177 	struct frame spine[MAX_SPINE_DEPTH];  member
187 	*f = s->spine + s->top;  in top_frame()
234 		struct frame *f = s->spine + ++s->top;  in push_frame()
257 	struct frame *f = s->spine + s->top--;  in pop_frame()
268 		f = s->spine + s->top--;  in unlock_all_frames()
381 	struct ro_spine spine;  in dm_btree_lookup()  local
383 	init_ro_spine(&spine, info);  in dm_btree_lookup()
397 		r = btree_lookup_raw(&spine, root, keys[level],  in dm_btree_lookup()
403 				exit_ro_spine(&spine);  in dm_btree_lookup()
407 			exit_ro_spine(&spine);  in dm_btree_lookup()
413 	exit_ro_spine(&spine);  in dm_btree_lookup()
476 	struct ro_spine spine;  in dm_btree_lookup_next()  local
478 	init_ro_spine(&spine, info);  in dm_btree_lookup_next()
480 		r = btree_lookup_raw(&spine, root, keys[level],  in dm_btree_lookup_next()
496 	exit_ro_spine(&spine);  in dm_btree_lookup_next()
1207 	struct shadow_spine spine;  in btree_get_overwrite_leaf()  local
1210 	init_shadow_spine(&spine, info);  in btree_get_overwrite_leaf()
1211 	r = __btree_get_overwrite_leaf(&spine, root, key, index);  in btree_get_overwrite_leaf()
1213 		*new_root = shadow_root(&spine);  in btree_get_overwrite_leaf()
1214 		*leaf = shadow_current(&spine);  in btree_get_overwrite_leaf()
1220 		spine.count--;  in btree_get_overwrite_leaf()
1222 	exit_shadow_spine(&spine);  in btree_get_overwrite_leaf()
1242 	struct shadow_spine spine;  in insert()  local
1247 	init_shadow_spine(&spine, info);  in insert()
1250 		r = btree_insert_raw(&spine, block, &le64_type, keys[level], &index);  in insert()
1254 		n = dm_block_data(shadow_current(&spine));  in insert()
1277 	r = btree_insert_raw(&spine, block, &info->value_type,  in insert()
1282 	n = dm_block_data(shadow_current(&spine));  in insert()
1309 	*new_root = shadow_root(&spine);  in insert()
1310 	exit_shadow_spine(&spine);  in insert()
1317 	exit_shadow_spine(&spine);  in insert()
1381 	struct ro_spine spine;  in dm_btree_find_key()  local
1383 	init_ro_spine(&spine, info);  in dm_btree_find_key()
1385 		r = find_key(&spine, root, find_highest, result_keys + level,  in dm_btree_find_key()
1396 	exit_ro_spine(&spine);  in dm_btree_find_key()