remove nlink property from directory node

weed/filer2/memdb/memdb_store.go

@@ -31,11 +31,6 @@ func (filer *MemDbStore) InsertEntry(entry *filer2.Entry) (err error) {
 	return nil
 }
 
-func (filer *MemDbStore) AddDirectoryLink(directory *filer2.Entry, delta int32) (err error) {
-	directory.Nlink = uint32(int32(directory.Nlink) + delta)
-	return nil
-}
-
 func (filer *MemDbStore) AppendFileChunk(fullpath filer2.FullPath, fileChunk filer2.FileChunk) (err error) {
 	found, entry, err := filer.FindEntry(fullpath)
 	if !found {

weed/filer2/memdb/memdb_store_test.go

@@ -101,8 +101,9 @@ func TestCreateFileAndList(t *testing.T) {
 		return
 	}
 
+	file3Path := filer2.FullPath("/home/chris/this/is/file3.jpg")
 	entry3 := &filer2.Entry{
-		FullPath: filer2.FullPath("/home/chris/this/is/file3.jpg"),
+		FullPath: file3Path,
 		Attr: filer2.Attr{
 			Mode: 0440,
 			Uid:  1234,
@@ -118,4 +119,12 @@ func TestCreateFileAndList(t *testing.T) {
 		return
 	}
 
+	// delete file and count
+	filer.DeleteEntry(file3Path)
+	entries, _ = filer.ListDirectoryEntries(filer2.FullPath("/home/chris/this/is"))
+	if len(entries) != 1 {
+		t.Errorf("list entries count: %v", len(entries))
+		return
+	}
+
 }