linux-kernel - Re: [PATCH 3/9] IB: add a helper to safely drain a QP

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Message-ID: <20151123143337.GA11253@lst.de>
Date:	Mon, 23 Nov 2015 15:33:37 +0100
From:	'Christoph Hellwig' <hch@....de>
To:	Sagi Grimberg <sagig@....mellanox.co.il>
Cc:	Steve Wise <swise@...ngridcomputing.com>,
	'Christoph Hellwig' <hch@....de>, linux-rdma@...r.kernel.org,
	bart.vanassche@...disk.com, axboe@...com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/9] IB: add a helper to safely drain a QP

On Mon, Nov 23, 2015 at 12:35:44PM +0200, Sagi Grimberg wrote:
>
>> So Maybe we should have:
>> void ib_drain_qp(struct ib_qp *qp)
>
> Christoph suggested that this flushing would be taken care
> of by rdma_disconnect which sounds even better I think..

Note that will only work once we've converted all drivers to
the new CQ API under development.  Without that every completion
handlers needs a special case for the drain WC.
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