finish_time      2260 block/blk-throttle.c 	unsigned long finish_time;
finish_time      2274 block/blk-throttle.c 	finish_time = __bio_issue_time(finish_time_ns) >> 10;
finish_time      2275 block/blk-throttle.c 	if (!start_time || finish_time <= start_time)
finish_time      2278 block/blk-throttle.c 	lat = finish_time - start_time;