public byte[] getCurrentHash() {
            synchronized (hashLock) {
                return currentHash.clone();
            }
        }

        public void updateHash(byte[] newHash) {
            synchronized (hashLock) {
                if (newHash != null && newHash.length == currentHash.length) {
                    this.currentHash = newHash.clone();
                }
            }
        }

				s.erasureDisksMu.Unlock()
				return
			}

			if currentDisk := s.erasureDisks[setIndex][diskIndex]; currentDisk != nil {
				if !reflect.DeepEqual(currentDisk.Endpoint(), disk.Endpoint()) {
					err = fmt.Errorf("Detected unexpected drive ordering refusing to use the drive: expecting %s, found %s, refusing to use the drive",
						currentDisk.Endpoint(), disk.Endpoint())
					printEndpointError(endpoint, err, false)