[PATCH 5/6] nvme: Export subsystems to /sys/class/nvme-subsys

[Christoph Hellwig]

On Mon, Oct 02, 2017 at 03:55:58PM +0200, Hannes Reinecke wrote:
> Create a class for each subsystem to create a 'device' link
> for each subsystem device.

I thought about this as it seems useful.  The only downside is that
iff we run into subsystems with duplicate NQNs (or fake NQNs using
MN/SN) we are in deep trouble once this is exposed in sysfs.

Keith was the one most concerned about that, so I'd like him to
chime in.