No options detection

main.go

@@ -163,8 +163,16 @@ func (d ofsDriver) Mount(r *volume.MountRequest) (*volume.MountResponse, error)
 		if err := os.MkdirAll(v.volume.Mountpoint, 0755); err != nil {
 			return &volume.MountResponse{}, err
 		}
+
+		var opts string
+		if len(v.opts) == 0 {
+			opts = ""
+		} else {
+			opts = "-o" + v.opts
+		}
+
 		// Note: The first argument ("mount") causes running in the foreground, its absence in the background
-		cmd := exec.Command("/sbin/mount.objectivefs", "mount", "-o"+v.opts, v.fs, v.volume.Mountpoint)
+		cmd := exec.Command("/sbin/mount.objectivefs", "mount", opts, v.fs, v.volume.Mountpoint)
 		cmd.Env = v.env
 		cmdReader, _ := cmd.StderrPipe()
 		log.WithFields(log.Fields{