linux-ext4 - Re: [PATCH 0/11] ext4: Convert ext4 DAX IO to iomap framework

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Date:   Fri, 4 Nov 2016 01:55:02 +0100
From:   Jan Kara <jack@...e.cz>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Jan Kara <jack@...e.cz>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Dave Chinner <david@...morbit.com>,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-nvdimm@...1.01.org
Subject: Re: [PATCH 0/11] ext4: Convert ext4 DAX IO to iomap framework

On Wed 02-11-16 09:03:53, Ted Tso wrote:
> On Wed, Nov 02, 2016 at 12:09:03AM +0100, Jan Kara wrote:
> > > > I plan to grab Ross's PMD series in the next couple of days and I'll
> > > > push it out as a stable topic branch once I've sanity tested it.  I
> > > > don't really want to take a big chunk of ext4 stuff through the XFS
> > > > tree if it can be avoided....
> > > 
> > > Yea, we also need to figure out how to get Jan's "dax: Clear dirty bits after
> > > flushing caches" set merged, which is mostly MM stuff and I think will go
> > > through akpm's tree?  That set is also based on my PMD stuff.
> > 
> > Yeah, I've spoken to Andrew and he wants to take the MM changes through his
> > tree. I'll talk to him how to make this happen given the patches the series
> > depends on but the series still needs some review so "how to merge" is not
> > exactly a question of the day...
> 
> I assume there isn't a convenient git tree I can pull for the purposes
> of testing Jan's patch series and for the purposes of seeing how
> everything fits together?  In other words, as far as I understand
> things there currently isn't an unstable topic branch I can pull for
> the purposes of review and testing, but hopefully Dave will make a
> stable topic branch in a few days.  Is that right?

So just for getting idea what the changes are about and to run some tests
you can use my unstable branch which Dave mentioned:

git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git dax

As Christoph had some review comments, I'll be updating that probably
tomorrow when I have tested updated series. I'll also add some other iomap
related patches that were sitting later in my branch after DAX mmap changes
but which, as I realized, don't really depend on them.

WRT the merging the plan is Dave will take all patches that are
prerequisite for this series and push them out in a stable branch which you
can then pull into your tree to merge ext4 iomap changes.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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