if opts.CheckPrecondFn != nil {
		if !opts.NoLock {
			ns := er.NewNSLock(bucket, object)
			lkctx, err := ns.GetLock(ctx, globalOperationTimeout)
			if err != nil {
				return nil, err
			}
			ctx = lkctx.Context()
			defer ns.Unlock(lkctx)
			opts.NoLock = true
		}

	if !srcInfo.metadataOnly {
		return oi, NotImplemented{}
	}

	if !dstOpts.NoLock {
		lk := er.NewNSLock(dstBucket, dstObject)
		lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
		if err != nil {
			return oi, err
		}
		ctx = lkctx.Context()
		defer lk.Unlock(lkctx)
	}
	// Read metadata associated with the object from all disks.
	storageDisks := er.getDisks()

	rebalSaveStoppedAt
)

func (z *erasureServerPools) saveRebalanceStats(ctx context.Context, poolIdx int, opts rebalSaveOpts) error {
	lock := z.serverPools[0].NewNSLock(minioMetaBucket, rebalMetaName)
	lkCtx, err := lock.GetLock(ctx, globalOperationTimeout)
	if err != nil {
		rebalanceLogIf(ctx, fmt.Errorf("failed to acquire write lock on %s/%s: %w", minioMetaBucket, rebalMetaName, err))
		return err
	}
	defer lock.Unlock(lkCtx)