linux-kernel - RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver

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Date:	Tue, 14 Jun 2016 10:14:06 -0500
From:	"Steve Wise" <swise@...ngridcomputing.com>
To:	"'Christoph Hellwig'" <hch@...radead.org>
Cc:	"'Sagi Grimberg'" <sagi@...htbits.io>,
	"'Christoph Hellwig'" <hch@....de>, <axboe@...nel.dk>,
	<keith.busch@...el.com>, "'Ming Lin'" <ming.l@....samsung.com>,
	<linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-nvme@...ts.infradead.org>, <linux-block@...r.kernel.org>,
	"'Jay Freyensee'" <james.p.freyensee@...el.com>,
	"'Armen Baloyan'" <armenx.baloyan@...el.com>
Subject: RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver

> On Thu, Jun 09, 2016 at 06:03:51PM -0500, Steve Wise wrote:
> > The above nvmet cm event handler, nvmet_rdma_cm_handler(), calls
> > nvmet_rdma_queue_connect() for CONNECT_REQUEST events, which calls
> > nvmet_rdma_alloc_queue (), which, if it encounters a failure (like creating
> > the qp), calls nvmet_rdma_cm_reject () which calls rdma_reject().  The
> > non-zero error, however, gets returned back here and this function returns
> > the error to the RDMA_CM which will also reject the connection as well as
> > destroy the cm_id.  So there are two rejects happening, I think.  Either
> > nvmet should reject and destroy the cm_id, or it should do neither and
> > return non-zero to the RDMA_CM to reject/destroy.
> 
> Can you just send a patch?

Yes, I'll send it out in a separate email.