503 	struct setup_rw_req *setup = data;  in blkif_setup_rw_req_grant()  local
508 	unsigned int grant_idx = setup->grant_idx;  in blkif_setup_rw_req_grant()
509 	struct blkif_request *ring_req = setup->ring_req;  in blkif_setup_rw_req_grant()
510 	struct blkfront_info *info = setup->info;  in blkif_setup_rw_req_grant()
511 	struct blk_shadow *shadow = &info->shadow[setup->id];  in blkif_setup_rw_req_grant()
515 		if (setup->segments)  in blkif_setup_rw_req_grant()
516 			kunmap_atomic(setup->segments);  in blkif_setup_rw_req_grant()
519 		gnt_list_entry = get_indirect_grant(&setup->gref_head, info);  in blkif_setup_rw_req_grant()
521 		setup->segments = kmap_atomic(gnt_list_entry->page);  in blkif_setup_rw_req_grant()
525 	gnt_list_entry = get_grant(&setup->gref_head, gfn, info);  in blkif_setup_rw_req_grant()
529 	if (setup->need_copy) {  in blkif_setup_rw_req_grant()
543 		       setup->bvec_data + setup->bvec_off,  in blkif_setup_rw_req_grant()
547 		setup->bvec_off += len;  in blkif_setup_rw_req_grant()
559 		setup->segments[grant_idx % GRANTS_PER_INDIRECT_FRAME] =  in blkif_setup_rw_req_grant()
566 	(setup->grant_idx)++;  in blkif_setup_rw_req_grant()
575 	struct setup_rw_req setup = {  in blkif_queue_rw_req()  local
604 		    &setup.gref_head) < 0) {  in blkif_queue_rw_req()
675 	setup.ring_req = ring_req;  in blkif_queue_rw_req()
676 	setup.id = id;  in blkif_queue_rw_req()
680 		if (setup.need_copy) {  in blkif_queue_rw_req()
681 			setup.bvec_off = sg->offset;  in blkif_queue_rw_req()
682 			setup.bvec_data = kmap_atomic(sg_page(sg));  in blkif_queue_rw_req()
689 					      &setup);  in blkif_queue_rw_req()
691 		if (setup.need_copy)  in blkif_queue_rw_req()
692 			kunmap_atomic(setup.bvec_data);  in blkif_queue_rw_req()
694 	if (setup.segments)  in blkif_queue_rw_req()
695 		kunmap_atomic(setup.segments);  in blkif_queue_rw_req()
703 		gnttab_free_grant_references(setup.gref_head);  in blkif_queue_rw_req()