z.rebalMu.Lock()
	defer z.rebalMu.Unlock()

	r := z.rebalMeta
	if r == nil {
		return
	}

	r.PoolStats[poolIdx].update(bucket, fi)
}

const (
	rebalMetaName = "rebalance.bin"
	rebalMetaFmt  = 1
	rebalMetaVer  = 1
)

func (z *erasureServerPools) nextRebalBucket(poolIdx int) (string, bool) {
	z.rebalMu.RLock()
	defer z.rebalMu.RUnlock()

	r := z.rebalMeta
	if r == nil {

		// - xl.meta metadata is still verified for quorum under lock()
		//   however writing the response doesn't need to serialize
		//   concurrent writers
		unlockOnDefer = true
		nsUnlocker = func() { lock.RUnlock(lkctx) }
	}

	fi, metaArr, onlineDisks, err := er.getObjectFileInfo(ctx, bucket, object, opts, true)
	if err != nil {
		return nil, toObjectErr(err, bucket, object)
	}

	}

	ctx = plkctx.Context()
	defer partIDLock.Unlock(plkctx)

	// Read lock for upload id, only held while reading the upload metadata.
	uploadIDRLock := er.NewNSLock(bucket, pathJoin(object, uploadID))
	rlkctx, err := uploadIDRLock.GetRLock(ctx, globalOperationTimeout)
	if err != nil {
		return PartInfo{}, err
	}
	ctx = rlkctx.Context()
	defer uploadIDRLock.RUnlock(rlkctx)

	lkctx, err := lock.GetRLock(ctx, globalOperationTimeout)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	ctx = lkctx.Context()
	defer lock.RUnlock(lkctx)

	getObjectNInfo := objectAPI.GetObjectNInfo

	gopts := opts
	gopts.NoLock = true // We already have a lock, we can live with it.
	objInfo, err := getObjectInfo(ctx, bucket, object, gopts)

* 👥 Update FastAPI People. PR [#4752](https://github.com/tiangolo/fastapi/pull/4752) by [@github-actions[bot]](https://github.com/apps/github-actions).
* ➖ Temporarily remove typer-cli from dependencies and upgrade Black to unblock Pydantic CI. PR [#4754](https://github.com/tiangolo/fastapi/pull/4754) by [@tiangolo](https://github.com/tiangolo).