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

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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?

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