On Wed, Mar 11, 2020 at 05:39:42PM +1100, Dave Chinner wrote: > IOWs, the dax_associate_page() related functionality probably needs > to be a filesystem callout - part of the aops vector, I think, so > that device dax can still use it. That way XFS can go it's own way, > while ext4 and device dax can continue to use the existing mechanism > mechanisn that is currently implemented.... s/XFS/XFS with rmap/, as most XFS file systems currently don't have that enabled we'll also need to keep the legacy path around.
