}(setIdx)
	}

	wk.Wait()
	return nil
}

type rebalSaveOpts uint8

const (
	rebalSaveStats rebalSaveOpts = iota
	rebalSaveStoppedAt
)

func (z *erasureServerPools) saveRebalanceStats(ctx context.Context, poolIdx int, opts rebalSaveOpts) error {
	lock := z.serverPools[0].NewNSLock(minioMetaBucket, rebalMetaName)