if err != nil {
			return nil, err
		}
		unlockOnDefer = false
		return gr.WithCleanupFuncs(nsUnlocker), nil
	}

	fn, off, length, err := NewGetObjectReader(rs, objInfo, opts, h)
	if err != nil {
		return nil, err
	}

	if unlockOnDefer {
		unlockOnDefer = fi.InlineData() || len(fi.Data) > 0
	}

	pr, pw := xioutil.WaitPipe()
	go func() {