forked from Mirrors/btrfs-progs
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
#ifndef __DISKIO__
|
|
#define __DISKIO__
|
|
#include "list.h"
|
|
|
|
struct btrfs_buffer {
|
|
u64 blocknr;
|
|
int count;
|
|
struct list_head dirty;
|
|
struct list_head cache;
|
|
union {
|
|
struct btrfs_node node;
|
|
struct btrfs_leaf leaf;
|
|
};
|
|
};
|
|
|
|
struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr);
|
|
struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 blocknr);
|
|
int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
|
|
struct btrfs_buffer *buf);
|
|
int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
|
|
struct btrfs_buffer *buf);
|
|
int clean_tree_block(struct btrfs_trans_handle *trans,
|
|
struct btrfs_root *root, struct btrfs_buffer *buf);
|
|
int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_root
|
|
*root, struct btrfs_super_block *s);
|
|
struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s);
|
|
struct btrfs_root *open_ctree_fd(int fp, struct btrfs_super_block *super);
|
|
int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s);
|
|
void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf);
|
|
int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root *root,
|
|
struct btrfs_super_block *s);
|
|
int mkfs(int fd, u64 num_blocks, u32 blocksize);
|
|
|
|
#define BTRFS_SUPER_INFO_OFFSET (16 * 1024)
|
|
|
|
#endif
|