// admin-handler unit tests.
type adminErasureTestBed struct {
	erasureDirs []string
	objLayer    ObjectLayer
	router      *mux.Router
	done        context.CancelFunc
}

// prepareAdminErasureTestBed - helper function that setups a single-node
// Erasure backend for admin-handler tests.
func prepareAdminErasureTestBed(ctx context.Context) (*adminErasureTestBed, error) {

	}
	m.respWait = ch
	m.respMu.Unlock()
	ctx := m.ctx

	// Add deadline if none.
	if msg.DeadlineMS == 0 {
		msg.DeadlineMS = uint32(defaultSingleRequestTimeout / time.Millisecond)
		var cancel context.CancelFunc
		ctx, cancel = context.WithTimeout(ctx, defaultSingleRequestTimeout)
		defer cancel()
	}
	// Send request
	if err := m.send(msg); err != nil {
		return nil, err
	}
	if debugReqs {

	batchSize   int
	payloadType string

	// store to persist and replay the logs to the target
	// to avoid missing events when the target is down.
	store          store.Store[any]
	storeCtxCancel context.CancelFunc

	initQueueOnce once.Init

	config      Config
	client      *http.Client
	httpTimeout time.Duration
}

// Name returns the name of the target
func (h *Target) Name() string {

	objLayer     ObjectLayer
	once         sync.Once
	mu           sync.Mutex
	jobCh        chan *BatchJobRequest
	jmu          sync.Mutex // protects jobCancelers
	jobCancelers map[string]context.CancelFunc
	workerKillCh chan struct{}
	workerSize   int
}

var globalBatchJobPool *BatchJobPool

// newBatchJobPool creates a pool of job manifest workers of specified size

func (client *storageRESTClient) Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) error {
	if !deleteOpts.Immediate {
		// add deadlines for all non-immediate purges
		var cancel context.CancelFunc
		ctx, cancel = context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
		defer cancel()
	}

	_, err := storageDeleteFileRPC.Call(ctx, client.gridConn, &DeleteFileHandlerParams{

	poolMetaMutex sync.RWMutex
	poolMeta      poolMeta

	rebalMu     sync.RWMutex
	rebalMeta   *rebalanceMeta
	rebalCancel context.CancelFunc

	deploymentID     [16]byte
	distributionAlgo string

	serverPools []*erasureSets

	// Active decommission canceler
	decommissionCancelers []context.CancelFunc

	s3Peer *S3PeerSys

	mpCache *xsync.MapOf[string, MultipartInfo]
}

func (z *erasureServerPools) SinglePool() bool {

	diskID       atomic.Pointer[string]
	storage      *xlStorage
	health       *diskHealthTracker
	healthCheck  bool

	metricsCache *cachevalue.Cache[DiskMetrics]
	diskCtx      context.Context
	diskCancel   context.CancelFunc
}

func (p *xlStorageDiskIDCheck) getMetrics() DiskMetrics {
	p.metricsCache.InitOnce(5*time.Second,
		cachevalue.Opts{},
		func(ctx context.Context) (DiskMetrics, error) {
			diskMetric := DiskMetrics{

	currentStatus healSequenceStatus

	// channel signaled by background routine when traversal has
	// completed
	traverseAndHealDoneCh chan error

	// canceler to cancel heal sequence.
	cancelCtx context.CancelFunc

	// the last result index sent to client
	lastSentResultIndex int64

	// Number of total items scanned against item type
	scannedItemsMap map[madmin.HealItemType]int64

			err := z.rebalanceBuckets(ctx, idx)
			stopfn(0, err)
		}(poolIdx)
	}
}

// StopRebalance signals the rebalance goroutine running on this node (if any)
// to stop, using the context.CancelFunc(s) saved at the time ofStartRebalance.
func (z *erasureServerPools) StopRebalance() error {
	z.rebalMu.Lock()
	defer z.rebalMu.Unlock()

	r := z.rebalMeta

				}
			}
		},
	})
}

//msgp:ignore metaCacheRPC
type metaCacheRPC struct {
	o      listPathOptions
	mu     sync.Mutex
	meta   *metacache
	rpc    *peerRESTClient
	cancel context.CancelFunc
}

func (m *metaCacheRPC) setErr(err string) {
	m.mu.Lock()
	defer m.mu.Unlock()
	meta := *m.meta
	if meta.status != scanStateError {
		meta.error = err
		meta.status = scanStateError
	} else {