linux-ext4 - Re: [dm-devel] [PATCH 07/11] dax: remove dax

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Date:   Wed, 27 Oct 2021 17:20:40 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     "Darrick J. Wong" <djwong@...nel.org>
Cc:     Christoph Hellwig <hch@....de>,
        Linux NVDIMM <nvdimm@...ts.linux.dev>,
        Mike Snitzer <snitzer@...hat.com>,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-erofs@...ts.ozlabs.org,
        virtualization@...ts.linux-foundation.org,
        linux-xfs <linux-xfs@...r.kernel.org>,
        device-mapper development <dm-devel@...hat.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        Ira Weiny <ira.weiny@...el.com>
Subject: Re: [dm-devel] [PATCH 07/11] dax: remove dax_capable

On Tue, Oct 19, 2021 at 8:45 AM Darrick J. Wong <djwong@...nel.org> wrote:
>
> On Mon, Oct 18, 2021 at 06:40:50AM +0200, Christoph Hellwig wrote:
> > Just open code the block size and dax_dev == NULL checks in the callers.
> >
> > Signed-off-by: Christoph Hellwig <hch@....de>
> > ---
> >  drivers/dax/super.c          | 36 ------------------------------------
> >  drivers/md/dm-table.c        | 22 +++++++++++-----------
> >  drivers/md/dm.c              | 21 ---------------------
> >  drivers/md/dm.h              |  4 ----
> >  drivers/nvdimm/pmem.c        |  1 -
> >  drivers/s390/block/dcssblk.c |  1 -
> >  fs/erofs/super.c             | 11 +++++++----
> >  fs/ext2/super.c              |  6 ++++--
> >  fs/ext4/super.c              |  9 ++++++---
> >  fs/xfs/xfs_super.c           | 21 ++++++++-------------
> >  include/linux/dax.h          | 14 --------------
> >  11 files changed, 36 insertions(+), 110 deletions(-)
> >
[..]               if (ext4_has_feature_inline_data(sb)) {
> > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> > index d07020a8eb9e3..163ceafbd8fd2 100644
> > --- a/fs/xfs/xfs_super.c
> > +++ b/fs/xfs/xfs_super.c
[..]
> > +     if (mp->m_super->s_blocksize != PAGE_SIZE) {
> > +             xfs_alert(mp,
> > +                     "DAX not supported for blocksize. Turning off DAX.\n");
>
> Newlines aren't needed at the end of extX_msg/xfs_alert format strings.

Thanks Darrick, I fixed those up.