del_timer_sync(&ms->timer);
flush_workqueue(ms->kmirrord_wq);
- flush_work_sync(&ms->trigger_event);
+ flush_work(&ms->trigger_event);
dm_kcopyd_client_destroy(ms->kcopyd_client);
destroy_workqueue(ms->kmirrord_wq);
free_context(ms, ti, ms->nr_mirrors);