125 	struct wb_domain	*dom;  member
153 				.dom = &global_wb_domain,		\
156 #define GDTC_INIT_NO_WB		.dom = &global_wb_domain
159 				.dom = mem_cgroup_wb_domain(__wb),	\
165 	return dtc->dom;  in mdtc_valid()
170 	return dtc->dom;  in dtc_dom()
555 static void wb_domain_writeout_add(struct wb_domain *dom,  in wb_domain_writeout_add()  argument
559 	__fprop_add_percpu_max(&dom->completions, completions,  in wb_domain_writeout_add()
562 	if (unlikely(!dom->period_time)) {  in wb_domain_writeout_add()
569 		dom->period_time = wp_next_time(jiffies);  in wb_domain_writeout_add()
570 		mod_timer(&dom->period_timer, dom->period_time);  in wb_domain_writeout_add()
608 	struct wb_domain *dom = from_timer(dom, t, period_timer);  in writeout_period()  local
609 	int miss_periods = (jiffies - dom->period_time) /  in writeout_period()
612 	if (fprop_new_period(&dom->completions, miss_periods + 1)) {  in writeout_period()
613 		dom->period_time = wp_next_time(dom->period_time +  in writeout_period()
615 		mod_timer(&dom->period_timer, dom->period_time);  in writeout_period()
621 		dom->period_time = 0;  in writeout_period()
625 int wb_domain_init(struct wb_domain *dom, gfp_t gfp)  in wb_domain_init()  argument
627 	memset(dom, 0, sizeof(*dom));  in wb_domain_init()
629 	spin_lock_init(&dom->lock);  in wb_domain_init()
631 	timer_setup(&dom->period_timer, writeout_period, TIMER_DEFERRABLE);  in wb_domain_init()
633 	dom->dirty_limit_tstamp = jiffies;  in wb_domain_init()
635 	return fprop_global_init(&dom->completions, gfp);  in wb_domain_init()
639 void wb_domain_exit(struct wb_domain *dom)  in wb_domain_exit()  argument
641 	del_timer_sync(&dom->period_timer);  in wb_domain_exit()
642 	fprop_global_destroy(&dom->completions);  in wb_domain_exit()
707 static unsigned long hard_dirty_limit(struct wb_domain *dom,  in hard_dirty_limit()  argument
710 	return max(thresh, dom->dirty_limit);  in hard_dirty_limit()
751 	struct wb_domain *dom = dtc_dom(dtc);  in __wb_calc_thresh()  local
760 	fprop_fraction_percpu(&dom->completions, dtc->wb_completions,  in __wb_calc_thresh()
1120 	struct wb_domain *dom = dtc_dom(dtc);  in update_dirty_limit()  local
1122 	unsigned long limit = dom->dirty_limit;  in update_dirty_limit()
1144 	dom->dirty_limit = limit;  in update_dirty_limit()
1150 	struct wb_domain *dom = dtc_dom(dtc);  in domain_update_dirty_limit()  local
1155 	if (time_before(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL))  in domain_update_dirty_limit()
1158 	spin_lock(&dom->lock);  in domain_update_dirty_limit()
1159 	if (time_after_eq(now, dom->dirty_limit_tstamp + BANDWIDTH_INTERVAL)) {  in domain_update_dirty_limit()
1161 		dom->dirty_limit_tstamp = now;  in domain_update_dirty_limit()
1163 	spin_unlock(&dom->lock);  in domain_update_dirty_limit()
2092 	struct wb_domain *dom = &global_wb_domain;  in writeback_set_ratelimit()  local
2097 	dom->dirty_limit = dirty_thresh;  in writeback_set_ratelimit()