Drop MemUnionFs.Clear().

unionfs/memunionfs.go

@@ -123,14 +123,6 @@ func (me *MemUnionFs) Reap() map[string]*Result {
 	return m
 }
 
-func (me *MemUnionFs) Clear() {
-	me.mutex.Lock()
-	defer me.mutex.Unlock()
-	me.deleted = make(map[string]bool)
-	me.root.clear("")
-	me.clearBackingStore()
-}
-
 func (me *MemUnionFs) clearBackingStore() {
 	f, err := os.Open(me.backingStore)
 	if err != nil {
@@ -629,17 +621,6 @@ func (me *memNode) reap(path string, results map[string]*Result) {
 	}
 }
 
-func (me *memNode) clear(path string) {
-	me.original = path
-	me.changed = false
-	me.backing = ""
-	for n, ch := range me.Inode().FsChildren() {
-		p := filepath.Join(path, n)
-		mn := ch.FsNode().(*memNode)
-		mn.clear(p)
-	}
-}
-
 func (me *memNode) reset(path string) (entryNotify bool) {
 	for n, ch := range me.Inode().FsChildren() {
 		p := filepath.Join(path, n)

unionfs/memunionfs_test.go

@@ -798,7 +798,7 @@ func TestMemUnionGc(t *testing.T) {
 	writeToFile(wd+"/mnt/file2", "other-content")
 	err := os.Remove(wd + "/mnt/file1")
 	CheckSuccess(err)
-	ufs.Clear()
+	ufs.Reset()
 
 	entries, err := ioutil.ReadDir(wd + "/backing")
 	CheckSuccess(err)