union _unnamed_1201// Size=0x4
{
    long FlushCompleting:1;// Offset=0x0 Size=0x4 BitOffset=0x0 BitSize=0x1
    long FlushInProgress:31;// Offset=0x0 Size=0x4 BitOffset=0x1 BitSize=0x1f
    long Long;// Offset=0x0 Size=0x4
};