105 						struct extent_node *en)  in __try_update_largest_extent()  argument
109 	if (en->ei.len <= et->largest.len)  in __try_update_largest_extent()
112 	et->largest = en->ei;  in __try_update_largest_extent()
153 	struct extent_node *en;  in __lookup_extent_node()  local
162 		en = rb_entry(node, struct extent_node, rb_node);  in __lookup_extent_node()
164 		if (fofs < en->ei.fofs)  in __lookup_extent_node()
166 		else if (fofs >= en->ei.fofs + en->ei.len)  in __lookup_extent_node()
169 			return en;  in __lookup_extent_node()
194 	struct extent_node *en = cached_en;  in __lookup_extent_node_ret()  local
204 	if (en && en->ei.fofs <= fofs && en->ei.fofs + en->ei.len > fofs)  in __lookup_extent_node_ret()
211 		en = rb_entry(*pnode, struct extent_node, rb_node);  in __lookup_extent_node_ret()
213 		if (fofs < en->ei.fofs) {  in __lookup_extent_node_ret()
215 		} else if (fofs >= en->ei.fofs + en->ei.len) {  in __lookup_extent_node_ret()
226 	en = rb_entry(parent, struct extent_node, rb_node);  in __lookup_extent_node_ret()
228 	if (parent && fofs > en->ei.fofs)  in __lookup_extent_node_ret()
233 	if (parent && fofs < en->ei.fofs)  in __lookup_extent_node_ret()
239 	if (fofs == en->ei.fofs) {  in __lookup_extent_node_ret()
241 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
245 	if (fofs == en->ei.fofs + en->ei.len - 1) {  in __lookup_extent_node_ret()
247 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
251 	return en;  in __lookup_extent_node_ret()
263 	struct extent_node *en;  in __attach_extent_node()  local
265 	en = f2fs_kmem_cache_alloc(extent_node_slab, GFP_ATOMIC, false, sbi);  in __attach_extent_node()
266 	if (!en)  in __attach_extent_node()
269 	en->ei = *ei;  in __attach_extent_node()
270 	INIT_LIST_HEAD(&en->list);  in __attach_extent_node()
271 	en->et = et;  in __attach_extent_node()
273 	rb_link_node(&en->rb_node, parent, p);  in __attach_extent_node()
274 	rb_insert_color_cached(&en->rb_node, &et->root, leftmost);  in __attach_extent_node()
277 	return en;  in __attach_extent_node()
281 				struct extent_tree *et, struct extent_node *en)  in __detach_extent_node()  argument
285 	rb_erase_cached(&en->rb_node, &et->root);  in __detach_extent_node()
289 	if (et->cached_en == en)  in __detach_extent_node()
291 	kmem_cache_free(extent_node_slab, en);  in __detach_extent_node()
301 			struct extent_tree *et, struct extent_node *en)  in __release_extent_node()  argument
306 	f2fs_bug_on(sbi, list_empty(&en->list));  in __release_extent_node()
307 	list_del_init(&en->list);  in __release_extent_node()
310 	__detach_extent_node(sbi, et, en);  in __release_extent_node()
352 	struct extent_node *en;  in __free_extent_tree()  local
358 		en = rb_entry(node, struct extent_node, rb_node);  in __free_extent_tree()
359 		__release_extent_node(sbi, et, en);  in __free_extent_tree()
382 	struct extent_node *en;  in f2fs_init_read_extent_tree()  local
404 	en = __attach_extent_node(sbi, et, &ei, NULL,  in f2fs_init_read_extent_tree()
406 	if (en) {  in f2fs_init_read_extent_tree()
407 		et->largest = en->ei;  in f2fs_init_read_extent_tree()
408 		et->cached_en = en;  in f2fs_init_read_extent_tree()
411 		list_add_tail(&en->list, &eti->extent_list);  in f2fs_init_read_extent_tree()
447 	struct extent_node *en;  in __lookup_extent_tree()  local
466 	en = __lookup_extent_node(&et->root, et->cached_en, pgofs);  in __lookup_extent_tree()
