[PATCH for-4.5 05/13] NVMe: Fix namespace removal deadlock

[Johannes Thumshirn]

On Wed, Feb 10, 2016 at 11:17:22AM -0700, Keith Busch wrote:
> Namespace removal holds the namespace list mutex. If the controller
> fails during namespace removal, the reset work will deadlock trying to
> acquire the mutex, and no progress will be made.
> 
> This patch completes the potentially blocking parts of namespace
> removal in a controller work queue so that reset work can cleanup a
> failed controller.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>
> ---

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

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