end_request(pf_req, success);
pf_end_request(success);
static inline void next_request(int success){	unsigned long saved_flags;	spin_lock_irqsave(&pf_spin_lock, saved_flags);	end_request(pf_req, success);	pf_busy = 0;	do_pf_request(pf_queue);	spin_unlock_irqrestore(&pf_spin_lock, saved_flags);}