279 	struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST];  in free_persistent_gnts()  local
285 	unmap_data.pages = pages;  in free_persistent_gnts()
298 		pages[segs_to_unmap] = persistent_gnt->page;  in free_persistent_gnts()
306 			put_free_pages(blkif, pages, segs_to_unmap);  in free_persistent_gnts()
320 	struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST];  in xen_blkbk_unmap_purged_grants()  local
326 	unmap_data.pages = pages;  in xen_blkbk_unmap_purged_grants()
341 		pages[segs_to_unmap] = persistent_gnt->page;  in xen_blkbk_unmap_purged_grants()
346 			put_free_pages(blkif, pages, segs_to_unmap);  in xen_blkbk_unmap_purged_grants()
354 		put_free_pages(blkif, pages, segs_to_unmap);  in xen_blkbk_unmap_purged_grants()
677 	struct grant_page **pages,  in xen_blkbk_unmap_prepare()  argument
685 		if (pages[i]->persistent_gnt != NULL) {  in xen_blkbk_unmap_prepare()
686 			put_persistent_gnt(blkif, pages[i]->persistent_gnt);  in xen_blkbk_unmap_prepare()
689 		if (pages[i]->handle == BLKBACK_INVALID_HANDLE)  in xen_blkbk_unmap_prepare()
691 		unmap_pages[invcount] = pages[i]->page;  in xen_blkbk_unmap_prepare()
692 		gnttab_set_unmap_op(&unmap_ops[invcount], vaddr(pages[i]->page),  in xen_blkbk_unmap_prepare()
693 				    GNTMAP_host_map, pages[i]->handle);  in xen_blkbk_unmap_prepare()
694 		pages[i]->handle = BLKBACK_INVALID_HANDLE;  in xen_blkbk_unmap_prepare()
710 	put_free_pages(blkif, data->pages, data->count);  in xen_blkbk_unmap_and_respond_callback()
736 	struct grant_page **pages = req->segments;  in xen_blkbk_unmap_and_respond()  local
739 	invcount = xen_blkbk_unmap_prepare(blkif, pages, req->nr_segs,  in xen_blkbk_unmap_and_respond()
746 	work->pages = req->unmap_pages;  in xen_blkbk_unmap_and_respond()
761                             struct grant_page *pages[],  in xen_blkbk_unmap()  argument
772 		invcount = xen_blkbk_unmap_prepare(blkif, pages, batch,  in xen_blkbk_unmap()
779 		pages += batch;  in xen_blkbk_unmap()
785 			 struct grant_page *pages[],  in xen_blkbk_map()  argument
812 				pages[i]->gref);  in xen_blkbk_map()
819 			pages[i]->page = persistent_gnt->page;  in xen_blkbk_map()
820 			pages[i]->persistent_gnt = persistent_gnt;  in xen_blkbk_map()
822 			if (get_free_page(blkif, &pages[i]->page))  in xen_blkbk_map()
824 			addr = vaddr(pages[i]->page);  in xen_blkbk_map()
825 			pages_to_gnt[segs_to_map] = pages[i]->page;  in xen_blkbk_map()
826 			pages[i]->persistent_gnt = NULL;  in xen_blkbk_map()
831 					  flags, pages[i]->gref,  in xen_blkbk_map()
850 		if (!pages[seg_idx]->persistent_gnt) {  in xen_blkbk_map()
855 				put_free_pages(blkif, &pages[seg_idx]->page, 1);  in xen_blkbk_map()
856 				pages[seg_idx]->handle = BLKBACK_INVALID_HANDLE;  in xen_blkbk_map()
860 			pages[seg_idx]->handle = map[new_map_idx].handle;  in xen_blkbk_map()
882 			persistent_gnt->page = pages[seg_idx]->page;  in xen_blkbk_map()
889 			pages[seg_idx]->persistent_gnt = persistent_gnt;  in xen_blkbk_map()
936 	struct grant_page **pages = pending_req->indirect_pages;  in xen_blkbk_parse_indirect()  local
946 		pages[i]->gref = req->u.indirect.indirect_grefs[i];  in xen_blkbk_parse_indirect()
948 	rc = xen_blkbk_map(blkif, pages, indirect_grefs, true);  in xen_blkbk_parse_indirect()
959 			segments = kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page);  in xen_blkbk_parse_indirect()
980 	xen_blkbk_unmap(blkif, pages, indirect_grefs);  in xen_blkbk_parse_indirect()
1213 	struct grant_page **pages = pending_req->segments;  in dispatch_rw_block_io()  local
1273 			pages[i]->gref = req->u.rw.seg[i].gref;  in dispatch_rw_block_io()
1337 				     pages[i]->page,  in dispatch_rw_block_io()