268 typedef struct rll {  struct
1262 ztest_rll_init(rll_t *rll)  in ztest_rll_init()  argument
1264 	rll->rll_writer = NULL;  in ztest_rll_init()
1265 	rll->rll_readers = 0;  in ztest_rll_init()
1266 	mutex_init(&rll->rll_lock, NULL, USYNC_THREAD, NULL);  in ztest_rll_init()
1267 	cv_init(&rll->rll_cv, NULL, USYNC_THREAD, NULL);  in ztest_rll_init()
1271 ztest_rll_destroy(rll_t *rll)  in ztest_rll_destroy()  argument
1273 	ASSERT(rll->rll_writer == NULL);  in ztest_rll_destroy()
1274 	ASSERT(rll->rll_readers == 0);  in ztest_rll_destroy()
1275 	mutex_destroy(&rll->rll_lock);  in ztest_rll_destroy()
1276 	cv_destroy(&rll->rll_cv);  in ztest_rll_destroy()
1280 ztest_rll_lock(rll_t *rll, rl_type_t type)  in ztest_rll_lock()  argument
1282 	mutex_enter(&rll->rll_lock);  in ztest_rll_lock()
1285 		while (rll->rll_writer != NULL)  in ztest_rll_lock()
1286 			cv_wait(&rll->rll_cv, &rll->rll_lock);  in ztest_rll_lock()
1287 		rll->rll_readers++;  in ztest_rll_lock()
1289 		while (rll->rll_writer != NULL || rll->rll_readers)  in ztest_rll_lock()
1290 			cv_wait(&rll->rll_cv, &rll->rll_lock);  in ztest_rll_lock()
1291 		rll->rll_writer = curthread;  in ztest_rll_lock()
1294 	mutex_exit(&rll->rll_lock);  in ztest_rll_lock()
1298 ztest_rll_unlock(rll_t *rll)  in ztest_rll_unlock()  argument
1300 	mutex_enter(&rll->rll_lock);  in ztest_rll_unlock()
1302 	if (rll->rll_writer) {  in ztest_rll_unlock()
1303 		ASSERT(rll->rll_readers == 0);  in ztest_rll_unlock()
1304 		rll->rll_writer = NULL;  in ztest_rll_unlock()
1306 		ASSERT(rll->rll_readers != 0);  in ztest_rll_unlock()
1307 		ASSERT(rll->rll_writer == NULL);  in ztest_rll_unlock()
1308 		rll->rll_readers--;  in ztest_rll_unlock()
1311 	if (rll->rll_writer == NULL && rll->rll_readers == 0)  in ztest_rll_unlock()
1312 		cv_broadcast(&rll->rll_cv);  in ztest_rll_unlock()
1314 	mutex_exit(&rll->rll_lock);  in ztest_rll_unlock()
1320 	rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)];  in ztest_object_lock()  local
1322 	ztest_rll_lock(rll, type);  in ztest_object_lock()
1328 	rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)];  in ztest_object_unlock()  local
1330 	ztest_rll_unlock(rll);  in ztest_object_unlock()
1338 	rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)];  in ztest_range_lock()  local
1345 	rl->rl_lock = rll;  in ztest_range_lock()
1347 	ztest_rll_lock(rll, type);  in ztest_range_lock()
1355 	rll_t *rll = rl->rl_lock;  in ztest_range_unlock()  local
1357 	ztest_rll_unlock(rll);  in ztest_range_unlock()