Re: [PATCH 0/6 V2] xfs: upfront block zeroing for DAX

Dave Chinner
2015-11-06T22:32:46Z

On Thu, Nov 05, 2015 at 04:48:27PM -0700, Ross Zwisler wrote:
> On Mon, Oct 19, 2015 at 02:27:12PM +1100, Dave Chinner wrote:
> > Hi folks,
> >
> > This is an updated patch set that was first posted here:
> >
> > http://oss.sgi.com/archives/xfs/2015-10/msg00006.html
> >
> > I've dropped the DAX locking revert patch from it; that's on it's
> > way to Linus via other channels and is essentially independent to
> > this set of XFS changes.
> >
> > The only real change in the XFS code between the two versions is the
> > addition of XFS_TRANS_RESERVE in the DAX path in
> > xfs_iomap_write_direct() to allow it to dip into the reserve block
> > pool for unwritten extent conversion rather than reporting ENOSPC.
> >
> > Patches are against 4.3-rc5 + XFS for-next branch.
> >
> > -Dave.
>
> Hey Dave,
>
> I was going to start testing these, but I'm having trouble finding a baseline
> where they apply cleanly. It looks like xfs/for-next already contains v1 of
> the series, and they don't seem to apply cleanly to the current
> xfs/xfs-misc-fixes-for-4.4-2 nor to v4.3. The xfs repo I'm looking at is
> git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git

The xfs-dax-updates branch of that kernel contains the v3 version of
the patches I posted a few days ago. i.e. just pull the for-next
branch of the XFS tree, because that already contains all the
patches integrated into the rest of the XFS for-next tree...

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com