130 	struct wb_domain	*dom;  member
158 				.dom = &global_wb_domain,		\
161 #define GDTC_INIT_NO_WB		.dom = &global_wb_domain
164 				.dom = mem_cgroup_wb_domain(__wb),	\
170 	return dtc->dom;  in mdtc_valid()
175 	return dtc->dom;  in dtc_dom()
534 static void wb_domain_writeout_inc(struct wb_domain *dom,  in wb_domain_writeout_inc()  argument
538 	__fprop_inc_percpu_max(&dom->completions, completions,  in wb_domain_writeout_inc()
541 	if (!unlikely(dom->period_time)) {  in wb_domain_writeout_inc()
548 		dom->period_time = wp_next_time(jiffies);  in wb_domain_writeout_inc()
549 		mod_timer(&dom->period_timer, dom->period_time);  in wb_domain_writeout_inc()
587 	struct wb_domain *dom = (void *)t;  in writeout_period()  local
588 	int miss_periods = (jiffies - dom->period_time) /  in writeout_period()
591 	if (fprop_new_period(&dom->completions, miss_periods + 1)) {  in writeout_period()
592 		dom->period_time = wp_next_time(dom->period_time +  in writeout_period()
594 		mod_timer(&dom->period_timer, dom->period_time);  in writeout_period()
600 		dom->period_time = 0;  in writeout_period()
604 int wb_domain_init(struct wb_domain *dom, gfp_t gfp)  in wb_domain_init()  argument
606 	memset(dom, 0, sizeof(*dom));  in wb_domain_init()
608 	spin_lock_init(&dom->lock);  in wb_domain_init()
610 	init_timer_deferrable(&dom->period_timer);  in wb_domain_init()
611 	dom->period_timer.function = writeout_period;  in wb_domain_init()
612 	dom->period_timer.data = (unsigned long)dom;  in wb_domain_init()
614 	dom->dirty_limit_tstamp = jiffies;  in wb_domain_init()
616 	return fprop_global_init(&dom->completions, gfp);  in wb_domain_init()
620 void wb_domain_exit(struct wb_domain *dom)  in wb_domain_exit()  argument
622 	del_timer_sync(&dom->period_timer);  in wb_domain_exit()
623 	fprop_global_destroy(&dom->completions);  in wb_domain_exit()
681 static unsigned long hard_dirty_limit(struct wb_domain *dom,  in hard_dirty_limit()  argument
684 	return max(thresh, dom->dirty_limit);  in hard_dirty_limit()
725 	struct wb_domain *dom = dtc_dom(dtc);  in __wb_calc_thresh()  local
734 	fprop_fraction_percpu(&dom->completions, dtc->wb_completions,  in __wb_calc_thresh()
1094 	struct wb_domain *dom = dtc_dom(dtc);  in update_dirty_limit()  local
1096 	unsigned long limit = dom->dirty_limit;  in update_dirty_limit()
1118 	dom->dirty_limit = limit;  in update_dirty_limit()
1124 	struct wb_domain *dom = dtc_dom(dtc);  in domain_update_bandwidth()  local
1129 	if (time_before(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL))  in domain_update_bandwidth()
1132 	spin_lock(&dom->lock);  in domain_update_bandwidth()
1133 	if (time_after_eq(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL)) {  in domain_update_bandwidth()
1135 		dom->dirty_limit_tstamp = now;  in domain_update_bandwidth()
1137 	spin_unlock(&dom->lock);  in domain_update_bandwidth()
2029 	struct wb_domain *dom = &global_wb_domain;  in writeback_set_ratelimit()  local
2034 	dom->dirty_limit = dirty_thresh;  in writeback_set_ratelimit()