That shows that some offset are shared (everything but the symlinks)
PMOUNTMGR_MOUNT_POINT MountPoint)
{
trace("MountPoint: %p\n", MountPoint);
+ trace("\tSymbolicOffset: %ld\n", MountPoint->SymbolicLinkNameOffset);
trace("\tSymbolicLinkName: %.*S\n", MountPoint->SymbolicLinkNameLength / sizeof(WCHAR), (PWSTR)((ULONG_PTR)MountPoints + MountPoint->SymbolicLinkNameOffset));
+ trace("\tDeviceOffset: %ld\n", MountPoint->DeviceNameOffset);
trace("\tDeviceName: %.*S\n", MountPoint->DeviceNameLength / sizeof(WCHAR), (PWSTR)((ULONG_PTR)MountPoints + MountPoint->DeviceNameOffset));
}