intblk_queue_enter(structrequest_queue*q,boolnowait) { while(true) { if(percpu_ref_tryget_live(&q->q_usage_counter)) return0; if(op&REQ_NOWAIT) if(nowait) return-EBUSY; /* Expand DownExpand Up@@ -1492,8 +1492,8 @@ static struct request *blk_old_get_request(struct r...