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()
571 static void wb_domain_writeout_inc(struct wb_domain *dom,  in wb_domain_writeout_inc()  argument
575 	__fprop_inc_percpu_max(&dom->completions, completions,  in wb_domain_writeout_inc()
578 	if (unlikely(!dom->period_time)) {  in wb_domain_writeout_inc()
585 		dom->period_time = wp_next_time(jiffies);  in wb_domain_writeout_inc()
586 		mod_timer(&dom->period_timer, dom->period_time);  in wb_domain_writeout_inc()
624 	struct wb_domain *dom = from_timer(dom, t, period_timer);  in writeout_period()  local
625 	int miss_periods = (jiffies - dom->period_time) /  in writeout_period()
628 	if (fprop_new_period(&dom->completions, miss_periods + 1)) {  in writeout_period()
629 		dom->period_time = wp_next_time(dom->period_time +  in writeout_period()
631 		mod_timer(&dom->period_timer, dom->period_time);  in writeout_period()
637 		dom->period_time = 0;  in writeout_period()
641 int wb_domain_init(struct wb_domain *dom, gfp_t gfp)  in wb_domain_init()  argument
643 	memset(dom, 0, sizeof(*dom));  in wb_domain_init()
645 	spin_lock_init(&dom->lock);  in wb_domain_init()
647 	timer_setup(&dom->period_timer, writeout_period, TIMER_DEFERRABLE);  in wb_domain_init()
649 	dom->dirty_limit_tstamp = jiffies;  in wb_domain_init()
651 	return fprop_global_init(&dom->completions, gfp);  in wb_domain_init()
655 void wb_domain_exit(struct wb_domain *dom)  in wb_domain_exit()  argument
657 	del_timer_sync(&dom->period_timer);  in wb_domain_exit()
658 	fprop_global_destroy(&dom->completions);  in wb_domain_exit()
716 static unsigned long hard_dirty_limit(struct wb_domain *dom,  in hard_dirty_limit()  argument
719 	return max(thresh, dom->dirty_limit);  in hard_dirty_limit()
760 	struct wb_domain *dom = dtc_dom(dtc);  in __wb_calc_thresh()  local
769 	fprop_fraction_percpu(&dom->completions, dtc->wb_completions,  in __wb_calc_thresh()
1129 	struct wb_domain *dom = dtc_dom(dtc);  in update_dirty_limit()  local
1131 	unsigned long limit = dom->dirty_limit;  in update_dirty_limit()
1153 	dom->dirty_limit = limit;  in update_dirty_limit()
1159 	struct wb_domain *dom = dtc_dom(dtc);  in domain_update_bandwidth()  local
1164 	if (time_before(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL))  in domain_update_bandwidth()
1167 	spin_lock(&dom->lock);  in domain_update_bandwidth()
1168 	if (time_after_eq(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL)) {  in domain_update_bandwidth()
1170 		dom->dirty_limit_tstamp = now;  in domain_update_bandwidth()
1172 	spin_unlock(&dom->lock);  in domain_update_bandwidth()
2058 	struct wb_domain *dom = &global_wb_domain;  in writeback_set_ratelimit()  local
2063 	dom->dirty_limit = dirty_thresh;  in writeback_set_ratelimit()