configMutex.RLock()
	defer configMutex.RUnlock()
	return opts.DriveWorkers
}

// Update updates opts with nopts
func (opts *Config) Update(nopts Config) {
	configMutex.Lock()
	defer configMutex.Unlock()

	opts.Bitrot = nopts.Bitrot
	opts.IOCount = nopts.IOCount
	opts.Sleep = nopts.Sleep
	opts.DriveWorkers = nopts.DriveWorkers

	opts.cache.bitrotCycle, _ = parseBitrotConfig(nopts.Bitrot)
}

			Optional:    true,
			Type:        "int",
		},
		config.HelpKV{
			Key:         DriveWorkers,
			Description: `the number of workers per drive to heal a new disk replacement` + defaultHelpPostfix(DriveWorkers),
			Optional:    true,
			Type:        "int",
		},
	}