Also remove the target from the Mount struct because it should not be
used at all. The target can be variable and set by a caller, not by the
snapshot drivers.
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
A light weight overlay implementation that emits working mounts is
demonstrated. One can prepare and commit changes. The diffs are
correctly held on disk.
The next step from here is to implement the changes methods and ensure
that we can work with the docker registry API.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
Michael Crosby