__disk_stat_add(disk, time_in_queue, disk->in_flight * (now - disk->stamp)); 
if (disk->in_flight) { __disk_stat_add(disk, time_in_queue, disk->in_flight * (now - disk->stamp)); __disk_stat_add(disk, io_ticks, (now - disk->stamp)); } 
void disk_round_stats(struct gendisk *disk){	unsigned long now = jiffies;	__disk_stat_add(disk, time_in_queue,			disk->in_flight * (now - disk->stamp));	disk->stamp = now;	if (disk->in_flight)		__disk_stat_add(disk, io_ticks, (now - disk->stamp_idle));	disk->stamp_idle = now;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/20e5c81fcff89535dced2ed71cf24c6c648ff40e/ll_rw_blk.c/clean/drivers/block/ll_rw_blk.c