On 8/11/2016 2:22 PM, Christoph Hellwig wrote:

+       queue->work_q = alloc_workqueue("ntfc%d.%d.%d", 0, 0,
+                               assoc->tgtport->fc_target_port.port_num,
+                               assoc->a_id, qid);
Do we really need a workqueue per queue?

I thought we did - so there was always an execution context for the nvmet layer when a command is received. My understanding was the nvmet layer processes the cmd synchronously. I avoided per cpu - as I assumed the synchronous flows would end up blocking other connections to other subsystems/controllers.

If that's not the case - can you describe the nvmet layer better so I understand what we need ?



No reference counting?


yes - will make a pass at it.

-- james

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