167 	unsigned long tot_bw = atomic_long_read(&wb->bdi->tot_write_bandwidth);  in wb_min_max_ratio()
168 	unsigned long long min = wb->bdi->min_ratio;  in wb_min_max_ratio()
169 	unsigned long long max = wb->bdi->max_ratio;  in wb_min_max_ratio()
220 	*minp = wb->bdi->min_ratio;  in wb_min_max_ratio()
221 	*maxp = wb->bdi->max_ratio;  in wb_min_max_ratio()
586 			       wb->bdi->max_prop_frac, nr);  in __wb_writeout_add()
591 				       wb->bdi->max_prop_frac, nr);  in __wb_writeout_add()
691 static int __bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio)  in __bdi_set_min_ratio()  argument
700 	if (min_ratio > bdi->max_ratio) {  in __bdi_set_min_ratio()
703 		if (min_ratio < bdi->min_ratio) {  in __bdi_set_min_ratio()
704 			delta = bdi->min_ratio - min_ratio;  in __bdi_set_min_ratio()
706 			bdi->min_ratio = min_ratio;  in __bdi_set_min_ratio()
708 			delta = min_ratio - bdi->min_ratio;  in __bdi_set_min_ratio()
711 				bdi->min_ratio = min_ratio;  in __bdi_set_min_ratio()
722 static int __bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio)  in __bdi_set_max_ratio()  argument
730 	if (bdi->min_ratio > max_ratio) {  in __bdi_set_max_ratio()
733 		bdi->max_ratio = max_ratio;  in __bdi_set_max_ratio()
734 		bdi->max_prop_frac = (FPROP_FRAC_BASE * max_ratio) /  in __bdi_set_max_ratio()
742 int bdi_set_min_ratio_no_scale(struct backing_dev_info *bdi, unsigned int min_ratio)  in bdi_set_min_ratio_no_scale()  argument
744 	return __bdi_set_min_ratio(bdi, min_ratio);  in bdi_set_min_ratio_no_scale()
747 int bdi_set_max_ratio_no_scale(struct backing_dev_info *bdi, unsigned int max_ratio)  in bdi_set_max_ratio_no_scale()  argument
749 	return __bdi_set_max_ratio(bdi, max_ratio);  in bdi_set_max_ratio_no_scale()
752 int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio)  in bdi_set_min_ratio()  argument
754 	return __bdi_set_min_ratio(bdi, min_ratio * BDI_RATIO_SCALE);  in bdi_set_min_ratio()
757 int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio)  in bdi_set_max_ratio()  argument
759 	return __bdi_set_max_ratio(bdi, max_ratio * BDI_RATIO_SCALE);  in bdi_set_max_ratio()
763 u64 bdi_get_min_bytes(struct backing_dev_info *bdi)  in bdi_get_min_bytes()  argument
765 	return bdi_get_bytes(bdi->min_ratio);  in bdi_get_min_bytes()
768 int bdi_set_min_bytes(struct backing_dev_info *bdi, u64 min_bytes)  in bdi_set_min_bytes()  argument
781 	return __bdi_set_min_ratio(bdi, min_ratio);  in bdi_set_min_bytes()
784 u64 bdi_get_max_bytes(struct backing_dev_info *bdi)  in bdi_get_max_bytes()  argument
786 	return bdi_get_bytes(bdi->max_ratio);  in bdi_get_max_bytes()
789 int bdi_set_max_bytes(struct backing_dev_info *bdi, u64 max_bytes)  in bdi_set_max_bytes()  argument
802 	return __bdi_set_max_ratio(bdi, max_ratio);  in bdi_set_max_bytes()
805 int bdi_set_strict_limit(struct backing_dev_info *bdi, unsigned int strict_limit)  in bdi_set_strict_limit()  argument
812 		bdi->capabilities |= BDI_CAP_STRICTLIMIT;  in bdi_set_strict_limit()
814 		bdi->capabilities &= ~BDI_CAP_STRICTLIMIT;  in bdi_set_strict_limit()
931 		if (unlikely(wb->bdi->capabilities & BDI_CAP_STRICTLIMIT))  in __wb_calc_thresh()
1122 	if (unlikely(wb->bdi->capabilities & BDI_CAP_STRICTLIMIT)) {  in wb_position_ratio()
1279 					&wb->bdi->tot_write_bandwidth) <= 0);  in wb_update_write_bandwidth()
1451 	if (unlikely(wb->bdi->capabilities & BDI_CAP_STRICTLIMIT)) {  in wb_update_dirty_ratelimit()
1828 	struct backing_dev_info *bdi = wb->bdi;  in balance_dirty_pages()  local
1829 	bool strictlimit = bdi->capabilities & BDI_CAP_STRICTLIMIT;  in balance_dirty_pages()
1979 		bdi->last_bdp_sleep = jiffies;  in balance_dirty_pages()
2051 	struct backing_dev_info *bdi = inode_to_bdi(inode);  in balance_dirty_pages_ratelimited_flags()  local
2057 	if (!(bdi->capabilities & BDI_CAP_WRITEBACK))  in balance_dirty_pages_ratelimited_flags()
2061 		wb = wb_get_create_current(bdi, GFP_KERNEL);  in balance_dirty_pages_ratelimited_flags()
2063 		wb = &bdi->wb;  in balance_dirty_pages_ratelimited_flags()
2227 	struct backing_dev_info *bdi;  in laptop_sync_completion()  local
2231 	list_for_each_entry_rcu(bdi, &bdi_list, bdi_list)  in laptop_sync_completion()
2232 		timer_delete(&bdi->laptop_mode_wb_timer);  in laptop_sync_completion()
3042 		struct backing_dev_info *bdi = inode_to_bdi(inode);  in __folio_end_writeback()  local
3049 		if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) {  in __folio_end_writeback()
3086 		struct backing_dev_info *bdi = inode_to_bdi(inode);  in __folio_start_writeback()  local
3097 		if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) {  in __folio_start_writeback()