extern int ntfs_attr_make_non_resident(ntfs_inode *ni, const u32 data_size);
+extern s64 ntfs_attr_extend_allocation(ntfs_inode *ni, s64 new_alloc_size,
+ const s64 new_data_size, const s64 data_start);
+
extern int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt,
const u8 val);