if (unlikely(!blk_fs_request(rq))) return; 
now = jiffies; 
static void cfq_completed_request(request_queue_t *q, struct request *rq){	struct cfq_rq *crq = RQ_DATA(rq);	struct cfq_queue *cfqq;	if (unlikely(!blk_fs_request(rq)))		return;	cfqq = crq->cfq_queue;	if (cfq_crq_in_flight(crq)) {		const int sync = cfq_crq_is_sync(crq);		WARN_ON(!cfqq->on_dispatch[sync]);		cfqq->on_dispatch[sync]--;	}	cfq_account_completion(cfqq, crq);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b4878f245ec8e168cdd1f170f823a750b7dd4af5/cfq-iosched.c/buggy/drivers/block/cfq-iosched.c