vendor: update containers/storage

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

vendor.conf

@@ -12,7 +12,7 @@ github.com/containerd/continuity master
 github.com/containernetworking/cni v0.7.0-alpha1
 github.com/containernetworking/plugins 1562a1e60ed101aacc5e08ed9dbeba8e9f3d4ec1
 github.com/containers/image bd10b1b53b2976f215b3f2f848fb8e7cad779aeb
-github.com/containers/storage 24f0de45708bc6e4c8062828cd03812aaebc30db https://github.com/rhatdan/storage
+github.com/containers/storage bd5818eda84012cf1db4dafbddd4b7509bb77142
 github.com/containers/psgo 5dde6da0bc8831b35243a847625bcf18183bd1ee
 github.com/coreos/go-systemd v14
 github.com/cri-o/ocicni 2d2983e40c242322a56c22a903785e7f83eb378c

vendor/github.com/containers/storage/drivers/overlay/overlay.go

@@ -138,10 +138,12 @@ func Init(home string, options []string, uidMaps, gidMaps []idtools.IDMap) (grap
 	}
 
 	// check if they are running over btrfs, aufs, zfs, overlay, or ecryptfs
-	switch fsMagic {
-	case graphdriver.FsMagicAufs, graphdriver.FsMagicZfs, graphdriver.FsMagicOverlay, graphdriver.FsMagicEcryptfs:
-		logrus.Errorf("'overlay' is not supported over %s", backingFs)
-		return nil, errors.Wrapf(graphdriver.ErrIncompatibleFS, "'overlay' is not supported over %s", backingFs)
+	if opts.mountProgram == "" {
+		switch fsMagic {
+		case graphdriver.FsMagicAufs, graphdriver.FsMagicZfs, graphdriver.FsMagicOverlay, graphdriver.FsMagicEcryptfs:
+			logrus.Errorf("'overlay' is not supported over %s", backingFs)
+			return nil, errors.Wrapf(graphdriver.ErrIncompatibleFS, "'overlay' is not supported over %s", backingFs)
+		}
 	}
 
 	rootUID, rootGID, err := idtools.GetRootUIDGID(uidMaps, gidMaps)