[PATCH 07/10] nvme-rdma: introduce NVME_RDMA_MAX_METADATA_QUEUE_SIZE definition

[Sagi Grimberg]

>> Another completely arbitrary limit...
>> Can this come somehow from the rdma core?
>>
>> If not, its not making things any worse. So its fine by me.
>> Please comment that this limit is based on testing the devices
>> that support PI.
>>
> 
> We are not changing the logic for PI controllers at all in this commit.
> 
> I can say something like:
> 
> "... We'll keep the maximal queue size for metadata controllers to be 
> 128 since there are more resources that are needed for metadata 
> operations and 128 is the optimal size found for metadata controllers 
> based on testing.

That would be better, yes.