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- #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
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