127 void init_ro_spine(struct ro_spine *s, struct dm_btree_info *info)  in init_ro_spine()
135 int exit_ro_spine(struct ro_spine *s)  in exit_ro_spine()
148 int ro_step(struct ro_spine *s, dm_block_t new_child)  in ro_step()
167 struct node *ro_node(struct ro_spine *s)  in ro_node()
179 void init_shadow_spine(struct shadow_spine *s, struct dm_btree_info *info)  in init_shadow_spine()
185 int exit_shadow_spine(struct shadow_spine *s)  in exit_shadow_spine()
198 int shadow_step(struct shadow_spine *s, dm_block_t b,  in shadow_step()
222 struct dm_block *shadow_current(struct shadow_spine *s)  in shadow_current()
229 struct dm_block *shadow_parent(struct shadow_spine *s)  in shadow_parent()
236 int shadow_has_parent(struct shadow_spine *s)  in shadow_has_parent()
241 int shadow_root(struct shadow_spine *s)  in shadow_root()