1a17bc6bc4
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>
(cherry picked from commit
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| .. | ||
| images | ||
| EBS_volume.md | ||
| config.md | ||
| index.md | ||
| legacy_plugins.md | ||
| plugin_api.md | ||
| plugins_authorization.md | ||
| plugins_graphdriver.md | ||
| plugins_network.md | ||
| plugins_volume.md | ||