Release lock early early

pkg/storage/utils/decomposedfs/metadata/messagepack_backend.go

@@ -195,9 +195,11 @@ func (b MessagePackBackend) loadAttributes(path string, source io.Reader) (map[s
 	}
 
 	metaPath := b.MetadataPath(path)
+	var msgBytes []byte
+
 	if source == nil {
-		source, err = lockedfile.Open(metaPath)
 		// // No cached entry found. Read from storage and store in cache
+		source, err = lockedfile.Open(metaPath)
 		if err != nil {
 			if os.IsNotExist(err) {
 				// some of the caller rely on ENOTEXISTS to be returned when the
@@ -210,10 +212,11 @@ func (b MessagePackBackend) loadAttributes(path string, source io.Reader) (map[s
 				return attribs, nil // no attributes set yet
 			}
 		}
-		defer source.(*lockedfile.File).Close()
+		msgBytes, err = io.ReadAll(source)
+		source.(*lockedfile.File).Close()
+	} else {
+		msgBytes, err = io.ReadAll(source)
 	}
-
-	msgBytes, err := io.ReadAll(source)
 	if err != nil {
 		return nil, err
 	}