what we currently have in
tip. I'm all for unified interfaces for this kind of thing, it's much
better than having something that's specific to any given
implementation.
--
Jens Axboe
next prev parent reply other threads:[~2018-11-12 16:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 9:56 [PATCH 00/12] unify the interface of the proportional-share policy in blkio/io Paolo Valente
2018-11-12 9:56 ` [PATCH 01/12] kernfs: add function to find kernfs_node without increasing ref counter Paolo Valente
2018-11-12 12:28 ` Greg Kroah-Hartman
2018-11-13 1:56 ` Matthew Wilcox
2018-11-13 17:53 ` Paolo Valente
2018-11-13 19:35 ` Greg Kroah-Hartman
2018-11-12 9:56 ` [PATCH 02/12] cgroup: add hook seq_show_cft with also the owning cftype as parameter Paolo Valente
2018-11-12 9:56 ` [PATCH 03/12] block, cgroup: pass cftype to functions that need to use it Paolo Valente
2018-11-12 9:56 ` [PATCH 04/12] cgroup: link cftypes of the same subsystem with the same name Paolo Valente
2018-11-12 9:56 ` [PATCH 05/12] cgroup: add owner name to cftypes Paolo Valente
2018-11-12 9:56 ` [PATCH 06/12] block, bfq: align min and default weights with cfq Paolo Valente
2018-11-12 9:56 ` [PATCH 07/12] cgroup: make all functions of all cftypes be invoked Paolo Valente
2018-11-12 9:56 ` [PATCH 08/12] block, cfq: allow cgroup files to be shared Paolo Valente
2018-11-12 9:56 ` [PATCH 09/12] block, bfq: use standard file names for the proportional-share policy Paolo Valente
2018-11-12 9:56 ` [PATCH 10/12] block, throttle: allow sharing cgroup statistic files Paolo Valente
2018-11-12 9:56 ` [PATCH 11/12] doc, bfq-iosched: fix a few clerical errors Paolo Valente
2018-11-12 9:56 ` [PATCH 12/12] doc, bfq-iosched: make it consistent with the new cgroup interface Paolo Valente
2018-11-12 9:58 ` [PATCH 00/12] unify the interface of the proportional-share policy in blkio/io Paolo Valente
2018-11-12 10:00 ` Oleksandr Natalenko
2018-11-12 10:14 ` Oleksandr Natalenko
2018-11-12 10:17 ` Paolo Valente
2018-11-12 15:35 ` Jens Axboe
2018-11-12 15:45 ` Paolo Valente
2018-11-12 15:48 ` Jens Axboe
2018-11-12 15:54 ` Josef Bacik
2018-11-12 16:05 ` Jens Axboe [this message]
2018-11-15 11:54 ` Angelo Ruocco
[not found] ` <CADiTV-3tSpEMG7EHz3XGvfekNdtN8k_KQiDMtyykgOb81cvO0g@mail.gmail.com>
2018-11-15 15:42 ` Oleksandr Natalenko
2018-11-15 16:30 ` Jens Axboe
2018-11-19 9:46 ` Angelo Ruocco
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