BUG_ON(!cfqq->on_rr); cfqq->on_rr = 0; 
BUG_ON(!cfq_cfqq_on_rr(cfqq)); cfq_clear_cfqq_on_rr(cfqq); 
cfq_del_cfqq_rr(struct cfq_data *cfqd, struct cfq_queue *cfqq){	BUG_ON(!cfqq->on_rr);	cfqq->on_rr = 0;	list_move(&cfqq->cfq_list, &cfqd->empty_list);	BUG_ON(!cfqd->busy_queues);	cfqd->busy_queues--;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/3b18152c327707ae6a2eeba4cfb66457143753bc/cfq-iosched.c/clean/drivers/block/cfq-iosched.c