forked from Mirrors/btrfs-progs
31 lines
971 B
C
31 lines
971 B
C
#ifndef __DISKIO__
|
|
#define __DISKIO__
|
|
#include "list.h"
|
|
|
|
struct tree_buffer {
|
|
u64 blocknr;
|
|
int count;
|
|
union {
|
|
struct node node;
|
|
struct leaf leaf;
|
|
};
|
|
struct list_head dirty;
|
|
struct list_head cache;
|
|
};
|
|
|
|
struct tree_buffer *read_tree_block(struct ctree_root *root, u64 blocknr);
|
|
struct tree_buffer *find_tree_block(struct ctree_root *root, u64 blocknr);
|
|
int write_tree_block(struct ctree_root *root, struct tree_buffer *buf);
|
|
int dirty_tree_block(struct ctree_root *root, struct tree_buffer *buf);
|
|
int clean_tree_block(struct ctree_root *root, struct tree_buffer *buf);
|
|
int commit_transaction(struct ctree_root *root);
|
|
struct ctree_root *open_ctree(char *filename, struct ctree_super_block *s);
|
|
int close_ctree(struct ctree_root *root);
|
|
void tree_block_release(struct ctree_root *root, struct tree_buffer *buf);
|
|
int write_ctree_super(struct ctree_root *root, struct ctree_super_block *s);
|
|
int mkfs(int fd);
|
|
|
|
#define CTREE_SUPER_INFO_OFFSET(bs) (16 * (bs))
|
|
|
|
#endif
|