830 static void __gnttab_unmap_refs_async(struct gntab_unmap_queue_data* item);
843 static void __gnttab_unmap_refs_async(struct gntab_unmap_queue_data* item)  in __gnttab_unmap_refs_async()  argument
848 	for (pc = 0; pc < item->count; pc++) {  in __gnttab_unmap_refs_async()
849 		if (page_count(item->pages[pc]) > 1) {  in __gnttab_unmap_refs_async()
850 			unsigned long delay = GNTTAB_UNMAP_REFS_DELAY * (item->age + 1);  in __gnttab_unmap_refs_async()
851 			schedule_delayed_work(&item->gnttab_work,  in __gnttab_unmap_refs_async()
857 	ret = gnttab_unmap_refs(item->unmap_ops, item->kunmap_ops,  in __gnttab_unmap_refs_async()
858 				item->pages, item->count);  in __gnttab_unmap_refs_async()
859 	item->done(ret, item);  in __gnttab_unmap_refs_async()
862 void gnttab_unmap_refs_async(struct gntab_unmap_queue_data* item)  in gnttab_unmap_refs_async()  argument
864 	INIT_DELAYED_WORK(&item->gnttab_work, gnttab_unmap_work);  in gnttab_unmap_refs_async()
865 	item->age = 0;  in gnttab_unmap_refs_async()
867 	__gnttab_unmap_refs_async(item);  in gnttab_unmap_refs_async()
880 int gnttab_unmap_refs_sync(struct gntab_unmap_queue_data *item)  in gnttab_unmap_refs_sync()  argument
885 	item->data = &data;  in gnttab_unmap_refs_sync()
886 	item->done = &unmap_refs_callback;  in gnttab_unmap_refs_sync()
887 	gnttab_unmap_refs_async(item);  in gnttab_unmap_refs_sync()