From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] doc: cgroup: add f2fs and xfs to supported list for
 writeback
Date: Wed, 1 Jul 2020 09:32:24 +0100
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 <20200630054217.GA27221@infradead.org>
 <59265a9d-ee0f-4432-3f86-00d076aeb8e8@sandeen.net>
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To: Eric Sandeen <sandeen@sandeen.net>
Cc: Christoph Hellwig <hch@infradead.org>, Eric Sandeen <sandeen@redhat.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jonathan Corbet <corbet@lwn.net>, cgroups@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs <linux-xfs@vger.kernel.org>

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@redhat.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