131 	struct wb_domain	*dom;  member
159 				.dom = &global_wb_domain,		\
162 #define GDTC_INIT_NO_WB		.dom = &global_wb_domain
165 				.dom = mem_cgroup_wb_domain(__wb),	\
171 	return dtc->dom;  in mdtc_valid()
176 	return dtc->dom;  in dtc_dom()
577 static void wb_domain_writeout_inc(struct wb_domain *dom,  in wb_domain_writeout_inc()  argument
581 	__fprop_inc_percpu_max(&dom->completions, completions,  in wb_domain_writeout_inc()
584 	if (unlikely(!dom->period_time)) {  in wb_domain_writeout_inc()
591 		dom->period_time = wp_next_time(jiffies);  in wb_domain_writeout_inc()
592 		mod_timer(&dom->period_timer, dom->period_time);  in wb_domain_writeout_inc()
630 	struct wb_domain *dom = from_timer(dom, t, period_timer);  in writeout_period()  local
631 	int miss_periods = (jiffies - dom->period_time) /  in writeout_period()
634 	if (fprop_new_period(&dom->completions, miss_periods + 1)) {  in writeout_period()
635 		dom->period_time = wp_next_time(dom->period_time +  in writeout_period()
637 		mod_timer(&dom->period_timer, dom->period_time);  in writeout_period()
643 		dom->period_time = 0;  in writeout_period()
647 int wb_domain_init(struct wb_domain *dom, gfp_t gfp)  in wb_domain_init()  argument
649 	memset(dom, 0, sizeof(*dom));  in wb_domain_init()
651 	spin_lock_init(&dom->lock);  in wb_domain_init()
653 	timer_setup(&dom->period_timer, writeout_period, TIMER_DEFERRABLE);  in wb_domain_init()
655 	dom->dirty_limit_tstamp = jiffies;  in wb_domain_init()
657 	return fprop_global_init(&dom->completions, gfp);  in wb_domain_init()
661 void wb_domain_exit(struct wb_domain *dom)  in wb_domain_exit()  argument
663 	del_timer_sync(&dom->period_timer);  in wb_domain_exit()
664 	fprop_global_destroy(&dom->completions);  in wb_domain_exit()
722 static unsigned long hard_dirty_limit(struct wb_domain *dom,  in hard_dirty_limit()  argument
725 	return max(thresh, dom->dirty_limit);  in hard_dirty_limit()
766 	struct wb_domain *dom = dtc_dom(dtc);  in __wb_calc_thresh()  local
775 	fprop_fraction_percpu(&dom->completions, dtc->wb_completions,  in __wb_calc_thresh()
1135 	struct wb_domain *dom = dtc_dom(dtc);  in update_dirty_limit()  local
1137 	unsigned long limit = dom->dirty_limit;  in update_dirty_limit()
1159 	dom->dirty_limit = limit;  in update_dirty_limit()
1165 	struct wb_domain *dom = dtc_dom(dtc);  in domain_update_bandwidth()  local
1170 	if (time_before(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL))  in domain_update_bandwidth()
1173 	spin_lock(&dom->lock);  in domain_update_bandwidth()
1174 	if (time_after_eq(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL)) {  in domain_update_bandwidth()
1176 		dom->dirty_limit_tstamp = now;  in domain_update_bandwidth()
1178 	spin_unlock(&dom->lock);  in domain_update_bandwidth()
2046 	struct wb_domain *dom = &global_wb_domain;  in writeback_set_ratelimit()  local
2051 	dom->dirty_limit = dirty_thresh;  in writeback_set_ratelimit()