21 lines
573 B
C
21 lines
573 B
C
#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
|