INT8 __fastcall FsRtlOplockIsFastIoPossible(INT64 a1){
INT8 result;
int v2;
result = 1;
if( *(_QWORD *)a1 )
{
v2 = *(_DWORD *)(*(_QWORD *)a1 + 144i64);
if( v2 != 1 && (v2 & 0x1F00F40) != 64 )
return 0;
}
return result;
}