Blktrace_setup    250 block/blktrace.c 	if (bt->trace_state == Blktrace_setup ||
Blktrace_setup    429 block/blktrace.c 	bt->trace_state = Blktrace_setup;
Blktrace_setup    491 block/blktrace.c 		if (bt->trace_state == Blktrace_setup ||