Function markDeviceID

plugins/snapshots/devmapper/metadata.go:209–221

markDeviceID marks a device as deviceFree or deviceTaken

(tx *bolt.Tx, deviceID uint32, state deviceIDState)

// markDeviceID marks a device as deviceFree or deviceTaken
func markDeviceID(tx *bolt.Tx, deviceID uint32, state deviceIDState) error {
	var (
		bucket = tx.Bucket(deviceIDBucketName)
		key    = strconv.FormatUint(uint64(deviceID), 10)
		value  = []byte{byte(state)}
	)

	if err := bucket.Put([]byte(key), value); err != nil {
		return fmt.Errorf("failed to free device id %q: %w", key, err)
	}

	return nil
}

// UpdateDevice updates device info in metadata store.
// The callback should be used to indicate whether device info update was successful or not.