From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 2/5] nvme: introduce a controller state machine
Date: Tue, 19 Apr 2016 20:25:45 +0200 [thread overview]
Message-ID: <20160419182545.GA989@lst.de> (raw)
In-Reply-To: <571543EA.6080700@grimberg.me>
On Mon, Apr 18, 2016@11:30:34PM +0300, Sagi Grimberg wrote:
>
>>>> - clear_bit(NVME_CTRL_RESETTING, &dev->flags);
>>>> + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_LIVE)) {
>>>> + dev_warn(dev->ctrl.device, "failed to mark controller live\n");
>>>> + goto out;
>>>> + }
>>>> return;
>>>>
>>>> out:
>>>
>>> You're missing a state change before removing a
>>> dead controller...
>>
>> why?
>
> Just to have the state consistent with what the driver
> is doing. Not a must though...
Let's allocate states on an as needed basis and avoid that new
state for now.
next prev parent reply other threads:[~2016-04-19 18:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-18 12:34 proper controller state machine and more common code Christoph Hellwig
2016-04-18 12:34 ` [PATCH 1/5] nvme: remove the io_incapable method Christoph Hellwig
2016-04-18 12:34 ` [PATCH 2/5] nvme: introduce a controller state machine Christoph Hellwig
2016-04-18 18:36 ` Sagi Grimberg
2016-04-18 20:17 ` Christoph Hellwig
2016-04-18 20:30 ` Sagi Grimberg
2016-04-19 18:25 ` Christoph Hellwig [this message]
2016-04-19 18:35 ` Sagi Grimberg
2016-04-19 18:37 ` Christoph Hellwig
2016-04-20 17:25 ` Sagi Grimberg
2016-04-18 12:34 ` [PATCH 3/5] nvme: tighten up state check for namespace scanning Christoph Hellwig
2016-04-18 18:40 ` Sagi Grimberg
2016-04-18 12:34 ` [PATCH 4/5] nvme: move namespace scanning to core Christoph Hellwig
2016-04-18 18:46 ` Sagi Grimberg
2016-04-18 18:49 ` Keith Busch
2016-04-18 19:41 ` Sagi Grimberg
2016-04-18 20:17 ` Christoph Hellwig
2016-04-18 12:34 ` [PATCH 5/5] nvme: move AER handling to common code Christoph Hellwig
2016-04-20 17:26 ` Sagi Grimberg
-- strict thread matches above, loose matches on Subject: below --
2016-04-26 11:51 proper controller state machine and more common code V2 Christoph Hellwig
2016-04-26 11:51 ` [PATCH 2/5] nvme: introduce a controller state machine Christoph Hellwig
2016-04-26 16:18 ` Jon Derrick
2016-04-27 7:50 ` Christoph Hellwig
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