Vendor in container/storage v1.20.2

Also modify gate Dockerfile to take advantage of skipping
mounting of the storage directory.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/storage/drivers/devmapper/deviceset.go

@@ -1544,8 +1544,8 @@ func getDeviceMajorMinor(file *os.File) (uint64, uint64, error) {
 	}
 
 	dev := stat.Rdev
-	majorNum := major(dev)
-	minorNum := minor(dev)
+	majorNum := major(uint64(dev))
+	minorNum := minor(uint64(dev))
 
 	logrus.Debugf("devmapper: Major:Minor for device: %s is:%v:%v", file.Name(), majorNum, minorNum)
 	return majorNum, minorNum, nil

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

@@ -311,6 +311,9 @@ func parseOptions(options []string) (*overlayOptions, error) {
 				return nil, fmt.Errorf("overlay: can't stat program %s: %v", val, err)
 			}
 			o.mountProgram = val
+		case "overlay2.skip_mount_home", "overlay.skip_mount_home", ".skip_mount_home":
+			logrus.Debugf("overlay: skip_mount_home=%s", val)
+			o.skipMountHome, err = strconv.ParseBool(val)
 		case ".ignore_chown_errors", "overlay2.ignore_chown_errors", "overlay.ignore_chown_errors":
 			logrus.Debugf("overlay: ignore_chown_errors=%s", val)
 			o.ignoreChownErrors, err = strconv.ParseBool(val)