612 	struct ceph_pg_mapping *pg;  in alloc_pg_mapping()  local
614 	pg = kmalloc(sizeof(*pg) + payload_len, GFP_NOIO);  in alloc_pg_mapping()
615 	if (!pg)  in alloc_pg_mapping()
618 	RB_CLEAR_NODE(&pg->node);  in alloc_pg_mapping()
619 	return pg;  in alloc_pg_mapping()
622 static void free_pg_mapping(struct ceph_pg_mapping *pg)  in free_pg_mapping()  argument
624 	WARN_ON(!RB_EMPTY_NODE(&pg->node));  in free_pg_mapping()
626 	kfree(pg);  in free_pg_mapping()
943 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
946 		erase_pg_mapping(&map->pg_temp, pg);  in ceph_osdmap_destroy()
947 		free_pg_mapping(pg);  in ceph_osdmap_destroy()
950 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
953 		erase_pg_mapping(&map->primary_temp, pg);  in ceph_osdmap_destroy()
954 		free_pg_mapping(pg);  in ceph_osdmap_destroy()
957 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
960 		rb_erase(&pg->node, &map->pg_upmap);  in ceph_osdmap_destroy()
961 		kfree(pg);  in ceph_osdmap_destroy()
964 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
967 		rb_erase(&pg->node, &map->pg_upmap_items);  in ceph_osdmap_destroy()
968 		kfree(pg);  in ceph_osdmap_destroy()
1195 		struct ceph_pg_mapping *pg;
1203 		pg = lookup_pg_mapping(mapping_root, &pgid);
1204 		if (pg) {
1206 			erase_pg_mapping(mapping_root, pg);
1207 			free_pg_mapping(pg);
1211 			pg = fn(p, end, incremental);
1212 			if (IS_ERR(pg))
1213 				return PTR_ERR(pg);
1215 			if (pg) {
1216 				pg->pgid = pgid; /* struct */
1217 				insert_pg_mapping(mapping_root, pg);
1231 	struct ceph_pg_mapping *pg;  in __decode_pg_temp()  local
1237 	if (len > (SIZE_MAX - sizeof(*pg)) / sizeof(u32))  in __decode_pg_temp()
1241 	pg = alloc_pg_mapping(len * sizeof(u32));  in __decode_pg_temp()
1242 	if (!pg)  in __decode_pg_temp()
1245 	pg->pg_temp.len = len;  in __decode_pg_temp()
1247 		pg->pg_temp.osds[i] = ceph_decode_32(p);  in __decode_pg_temp()
1249 	return pg;  in __decode_pg_temp()
1270 	struct ceph_pg_mapping *pg;  in __decode_primary_temp()  local
1277 	pg = alloc_pg_mapping(0);  in __decode_primary_temp()
1278 	if (!pg)  in __decode_primary_temp()
1281 	pg->primary_temp.osd = osd;  in __decode_primary_temp()
1282 	return pg;  in __decode_primary_temp()
1416 	struct ceph_pg_mapping *pg;  in __decode_pg_upmap_items()  local
1420 	if (len > (SIZE_MAX - sizeof(*pg)) / (2 * sizeof(u32)))  in __decode_pg_upmap_items()
1424 	pg = alloc_pg_mapping(2 * len * sizeof(u32));  in __decode_pg_upmap_items()
1425 	if (!pg)  in __decode_pg_upmap_items()
1428 	pg->pg_upmap_items.len = len;  in __decode_pg_upmap_items()
1430 		pg->pg_upmap_items.from_to[i][0] = ceph_decode_32(p);  in __decode_pg_upmap_items()
1431 		pg->pg_upmap_items.from_to[i][1] = ceph_decode_32(p);  in __decode_pg_upmap_items()
1434 	return pg;  in __decode_pg_upmap_items()
2373 	struct ceph_pg_mapping *pg;  in apply_upmap()  local
2376 	pg = lookup_pg_mapping(&osdmap->pg_upmap, pgid);  in apply_upmap()
2377 	if (pg) {  in apply_upmap()
2379 		for (i = 0; i < pg->pg_upmap.len; i++) {  in apply_upmap()
2380 			int osd = pg->pg_upmap.osds[i];  in apply_upmap()
2389 		for (i = 0; i < pg->pg_upmap.len; i++)  in apply_upmap()
2390 			raw->osds[i] = pg->pg_upmap.osds[i];  in apply_upmap()
2391 		raw->size = pg->pg_upmap.len;  in apply_upmap()
2395 	pg = lookup_pg_mapping(&osdmap->pg_upmap_items, pgid);  in apply_upmap()
2396 	if (pg) {  in apply_upmap()
2401 		for (i = 0; i < pg->pg_upmap_items.len; i++) {  in apply_upmap()
2402 			int from = pg->pg_upmap_items.from_to[i][0];  in apply_upmap()
2403 			int to = pg->pg_upmap_items.from_to[i][1];  in apply_upmap()
2552 	struct ceph_pg_mapping *pg;  in get_temp_osds()  local
2558 	pg = lookup_pg_mapping(&osdmap->pg_temp, pgid);  in get_temp_osds()
2559 	if (pg) {  in get_temp_osds()
2560 		for (i = 0; i < pg->pg_temp.len; i++) {  in get_temp_osds()
2561 			if (ceph_osd_is_down(osdmap, pg->pg_temp.osds[i])) {  in get_temp_osds()
2567 				temp->osds[temp->size++] = pg->pg_temp.osds[i];  in get_temp_osds()
2581 	pg = lookup_pg_mapping(&osdmap->primary_temp, pgid);  in get_temp_osds()
2582 	if (pg)  in get_temp_osds()
2583 		temp->primary = pg->primary_temp.osd;  in get_temp_osds()