* Add zsh completion for kubectl ([#23797](https://github.com/kubernetes/kubernetes/pull/23797), [@sttts](https://github.com/sttts))
* AWS kube-up: tolerate a lack of ephemeral volumes ([#23776](https://github.com/kubernetes/kubernetes/pull/23776), [@justinsb](https://github.com/justinsb))

		defer metaDataPoolPut(buf)
		if err != nil {
			return err
		}
		// First writes for special situations do not write to stable storage.
		// this is currently used by
		// - emphemeral objects such as objects created during listObjects() calls
		// - newMultipartUpload() call..
		return s.writeAll(ctx, volume, pathJoin(path, xlStorageFormatFile), buf, false, "")
	}