Issue with AWUPF when using multiple controllers in a subsystem

[Christoph Hellwig]

On Tue, Apr 08, 2025 at 09:08:18PM +0000, Chaitanya Kulkarni wrote:
> >
> > I think the awupf belongs in the nvme_ctrl structure. 
> 
> AWUPF is a part of Identify controller data structure so Ideally
> it should be part of the controller attribute.

It is subsystem scoped really, and controllers should not differ
in the values as that would break multipath setups.

Unfortunately nvme doesn't have an identify subsystem and generally
is extremely sloppy about scopes.