bb99a3bd7b
This implements the new Put() operation such that Get()/Put() maintains a refcount for each ID, mounting only on first Get() and unmounting on the last Get(). This means we avoid littering the system with lots of mounts and free resources related to them. Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson) Upstream-commit: 5fe26ee426b9d748605c538829f30885462ad932 Component: engine