linux-kernel - Re: [PATCH] doc: cgroup: add f2fs and xfs to supported list for writeback

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Message-ID: <fcd2ef0f-421e-5905-a6f6-a5147ab12b9f@sandeen.net>
Date:   Wed, 1 Jul 2020 08:25:05 -0500
From:   Eric Sandeen <sandeen@...deen.net>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Eric Sandeen <sandeen@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Jonathan Corbet <corbet@....net>,
        cgroups@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-xfs <linux-xfs@...r.kernel.org>
Subject: Re: [PATCH] doc: cgroup: add f2fs and xfs to supported list for
 writeback

On 7/1/20 3:32 AM, Christoph Hellwig wrote:
> On Tue, Jun 30, 2020 at 08:59:34AM -0500, Eric Sandeen wrote:
>> On 6/30/20 12:42 AM, Christoph Hellwig wrote:
>>> On Mon, Jun 29, 2020 at 02:08:09PM -0500, Eric Sandeen wrote:
>>>> f2fs and xfs have both added support for cgroup writeback:
>>>>
>>>> 578c647 f2fs: implement cgroup writeback support
>>>> adfb5fb xfs: implement cgroup aware writeback
>>>>
>>>> so add them to the supported list in the docs.
>>>>
>>>> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
>>>> ---
>>>>
>>>> TBH I wonder about the wisdom of having this detail in
>>>> the doc, as it apparently gets missed quite often ...
>>>
>>> I'd rather remove the list of file systems.  It has no chance of
>>> staying uptodate.
>>
>> Is there any way for a user to know whether a filesytem does or doesn't
>> support it, in practice?
> 
> git-grep SB_I_CGROUPWB

Sure, but that's not quite what I meant by "a user" :)  So I'll take that
as a no.

Thanks,
-Eric