[PATCH 4/6] xfs: DAX does not use IO completion callbacks

[Brian Foster]

On Fri, Oct 30, 2015 at 10:39:11AM +1100, Dave Chinner wrote:
> On Thu, Oct 29, 2015 at 10:29:57AM -0400, Brian Foster wrote:
> > On Mon, Oct 19, 2015 at 02:27:16PM +1100, Dave Chinner wrote:
> > > From: Dave Chinner <dchinner at redhat.com>
> > > 
> > > For DAX, we are now doing block zeroing and
> > > we are updating the file size during allocation. This means we no
> > > longer need an IO completion callback to do these things, so remove
> > > the completion callbacks from the __dax_fault and __dax_mkwrite
> > > calls.
> > > 
> > 
> > Where do we "update the file size during allocation?"
> 
> Stale comment. For page faults, we'll never update the file size
> (segv if fault is beyond EOF), and DIO still does IO completion
> based file size updates.
> 

Ok. With that fixed up:

Reviewed-by: Brian Foster <bfoster at redhat.com>

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