follow golint suggestions

go/filer/embedded_filer/directory_in_map.go

@@ -34,7 +34,7 @@ func (dm *DirectoryManagerInMap) NewDirectoryEntryInMap(parent *DirectoryEntryIn
 	writeLock.Lock()
 	defer writeLock.Unlock()
 	d = &DirectoryEntryInMap{Name: name, Parent: parent, SubDirectories: make(map[string]*DirectoryEntryInMap)}
-	parts := make([]string, 0)
+	var parts []string
 	for p := d; p != nil && p.Name != ""; p = p.Parent {
 		parts = append(parts, p.Name)
 	}
@@ -162,7 +162,7 @@ func (dm *DirectoryManagerInMap) loadDirectory(dirPath string, dirId filer.Direc
 		sub, ok := dir.SubDirectories[parts[i]]
 		if !ok {
 			if i != len(parts)-1 {
-				return fmt.Errorf("%s should be created after parent %s!", dirPath, parts[i])
+				return fmt.Errorf("%s should be created after parent %s", dirPath, parts[i])
 			}
 			var err error
 			sub, err = dm.NewDirectoryEntryInMap(dir, parts[i])
@@ -170,7 +170,7 @@ func (dm *DirectoryManagerInMap) loadDirectory(dirPath string, dirId filer.Direc
 				return err
 			}
 			if sub.Id != dirId {
-				return fmt.Errorf("%s should be have id %v instead of %v!", dirPath, sub.Id, dirId)
+				return fmt.Errorf("%s should be have id %v instead of %v", dirPath, sub.Id, dirId)
 			}
 			dir.SubDirectories[parts[i]] = sub
 		}

go/filer/embedded_filer/filer_embedded.go

@@ -125,19 +125,17 @@ func (filer *FilerEmbedded) Move(fromPath string, toPath string) error {
 		if _, err := filer.FindDirectory(toPath); err == nil {
 			// move folder under an existing folder
 			return filer.directories.MoveUnderDirectory(fromPath, toPath, "")
-		} else {
-			// move folder to a new folder
-			return filer.directories.MoveUnderDirectory(fromPath, filepath.Dir(toPath), filepath.Base(toPath))
 		}
+		// move folder to a new folder
+		return filer.directories.MoveUnderDirectory(fromPath, filepath.Dir(toPath), filepath.Base(toPath))
 	}
 	if fid, file_err := filer.DeleteFile(fromPath); file_err == nil {
 		if _, err := filer.FindDirectory(toPath); err == nil {
 			// move file under an existing folder
 			return filer.CreateFile(filepath.Join(toPath, filepath.Base(fromPath)), fid)
-		} else {
-			// move to a folder with new name
-			return filer.CreateFile(toPath, fid)
 		}
+		// move to a folder with new name
+		return filer.CreateFile(toPath, fid)
 	}
 	return fmt.Errorf("File %s is not found!", fromPath)
 }

go/filer/flat_namespace/flat_namespace_filer.go

@@ -12,7 +12,7 @@ type FlatNamesapceFiler struct {
 }
 
 var (
-	NotImplemented = errors.New("Not Implemented for flat namespace meta data store!")
+	ErrNotImplemented = errors.New("Not Implemented for flat namespace meta data store")
 )
 
 func NewFlatNamesapceFiler(master string, store FlatNamespaceStore) *FlatNamesapceFiler {
@@ -29,16 +29,16 @@ func (filer *FlatNamesapceFiler) FindFile(fullFileName string) (fid string, err
 	return filer.store.Get(fullFileName)
 }
 func (filer *FlatNamesapceFiler) FindDirectory(dirPath string) (dirId filer.DirectoryId, err error) {
-	return 0, NotImplemented
+	return 0, ErrNotImplemented
 }
 func (filer *FlatNamesapceFiler) ListDirectories(dirPath string) (dirs []filer.DirectoryEntry, err error) {
-	return nil, NotImplemented
+	return nil, ErrNotImplemented
 }
 func (filer *FlatNamesapceFiler) ListFiles(dirPath string, lastFileName string, limit int) (files []filer.FileEntry, err error) {
-	return nil, NotImplemented
+	return nil, ErrNotImplemented
 }
 func (filer *FlatNamesapceFiler) DeleteDirectory(dirPath string, recursive bool) (err error) {
-	return NotImplemented
+	return ErrNotImplemented
 }
 
 func (filer *FlatNamesapceFiler) DeleteFile(fullFileName string) (fid string, err error) {
@@ -46,5 +46,5 @@ func (filer *FlatNamesapceFiler) DeleteFile(fullFileName string) (fid string, er
 }
 
 func (filer *FlatNamesapceFiler) Move(fromPath string, toPath string) error {
-	return NotImplemented
+	return ErrNotImplemented
 }

go/filer/redis_store/redis_store.go

@@ -41,8 +41,8 @@ func (s *RedisStore) Delete(fullFileName string) (fid string, err error) {
 	return "", err
 }
 
-func (c *RedisStore) Close() {
-	if c.Client != nil {
-		c.Client.Close()
+func (s *RedisStore) Close() {
+	if s.Client != nil {
+		s.Client.Close()
 	}
 }