Sebastiaan van Stijn 403fcf5047 Perform fsmagic detection on driver's home-dir if it exists ...

The fsmagic check was always performed on "data-root" (`/var/lib/docker`),
not on the storage-driver's home directory (e.g. `/var/lib/docker/<somedriver>`).

This caused detection to be done on the wrong filesystem in situations
where `/var/lib/docker/<somedriver>` was a mount, and a different
filesystem than `/var/lib/docker` itself.

This patch checks if the storage-driver's home directory exists, and only
falls back to `/var/lib/docker` if it doesn't exist.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: f9c8fa305e1501d8056f8744cb193a720aab0e13
Component: engine

2017-12-04 17:10:07 -08:00

components/engine

Perform fsmagic detection on driver's home-dir if it exists

2017-12-04 17:10:07 -08:00

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