* stored using RAID0. That is, data will be split evenly and without
* redundancy across all OSTs in the layout.
*/
-#define LLAPI_LAYOUT_RAID0 0
+#define LLAPI_LAYOUT_RAID0 0ULL
+#define LLAPI_LAYOUT_MDT 2ULL
/**
* The layout includes a specific set of OSTs on which to allocate.