79 namespace_clear(libzfs_handle_t *hdl)  in namespace_clear()  argument
81 	if (hdl->libzfs_ns_avl) {  in namespace_clear()
85 		while ((cn = uu_avl_teardown(hdl->libzfs_ns_avl,  in namespace_clear()
92 		uu_avl_destroy(hdl->libzfs_ns_avl);  in namespace_clear()
93 		hdl->libzfs_ns_avl = NULL;  in namespace_clear()
96 	if (hdl->libzfs_ns_avlpool) {  in namespace_clear()
97 		uu_avl_pool_destroy(hdl->libzfs_ns_avlpool);  in namespace_clear()
98 		hdl->libzfs_ns_avlpool = NULL;  in namespace_clear()
106 namespace_reload(libzfs_handle_t *hdl)  in namespace_reload()  argument
114 	if (hdl->libzfs_ns_gen == 0) {  in namespace_reload()
120 		if ((hdl->libzfs_ns_avlpool = uu_avl_pool_create("config_pool",  in namespace_reload()
124 			return (no_memory(hdl));  in namespace_reload()
126 		if ((hdl->libzfs_ns_avl = uu_avl_create(hdl->libzfs_ns_avlpool,  in namespace_reload()
128 			return (no_memory(hdl));  in namespace_reload()
131 	if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0)  in namespace_reload()
135 		zc.zc_cookie = hdl->libzfs_ns_gen;  in namespace_reload()
136 		if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_CONFIGS, &zc) != 0) {  in namespace_reload()
146 				if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) {  in namespace_reload()
154 				return (zfs_standard_error(hdl, errno,  in namespace_reload()
159 			hdl->libzfs_ns_gen = zc.zc_cookie;  in namespace_reload()
164 	if (zcmd_read_dst_nvlist(hdl, &zc, &config) != 0) {  in namespace_reload()
175 	while ((cn = uu_avl_teardown(hdl->libzfs_ns_avl, &cookie)) != NULL) {  in namespace_reload()
186 		if ((cn = zfs_alloc(hdl, sizeof (config_node_t))) == NULL) {  in namespace_reload()
191 		if ((cn->cn_name = zfs_strdup(hdl,  in namespace_reload()
203 			return (no_memory(hdl));  in namespace_reload()
205 		verify(uu_avl_find(hdl->libzfs_ns_avl, cn, NULL, &where)  in namespace_reload()
208 		uu_avl_insert(hdl->libzfs_ns_avl, cn, where);  in namespace_reload()
270 	libzfs_handle_t *hdl = zhp->zpool_hdl;  in zpool_refresh_stats()  local
278 	if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size) != 0)  in zpool_refresh_stats()
292 			if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) {  in zpool_refresh_stats()
305 	if (zcmd_read_dst_nvlist(hdl, &zc, &config) != 0) {  in zpool_refresh_stats()
389 zpool_iter(libzfs_handle_t *hdl, zpool_iter_f func, void *data)  in zpool_iter()  argument
401 	if (!hdl->libzfs_pool_iter && namespace_reload(hdl) != 0)  in zpool_iter()
404 	hdl->libzfs_pool_iter++;  in zpool_iter()
405 	for (cn = uu_avl_first(hdl->libzfs_ns_avl); cn != NULL;  in zpool_iter()
406 	    cn = uu_avl_next(hdl->libzfs_ns_avl, cn)) {  in zpool_iter()
411 		if (zpool_open_silent(hdl, cn->cn_name, &zhp) != 0) {  in zpool_iter()
412 			hdl->libzfs_pool_iter--;  in zpool_iter()
420 			hdl->libzfs_pool_iter--;  in zpool_iter()
424 	hdl->libzfs_pool_iter--;  in zpool_iter()
434 zfs_iter_root(libzfs_handle_t *hdl, zfs_iter_f func, void *data)  in zfs_iter_root()  argument
440 	if (namespace_reload(hdl) != 0)  in zfs_iter_root()
443 	for (cn = uu_avl_first(hdl->libzfs_ns_avl); cn != NULL;  in zfs_iter_root()
444 	    cn = uu_avl_next(hdl->libzfs_ns_avl, cn)) {  in zfs_iter_root()
449 		if ((zhp = make_dataset_handle(hdl, cn->cn_name)) == NULL)  in zfs_iter_root()