| #ifndef __DISKIO__ | |
| #define __DISKIO__ | |
| struct tree_buffer { | |
| u64 blocknr; | |
| int count; | |
| union { | |
| struct node node; | |
| struct leaf leaf; | |
| }; | |
| }; | |
| struct tree_buffer *read_tree_block(struct ctree_root *root, u64 blocknr); | |
| int write_tree_block(struct ctree_root *root, struct tree_buffer *buf); | |
| struct ctree_root *open_ctree(char *filename); | |
| int close_ctree(struct ctree_root *root); | |
| void tree_block_release(struct ctree_root *root, struct tree_buffer *buf); | |
| struct tree_buffer *alloc_free_block(struct ctree_root *root); | |
| int update_root_block(struct ctree_root *root); | |
| #endif |