78 namespace_clear(libzfs_handle_t *hdl)  in namespace_clear()  argument
80 	if (hdl->libzfs_ns_avl) {  in namespace_clear()
84 		while ((cn = uu_avl_teardown(hdl->libzfs_ns_avl,  in namespace_clear()
91 		uu_avl_destroy(hdl->libzfs_ns_avl);  in namespace_clear()
92 		hdl->libzfs_ns_avl = NULL;  in namespace_clear()
95 	if (hdl->libzfs_ns_avlpool) {  in namespace_clear()
96 		uu_avl_pool_destroy(hdl->libzfs_ns_avlpool);  in namespace_clear()
97 		hdl->libzfs_ns_avlpool = NULL;  in namespace_clear()
105 namespace_reload(libzfs_handle_t *hdl)  in namespace_reload()  argument
113 	if (hdl->libzfs_ns_gen == 0) {  in namespace_reload()
119 		if ((hdl->libzfs_ns_avlpool = uu_avl_pool_create("config_pool",  in namespace_reload()
123 			return (no_memory(hdl));  in namespace_reload()
125 		if ((hdl->libzfs_ns_avl = uu_avl_create(hdl->libzfs_ns_avlpool,  in namespace_reload()
127 			return (no_memory(hdl));  in namespace_reload()
130 	zcmd_alloc_dst_nvlist(hdl, &zc, 0);  in namespace_reload()
133 		zc.zc_cookie = hdl->libzfs_ns_gen;  in namespace_reload()
134 		if (zfs_ioctl(hdl, ZFS_IOC_POOL_CONFIGS, &zc) != 0) {  in namespace_reload()
144 				zcmd_expand_dst_nvlist(hdl, &zc);  in namespace_reload()
149 				return (zfs_standard_error(hdl, errno,  in namespace_reload()
154 			hdl->libzfs_ns_gen = zc.zc_cookie;  in namespace_reload()
159 	if (zcmd_read_dst_nvlist(hdl, &zc, &config) != 0) {  in namespace_reload()
170 	while ((cn = uu_avl_teardown(hdl->libzfs_ns_avl, &cookie)) != NULL) {  in namespace_reload()
181 		cn = zfs_alloc(hdl, sizeof (config_node_t));  in namespace_reload()
182 		cn->cn_name = zfs_strdup(hdl, nvpair_name(elem));  in namespace_reload()
188 			return (no_memory(hdl));  in namespace_reload()
190 		verify(uu_avl_find(hdl->libzfs_ns_avl, cn, NULL, &where)  in namespace_reload()
193 		uu_avl_insert(hdl->libzfs_ns_avl, cn, where);  in namespace_reload()
255 	libzfs_handle_t *hdl = zhp->zpool_hdl;  in zpool_refresh_stats()  local
263 	zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size);  in zpool_refresh_stats()
276 			zcmd_expand_dst_nvlist(hdl, &zc);  in zpool_refresh_stats()
286 	if (zcmd_read_dst_nvlist(hdl, &zc, &config) != 0) {  in zpool_refresh_stats()
370 zpool_iter(libzfs_handle_t *hdl, zpool_iter_f func, void *data)  in zpool_iter()  argument
382 	if (!hdl->libzfs_pool_iter && namespace_reload(hdl) != 0)  in zpool_iter()
385 	hdl->libzfs_pool_iter++;  in zpool_iter()
386 	for (cn = uu_avl_first(hdl->libzfs_ns_avl); cn != NULL;  in zpool_iter()
387 	    cn = uu_avl_next(hdl->libzfs_ns_avl, cn)) {  in zpool_iter()
392 		if (zpool_open_silent(hdl, cn->cn_name, &zhp) != 0) {  in zpool_iter()
393 			hdl->libzfs_pool_iter--;  in zpool_iter()
401 			hdl->libzfs_pool_iter--;  in zpool_iter()
405 	hdl->libzfs_pool_iter--;  in zpool_iter()
415 zfs_iter_root(libzfs_handle_t *hdl, zfs_iter_f func, void *data)  in zfs_iter_root()  argument
421 	if (namespace_reload(hdl) != 0)  in zfs_iter_root()
424 	for (cn = uu_avl_first(hdl->libzfs_ns_avl); cn != NULL;  in zfs_iter_root()
425 	    cn = uu_avl_next(hdl->libzfs_ns_avl, cn)) {  in zfs_iter_root()
430 		if ((zhp = make_dataset_handle(hdl, cn->cn_name)) == NULL)  in zfs_iter_root()