[PATCH-4.5-v3 4/5] NVMe: Move error handling to failed reset handler

[Johannes Thumshirn]

On Wed, Feb 17, 2016 at 11:36:54AM -0700, Keith Busch wrote:
> This moves failed queue handling out of the namespace removal path and
> into the reset failure path, fixing a hanging condition if the controller
> fails or link down during del_gendisk. Previously the driver had to see
> the controller as degraded prior to calling del_gendisk to setup the
> queues to fail. If the controller happened to fail after this though,
> there was no task to end the request_queue.
> 
> On failure, all namespace states are set to dead. This has capacity
> revalidate to 0, and ends all new requests with error status.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>

Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>

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Johannes Thumshirn                                          Storage
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