127 						struct extent_node *en)  in __try_update_largest_extent()  argument
131 	if (en->ei.len <= et->largest.len)  in __try_update_largest_extent()
134 	et->largest = en->ei;  in __try_update_largest_extent()
175 	struct extent_node *en;  in __lookup_extent_node()  local
184 		en = rb_entry(node, struct extent_node, rb_node);  in __lookup_extent_node()
186 		if (fofs < en->ei.fofs)  in __lookup_extent_node()
188 		else if (fofs >= en->ei.fofs + en->ei.len)  in __lookup_extent_node()
191 			return en;  in __lookup_extent_node()
216 	struct extent_node *en = cached_en;  in __lookup_extent_node_ret()  local
226 	if (en && en->ei.fofs <= fofs && en->ei.fofs + en->ei.len > fofs)  in __lookup_extent_node_ret()
233 		en = rb_entry(*pnode, struct extent_node, rb_node);  in __lookup_extent_node_ret()
235 		if (fofs < en->ei.fofs) {  in __lookup_extent_node_ret()
237 		} else if (fofs >= en->ei.fofs + en->ei.len) {  in __lookup_extent_node_ret()
248 	en = rb_entry(parent, struct extent_node, rb_node);  in __lookup_extent_node_ret()
250 	if (parent && fofs > en->ei.fofs)  in __lookup_extent_node_ret()
255 	if (parent && fofs < en->ei.fofs)  in __lookup_extent_node_ret()
261 	if (fofs == en->ei.fofs) {  in __lookup_extent_node_ret()
263 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
267 	if (fofs == en->ei.fofs + en->ei.len - 1) {  in __lookup_extent_node_ret()
269 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
273 	return en;  in __lookup_extent_node_ret()
285 	struct extent_node *en;  in __attach_extent_node()  local
287 	en = f2fs_kmem_cache_alloc(extent_node_slab, GFP_ATOMIC, false, sbi);  in __attach_extent_node()
288 	if (!en)  in __attach_extent_node()
291 	en->ei = *ei;  in __attach_extent_node()
292 	INIT_LIST_HEAD(&en->list);  in __attach_extent_node()
293 	en->et = et;  in __attach_extent_node()
295 	rb_link_node(&en->rb_node, parent, p);  in __attach_extent_node()
296 	rb_insert_color_cached(&en->rb_node, &et->root, leftmost);  in __attach_extent_node()
299 	return en;  in __attach_extent_node()
303 				struct extent_tree *et, struct extent_node *en)  in __detach_extent_node()  argument
307 	rb_erase_cached(&en->rb_node, &et->root);  in __detach_extent_node()
311 	if (et->cached_en == en)  in __detach_extent_node()
313 	kmem_cache_free(extent_node_slab, en);  in __detach_extent_node()
323 			struct extent_tree *et, struct extent_node *en)  in __release_extent_node()  argument
328 	f2fs_bug_on(sbi, list_empty(&en->list));  in __release_extent_node()
329 	list_del_init(&en->list);  in __release_extent_node()
332 	__detach_extent_node(sbi, et, en);  in __release_extent_node()
374 	struct extent_node *en;  in __free_extent_tree()  local
380 		en = rb_entry(node, struct extent_node, rb_node);  in __free_extent_tree()
381 		__release_extent_node(sbi, et, en);  in __free_extent_tree()
404 	struct extent_node *en;  in f2fs_init_read_extent_tree()  local
428 	en = __attach_extent_node(sbi, et, &ei, NULL,  in f2fs_init_read_extent_tree()
430 	if (en) {  in f2fs_init_read_extent_tree()
431 		et->largest = en->ei;  in f2fs_init_read_extent_tree()
432 		et->cached_en = en;  in f2fs_init_read_extent_tree()
435 		list_add_tail(&en->list, &eti->extent_list);  in f2fs_init_read_extent_tree()
469 	struct extent_node *en;  in __lookup_extent_tree()  local
488 	en = __lookup_extent_node(&et->root, et->cached_en, pgofs);  in __lookup_extent_tree()
