return true
	}
	return canonicalizeETag(left) == canonicalizeETag(right)
}

// setPutObjHeaders sets all the necessary headers returned back
// upon a success Put/Copy/CompleteMultipart/Delete requests
// to activate delete only headers set delete as true
func setPutObjHeaders(w http.ResponseWriter, objInfo ObjectInfo, del bool, h http.Header) {

	// default case of passing encryption headers to backend
	opts, err := getDefaultOpts(r.Header, false, nil)
	if err != nil {
		return opts, err
	}
	return opts, nil
}

// get ObjectOptions for CompleteMultipart calls
func completeMultipartOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
	mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
	var mtime time.Time

	// SkipRebalancing should be set to 'true' if the call should skip pools
	// participating in a rebalance operation. Typically set for 'write' operations.
	SkipRebalancing bool

	SrcPoolIdx int // set by PutObject/CompleteMultipart operations due to rebalance; used to prevent rebalance src, dst pools to be the same

	DataMovement bool // indicates an going decommisionning or rebalacing

	fi, err = pickValidFileInfo(ctx, partsMetadata, modTime, etag, quorum)
	return fi, partsMetadata, err
}

// cleanupMultipartPath removes all extraneous files and parts from the multipart folder, this is used per CompleteMultipart.
// do not use this function outside of completeMultipartUpload()
func (er erasureObjects) cleanupMultipartPath(ctx context.Context, paths ...string) {
	storageDisks := er.getDisks()