cfqq->queued[crq->is_sync]--; 
cfqq->queued[cfq_crq_is_sync(crq)]--; 
cfq_reposition_crq_rb(struct cfq_queue *cfqq, struct cfq_rq *crq){	if (ON_RB(&crq->rb_node)) {		rb_erase(&crq->rb_node, &cfqq->sort_list);		cfqq->queued[crq->is_sync]--;	}	cfq_add_crq_rb(crq);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/3b18152c327707ae6a2eeba4cfb66457143753bc/cfq-iosched.c/clean/drivers/block/cfq-iosched.c