var update bool
	if cachedResult {
		rc := &cache.CondCheck{}
		h := r.Header.Clone()
		if opts.PartNumber > 0 {
			h.Set(xhttp.PartNumber, strconv.Itoa(opts.PartNumber))
		}
		rc.Init(bucket, object, h)

		ci, err := globalCacheConfig.Get(rc)
		if ci != nil {
			tgs, ok := ci.Metadata[xhttp.AmzObjectTagging]
			if ok {