schedule_work(&m->trigger_event);
queue_work(kmultipathd, &m->trigger_event);
static void bypass_pg(struct multipath *m, struct priority_group *pg,		      int bypassed){	unsigned long flags;	spin_lock_irqsave(&m->lock, flags);	pg->bypassed = bypassed;	m->current_pgpath = NULL;	m->current_pg = NULL;	spin_unlock_irqrestore(&m->lock, flags);	schedule_work(&m->trigger_event);}