abort question

[Matthew Wilcox]

On Thu, Jun 11, 2015 at 03:46:03AM -0700, Christoph Hellwig wrote:
> Don't we need to reserve a request and SQ entry to that we can
> always send an abort?  Otherwise a lockded up controller will never
> send a abort and always just reset the timer, and never escalate
> to a controller reset.

Aborts are sent on the admin queue, not the IO queue.  There should
always be plenty of space on the admin queue.