Re: [PATCH v7 04/23] Revert "nvme-tcp: remove the unused queue_size member in nvme_tcp_queue"

Sagi Grimberg
2022-10-26T11:02:47Z

>> This reverts commit fb8745d040ef5b9080003325e56b91fefe1022bb.
>>
>> The newly added NVMeTCP offload requires the field
>> nvme_tcp_queue->queue_size in the patch
>> "nvme-tcp: Add DDP offload control path" in nvme_tcp_offload_socket().
>> The queue size is part of struct ulp_ddp_config
>> parameters.
>
> Please never do reverts if you just bring something back for an entirely
> differenet reason.

Agreed.

> And I think we need a really good justification of
> why you have a code path that can get the queue struct and not the
> controller, which really should not happen.

What is wrong with just using either ctrl->sqsize/NVME_AQ_DEPTH based
on the qid?