--- a/block/elevator.c 2017-09-03 16:56:17.000000000 -0400 +++ b/block/elevator.c 2017-10-22 08:11:01.216178752 -0400 @@ -229,7 +229,11 @@ int elevator_init(struct request_queue * */ if (q->mq_ops) { if (q->nr_hw_queues == 1) + #if defined(CONFIG_ZEN_INTERACTIVE) && defined(CONFIG_IOSCHED_BFQ) + e = elevator_get("bfq", false); + #else e = elevator_get("mq-deadline", false); + #endif if (!e) return 0; } else