[Virtio-fs] [PATCH 01/19] dax: remove block device dependencies

[Dan Williams]

On Wed, Jan 15, 2020 at 1:08 PM Jeff Moyer <jmoyer at redhat.com> wrote:
>
> Hi, Dan,
>
> Dan Williams <dan.j.williams at intel.com> writes:
>
> > I'm going to take a look at how hard it would be to develop a kpartx
> > fallback in udev. If that can live across the driver transition then
> > maybe this can be a non-event for end users that already have that
> > udev update deployed.
>
> I just wanted to remind you that label-less dimms still exist, and are
> still being shipped.  For those devices, the only way to subdivide the
> storage is via partitioning.

True, but if kpartx + udev can make this transparent then I don't
think users lose any functionality. They just gain a device-mapper
dependency.