[PATCH 2/5] nvme: introduce a controller state machine

[Sagi Grimberg]

>>> Let's allocate states on an as needed basis and avoid that new
>>> state for now.
>>
>> Didn't mean a new state, just a transition to NVME_CTRL_DELETING
>> if nvme_reset_work fails...
>
> Oh, we can't actually do that - for PCIe deleting is only set
> for calls from the PCI ->remove callback, which we'll invoke a
> little later through the driver model from the workqueue we just
> kicked off.

Fair enough,

Reviewed-by: Sagi Grimberg <sagi at grimberg.me>