ZwOpenDirectoryObject

NTSTATUS __stdcall ZwOpenDirectoryObject(
        PVOID *DirectoryHandle,
        UINT64 DesiredAccess,
        OBJECT_ATTRIBUTES *ObjectAttributes){
  NTSTATUS result; 
  _disable();
  __readeflags();
  KiServiceInternal();
  return result;
}

Referenced by:

BiGetNtPartitionPath
CmGetSystemDriverList
ExpFindArcName
IopGetLegacyVetoListDrivers
ObCreateSiloRootDirectory
ObpInitializeRootNamespace
PiDrvDbEnumDriverStoreNodes
SepCleanupLUIDDeviceMapDirectory
SiGetEfiSystemDevice