netdev - Re: [PATCH v15 06/20] nvme-tcp: Add DDP data-path

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Message-ID: <ef66595c-95cd-94c4-7f51-d3d7683a188a@grimberg.me>
Date: Wed, 13 Sep 2023 13:51:15 +0300
From: Sagi Grimberg <sagi@...mberg.me>
To: Aurelien Aptel <aaptel@...dia.com>, linux-nvme@...ts.infradead.org,
 netdev@...r.kernel.org, hch@....de, kbusch@...nel.org, axboe@...com,
 chaitanyak@...dia.com, davem@...emloft.net, kuba@...nel.org
Cc: Boris Pismenny <borisp@...dia.com>, aurelien.aptel@...il.com,
 smalin@...dia.com, malin1024@...il.com, ogerlitz@...dia.com,
 yorayz@...dia.com, galshalom@...dia.com, mgurtovoy@...dia.com
Subject: Re: [PATCH v15 06/20] nvme-tcp: Add DDP data-path


> @@ -1235,6 +1330,9 @@ static int nvme_tcp_try_send_cmd_pdu(struct nvme_tcp_request *req)
>   	else
>   		msg.msg_flags |= MSG_EOR;
>   
> +	if (test_bit(NVME_TCP_Q_OFF_DDP, &queue->flags))
> +		nvme_tcp_setup_ddp(queue, blk_mq_rq_from_pdu(req));

Didn't we agree that setup_ddp should move to setup time and
not send time?