On Tue, Feb 08, 2022 at 07:30:11PM -0800, Dan Williams wrote: > Interesting. I had expected that to really fix the refcount problem > that fs/dax.c would need to start taking real page references as pages > were added to a mapping, just like page cache. I think we should do that eventually. But I think this series that just attacks the device private type and extends to the device coherent and p2p enhacements is a good first step to stop the proliferation of the one off refcount and to allow to deal with the fsdax pages in another more focuessed series.
