613 	struct ceph_pg_mapping *pg;  in alloc_pg_mapping()  local
615 	pg = kmalloc(sizeof(*pg) + payload_len, GFP_NOIO);  in alloc_pg_mapping()
616 	if (!pg)  in alloc_pg_mapping()
619 	RB_CLEAR_NODE(&pg->node);  in alloc_pg_mapping()
620 	return pg;  in alloc_pg_mapping()
623 static void free_pg_mapping(struct ceph_pg_mapping *pg)  in free_pg_mapping()  argument
625 	WARN_ON(!RB_EMPTY_NODE(&pg->node));  in free_pg_mapping()
627 	kfree(pg);  in free_pg_mapping()
944 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
947 		erase_pg_mapping(&map->pg_temp, pg);  in ceph_osdmap_destroy()
948 		free_pg_mapping(pg);  in ceph_osdmap_destroy()
951 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
954 		erase_pg_mapping(&map->primary_temp, pg);  in ceph_osdmap_destroy()
955 		free_pg_mapping(pg);  in ceph_osdmap_destroy()
958 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
961 		rb_erase(&pg->node, &map->pg_upmap);  in ceph_osdmap_destroy()
962 		kfree(pg);  in ceph_osdmap_destroy()
965 		struct ceph_pg_mapping *pg =  in ceph_osdmap_destroy()  local
968 		rb_erase(&pg->node, &map->pg_upmap_items);  in ceph_osdmap_destroy()
969 		kfree(pg);  in ceph_osdmap_destroy()
1179 		struct ceph_pg_mapping *pg;
1187 		pg = lookup_pg_mapping(mapping_root, &pgid);
1188 		if (pg) {
1190 			erase_pg_mapping(mapping_root, pg);
1191 			free_pg_mapping(pg);
1195 			pg = fn(p, end, incremental);
1196 			if (IS_ERR(pg))
1197 				return PTR_ERR(pg);
1199 			if (pg) {
1200 				pg->pgid = pgid; /* struct */
1201 				insert_pg_mapping(mapping_root, pg);
1215 	struct ceph_pg_mapping *pg;  in __decode_pg_temp()  local
1221 	if (len > (SIZE_MAX - sizeof(*pg)) / sizeof(u32))  in __decode_pg_temp()
1225 	pg = alloc_pg_mapping(len * sizeof(u32));  in __decode_pg_temp()
1226 	if (!pg)  in __decode_pg_temp()
1229 	pg->pg_temp.len = len;  in __decode_pg_temp()
1231 		pg->pg_temp.osds[i] = ceph_decode_32(p);  in __decode_pg_temp()
1233 	return pg;  in __decode_pg_temp()
1254 	struct ceph_pg_mapping *pg;  in __decode_primary_temp()  local
1261 	pg = alloc_pg_mapping(0);  in __decode_primary_temp()
1262 	if (!pg)  in __decode_primary_temp()
1265 	pg->primary_temp.osd = osd;  in __decode_primary_temp()
1266 	return pg;  in __decode_primary_temp()
1400 	struct ceph_pg_mapping *pg;  in __decode_pg_upmap_items()  local
1404 	if (len > (SIZE_MAX - sizeof(*pg)) / (2 * sizeof(u32)))  in __decode_pg_upmap_items()
1408 	pg = alloc_pg_mapping(2 * len * sizeof(u32));  in __decode_pg_upmap_items()
1409 	if (!pg)  in __decode_pg_upmap_items()
1412 	pg->pg_upmap_items.len = len;  in __decode_pg_upmap_items()
1414 		pg->pg_upmap_items.from_to[i][0] = ceph_decode_32(p);  in __decode_pg_upmap_items()
1415 		pg->pg_upmap_items.from_to[i][1] = ceph_decode_32(p);  in __decode_pg_upmap_items()
1418 	return pg;  in __decode_pg_upmap_items()
2352 	struct ceph_pg_mapping *pg;  in apply_upmap()  local
2355 	pg = lookup_pg_mapping(&osdmap->pg_upmap, pgid);  in apply_upmap()
2356 	if (pg) {  in apply_upmap()
2358 		for (i = 0; i < pg->pg_upmap.len; i++) {  in apply_upmap()
2359 			int osd = pg->pg_upmap.osds[i];  in apply_upmap()
2368 		for (i = 0; i < pg->pg_upmap.len; i++)  in apply_upmap()
2369 			raw->osds[i] = pg->pg_upmap.osds[i];  in apply_upmap()
2370 		raw->size = pg->pg_upmap.len;  in apply_upmap()
2374 	pg = lookup_pg_mapping(&osdmap->pg_upmap_items, pgid);  in apply_upmap()
2375 	if (pg) {  in apply_upmap()
2380 		for (i = 0; i < pg->pg_upmap_items.len; i++) {  in apply_upmap()
2381 			int from = pg->pg_upmap_items.from_to[i][0];  in apply_upmap()
2382 			int to = pg->pg_upmap_items.from_to[i][1];  in apply_upmap()
2531 	struct ceph_pg_mapping *pg;  in get_temp_osds()  local
2537 	pg = lookup_pg_mapping(&osdmap->pg_temp, pgid);  in get_temp_osds()
2538 	if (pg) {  in get_temp_osds()
2539 		for (i = 0; i < pg->pg_temp.len; i++) {  in get_temp_osds()
2540 			if (ceph_osd_is_down(osdmap, pg->pg_temp.osds[i])) {  in get_temp_osds()
2546 				temp->osds[temp->size++] = pg->pg_temp.osds[i];  in get_temp_osds()
2560 	pg = lookup_pg_mapping(&osdmap->primary_temp, pgid);  in get_temp_osds()
2561 	if (pg)  in get_temp_osds()
2562 		temp->primary = pg->primary_temp.osd;  in get_temp_osds()