157  *   <name>		show named tunable and value
158  *   <name>=<value>	set tunable value
161  *   show=<name>	show named tunable and value
163  *   info=<name>	show info about named tunable
169 list_tunables_cb(const zfs_tunable_t *tunable, void *arg)  in list_tunables_cb()  argument
182 		int err = zfs_tunable_get(tunable, val, sizeof (val));  in list_tunables_cb()
184 			printf("%s: %s\n", tunable->zt_name, val);  in list_tunables_cb()
186 			printf("%s: [error getting tunable value: %s]\n",  in list_tunables_cb()
187 			    tunable->zt_name, strerror(err));  in list_tunables_cb()
189 		printf("%s [%s %s]: %s\n", tunable->zt_name,  in list_tunables_cb()
190 		    type[tunable->zt_type], perm[tunable->zt_perm],  in list_tunables_cb()
191 		    tunable->zt_desc);  in list_tunables_cb()
226 		const zfs_tunable_t *tunable = zfs_tunable_lookup(k);  in handle_tunable_option()  local
227 		if (tunable == NULL) {  in handle_tunable_option()
233 		if (zfs_tunable_get(tunable, vold, sizeof (vold)) != 0)  in handle_tunable_option()
235 		err = zfs_tunable_set(tunable, v);  in handle_tunable_option()
238 		if (zfs_tunable_get(tunable, vnew, sizeof (vnew)) != 0)  in handle_tunable_option()
244 		const zfs_tunable_t *tunable = zfs_tunable_lookup(k);  in handle_tunable_option()  local
245 		if (tunable == NULL) {  in handle_tunable_option()
249 		list_tunables_cb(tunable, &mode);  in handle_tunable_option()
257 			fprintf(stderr, "no such tunable: %s\n", k);  in handle_tunable_option()
259 			fprintf(stderr, "couldn't set tunable '%s': %s\n",  in handle_tunable_option()