static void smq_clear_dirty(struct dm_cache_policy *p, dm_oblock_t oblock)
{
	struct smq_policy *mq = to_smq_policy(p);

	mutex_lock(&mq->lock);
	__smq_set_clear_dirty(mq, oblock, false);
	mutex_unlock(&mq->lock);
}
static void smq_clear_dirty(struct dm_cache_policy *p, dm_oblock_t oblock)
{
	struct smq_policy *mq = to_smq_policy(p);
	unsigned long flags;

	spin_lock_irqsave(&mq->lock, flags);
	__smq_set_clear_dirty(mq, oblock, false);
	spin_unlock_irqrestore(&mq->lock, flags);
}