///\r
#define RETURN_WARN_STALE_DATA ENCODE_WARNING (5)\r
\r
+///\r
+/// The resulting buffer contains UEFI-compliant file system.\r
+///\r
+#define RETURN_WARN_FILE_SYSTEM ENCODE_WARNING (6)\r
+\r
+\r
/**\r
Returns a 16-bit signature built from 2 ASCII characters.\r
\r