CcIsFileObjectDirectMapped

BOOL __fastcall CcIsFileObjectDirectMapped(INT64 a1, CHAR a2){
  bool v2; 
  int v4; 
  __int64 v5; 
  __int64 v6; 
  struct _KLOCK_QUEUE_HANDLE LockHandle; 
  v2 = 0;
  memset(&LockHandle, 0, sizeof(LockHandle));
  v4 = a2 & 1;
  if( (a2 & 1) == 0 )
    KeAcquireInStackQueuedSpinLock(&CcMasterLock, &LockHandle);
  v5 = *(_QWORD *)(a1 + 40);
  if( v5 )
  {
    v6 = *(_QWORD *)(v5 + 8);
    if( v6 )
      v2 = (*(_DWORD *)(v6 + 152) & 0x40000000) != 0;
  }
  if( !v4 )
  {
    KeReleaseInStackQueuedSpinLockFromDpcLevel(&LockHandle);
    LODWORD(v5) = KiIrqlFlags;
    __writecr8(LockHandle.OldIrql);
  }
  LOBYTE(v5) = v2;
  return v5;
}

Referenced by: