[PATCH v2 03/51] xfs_io: support reflink and dedupe of file ranges

[Darrick J. Wong]

On Tue, Nov 10, 2015 at 08:35:20AM +1100, Dave Chinner wrote:
> On Mon, Nov 09, 2015 at 10:57:24AM -0800, Darrick J. Wong wrote:
> > On Mon, Nov 09, 2015 at 10:33:12AM -0800, Darrick J. Wong wrote:
> > > On Sun, Nov 08, 2015 at 11:54:38PM -0800, Christoph Hellwig wrote:
> > > > Any reason why the dedup command is called 'dedupe'?  Is this a revenge
> > > > for the missing 'e' in the creat syscall? :)
> > > 
> > > Heh, sure! :)
> > > 
> > > I stuck on the 'e' because the btrfs tool is 'duperemove', not 'dupremove'.
> > > 
> > > (I have no preference either way.)
> > > 
> > > > Either way it would be good to get this support in ASAP so we can have
> > > > the command ready for xfstests and we can merge the test.  They are
> > > > useful for btrfs and NFS already, so I'd love to fast track them.
> > 
> > Oh. Heh.  I forgot that Dave merged the v1 patch into for-next after I'd posted
> > the v2 patch.  So ... I thought I'd convinced him to revert the v1 patch and
> > stuff in the v2 patch, but that hasn't shown up on kernel.org.
> > 
> > -ETOOMANYPATCHES :(
> 
> Need to push it out - I have an updated branch here, just been
> delayed in testing and pushing out progs-4.3-rc2.

Ok, thanks, I'll rebase and give the tests a spin in the morning.

--D

> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david at fromorbit.com