versionSuspended := globalBucketVersioningSys.PrefixSuspended(srcBucket, srcObject)

	lock := api.NewNSLock(r.Bucket, objInfo.Name)
	lkctx, err := lock.GetLock(ctx, globalOperationTimeout)
	if err != nil {
		return err
	}
	ctx = lkctx.Context()
	defer lock.Unlock(lkctx)

	opts := ObjectOptions{
		VersionID:        objInfo.VersionID,

		{"subdir5", "subdir5", false},
		{"subdir5/deleted.txt", "", true},
	}

	for _, tc := range testCases {
		gotPath, gotOK := OverlayPath(tc.path)
		if gotPath != tc.wantPath || gotOK != tc.wantOK {
			t.Errorf("OverlayPath(%q): got %v, %v; want %v, %v",
				tc.path, gotPath, gotOK, tc.wantPath, tc.wantOK)
		}
	}
}

func TestOpen(t *testing.T) {
	initOverlay(t, `
{
    "Replace": {

		Name:         "GoStop",
		Args:         []string{"dt", "reason_string", "stack"},
		IsTimedEvent: true,
		StackIDs:     []int{2},
		StringIDs:    []int{1},
	},
	EvGoBlock: event.Spec{
		Name:         "GoBlock",
		Args:         []string{"dt", "reason_string", "stack"},
		IsTimedEvent: true,
		StackIDs:     []int{2},
		StringIDs:    []int{1},
	},
	EvGoUnblock: event.Spec{
		Name:         "GoUnblock",

	}

	// Prevent parallel erasure set healing
	locker := z.NewNSLock(minioMetaBucket, fmt.Sprintf("new-drive-healing/%d/%d", poolIdx, setIdx))
	lkctx, err := locker.GetLock(ctx, newDiskHealingTimeout)
	if err != nil {
		return fmt.Errorf("Healing of drive '%v' on %s pool, belonging to %s erasure set already in progress: %w",
			disk, humanize.Ordinal(poolIdx+1), humanize.Ordinal(setIdx+1), err)

		Bucket:    bucket,
		Object:    object,
		VersionID: versionID,
		DiskCount: len(storageDisks),
	}

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

	// Re-read when we have lock...

func (tl traceLocker) GoStop(reason traceGoStopReason) {
	tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvGoStop, traceArg(trace.goStopReasons[tl.gen%2][reason]), tl.stack(1))
}

// GoPark emits a GoBlock event with the provided reason.
//
// TODO(mknyszek): Replace traceBlockReason with waitReason. It's silly
// that we have both, and waitReason is way more descriptive.

// The function will block until the context is canceled.
// There should only ever be one scanner running per cluster.
func runDataScanner(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)
	defer cancel()

	// Load current bloom cycle
	var cycleInfo currentScannerCycle

	buf, _ := readConfig(ctx, objAPI, dataUsageBloomNamePath)
	if len(buf) == 8 {

	EvGoSched:           {"GoSched", 5, true, []string{}, nil},
	EvGoPreempt:         {"GoPreempt", 5, true, []string{}, nil},
	EvGoSleep:           {"GoSleep", 5, true, []string{}, nil},
	EvGoBlock:           {"GoBlock", 5, true, []string{}, nil},
	EvGoUnblock:         {"GoUnblock", 5, true, []string{"g", "seq"}, nil}, // in 1.5 format it was {"g"}
	EvGoBlockSend:       {"GoBlockSend", 5, true, []string{}, nil},