+ difference = efi_label->efi_last_lba - efi_label->efi_altern_lba;
+
+ /*
+ * Find the last physically non-zero partition.
+ * This is the reserved partition.
+ */
+ for (i = 0; i < efi_label->efi_nparts; i ++) {
+ if (resv_start < efi_label->efi_parts[i].p_start) {
+ resv_start = efi_label->efi_parts[i].p_start;
+ resv_index = i;
+ }
+ }
+