code: func (c *controlPlaneHostPathMounts) AddExtraHostPathMounts(component string, extraVols []kubeadmapi.HostPathMount) {
  	for _, extraVol := range extraVols {
  		fmt.Printf("[controlplane] Adding extra host path mount %q to %q\n", extraVol.Name, component)
  		hostPathType := extraVol.PathType
  		c.NewHostPathMount(component, extraVol.Name, extraVol.HostPath, extraVol.MountPath, extraVol.ReadOnly, &hostPathType)
  	}
  }
docs: // AddExtraHostPathMounts adds host path mounts and overwrites the default
  // paths in the case that a user specifies the same volume/volume mount name.