return MalformedUploadID{
				UploadID: uploadIDMarker,
			}
		}
	}
	return nil
}

// Checks for NewMultipartUpload arguments validity, also validates if bucket exists.
func checkNewMultipartArgs(ctx context.Context, bucket, object string) error {
	return checkObjectArgs(ctx, bucket, object)
}

func checkMultipartObjectArgs(ctx context.Context, bucket, object, uploadID string) error {

func (z *erasureServerPools) NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (mp *NewMultipartUploadResult, err error) {
	if err := checkNewMultipartArgs(ctx, bucket, object); err != nil {
		return nil, err
	}

	defer func() {
		if err == nil && mp != nil {
			z.mpCache.Store(mp.UploadID, MultipartInfo{
				Bucket:    bucket,