> @@ -147,7 +142,7 @@ struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo, > unsigned long pfn_hi); > void init_iova_domain(struct iova_domain *iovad, unsigned long granule, > unsigned long start_pfn); > -int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb); > +int init_iova_flush_queue(struct iova_domain *iovad, struct iommu_domain *fq_domain); Overly long line here. Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>