+static int unit_base_verify(struct fio_option *o, void *data)
+{
+ struct thread_data *td = data;
+
+ /* 0 = default, pick based on engine
+ * 1 = use bits
+ * 8 = use bytes
+ */
+ if (td->o.unit_base != 0 &&
+ td->o.unit_base != 1 &&
+ td->o.unit_base != 8) {
+ log_err("fio: unit_base set to nonsensical value: %u\n",
+ td->o.unit_base);
+ return 1;
+ }
+
+ return 0;
+}
+