489 	if (!en)  in __lookup_extent_tree()
492 	if (en == et->cached_en)  in __lookup_extent_tree()
497 	*ei = en->ei;  in __lookup_extent_tree()
499 	if (!list_empty(&en->list)) {  in __lookup_extent_tree()
500 		list_move_tail(&en->list, &eti->extent_list);  in __lookup_extent_tree()
501 		et->cached_en = en;  in __lookup_extent_tree()
522 	struct extent_node *en = NULL;  in __try_merge_extent_node()  local
527 		en = prev_ex;  in __try_merge_extent_node()
535 		if (en)  in __try_merge_extent_node()
538 		en = next_ex;  in __try_merge_extent_node()
541 	if (!en)  in __try_merge_extent_node()
544 	__try_update_largest_extent(et, en);  in __try_merge_extent_node()
547 	if (!list_empty(&en->list)) {  in __try_merge_extent_node()
548 		list_move_tail(&en->list, &eti->extent_list);  in __try_merge_extent_node()
549 		et->cached_en = en;  in __try_merge_extent_node()
552 	return en;  in __try_merge_extent_node()
564 	struct extent_node *en = NULL;  in __insert_extent_tree()  local
577 		en = rb_entry(parent, struct extent_node, rb_node);  in __insert_extent_tree()
579 		if (ei->fofs < en->ei.fofs) {  in __insert_extent_tree()
581 		} else if (ei->fofs >= en->ei.fofs + en->ei.len) {  in __insert_extent_tree()
590 	en = __attach_extent_node(sbi, et, ei, parent, p, leftmost);  in __insert_extent_tree()
591 	if (!en)  in __insert_extent_tree()
594 	__try_update_largest_extent(et, en);  in __insert_extent_tree()
598 	list_add_tail(&en->list, &eti->extent_list);  in __insert_extent_tree()
599 	et->cached_en = en;  in __insert_extent_tree()
601 	return en;  in __insert_extent_tree()
609 	struct extent_node *en = NULL, *en1 = NULL;  in __update_extent_tree_range()  local
647 	en = __lookup_extent_node_ret(&et->root,  in __update_extent_tree_range()
652 	if (!en)  in __update_extent_tree_range()
653 		en = next_en;  in __update_extent_tree_range()
656 	while (en && en->ei.fofs < end) {  in __update_extent_tree_range()
662 		dei = en->ei;  in __update_extent_tree_range()
668 			en->ei.len = fofs - en->ei.fofs;  in __update_extent_tree_range()
669 			prev_en = en;  in __update_extent_tree_range()
685 				__set_extent_info(&en->ei,  in __update_extent_tree_range()
686 					end, en->ei.len - (end - dei.fofs),  in __update_extent_tree_range()
687 					en->ei.blk + (end - dei.fofs), true,  in __update_extent_tree_range()
690 				next_en = en;  in __update_extent_tree_range()
696 			struct rb_node *node = rb_next(&en->rb_node);  in __update_extent_tree_range()
703 			__try_update_largest_extent(et, en);  in __update_extent_tree_range()
705 			__release_extent_node(sbi, et, en);  in __update_extent_tree_range()
716 		en = next_en;  in __update_extent_tree_range()
773 	struct extent_node *en = NULL;  in f2fs_update_read_extent_tree_range_compressed()  local
788 	en = __lookup_extent_node_ret(&et->root,  in f2fs_update_read_extent_tree_range_compressed()
793 	if (en)  in f2fs_update_read_extent_tree_range_compressed()
912 	struct extent_node *en;  in __shrink_extent_tree()  local
954 		en = list_first_entry(&eti->extent_list,  in __shrink_extent_tree()
956 		et = en->et;  in __shrink_extent_tree()
959 			list_move_tail(&en->list, &eti->extent_list);  in __shrink_extent_tree()
963 		list_del_init(&en->list);  in __shrink_extent_tree()
966 		__detach_extent_node(sbi, et, en);  in __shrink_extent_tree()