93 				&wb->bdi->tot_write_bandwidth);  in wb_io_lists_populated()
104 					&wb->bdi->tot_write_bandwidth) < 0);  in wb_io_lists_depopulated()
242 	struct backing_dev_info *bdi = inode_to_bdi(inode);  in __inode_attach_wb()  local
250 			wb = wb_get_create(bdi, memcg_css, GFP_ATOMIC);  in __inode_attach_wb()
254 			wb = wb_get_create(bdi, memcg_css, GFP_ATOMIC);  in __inode_attach_wb()
260 		wb = &bdi->wb;  in __inode_attach_wb()
287 	if (wb != &wb->bdi->wb)  in inode_cgwb_move_to_attached()
362 static void bdi_down_write_wb_switch_rwsem(struct backing_dev_info *bdi)  in bdi_down_write_wb_switch_rwsem()  argument
364 	down_write(&bdi->wb_switch_rwsem);  in bdi_down_write_wb_switch_rwsem()
367 static void bdi_up_write_wb_switch_rwsem(struct backing_dev_info *bdi)  in bdi_up_write_wb_switch_rwsem()  argument
369 	up_write(&bdi->wb_switch_rwsem);  in bdi_up_write_wb_switch_rwsem()
470 	struct backing_dev_info *bdi = inode_to_bdi(isw->inodes[0]);  in inode_switch_wbs_work_fn()  local
480 	down_read(&bdi->wb_switch_rwsem);  in inode_switch_wbs_work_fn()
509 	up_read(&bdi->wb_switch_rwsem);  in inode_switch_wbs_work_fn()
562 	struct backing_dev_info *bdi = inode_to_bdi(inode);  in inode_switch_wbs()  local
589 	isw->new_wb = wb_get_create(bdi, memcg_css, GFP_ATOMIC);  in inode_switch_wbs()
658 		isw->new_wb = wb_get_create(wb->bdi, memcg_css, GFP_KERNEL);  in cleanup_offline_cgwb()
663 		isw->new_wb = &wb->bdi->wb; /* wb_get() is noop for bdi's wb */  in cleanup_offline_cgwb()
930 	unsigned long tot_bw = atomic_long_read(&wb->bdi->tot_write_bandwidth);  in wb_split_bdi_pages()
957 static void bdi_split_work_to_wbs(struct backing_dev_info *bdi,  in bdi_split_work_to_wbs()  argument
962 	struct bdi_writeback *wb = list_entry(&bdi->wb_list,  in bdi_split_work_to_wbs()
968 	list_for_each_entry_continue_rcu(wb, &bdi->wb_list, bdi_node) {  in bdi_split_work_to_wbs()
969 		DEFINE_WB_COMPLETION(fallback_work_done, bdi);  in bdi_split_work_to_wbs()
1041 	struct backing_dev_info *bdi;  in cgroup_writeback_by_id()  local
1049 	bdi = bdi_get_by_id(bdi_id);  in cgroup_writeback_by_id()
1050 	if (!bdi)  in cgroup_writeback_by_id()
1067 	wb = wb_get_lookup(bdi, memcg_css);  in cgroup_writeback_by_id()
1105 	bdi_put(bdi);  in cgroup_writeback_by_id()
1148 static void bdi_down_write_wb_switch_rwsem(struct backing_dev_info *bdi) { }  in bdi_down_write_wb_switch_rwsem()  argument
1149 static void bdi_up_write_wb_switch_rwsem(struct backing_dev_info *bdi) { }  in bdi_up_write_wb_switch_rwsem()  argument
1189 static void bdi_split_work_to_wbs(struct backing_dev_info *bdi,  in bdi_split_work_to_wbs()  argument
1195 	if (!skip_if_busy || !writeback_in_progress(&bdi->wb)) {  in bdi_split_work_to_wbs()
1197 		wb_queue_work(&bdi->wb, base_work);  in bdi_split_work_to_wbs()
2271 	set_worker_desc("flush-%s", bdi_dev_name(wb->bdi));  in wb_workfn()
2306 static void __wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,  in __wakeup_flusher_threads_bdi()  argument
2311 	if (!bdi_has_dirty_io(bdi))  in __wakeup_flusher_threads_bdi()
2314 	list_for_each_entry_rcu(wb, &bdi->wb_list, bdi_node)  in __wakeup_flusher_threads_bdi()
2318 void wakeup_flusher_threads_bdi(struct backing_dev_info *bdi,  in wakeup_flusher_threads_bdi()  argument
2322 	__wakeup_flusher_threads_bdi(bdi, reason);  in wakeup_flusher_threads_bdi()
2331 	struct backing_dev_info *bdi;  in wakeup_flusher_threads()  local
2339 	list_for_each_entry_rcu(bdi, &bdi_list, bdi_list)  in wakeup_flusher_threads()
2340 		__wakeup_flusher_threads_bdi(bdi, reason);  in wakeup_flusher_threads()
2364 	struct backing_dev_info *bdi;  in wakeup_dirtytime_writeback()  local
2367 	list_for_each_entry_rcu(bdi, &bdi_list, bdi_list) {  in wakeup_dirtytime_writeback()
2370 		list_for_each_entry_rcu(wb, &bdi->wb_list, bdi_node)  in wakeup_dirtytime_writeback()
2550 			    (wb->bdi->capabilities & BDI_CAP_WRITEBACK))  in __mark_inode_dirty()
2659 	struct backing_dev_info *bdi = sb->s_bdi;  in __writeback_inodes_sb_nr()  local
2660 	DEFINE_WB_COMPLETION(done, bdi);  in __writeback_inodes_sb_nr()
2670 	if (!bdi_has_dirty_io(bdi) || bdi == &noop_backing_dev_info)  in __writeback_inodes_sb_nr()
2737 	struct backing_dev_info *bdi = sb->s_bdi;  in sync_inodes_sb()  local
2738 	DEFINE_WB_COMPLETION(done, bdi);  in sync_inodes_sb()
2754 	if (bdi == &noop_backing_dev_info)  in sync_inodes_sb()
2759 	bdi_down_write_wb_switch_rwsem(bdi);  in sync_inodes_sb()
2760 	bdi_split_work_to_wbs(bdi, &work, false);  in sync_inodes_sb()
2762 	bdi_up_write_wb_switch_rwsem(bdi);  in sync_inodes_sb()