Re: [PATCH v4 00/23] Convert to filemap_get_folios_tag()

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On Thu, Nov 03, 2022 at 09:38:48AM -0700, Vishal Moola wrote:
> On Thu, Nov 3, 2022 at 12:08 AM Dave Chinner <david@xxxxxxxxxxxxx> 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?

They are in the lore -fsdevel archive - no idea why you couldn't
find them....

https://lore.kernel.org/linux-fsdevel/20221018210152.GH2703033@xxxxxxxxxxxxxxxxxxx/
https://lore.kernel.org/linux-fsdevel/20221018214544.GI2703033@xxxxxxxxxxxxxxxxxxx/

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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