tree 91311650aee107995e71b98cdb53f47fe3e8b1dd
parent a4391c6465d9c978fd4bded12e34bdde3f5458f0
author Keith Busch <keith.busch@intel.com> 1402071727 -0600
committer Jens Axboe <axboe@fb.com> 1402072803 -0600

blk-mq: don't allow queue entering for a dying queue

If the queue is going away, don't let new allocs or queueing
happen on it. Go through the normal wait process, and exit with
ENODEV in that case.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>