LCOW: Regular mount if only one layer
@@ -299,7 +299,10 @@ func (svm *serviceVM) createUnionMount(mountName string, mvds ...hcsshim.MappedV
}
var cmd string
- if mvds[0].ReadOnly {
+ if len(mvds) == 1 {
+ // `FROM SCRATCH` case and the only layer. No overlay required.
+ cmd = fmt.Sprintf("mount %s %s", mvds[0].ContainerPath, mountName)
+ } else if mvds[0].ReadOnly {
// Readonly overlay
cmd = fmt.Sprintf("mount -t overlay overlay -olowerdir=%s %s",
strings.Join(lowerLayers, ","),
