291 	locked_range_t *next;  in rangelock_add_reader()  local
317 		next = prev;  in rangelock_add_reader()
319 		next = avl_nearest(tree, where, AVL_AFTER);  in rangelock_add_reader()
321 	if (next == NULL || off + len <= next->lr_offset) {  in rangelock_add_reader()
327 	if (off < next->lr_offset) {  in rangelock_add_reader()
329 		rangelock_new_proxy(tree, off, next->lr_offset - off);  in rangelock_add_reader()
339 	for (prev = NULL; next; prev = next, next = AVL_NEXT(tree, next)) {  in rangelock_add_reader()
340 		if (off + len <= next->lr_offset)  in rangelock_add_reader()
343 		    next->lr_offset) {  in rangelock_add_reader()
345 			ASSERT3U(next->lr_offset, >,  in rangelock_add_reader()
349 			    next->lr_offset -  in rangelock_add_reader()
352 		if (off + len == next->lr_offset + next->lr_length) {  in rangelock_add_reader()
354 			next = rangelock_proxify(tree, next);  in rangelock_add_reader()
355 			next->lr_count++;  in rangelock_add_reader()
358 		if (off + len < next->lr_offset + next->lr_length) {  in rangelock_add_reader()
360 			next = rangelock_split(tree, next, off + len);  in rangelock_add_reader()
361 			next->lr_count++;  in rangelock_add_reader()
364 		ASSERT3U(off + len, >, next->lr_offset + next->lr_length);  in rangelock_add_reader()
365 		next = rangelock_proxify(tree, next);  in rangelock_add_reader()
366 		next->lr_count++;  in rangelock_add_reader()
381 	locked_range_t *prev, *next;  in rangelock_enter_reader()  local
416 		next = AVL_NEXT(tree, prev);  in rangelock_enter_reader()
418 		next = (locked_range_t *)avl_nearest(tree, where, AVL_AFTER);  in rangelock_enter_reader()
419 	for (; next != NULL; next = AVL_NEXT(tree, next)) {  in rangelock_enter_reader()
420 		if (off + len <= next->lr_offset)  in rangelock_enter_reader()
422 		if ((next->lr_type == RL_WRITER) || (next->lr_write_wanted)) {  in rangelock_enter_reader()
423 			if (!next->lr_read_wanted) {  in rangelock_enter_reader()
424 				cv_init(&next->lr_read_cv,  in rangelock_enter_reader()
426 				next->lr_read_wanted = B_TRUE;  in rangelock_enter_reader()
428 			cv_wait(&next->lr_read_cv, &rl->rl_lock);  in rangelock_enter_reader()
431 		if (off + len <= next->lr_offset + next->lr_length)  in rangelock_enter_reader()
522 		locked_range_t *next = NULL;  in rangelock_exit_reader()  local
523 		for (len = remove->lr_length; len != 0; lr = next) {  in rangelock_exit_reader()
526 				next = AVL_NEXT(tree, lr);  in rangelock_exit_reader()
527 				ASSERT3P(next, !=, NULL);  in rangelock_exit_reader()
529 				    next->lr_offset);  in rangelock_exit_reader()
530 				ASSERT3U(next->lr_count, !=, 0);  in rangelock_exit_reader()
531 				ASSERT3U(next->lr_type, ==, RL_READER);  in rangelock_exit_reader()