This is needed for BTRFS. Change-Id: I7415e99a6f06aef89f3520ebe9a9ba92a9189059 Signed-off-by: Marek Behun <marek.behun@nic.cz> Signed-off-by: Kever Yang <kever.yang@rock-chips.com> (cherry picked from commit 85d8bf57131a21424b50e50884372e813345f09a)