> - extern int vfio_pin_pages(struct device *dev, unsigned long *user_pfn, > + extern int vfio_pin_pages(struct vfio_device *vdev, unsigned long *user_pfn, > int npage, int prot, unsigned long *phys_pfn); > > - extern int vfio_unpin_pages(struct device *dev, unsigned long *user_pfn, > + extern int vfio_unpin_pages(struct vfio_device *vdev, unsigned long *user_pfn, Please drop the externs when you touch this (also for the actual header). Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>