On Thu, Nov 7, 2019 at 7:11 PM Shiyang Ruan <ruansy.fnst@xxxxxxxxxxxxxx> wrote: > > Hi Darrick, Dave, > > Do you have any comment on this? Christoph pointed out at ALPSS that this problem has significant overlap with the shared page-cache for reflink problem. So I think we need to solve that first and then circle back to dax reflink support. I'm starting to take a look at that.