280 struct address_space;
347 	int (*writepages)(struct address_space *, struct writeback_control *);
356 	int (*readpages)(struct file *filp, struct address_space *mapping,
359 	int (*write_begin)(struct file *, struct address_space *mapping,
362 	int (*write_end)(struct file *, struct address_space *mapping,
367 	sector_t (*bmap)(struct address_space *, sector_t);
376 	int (*migratepage) (struct address_space *,
384 	int (*error_remove_page)(struct address_space *, struct page *);
398 int pagecache_write_begin(struct file *, struct address_space *mapping,
402 int pagecache_write_end(struct file *, struct address_space *mapping,
406 struct address_space {  struct
478 int mapping_tagged(struct address_space *mapping, int tag);
480 static inline void i_mmap_lock_write(struct address_space *mapping)  in i_mmap_lock_write()
485 static inline void i_mmap_unlock_write(struct address_space *mapping)  in i_mmap_unlock_write()
490 static inline void i_mmap_lock_read(struct address_space *mapping)  in i_mmap_lock_read()
495 static inline void i_mmap_unlock_read(struct address_space *mapping)  in i_mmap_unlock_read()
503 static inline int mapping_mapped(struct address_space *mapping)  in mapping_mapped()
517 static inline int mapping_writably_mapped(struct address_space *mapping)  in mapping_writably_mapped()
522 static inline int mapping_map_writable(struct address_space *mapping)  in mapping_map_writable()
528 static inline void mapping_unmap_writable(struct address_space *mapping)  in mapping_unmap_writable()
533 static inline int mapping_deny_writable(struct address_space *mapping)  in mapping_deny_writable()
539 static inline void mapping_allow_writable(struct address_space *mapping)  in mapping_allow_writable()
598 	struct address_space	*i_mapping;
665 	struct address_space	i_data;
918 	struct address_space	*f_mapping;
2624 unsigned long invalidate_mapping_pages(struct address_space *mapping,
2633 extern int invalidate_inode_pages2(struct address_space *mapping);
2634 extern int invalidate_inode_pages2_range(struct address_space *mapping,
2637 extern int filemap_fdatawrite(struct address_space *);
2638 extern int filemap_flush(struct address_space *);
2639 extern int filemap_fdatawait_keep_errors(struct address_space *mapping);
2640 extern int filemap_fdatawait_range(struct address_space *, loff_t lstart,
2643 static inline int filemap_fdatawait(struct address_space *mapping)  in filemap_fdatawait()
2648 extern bool filemap_range_has_page(struct address_space *, loff_t lstart,
2650 extern int filemap_write_and_wait(struct address_space *mapping);
2651 extern int filemap_write_and_wait_range(struct address_space *mapping,
2653 extern int __filemap_fdatawrite_range(struct address_space *mapping,
2655 extern int filemap_fdatawrite_range(struct address_space *mapping,
2657 extern int filemap_check_errors(struct address_space *mapping);
2658 extern void __filemap_set_wb_err(struct address_space *mapping, int err);
2685 static inline void filemap_set_wb_err(struct address_space *mapping, int err)  in filemap_set_wb_err()
2702 static inline int filemap_check_wb_err(struct address_space *mapping,  in filemap_check_wb_err()
2715 static inline errseq_t filemap_sample_wb_err(struct address_space *mapping)  in filemap_sample_wb_err()
2895 extern void address_space_init_once(struct address_space *mapping);
3000 file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
3177 extern int simple_write_begin(struct file *file, struct address_space *mapping,
3180 extern int simple_write_end(struct file *file, struct address_space *mapping,
3212 extern int buffer_migrate_page(struct address_space *,