[PATCH 2/2] nvme: add 'queue_if_no_path' semantics

[Christoph Hellwig]

On Tue, Oct 06, 2020 at 07:48:40AM +0200, Hannes Reinecke wrote:
> Well, because it's established behaviour of the current code.
> Changing it now has the potential to break existing scenarios.
>
> For PCI (ie non-fabrics) the current behaviour is arguably a corner case 
> (as one needs to have a PCI-NVMe with CMIC bit set), but once you have it 
> PCI hotplug is done for. So there we really want to change the behaviour to 
> get the same user experience for all NVMe drives.

Dual port PCI NVMe devices are pretty common in the enterprise space.
I really don't see any good reason to differ here.