tree 43e7156fc29628569a5a065e38e54719fa754325
parent b94ec296403e99d5ac9a8c48332cec4118d44b94
author Keith Busch <keith.busch@intel.com> 1426132599 -0400
committer Jens Axboe <axboe@fb.com> 1426257055 -0600

blk-mq: don't wait in blk_mq_queue_enter() if __GFP_WAIT isn't set

Return -EBUSY if we're unable to enter a queue immediately when
allocating a blk-mq request without __GFP_WAIT.

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