On Tue, Jan 7, 2020 at 11:46 AM Dan Williams <dan.j.williams@xxxxxxxxx> wrote: [..] > > I'd say deprecate the > > kernel automounting partitions, but I guess it already does that, and > > Ok, now I don't know why automounting is leaking into this discussion? > > > removing it would break /something/. > > Yes, the breakage risk is anyone that was using ext4 mount failure as > a dax capability detector. > > > I guess you could put > > "/dev/pmemXpY" on the deprecation schedule. > > ...but why deprecate /dev/pmemXpY partitions altogether? If someone > doesn't care about dax then they can do all the legacy block things. > If they do care about dax then work with whole device namespaces. Circling back on this point now that I understand what you meant by automount. It would need to be a full deprecation of /dev/pmemXpY devices if kpartx dax support is going to fully take over for people that want to use disk partition tables instead of EFI Namespace Labels to carve up pmem.
