struct _IO_REMOVE_LOCK_COMMON_BLOCK// Size=0x20
{
    unsigned char Removed;// Offset=0x0 Size=0x1
    unsigned char Reserved[3];// Offset=0x1 Size=0x3
    long IoCount;// Offset=0x4 Size=0x4
    struct _KEVENT RemoveEvent;// Offset=0x8 Size=0x18
};