int read_extent_data(struct btrfs_fs_info *fs_info, char *data, u64 logical,
u64 *len, int mirror);
void readahead_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
- u32 blocksize, u64 parent_transid);
+ u64 parent_transid);
struct extent_buffer* btrfs_find_create_tree_block(
struct btrfs_fs_info *fs_info, u64 bytenr);
u32 btrfs_csum_data(char *data, u32 seed, size_t len);
void btrfs_csum_final(u32 crc, u8 *result);
-int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
- struct btrfs_root *root);
int btrfs_open_device(struct btrfs_device *dev);
int csum_tree_block_size(struct extent_buffer *buf, u16 csum_sectorsize,
int verify);