Commit | Line | Data |
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eb60ceac CM |
1 | #ifndef __DISKIO__ |
2 | #define __DISKIO__ | |
ed2ff2cb | 3 | #include "list.h" |
eb60ceac | 4 | |
234b63a0 | 5 | struct btrfs_buffer { |
eb60ceac CM |
6 | u64 blocknr; |
7 | int count; | |
123abc88 CM |
8 | struct list_head dirty; |
9 | struct list_head cache; | |
eb60ceac | 10 | union { |
234b63a0 CM |
11 | struct btrfs_node node; |
12 | struct btrfs_leaf leaf; | |
eb60ceac CM |
13 | }; |
14 | }; | |
15 | ||
234b63a0 CM |
16 | struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr); |
17 | struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 blocknr); | |
e089f05c CM |
18 | int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, |
19 | struct btrfs_buffer *buf); | |
20 | int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, | |
21 | struct btrfs_buffer *buf); | |
22 | int clean_tree_block(struct btrfs_trans_handle *trans, | |
23 | struct btrfs_root *root, struct btrfs_buffer *buf); | |
24 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_root | |
25 | *root, struct btrfs_super_block *s); | |
234b63a0 | 26 | struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s); |
2e635a27 | 27 | struct btrfs_root *open_ctree_fd(int fp, struct btrfs_super_block *super); |
234b63a0 CM |
28 | int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s); |
29 | void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf); | |
e089f05c CM |
30 | int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root *root, |
31 | struct btrfs_super_block *s); | |
123abc88 | 32 | int mkfs(int fd, u64 num_blocks, u32 blocksize); |
d97e63b6 | 33 | |
123abc88 | 34 | #define BTRFS_SUPER_INFO_OFFSET (16 * 1024) |
eb60ceac CM |
35 | |
36 | #endif |