315 	zfs_locked_range_t *next;  in zfs_rangelock_add_reader()  local
341 		next = prev;  in zfs_rangelock_add_reader()
343 		next = avl_nearest(tree, where, AVL_AFTER);  in zfs_rangelock_add_reader()
345 	if (next == NULL || off + len <= next->lr_offset) {  in zfs_rangelock_add_reader()
351 	if (off < next->lr_offset) {  in zfs_rangelock_add_reader()
353 		zfs_rangelock_new_proxy(tree, off, next->lr_offset - off);  in zfs_rangelock_add_reader()
363 	for (prev = NULL; next; prev = next, next = AVL_NEXT(tree, next)) {  in zfs_rangelock_add_reader()
364 		if (off + len <= next->lr_offset)  in zfs_rangelock_add_reader()
367 		    next->lr_offset) {  in zfs_rangelock_add_reader()
369 			ASSERT3U(next->lr_offset, >,  in zfs_rangelock_add_reader()
373 			    next->lr_offset -  in zfs_rangelock_add_reader()
376 		if (off + len == next->lr_offset + next->lr_length) {  in zfs_rangelock_add_reader()
378 			next = zfs_rangelock_proxify(tree, next);  in zfs_rangelock_add_reader()
379 			next->lr_count++;  in zfs_rangelock_add_reader()
382 		if (off + len < next->lr_offset + next->lr_length) {  in zfs_rangelock_add_reader()
384 			next = zfs_rangelock_split(tree, next, off + len);  in zfs_rangelock_add_reader()
385 			next->lr_count++;  in zfs_rangelock_add_reader()
388 		ASSERT3U(off + len, >, next->lr_offset + next->lr_length);  in zfs_rangelock_add_reader()
389 		next = zfs_rangelock_proxify(tree, next);  in zfs_rangelock_add_reader()
390 		next->lr_count++;  in zfs_rangelock_add_reader()
407 	zfs_locked_range_t *prev, *next;  in zfs_rangelock_enter_reader()  local
444 		next = AVL_NEXT(tree, prev);  in zfs_rangelock_enter_reader()
446 		next = avl_nearest(tree, where, AVL_AFTER);  in zfs_rangelock_enter_reader()
447 	for (; next != NULL; next = AVL_NEXT(tree, next)) {  in zfs_rangelock_enter_reader()
448 		if (off + len <= next->lr_offset)  in zfs_rangelock_enter_reader()
450 		if ((next->lr_type == RL_WRITER) || (next->lr_write_wanted)) {  in zfs_rangelock_enter_reader()
453 			if (!next->lr_read_wanted) {  in zfs_rangelock_enter_reader()
454 				cv_init(&next->lr_read_cv,  in zfs_rangelock_enter_reader()
456 				next->lr_read_wanted = B_TRUE;  in zfs_rangelock_enter_reader()
458 			cv_wait(&next->lr_read_cv, &rl->rl_lock);  in zfs_rangelock_enter_reader()
461 		if (off + len <= next->lr_offset + next->lr_length)  in zfs_rangelock_enter_reader()
587 		zfs_locked_range_t *next = NULL;  in zfs_rangelock_exit_reader()  local
588 		for (len = remove->lr_length; len != 0; lr = next) {  in zfs_rangelock_exit_reader()
591 				next = AVL_NEXT(tree, lr);  in zfs_rangelock_exit_reader()
592 				ASSERT3P(next, !=, NULL);  in zfs_rangelock_exit_reader()
594 				    next->lr_offset);  in zfs_rangelock_exit_reader()
595 				ASSERT3U(next->lr_count, !=, 0);  in zfs_rangelock_exit_reader()
596 				ASSERT3U(next->lr_type, ==, RL_READER);  in zfs_rangelock_exit_reader()