FsRtlTruncateSmallMcb

NTSTATUS __stdcall FsRtlTruncateSmallMcb(INT64 a1, UINT64 *a2, INT64 a3, UINT64 a4){
  __int64 v8; 
  __int64 v10; 
  __int64 v11; 
  INT64 v12; 

  KeExitRetpoline();
  v8 = ((__int64)a2 >> 47) + 1;
  if( (__int64)a2 >> 47 != -1 && v8 != 1 )
  {
    *(_BYTE *)a1 = 0;
    *(_QWORD *)(a1 + 32) = a4 >> 8;
    v12 = a3;
    v10 = __ROL8__(a2, a3);
    v11 = __ROR8__(a1, a3);
    *(_QWORD *)(a1 + 40) ^= a4;
    *(_QWORD *)(a1 + 48) ^= a3;
    LODWORD(v8) = KiCustomAccessRoutine0(a2);
  }
  return v8;
}

Referenced by: