| Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame^] | 1 | #ifndef __DISKIO__ |
| 2 | #define __DISKIO__ |
| 3 | |
| 4 | struct tree_buffer { |
| 5 | u64 blocknr; |
| 6 | int count; |
| 7 | union { |
| 8 | struct node node; |
| 9 | struct leaf leaf; |
| 10 | }; |
| 11 | }; |
| 12 | |
| 13 | struct tree_buffer *read_tree_block(struct ctree_root *root, u64 blocknr); |
| 14 | int write_tree_block(struct ctree_root *root, struct tree_buffer *buf); |
| 15 | struct ctree_root *open_ctree(char *filename); |
| 16 | int close_ctree(struct ctree_root *root); |
| 17 | void tree_block_release(struct ctree_root *root, struct tree_buffer *buf); |
| 18 | struct tree_buffer *alloc_free_block(struct ctree_root *root); |
| 19 | int update_root_block(struct ctree_root *root); |
| 20 | |
| 21 | #endif |