We eject the memory device even if it is in use.  It is very dangerous,
and it will cause the kernel to be panicked.
Signed-off-by: NWen Congyang <wency@cn.fujitsu.com>
Reviewed-by: NYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: NDavid Rientjes <rientjes@google.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>