94 	struct cfq_ttime ttime;  member
97 			.ttime = {.last_end_request = jiffies,},}
299 	struct cfq_ttime ttime;  member
311 	struct cfq_ttime	ttime;  member
796 	struct cfq_ttime *ttime, bool group_idle)  in cfq_io_thinktime_big()  argument
799 	if (!sample_valid(ttime->ttime_samples))  in cfq_io_thinktime_big()
805 	return ttime->ttime_mean > slice;  in cfq_io_thinktime_big()
1521 	cfqg->ttime.last_end_request = jiffies;  in cfq_init_cfqg_base()
2891 	   !cfq_io_thinktime_big(cfqd, &st->ttime, false))  in cfq_should_idle()
2943 	if (sample_valid(cic->ttime.ttime_samples) &&  in cfq_arm_slice_timer()
2944 	    (cfqq->slice_end - jiffies < cic->ttime.ttime_mean)) {  in cfq_arm_slice_timer()
2946 			     cic->ttime.ttime_mean);  in cfq_arm_slice_timer()
3305 	    !cfq_io_thinktime_big(cfqd, &cfqq->cfqg->ttime, true)) {  in cfq_select_queue()
3609 	cic->ttime.last_end_request = jiffies;  in cfq_init_icq()
3830 __cfq_update_io_thinktime(struct cfq_ttime *ttime, unsigned long slice_idle)  in __cfq_update_io_thinktime()  argument
3832 	unsigned long elapsed = jiffies - ttime->last_end_request;  in __cfq_update_io_thinktime()
3835 	ttime->ttime_samples = (7*ttime->ttime_samples + 256) / 8;  in __cfq_update_io_thinktime()
3836 	ttime->ttime_total = (7*ttime->ttime_total + 256*elapsed) / 8;  in __cfq_update_io_thinktime()
3837 	ttime->ttime_mean = (ttime->ttime_total + 128) / ttime->ttime_samples;  in __cfq_update_io_thinktime()
3845 		__cfq_update_io_thinktime(&cic->ttime, cfqd->cfq_slice_idle);  in cfq_update_io_thinktime()
3846 		__cfq_update_io_thinktime(&cfqq->service_tree->ttime,  in cfq_update_io_thinktime()
3850 	__cfq_update_io_thinktime(&cfqq->cfqg->ttime, cfqd->cfq_group_idle);  in cfq_update_io_thinktime()
3901 	else if (sample_valid(cic->ttime.ttime_samples)) {  in cfq_update_idle_window()
3902 		if (cic->ttime.ttime_mean > cfqd->cfq_slice_idle)  in cfq_update_idle_window()
4143 	if (cfq_io_thinktime_big(cfqd, &cfqq->cfqg->ttime, true))  in cfq_should_wait_busy()
4150 	if (cic && sample_valid(cic->ttime.ttime_samples)  in cfq_should_wait_busy()
4151 	    && (cfqq->slice_end - jiffies < cic->ttime.ttime_mean))  in cfq_should_wait_busy()
4193 		RQ_CIC(rq)->ttime.last_end_request = now;  in cfq_completed_request()
4201 		st->ttime.last_end_request = now;  in cfq_completed_request()
4207 	cfqq->cfqg->ttime.last_end_request = now;  in cfq_completed_request()