32 void wb_start_writeback(struct bdi_writeback *wb, long nr_pages,
34 void wb_start_background_writeback(struct bdi_writeback *wb);
36 void wb_wakeup_delayed(struct bdi_writeback *wb);
43 static inline bool wb_has_dirty_io(struct bdi_writeback *wb)  in wb_has_dirty_io()
57 static inline void __add_wb_stat(struct bdi_writeback *wb,  in __add_wb_stat()
63 static inline void __inc_wb_stat(struct bdi_writeback *wb,  in __inc_wb_stat()
69 static inline void inc_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)  in inc_wb_stat()
78 static inline void __dec_wb_stat(struct bdi_writeback *wb,  in __dec_wb_stat()
84 static inline void dec_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)  in dec_wb_stat()
93 static inline s64 wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)  in wb_stat()
98 static inline s64 __wb_stat_sum(struct bdi_writeback *wb,  in __wb_stat_sum()
104 static inline s64 wb_stat_sum(struct bdi_writeback *wb, enum wb_stat_item item)  in wb_stat_sum()
116 extern void wb_writeout_inc(struct bdi_writeback *wb);
121 static inline unsigned long wb_stat_error(struct bdi_writeback *wb)  in wb_stat_error()
170 static inline bool writeback_in_progress(struct bdi_writeback *wb)  in writeback_in_progress()
190 static inline int wb_congested(struct bdi_writeback *wb, int cong_bits)  in wb_congested()
247 struct bdi_writeback *wb_get_create(struct backing_dev_info *bdi,
284 static inline struct bdi_writeback *wb_find_current(struct backing_dev_info *bdi)  in wb_find_current()
287 	struct bdi_writeback *wb;  in wb_find_current()
313 static inline struct bdi_writeback *
316 	struct bdi_writeback *wb;  in wb_get_create_current()
354 static inline struct bdi_writeback *inode_to_wb(struct inode *inode)  in inode_to_wb()
380 static inline struct bdi_writeback *
434 static inline struct bdi_writeback *wb_find_current(struct backing_dev_info *bdi)  in wb_find_current()
439 static inline struct bdi_writeback *
450 static inline struct bdi_writeback *inode_to_wb(struct inode *inode)  in inode_to_wb()
455 static inline struct bdi_writeback *