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References: <20221102161031.5820-1-vishal.moola@gmail.com> <20221103070807.GX2703033@dread.disaster.area>
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From:   Vishal Moola <vishal.moola@gmail.com>
Date:   Thu, 3 Nov 2022 09:38:48 -0700
Message-ID: <CAOzc2pzFMU-XiGZ9bsp40JkpYVSzQuxs2VXgfw_p9abkj4GrFw@mail.gmail.com>
Subject: Re: [PATCH v4 00/23] Convert to filemap_get_folios_tag()
To:     Dave Chinner <david@fromorbit.com>
Cc:     linux-fsdevel@vger.kernel.org, linux-afs@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org,
        ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org,
        linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net,
        cluster-devel@redhat.com, linux-nilfs@vger.kernel.org,
        linux-mm@kvack.org
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On Thu, Nov 3, 2022 at 12:08 AM Dave Chinner <david@fromorbit.com> wrote:
>
> On Wed, Nov 02, 2022 at 09:10:08AM -0700, Vishal Moola (Oracle) wrote:
> > This patch series replaces find_get_pages_range_tag() with
> > filemap_get_folios_tag(). This also allows the removal of multiple
> > calls to compound_head() throughout.
> > It also makes a good chunk of the straightforward conversions to folios,
> > and takes the opportunity to introduce a function that grabs a folio
> > from the pagecache.
> >
> > F2fs and Ceph have quite a lot of work to be done regarding folios, so
> > for now those patches only have the changes necessary for the removal of
> > find_get_pages_range_tag(), and only support folios of size 1 (which is
> > all they use right now anyways).
> >
> > I've run xfstests on btrfs, ext4, f2fs, and nilfs2, but more testing may be
> > beneficial. The page-writeback and filemap changes implicitly work. Testing
> > and review of the other changes (afs, ceph, cifs, gfs2) would be appreciated.
>
> Same question as last time: have you tested this with multipage
> folios enabled? If you haven't tested XFS, then I'm guessing the
> answer is no, and you haven't fixed the bug I pointed out in
> the write_cache_pages() implementation....
>

I haven't tested the series with multipage folios or XFS.

I don't seem to have gotten your earlier comments, and I
can't seem to find them on the mailing lists. Could you
please send them again so I can take a look?