[PATCH v2] nvmet: force reconnect when number of queue changes

[Hannes Reinecke]

On 9/29/22 04:14, John Meneghini wrote:
> On 9/28/22 14:02, Knight, Frederick wrote:
>> Reset and Disconnect are different.
>>
>> Reset uses registers (and therefore Get Property and Set Property 
>> commands) over a valid connection.
>>
>> Disconnect causes a reset (you have to reconnect to the reset controller)
>> Reset does not cause an immediate disconnect.
> 
> OK, so you are saying that the rule "The controller shall not change the 
> value allocated between resets" in NVMe 5.27.1.5 doesn't apply to fabric 
> controllers?
> 
No; problem is that the linux usage of the word 'reset' really is a 
disconnect/reconnect (for which a queue change is allowed); we never to 
a NVMe reset via Get/Set Properties for fabrics.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
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