elv_queue_empty   413 block/blk-core.c 	if (!elv_queue_empty(q))
elv_queue_empty  1136 block/blk-core.c 	if (unlikely(barrier) || elv_queue_empty(q))
elv_queue_empty  1222 block/blk-core.c 	if (elv_queue_empty(q))
elv_queue_empty   108 include/linux/elevator.h extern int elv_queue_empty(struct request_queue *);