if (ON_RB(&crq->rb_node)) { rb_erase(&crq->rb_node, &cfqq->sort_list); cfqq->queued[cfq_crq_is_sync(crq)]--; } 
rb_erase(&crq->rb_node, &cfqq->sort_list); 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[cfq_crq_is_sync(crq)]--;	}	cfq_add_crq_rb(crq);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b4878f245ec8e168cdd1f170f823a750b7dd4af5/cfq-iosched.c/buggy/drivers/block/cfq-iosched.c