func (devices *DeviceSet) updatePoolTransactionId() error {
if err := devicemapper.SetTransactionId(devices.getPoolDevName(), devices.TransactionId, devices.OpenTransactionId); err != nil {
return fmt.Errorf("Error setting devmapper transaction ID: %s", err)
}
devices.TransactionId = devices.OpenTransactionId
return nil
}
func (devices *DeviceSet) saveMetadata(info *DevInfo) error {
jsonData, err := json.Marshal(info)
if err != nil {
return fmt.Errorf("Error encoding metadata to json: %s", err)
}
if err := devices.writeMetaFile(jsonData, devices.metadataFile(info)); err != nil {
return err
}
if devices.NewTransactionId != devices.TransactionId {
if err = devicemapper.SetTransactionId(devices.getPoolDevName(), devices.TransactionId, devices.NewTransactionId); err != nil {
return fmt.Errorf("Error setting devmapper transition ID: %s", err)
}
devices.TransactionId = devices.NewTransactionId
}
return nil
}