Re: [PATCH] xfs: add ->pfn_mkwrite support for DAX

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On Tue, Sep 01, 2015 at 10:12:17PM -0700, Christoph Hellwig wrote:
> On Wed, Sep 02, 2015 at 11:25:00AM +1000, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@xxxxxxxxxx>
> > 
> > ->pfn_mkwrite support is needed so that when a page with allocated
> > backing store first takes a write fault the timestamps on the
> > file are updated. THis fixes a generic/080 failure.
> 
> Shouldn't you be able to drop the call to xfs_filemap_page_mkwrite from
> xfs_filemap_fault now?

No idea. It hasn't been removed from dax_fault, so I'm not going to
remove it from xfs_filemap_page_mkwrite()...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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