+\r
+/**\r
+ Install child handles if the Handle supports MBR format.\r
+\r
+ @param This Calling context.\r
+ @param Handle Parent Handle.\r
+ @param DiskIo Parent DiskIo interface.\r
+ @param BlockIo Parent BlockIo interface.\r
+ @param DevicePath Parent Device Path.\r
+ \r
+ @retval EFI_SUCCESS A child handle was added.\r
+ @retval EFI_MEDIA_CHANGED Media change was detected.\r
+ @retval Others MBR partition was not found.\r
+\r
+**/\r