cfq_remove_request(q, next); 
cfq_remove_request(next); 
cfq_merged_requests(request_queue_t *q, struct request *rq,		    struct request *next){	cfq_merged_request(q, rq);	/*	 * reposition in fifo if next is older than rq	 */	if (!list_empty(&rq->queuelist) && !list_empty(&next->queuelist) &&	    time_before(next->start_time, rq->start_time))		list_move(&rq->queuelist, &next->queuelist);	cfq_remove_request(q, next);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b4878f245ec8e168cdd1f170f823a750b7dd4af5/cfq-iosched.c/buggy/drivers/block/cfq-iosched.c