Lines Matching refs:em
28 /* This em is merged from two or more physically adjacent ems */
47 * Generation of the extent map, for merged em it's the highest
68 static inline int extent_map_in_tree(const struct extent_map *em)
70 return !RB_EMPTY_NODE(&em->rb_node);
73 static inline u64 extent_map_end(struct extent_map *em)
75 if (em->start + em->len < em->start)
77 return em->start + em->len;
80 static inline u64 extent_map_block_end(struct extent_map *em)
82 if (em->block_start + em->block_len < em->block_start)
84 return em->block_start + em->block_len;
91 struct extent_map *em, int modified);
92 void remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em);
97 void free_extent_map(struct extent_map *em);
101 void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em);