Add flag to enable new cache layout

conf/configuration.go

@@ -49,6 +49,7 @@ type configOptions struct {
 	DevLogSourceLine           bool
 	DevAutoCreateAdminPassword string
 	DevPreCacheAlbumArtwork    bool
+	DevNewCacheLayout          bool
 }
 
 type scannerOptions struct {
@@ -134,6 +135,7 @@ func init() {
 	viper.SetDefault("devlogsourceline", false)
 	viper.SetDefault("devautocreateadminpassword", "")
 	viper.SetDefault("devprecachealbumartwork", false)
+	viper.SetDefault("devnewcachelayout", false)
 }
 
 func InitConfig(cfgFile string) {

core/cache/file_caches.go

@@ -187,8 +187,13 @@ func newFSCache(name, cacheSize, cacheFolder string, maxItems int) (fscache.Cach
 	h := fscache.NewLRUHaunterStrategy(lru)
 	cacheFolder = filepath.Join(conf.Server.DataFolder, cacheFolder)
 
+	var fs fscache.FileSystem
 	log.Info(fmt.Sprintf("Creating %s cache", name), "path", cacheFolder, "maxSize", humanize.Bytes(size))
-	fs, err := NewSpreadFS(cacheFolder, 0755)
+	if conf.Server.DevNewCacheLayout {
+		fs, err = NewSpreadFS(cacheFolder, 0755)
+	} else {
+		fs, err = fscache.NewFs(cacheFolder, 0755)
+	}
 	if err != nil {
 		log.Error(fmt.Sprintf("Error initializing %s cache", name), err, "elapsedTime", time.Since(start))
 		return nil, err