[PATCH 8/9] nvme: implement multipath access to nvme subsystems

[Christoph Hellwig]

On Mon, Sep 25, 2017 at 03:47:43PM +0200, Hannes Reinecke wrote:
> Can't we make the multipath support invisible to the host?
> IE check the shared namespaces before creating the device node, and just
> move them under the existing namespaces if one exists?

That was what my first version did, but various people talked me
out of it.  Unfortunately just multiplexing breaks a few things,
including the userspace passthrough ioctls.