waiting_rq 4796 block/bfq-iosched.c bool waiting_rq, idle_timer_disabled; waiting_rq 4801 block/bfq-iosched.c waiting_rq = in_serv_queue && bfq_bfqq_wait_request(in_serv_queue); waiting_rq 4806 block/bfq-iosched.c waiting_rq && !bfq_bfqq_wait_request(in_serv_queue);