sha256hex           = ""
		reader    io.Reader = r.Body
		s3Err     APIErrorCode
		putObject = objectAPI.PutObject
	)

	var opts untarOptions
	opts.ignoreDirs = strings.EqualFold(r.Header.Get(xhttp.MinIOSnowballIgnoreDirs), "true")
	opts.ignoreErrs = strings.EqualFold(r.Header.Get(xhttp.MinIOSnowballIgnoreErrors), "true")
	opts.prefixAll = r.Header.Get(xhttp.MinIOSnowballPrefix)
	if opts.prefixAll != "" {