agent/taskresource/volume/dockervolume.go
func (vol *VolumeResource) KnownCreated() bool {
	vol.lock.RLock()
	defer vol.lock.RUnlock()

	return vol.knownStatusUnsafe == resourcestatus.ResourceStatus(VolumeCreated)
}
func (vol *VolumeResource) KnownCreated() bool {
	vol.lock.RLock()
	defer vol.lock.RUnlock()

	return vol.knownStatusUnsafe == resourcestatus.ResourceStatus(VolumeCreated)
}
// KnownCreated returns true if the volume's known status is CREATED