| Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 1 | #ifndef __DISKIO__ |
| 2 | #define __DISKIO__ |
| 3 | |
| Chris Mason | e20d96d | 2007-03-22 12:13:20 -0400 | [diff] [blame^] | 4 | #include <linux/buffer_head.h> |
| Chris Mason | 3768f36 | 2007-03-13 16:47:54 -0400 | [diff] [blame] | 5 | |
| Chris Mason | 123abc8 | 2007-03-14 14:14:43 -0400 | [diff] [blame] | 6 | #define BTRFS_SUPER_INFO_OFFSET (16 * 1024) |
| Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 7 | |
| Chris Mason | e20d96d | 2007-03-22 12:13:20 -0400 | [diff] [blame^] | 8 | static inline struct btrfs_node *btrfs_buffer_node(struct buffer_head *bh) |
| 9 | { |
| 10 | return (struct btrfs_node *)bh->b_data; |
| 11 | } |
| 12 | |
| 13 | static inline struct btrfs_leaf *btrfs_buffer_leaf(struct buffer_head *bh) |
| 14 | { |
| 15 | return (struct btrfs_leaf *)bh->b_data; |
| 16 | } |
| 17 | |
| 18 | static inline struct btrfs_header *btrfs_buffer_header(struct buffer_head *bh) |
| 19 | { |
| 20 | return &((struct btrfs_node *)bh->b_data)->header; |
| 21 | } |
| 22 | |
| 23 | struct buffer_head *read_tree_block(struct btrfs_root *root, u64 blocknr); |
| 24 | struct buffer_head *find_tree_block(struct btrfs_root *root, u64 blocknr); |
| 25 | int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, |
| 26 | struct buffer_head *buf); |
| 27 | int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, |
| 28 | struct buffer_head *buf); |
| 29 | int clean_tree_block(struct btrfs_trans_handle *trans, |
| 30 | struct btrfs_root *root, struct buffer_head *buf); |
| 31 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_root |
| 32 | *root, struct btrfs_super_block *s); |
| 33 | struct btrfs_root *open_ctree(struct super_block *sb, |
| 34 | struct buffer_head *sb_buffer, |
| 35 | struct btrfs_super_block *disk_super); |
| 36 | int close_ctree(struct btrfs_root *root); |
| 37 | void btrfs_block_release(struct btrfs_root *root, struct buffer_head *buf); |
| 38 | int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root *root, |
| 39 | struct btrfs_super_block *s); |
| 40 | int mkfs(int fd, u64 num_blocks, u32 blocksize); |
| Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 41 | #endif |