_FILE_OBJECT_EXTENSION_TYPE

//0x4 bytes (sizeof) enum _FILE_OBJECT_EXTENSION_TYPE { FoExtTypeTransactionParams = 0, FoExtTypeInternal = 1, FoExtTypeIosbRange = 2, FoExtTypeGeneric = 3, FoExtTypeSfio = 4, FoExtTypeSymlink = 5, FoExtTypeOplockKey = 6, FoExtTypeSilo = 7, MaxFoExtTypes = 8 };