writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrEntityTooLarge), r.URL)
		return
	}

	// We have to copy metadata only if source and destination are same.
	// this changes for encryption which can be observed below.
	if cpSrcDstSame {
		srcInfo.metadataOnly = true
	}

	var chStorageClass bool
	if dstSc != "" && dstSc != srcInfo.StorageClass {
		chStorageClass = true
		srcInfo.metadataOnly = false