void btrfs_mark_buffer_dirty(struct extent_buffer *buf);
int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid);
int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
-int wait_on_tree_block_writeback(struct btrfs_root *root,
- struct extent_buffer *buf);
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len);
+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,
int write_tree_block(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct extent_buffer *eb);
-int write_and_map_eb(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct extent_buffer *eb);
+int write_and_map_eb(struct btrfs_root *root, struct extent_buffer *eb);
/* raid56.c */
void raid6_gen_syndrome(int disks, size_t bytes, void **ptrs);