Blktrace_running  132 block/blktrace.c 	if (unlikely(bt->trace_state != Blktrace_running))
Blktrace_running  495 block/blktrace.c 			bt->trace_state = Blktrace_running;
Blktrace_running  501 block/blktrace.c 		if (bt->trace_state == Blktrace_running) {