467 	if (!en)  in __lookup_extent_tree()
470 	if (en == et->cached_en)  in __lookup_extent_tree()
475 	*ei = en->ei;  in __lookup_extent_tree()
477 	if (!list_empty(&en->list)) {  in __lookup_extent_tree()
478 		list_move_tail(&en->list, &eti->extent_list);  in __lookup_extent_tree()
479 		et->cached_en = en;  in __lookup_extent_tree()
500 	struct extent_node *en = NULL;  in __try_merge_extent_node()  local
505 		en = prev_ex;  in __try_merge_extent_node()
513 		if (en)  in __try_merge_extent_node()
516 		en = next_ex;  in __try_merge_extent_node()
519 	if (!en)  in __try_merge_extent_node()
522 	__try_update_largest_extent(et, en);  in __try_merge_extent_node()
525 	if (!list_empty(&en->list)) {  in __try_merge_extent_node()
526 		list_move_tail(&en->list, &eti->extent_list);  in __try_merge_extent_node()
527 		et->cached_en = en;  in __try_merge_extent_node()
530 	return en;  in __try_merge_extent_node()
542 	struct extent_node *en = NULL;  in __insert_extent_tree()  local
555 		en = rb_entry(parent, struct extent_node, rb_node);  in __insert_extent_tree()
557 		if (ei->fofs < en->ei.fofs) {  in __insert_extent_tree()
559 		} else if (ei->fofs >= en->ei.fofs + en->ei.len) {  in __insert_extent_tree()
568 	en = __attach_extent_node(sbi, et, ei, parent, p, leftmost);  in __insert_extent_tree()
569 	if (!en)  in __insert_extent_tree()
572 	__try_update_largest_extent(et, en);  in __insert_extent_tree()
576 	list_add_tail(&en->list, &eti->extent_list);  in __insert_extent_tree()
577 	et->cached_en = en;  in __insert_extent_tree()
579 	return en;  in __insert_extent_tree()
587 	struct extent_node *en = NULL, *en1 = NULL;  in __update_extent_tree_range()  local
625 	en = __lookup_extent_node_ret(&et->root,  in __update_extent_tree_range()
630 	if (!en)  in __update_extent_tree_range()
631 		en = next_en;  in __update_extent_tree_range()
634 	while (en && en->ei.fofs < end) {  in __update_extent_tree_range()
640 		dei = en->ei;  in __update_extent_tree_range()
646 			en->ei.len = fofs - en->ei.fofs;  in __update_extent_tree_range()
647 			prev_en = en;  in __update_extent_tree_range()
663 				__set_extent_info(&en->ei,  in __update_extent_tree_range()
664 					end, en->ei.len - (end - dei.fofs),  in __update_extent_tree_range()
665 					en->ei.blk + (end - dei.fofs), true,  in __update_extent_tree_range()
668 				next_en = en;  in __update_extent_tree_range()
674 			struct rb_node *node = rb_next(&en->rb_node);  in __update_extent_tree_range()
681 			__try_update_largest_extent(et, en);  in __update_extent_tree_range()
683 			__release_extent_node(sbi, et, en);  in __update_extent_tree_range()
694 		en = next_en;  in __update_extent_tree_range()
751 	struct extent_node *en = NULL;  in f2fs_update_read_extent_tree_range_compressed()  local
766 	en = __lookup_extent_node_ret(&et->root,  in f2fs_update_read_extent_tree_range_compressed()
771 	if (en)  in f2fs_update_read_extent_tree_range_compressed()
888 	struct extent_node *en;  in __shrink_extent_tree()  local
930 		en = list_first_entry(&eti->extent_list,  in __shrink_extent_tree()
932 		et = en->et;  in __shrink_extent_tree()
935 			list_move_tail(&en->list, &eti->extent_list);  in __shrink_extent_tree()
939 		list_del_init(&en->list);  in __shrink_extent_tree()
942 		__detach_extent_node(sbi, et, en);  in __shrink_extent_tree()