blk_add_trace_msg 213 block/cfq-iosched.c blk_add_trace_msg((cfqd)->queue, "cfq%d " fmt, (cfqq)->pid, ##args) blk_add_trace_msg 215 block/cfq-iosched.c blk_add_trace_msg((cfqd)->queue, "cfq " fmt, ##args) blk_add_trace_msg 1145 block/elevator.c blk_add_trace_msg(q, "elv switch: %s", e->elevator_type->elevator_name);