Prior to the volumes re-factor, data was not being copied on volumes-from or host-mounted volumes. After the re-factor, data was being copied for volumes-from. This reverts this unintentional change in behavior. Signed-off-by: Brian Goff <cpuguy83@gmail.com> Upstream-commit: e95b6fb648ab6301b556192a9730a843fab7209f Component: engine