13 struct tree_buffer *read_tree_block(struct ctree_root *root, u64 blocknr);
14 struct tree_buffer *find_tree_block(struct ctree_root *root, u64 blocknr);
15 int write_tree_block(struct ctree_root *root, struct tree_buffer *buf);
16 struct ctree_root *open_ctree(char *filename, struct ctree_super_block *s);
17 int close_ctree(struct ctree_root *root);
18 void tree_block_release(struct ctree_root *root, struct tree_buffer *buf);
19 int write_ctree_super(struct ctree_root *root, struct ctree_super_block *s);
22 #define CTREE_SUPER_INFO_OFFSET(bs) (16 * (bs))