/* Eckd can only do full blocks. */
return ERR_PTR(-EINVAL);
count += bv->bv_len >> (device->s2b_shift + 9);
-#if defined(CONFIG_ARCH_S390X)
+#if defined(CONFIG_64BIT)
if (idal_is_needed (page_address(bv->bv_page),
bv->bv_len))
cidaw += bv->bv_len >> (device->s2b_shift + 9);