-extern struct page * find_get_page(struct address_space *mapping,
- pgoff_t index);
-extern struct page * find_lock_page(struct address_space *mapping,
- pgoff_t index);
-extern struct page * find_or_create_page(struct address_space *mapping,
- pgoff_t index, gfp_t gfp_mask);
+pgoff_t page_cache_next_hole(struct address_space *mapping,
+ pgoff_t index, unsigned long max_scan);
+pgoff_t page_cache_prev_hole(struct address_space *mapping,
+ pgoff_t index, unsigned long max_scan);
+
+struct page *find_get_entry(struct address_space *mapping, pgoff_t offset);
+struct page *find_get_page(struct address_space *mapping, pgoff_t offset);
+struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset);
+struct page *find_lock_page(struct address_space *mapping, pgoff_t offset);
+struct page *find_or_create_page(struct address_space *mapping, pgoff_t index,
+ gfp_t gfp_mask);
+unsigned find_get_entries(struct address_space *mapping, pgoff_t start,
+ unsigned int nr_entries, struct page **entries,
+ pgoff_t *indices);