Brian Goff a14a8b183d Make propagated mount persist outside rootfs ...

This persists the "propagated mount" for plugins outside the main
rootfs. This enables `docker plugin upgrade` to not remove potentially
important data during upgrade rather than forcing plugin authors to hard
code a host path to persist data to.

Also migrates old plugins that have a propagated mount which is in the
rootfs on daemon startup.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: e8307b868de9f19bb97f5cafcd727df5c5f501be
Component: engine

2017-02-03 16:22:58 -05:00

components/engine

Make propagated mount persist outside rootfs

2017-02-03 16:22:58 -05:00

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