src/server/pkg/obj/minio_client.go
func (w *minioWriter) Close() error {
	span, _ := tracing.AddSpanToAnyExisting(w.ctx, "minioWriter.Close")
	defer tracing.FinishAnySpan(span)
	if err := w.pipe.Close(); err != nil {
		return err
	}
	return <-w.errChan
}
func (w *minioWriter) Close() error {
	span, _ := tracing.AddSpanToAnyExisting(w.ctx, "minioWriter.Close")
	defer tracing.FinishAnySpan(span)
	if err := w.pipe.Close(); err != nil {
		return err
	}
	return <-w.errChan
}
// This will block till upload is done