cfqq->prio_changed = 1; 
cfq_mark_cfqq_prio_changed(cfqq); 
static inline void changed_ioprio(struct cfq_queue *cfqq){	if (cfqq) {		struct cfq_data *cfqd = cfqq->cfqd;		spin_lock(cfqd->queue->queue_lock);		cfqq->prio_changed = 1;		cfq_init_prio_data(cfqq);		spin_unlock(cfqd->queue->queue_lock);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/3b18152c327707ae6a2eeba4cfb66457143753bc/cfq-iosched.c/clean/drivers/block/cfq-iosched.c