use managed attribute

zfs.go

@@ -23,9 +23,11 @@ type BoxZfs struct {
 type ZfsFs struct {
 	path      string
 	managed   bool
+	backedUp  bool
 	zfs       *BoxZfs
 	snapshots map[string]*ZfsSnapshot
-	apps      []*App
+	srcApps   []*App
+	destApps  []*App
 	mx        sync.Mutex
 }
 
@@ -200,7 +202,8 @@ func (z *BoxZfs) Mkdir(path string) error {
 				managed:   false,
 				zfs:       z,
 				snapshots: make(map[string]*ZfsSnapshot),
-				apps:      make([]*App, 0),
+				srcApps:   make([]*App, 0),
+				destApps:  make([]*App, 0),
 			}
 			z.filesystems[newPath] = fs
 		}