On Tue, Sep 21, 2021 at 07:36:22PM -0700, Darrick J. Wong wrote: > 'still a mess' isn't all that useful for figuring out what still needs > to be done and splitting up the work. Do you have items beyond my own > list below? > > - still arguing over what exactly FALLOC_FL_ZERO_REINIT_WHATEVER_PONIES > should be doing > - no reflink support, encompassing: > - hwpoison from mmap regions really ought to tell the fs that bad stuff > happened > - mm rmap can't handle more than one owner My main really big item is that we're still mounting through a fake block device, suporting partitions and all that crap. We need to sort out the whole story of how pmem/nvdimm is actually treated, because what we have right now is not sustainable at all.