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

[Hannes Reinecke]

On 10/6/20 9:51 AM, Christoph Hellwig wrote:
> 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.
> 
?
Differ from what?

Normal (non-dual ported) PCI-NVMe?
NVMe-oF?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare at suse.de			                  +49 911 74053 688
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