cache := store.rlock()
	defer store.runlock()

	u, ok := cache.iamUsersMap[user]
	if !ok {
		// Check the sts map
		u, ok = cache.iamSTSAccountsMap[user]
	}
	return u, ok
}

// GetMappedPolicy - fetches mapped policy from memory.
func (store *IAMStoreSys) GetMappedPolicy(name string, isGroup bool) (MappedPolicy, bool) {
	cache := store.rlock()
	defer store.runlock()

	if isGroup {

		binary.LittleEndian.PutUint16(data[2:4], version)

		buf, err := ri.MarshalMsg(data)
		ri.mu.Unlock()
		if err != nil {
			return err
		}
		path, err := ri.getJobReportPath()
		if err != nil {
			batchLogIf(ctx, err)
			return err
		}
		return saveConfig(ctx, api, path, buf)
	}
	ri.mu.Unlock()
	return nil
}

// Note: to be used only with batch jobs that affect multiple versions through

		s.RUnlock()
		return diskID, nil
	}
	s.RUnlock()

	fi, err := s.checkFormatJSON()
	if err != nil {
		return "", err
	}

	if xioutil.SameFile(fi, fileInfo) && diskID != "" {
		s.Lock()
		// If the file has not changed, just return the cached diskID information.
		s.formatLastCheck = time.Now()
		s.Unlock()
		return diskID, nil
	}

						mu.Lock()
						results[i] = info
						mu.Unlock()
					}
				}()
				// Start scanner. Blocks until done.
				err := erObj.nsScanner(ctx, allBuckets, wantCycle, updates, healScanMode)
				if err != nil {
					scannerLogIf(ctx, err)
					mu.Lock()
					if firstErr == nil {
						firstErr = err
					}
					// Cancel remaining...
					cancel()
					mu.Unlock()
					return
				}

	bootstrapTraceMsg("IAM initialization started")
	globalServerConfigMu.RLock()
	s := globalServerConfig
	globalServerConfigMu.RUnlock()

	openidConfig, err := openid.LookupConfig(s,
		NewHTTPTransport(), xhttp.DrainBody, globalSite.Region())
	if err != nil {
		iamLogIf(ctx, fmt.Errorf("Unable to initialize OpenID: %w", err), logger.WarningKind)
	}

		// - 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)
	}

var errUnsupportedSignal = fmt.Errorf("unsupported signal")

func waitingDrivesNode() map[string]madmin.DiskMetrics {
	globalLocalDrivesMu.RLock()
	localDrives := cloneDrives(globalLocalDrivesMap)
	globalLocalDrivesMu.RUnlock()

	errs := make([]error, len(localDrives))
	infos := make([]DiskInfo, len(localDrives))
	for i, drive := range localDrives {
		infos[i], errs[i] = drive.DiskInfo(GlobalContext, DiskInfoOptions{})
	}

    /** Cleanup collected entries when the lock is available. */
    void tryDrainReferenceQueues() {
      if (tryLock()) {
        try {
          maybeDrainReferenceQueues();
        } finally {
          unlock();
        }
      }
    }

    @GuardedBy("this")
    void drainKeyReferenceQueue(ReferenceQueue<K> keyReferenceQueue) {
      Reference<? extends K> ref;
      int i = 0;

    /** Cleanup collected entries when the lock is available. */
    void tryDrainReferenceQueues() {
      if (tryLock()) {
        try {
          maybeDrainReferenceQueues();
        } finally {
          unlock();
        }
      }
    }

    @GuardedBy("this")
    void drainKeyReferenceQueue(ReferenceQueue<K> keyReferenceQueue) {
      Reference<? extends K> ref;
      int i = 0;

	globalObjLayerMutex.Lock()
	globalObjectAPI = nil
	globalObjLayerMutex.Unlock()
}

// reset the value of the Global server config.
// set it to `nil`.
func resetGlobalConfig() {
	// hold the mutex lock before a new config is assigned.
	globalServerConfigMu.Lock()
	// Save the loaded config globally.
	globalServerConfig = nil
	globalServerConfigMu.Unlock()
}

func resetGlobalEndpoints() {