14 			sizeof(struct extent_map), 0,  in extent_map_init()
48 struct extent_map *alloc_extent_map(void)  in alloc_extent_map()
50 	struct extent_map *em;  in alloc_extent_map()
70 void free_extent_map(struct extent_map *em)  in free_extent_map()
92 static int tree_insert(struct rb_root *root, struct extent_map *em)  in tree_insert()
96 	struct extent_map *entry = NULL;  in tree_insert()
102 		entry = rb_entry(parent, struct extent_map, rb_node);  in tree_insert()
115 		entry = rb_entry(parent, struct extent_map, rb_node);  in tree_insert()
122 	entry = rb_entry(parent, struct extent_map, rb_node);  in tree_insert()
125 		entry = rb_entry(parent, struct extent_map, rb_node);  in tree_insert()
147 	struct extent_map *entry;  in __tree_search()
148 	struct extent_map *prev_entry = NULL;  in __tree_search()
151 		entry = rb_entry(n, struct extent_map, rb_node);  in __tree_search()
167 			prev_entry = rb_entry(prev, struct extent_map, rb_node);  in __tree_search()
174 		prev_entry = rb_entry(prev, struct extent_map, rb_node);  in __tree_search()
177 			prev_entry = rb_entry(prev, struct extent_map, rb_node);  in __tree_search()
185 static int mergable_maps(struct extent_map *prev, struct extent_map *next)  in mergable_maps()
225 static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)  in try_merge_map()
227 	struct extent_map *merge = NULL;  in try_merge_map()
244 			merge = rb_entry(rb, struct extent_map, rb_node);  in try_merge_map()
263 		merge = rb_entry(rb, struct extent_map, rb_node);  in try_merge_map()
290 	struct extent_map *em;  in unpin_extent_cache()
325 void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em)  in clear_em_logging()
333 					struct extent_map *em,  in setup_extent_mapping()
357 		       struct extent_map *em, int modified)  in add_extent_mapping()
370 static struct extent_map *
374 	struct extent_map *em;  in __lookup_extent_mapping()
390 	em = rb_entry(rb_node, struct extent_map, rb_node);  in __lookup_extent_mapping()
410 struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,  in lookup_extent_mapping()
427 struct extent_map *search_extent_mapping(struct extent_map_tree *tree,  in search_extent_mapping()
441 int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em)  in remove_extent_mapping()
454 			    struct extent_map *cur,  in replace_extent_mapping()
455 			    struct extent_map *new,  in replace_extent_mapping()