"image/x-raw-nikon",
				"image/x-raw-olympus",
				"image/x-raw-pentax",
				"image/x-raw-sony",
				"image/x-raw-sigma",
				"image/x-raw-epson",
				"image/x-raw-mamiya",
				"image/x-raw-leaf",
				"image/x-raw-panasonic",
				"image/x-raw-phaseone",
				"image/x-raw-red",
				"image/x-raw-imacon",
				"image/x-raw-logitech",
				"image/x-raw-casio",
				"image/x-raw-rawzor",

		return cache, err
	}

	cache.Info.updates = updates

	dataUsageInfo, err := scanDataFolder(ctx, disks, s, cache, func(item scannerItem) (sizeSummary, error) {
		// Look for `xl.meta/xl.json' at the leaf.
		if !strings.HasSuffix(item.Path, SlashSeparator+xlStorageFormatFile) &&
			!strings.HasSuffix(item.Path, SlashSeparator+xlStorageFormatFileV1) {
			// if no xl.meta/xl.json found, skip the file.