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From: sagi@grimberg.me (Sagi Grimberg)
Subject: [PATCH 2/2] nvme-rdma: move admin queue cleanup to nvme_rdma_free_ctrl
Date: Thu, 14 Jul 2016 12:17:30 +0300	[thread overview]
Message-ID: <578758AA.5050908@grimberg.me> (raw)
In-Reply-To: <57875835.5050001@grimberg.me>


> This patch introduces asymmetry between create and destroy
> of the admin queue. Does this alternative patch solve
> the problem?
>
> The patch changes the order of device removal flow from:
> 1. delete controller
> 2. destroy queue
>
> to:
> 1. destroy queue
> 2. delete controller
>
> Or more specifically:
> 1. own the controller deletion (make sure we are not
> competing with anyone)
> 2. get rid of inflight reconnects (which also destroy and
> create queues)
> 3. destroy the queue
> 4. safely queue controller deletion
>
> Thoughts?

Should mention that patch 1 is not needed as well with this...

  reply	other threads:[~2016-07-14  9:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-13 21:26 [PATCH 0/2] nvme-rdma: device removal crash fixes Ming Lin
2016-07-13 21:26 ` [PATCH 1/2] nvme-rdma: grab reference for device removal event Ming Lin
2016-07-13 21:33   ` Steve Wise
2016-07-13 21:26 ` [PATCH 2/2] nvme-rdma: move admin queue cleanup to nvme_rdma_free_ctrl Ming Lin
2016-07-13 21:33   ` Steve Wise
2016-07-13 23:19   ` J Freyensee
2016-07-13 23:36     ` Ming Lin
2016-07-13 23:59       ` J Freyensee
2016-07-14  6:39         ` Ming Lin
2016-07-14 17:09           ` J Freyensee
2016-07-14 18:04             ` Ming Lin
2016-07-14  9:15   ` Sagi Grimberg
2016-07-14  9:17     ` Sagi Grimberg [this message]
2016-07-14 14:30       ` Steve Wise
2016-07-14 14:44         ` Sagi Grimberg
2016-07-14 14:59     ` Steve Wise
     [not found]     ` <011301d1dde0$4450e4e0$ccf2aea0$@opengridcomputing.com>
2016-07-14 15:02       ` Steve Wise
2016-07-14 15:26         ` Steve Wise
2016-07-14 21:27           ` Steve Wise
2016-07-15 15:52             ` Steve Wise
2016-07-17  6:01               ` Sagi Grimberg
2016-07-18 14:55                 ` Steve Wise
2016-07-18 15:47                   ` Steve Wise
2016-07-18 16:34                     ` Steve Wise
2016-07-18 18:04                       ` Steve Wise
2016-07-13 21:58 ` [PATCH 0/2] nvme-rdma: device removal crash fixes Steve Wise

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