···2590259025912591/*25922592 * Adjust data_offset and new_data_offset on all disk members of @rs25932593- * for out of place reshaping if requested by contructor25932593+ * for out of place reshaping if requested by constructor25942594 *25952595 * We need free space at the beginning of each raid disk for forward25962596 * and at the end for backward reshapes which userspace has to provide