struct _PS_IO_CONTROL_ENTRY// Size=0x1c
{
    struct _RTL_BALANCED_NODE VolumeTreeNode;// Offset=0x0 Size=0xc
    struct _LIST_ENTRY FreeListEntry;// Offset=0x0 Size=0x8
    unsigned long ReservedForParentValue;// Offset=0x8 Size=0x4
    unsigned long VolumeKey;// Offset=0xc Size=0x4
    struct _EX_RUNDOWN_REF Rundown;// Offset=0x10 Size=0x4
    void * IoControl;// Offset=0x14 Size=0x4
    void * VolumeIoAttribution;// Offset=0x18 Size=0x4
};