Rename the "DevmapperLogCallback" exported-to-C function to
"StorageDevmapperLogCallback", to avoid tripping up anyone who vendors
the library but already has a copy of the "pkg/devicemapper" pkg which
defines the callback with its previous name.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
If a device has been scheduled for deferred deactivation and container
is started again and we need to activate device again, we need to cancel
the deferred deactivation which is already scheduled on the device.
Create a method for the same.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
