88 	grant_ref_t gref;  member
331 		gnt_list_entry->gref = GRANT_INVALID_REF;  in fill_grant_buffer()
360 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_free_grant()
369 	gnttab_page_grant_foreign_access_ref_one(gnt_list_entry->gref,  in grant_foreign_access()
382 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_grant()
386 	gnt_list_entry->gref = gnttab_claim_grant_reference(gref_head);  in get_grant()
387 	BUG_ON(gnt_list_entry->gref == -ENOSPC);  in get_grant()
392 		gnttab_grant_foreign_access_ref(gnt_list_entry->gref,  in get_grant()
406 	if (gnt_list_entry->gref != GRANT_INVALID_REF)  in get_indirect_grant()
410 	gnt_list_entry->gref = gnttab_claim_grant_reference(gref_head);  in get_indirect_grant()
411 	BUG_ON(gnt_list_entry->gref == -ENOSPC);  in get_indirect_grant()
632 		ring_req->u.indirect.indirect_grefs[n] = gnt_list_entry->gref;  in blkif_setup_rw_req_grant()
636 	ref = gnt_list_entry->gref;  in blkif_setup_rw_req_grant()
669 				.gref       = ref,  in blkif_setup_rw_req_grant()
675 				.gref       = ref,  in blkif_setup_rw_req_grant()
1237 			if (persistent_gnt->gref != GRANT_INVALID_REF) {  in blkif_free_ring()
1238 				gnttab_end_foreign_access(persistent_gnt->gref,  in blkif_free_ring()
1262 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);  in blkif_free_ring()
1277 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);  in blkif_free_ring()
1471 		if (!gnttab_try_end_foreign_access(s->grants_used[i]->gref)) {  in blkif_completion()
1480 					 s->grants_used[i]->gref);  in blkif_completion()
1491 			s->grants_used[i]->gref = GRANT_INVALID_REF;  in blkif_completion()
1497 			if (!gnttab_try_end_foreign_access(s->indirect_grants[i]->gref)) {  in blkif_completion()
1500 						 s->indirect_grants[i]->gref);  in blkif_completion()
1516 				s->indirect_grants[i]->gref = GRANT_INVALID_REF;  in blkif_completion()
1700 	grant_ref_t gref[XENBUS_MAX_RING_GRANTS];  in setup_blkring()  local
1713 	err = xenbus_grant_ring(dev, rinfo->ring.sring, info->nr_ring_pages, gref);  in setup_blkring()
1720 		rinfo->ring_ref[i] = gref[i];  in setup_blkring()
2565 			if (gnt_list_entry->gref == GRANT_INVALID_REF ||  in purge_persistent_grants()
2566 			    !gnttab_try_end_foreign_access(gnt_list_entry->gref))  in purge_persistent_grants()
2571 			gnt_list_entry->gref = GRANT_INVALID_REF;  in purge_persistent_grants()