linux-ext4 - Re: [PATCH 01/29] nvdimm/pmem: move dax_attribute

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Date:   Fri, 19 Nov 2021 07:56:45 +0100
From:   Christoph Hellwig <hch@....de>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     Christoph Hellwig <hch@....de>, 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 01/29] nvdimm/pmem: move dax_attribute_group from dax
 to pmem

On Wed, Nov 17, 2021 at 09:44:25AM -0800, Dan Williams wrote:
> On Tue, Nov 9, 2021 at 12:33 AM Christoph Hellwig <hch@....de> wrote:
> >
> > dax_attribute_group is only used by the pmem driver, and can avoid the
> > completely pointless lookup by the disk name if moved there.  This
> > leaves just a single caller of dax_get_by_host, so move dax_get_by_host
> > into the same ifdef block as that caller.
> >
> > Signed-off-by: Christoph Hellwig <hch@....de>
> > Reviewed-by: Dan Williams <dan.j.williams@...el.com>
> > Link: https://lore.kernel.org/r/20210922173431.2454024-3-hch@lst.de
> > Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> 
> This one already made v5.16-rc1.

Yes, but 5.16-rc1 did not exist yet when I pointed the series.

Note that the series also has a conflict against 5.16-rc1 in pmem.c,
and buildbot pointed out the file systems need explicit dax.h
includes in a few files for some configurations.

The current branch is here, I just did not bother to repost without
any comments:

   http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dax-block-cleanup

no functional changes.