# File lib/deltacloud/drivers/ec2/ec2_driver.rb, line 458
        def update_blob_metadata(credentials, opts={})
          s3_client = new_client(credentials, :s3)
          meta_hash = BlobHelper::rename_metadata_headers(opts['meta_hash'], '')
          safely do
            the_blob = s3_client.bucket(opts['bucket']).key(opts[:id])
            the_blob.save_meta(meta_hash)
          end
        end