bfq_setup_merge  2658 block/bfq-iosched.c 		new_bfqq = bfq_setup_merge(bfqq, in_service_bfqq);
bfq_setup_merge  2672 block/bfq-iosched.c 		return bfq_setup_merge(bfqq, new_bfqq);