if opts.CheckPrecondFn != nil && opts.CheckPrecondFn(oi) {
		// Call the cleanup funcs
		for i := len(cleanupFns) - 1; i >= 0; i-- {
			cleanupFns[i]()
		}
		return nil, PreConditionFailed{}
	}
	return &GetObjectReader{
		ObjInfo:    oi,
		Reader:     r,
		cleanUpFns: cleanupFns,
	}, nil
}