struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, current->pid); 
struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, current->pid, CFQ_KEY_ANY); 
static struct request *cfq_find_rq_rb(struct cfq_data *cfqd, sector_t sector){	struct cfq_queue *cfqq = cfq_find_cfq_hash(cfqd, current->pid);	struct rb_node *n;	if (!cfqq)		goto out;	n = cfqq->sort_list.rb_node;	while (n) {		struct cfq_rq *crq = rb_entry_crq(n);		if (sector < crq->rb_key)			n = n->rb_left;		else if (sector > crq->rb_key)			n = n->rb_right;		else			return crq->request;	}out:	return NULL;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/3b18152c327707ae6a2eeba4cfb66457143753bc/cfq-iosched.c/clean/drivers/block/cfq-iosched.c