linux-ext4 - Re: [PATCH 06/11] xfs: factor out a xfs_setup

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Date:   Wed, 27 Oct 2021 16:37:01 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     "Darrick J. Wong" <djwong@...nel.org>,
        Mike Snitzer <snitzer@...hat.com>,
        Ira Weiny <ira.weiny@...el.com>,
        device-mapper development <dm-devel@...hat.com>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        Linux NVDIMM <nvdimm@...ts.linux.dev>,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-erofs@...ts.ozlabs.org,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 06/11] xfs: factor out a xfs_setup_dax helper

On Tue, Oct 19, 2021 at 12:24 AM Christoph Hellwig <hch@....de> wrote:
>
> On Mon, Oct 18, 2021 at 09:43:51AM -0700, Darrick J. Wong wrote:
> > > --- a/fs/xfs/xfs_super.c
> > > +++ b/fs/xfs/xfs_super.c
> > > @@ -339,6 +339,32 @@ xfs_buftarg_is_dax(
> > >                     bdev_nr_sectors(bt->bt_bdev));
> > >  }
> > >
> > > +static int
> > > +xfs_setup_dax(
> >
> > /me wonders if this should be named xfs_setup_dax_always, since this
> > doesn't handle the dax=inode mode?
>
> Sure, why not.

I went ahead and made that change locally.

>
> > The only reason I bring that up is that Eric reminded me a while ago
> > that we don't actually print any kind of EXPERIMENTAL warning for the
> > auto-detection behavior.
>
> Yes, I actually noticed that as well when preparing this series.

The rest looks good to me.