116 						struct extent_node *en)  in __try_update_largest_extent()  argument
120 	if (en->ei.len <= et->largest.len)  in __try_update_largest_extent()
123 	et->largest = en->ei;  in __try_update_largest_extent()
164 	struct extent_node *en;  in __lookup_extent_node()  local
173 		en = rb_entry(node, struct extent_node, rb_node);  in __lookup_extent_node()
175 		if (fofs < en->ei.fofs)  in __lookup_extent_node()
177 		else if (fofs >= en->ei.fofs + en->ei.len)  in __lookup_extent_node()
180 			return en;  in __lookup_extent_node()
205 	struct extent_node *en = cached_en;  in __lookup_extent_node_ret()  local
215 	if (en && en->ei.fofs <= fofs && en->ei.fofs + en->ei.len > fofs)  in __lookup_extent_node_ret()
222 		en = rb_entry(*pnode, struct extent_node, rb_node);  in __lookup_extent_node_ret()
224 		if (fofs < en->ei.fofs) {  in __lookup_extent_node_ret()
226 		} else if (fofs >= en->ei.fofs + en->ei.len) {  in __lookup_extent_node_ret()
237 	en = rb_entry(parent, struct extent_node, rb_node);  in __lookup_extent_node_ret()
239 	if (parent && fofs > en->ei.fofs)  in __lookup_extent_node_ret()
244 	if (parent && fofs < en->ei.fofs)  in __lookup_extent_node_ret()
250 	if (fofs == en->ei.fofs) {  in __lookup_extent_node_ret()
252 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
256 	if (fofs == en->ei.fofs + en->ei.len - 1) {  in __lookup_extent_node_ret()
258 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
262 	return en;  in __lookup_extent_node_ret()
274 	struct extent_node *en;  in __attach_extent_node()  local
276 	en = f2fs_kmem_cache_alloc(extent_node_slab, GFP_ATOMIC, false, sbi);  in __attach_extent_node()
277 	if (!en)  in __attach_extent_node()
280 	en->ei = *ei;  in __attach_extent_node()
281 	INIT_LIST_HEAD(&en->list);  in __attach_extent_node()
282 	en->et = et;  in __attach_extent_node()
284 	rb_link_node(&en->rb_node, parent, p);  in __attach_extent_node()
285 	rb_insert_color_cached(&en->rb_node, &et->root, leftmost);  in __attach_extent_node()
288 	return en;  in __attach_extent_node()
292 				struct extent_tree *et, struct extent_node *en)  in __detach_extent_node()  argument
296 	rb_erase_cached(&en->rb_node, &et->root);  in __detach_extent_node()
300 	if (et->cached_en == en)  in __detach_extent_node()
302 	kmem_cache_free(extent_node_slab, en);  in __detach_extent_node()
312 			struct extent_tree *et, struct extent_node *en)  in __release_extent_node()  argument
317 	f2fs_bug_on(sbi, list_empty(&en->list));  in __release_extent_node()
318 	list_del_init(&en->list);  in __release_extent_node()
321 	__detach_extent_node(sbi, et, en);  in __release_extent_node()
363 	struct extent_node *en;  in __free_extent_tree()  local
369 		en = rb_entry(node, struct extent_node, rb_node);  in __free_extent_tree()
370 		__release_extent_node(sbi, et, en);  in __free_extent_tree()
393 	struct extent_node *en;  in f2fs_init_read_extent_tree()  local
417 	en = __attach_extent_node(sbi, et, &ei, NULL,  in f2fs_init_read_extent_tree()
419 	if (en) {  in f2fs_init_read_extent_tree()
420 		et->largest = en->ei;  in f2fs_init_read_extent_tree()
421 		et->cached_en = en;  in f2fs_init_read_extent_tree()
424 		list_add_tail(&en->list, &eti->extent_list);  in f2fs_init_read_extent_tree()
458 	struct extent_node *en;  in __lookup_extent_tree()  local
477 	en = __lookup_extent_node(&et->root, et->cached_en, pgofs);  in __lookup_extent_tree()
478 	if (!en)  in __lookup_extent_tree()
481 	if (en == et->cached_en)  in __lookup_extent_tree()
486 	*ei = en->ei;  in __lookup_extent_tree()
488 	if (!list_empty(&en->list)) {  in __lookup_extent_tree()
489 		list_move_tail(&en->list, &eti->extent_list);  in __lookup_extent_tree()
490 		et->cached_en = en;  in __lookup_extent_tree()
511 	struct extent_node *en = NULL;  in __try_merge_extent_node()  local
516 		en = prev_ex;  in __try_merge_extent_node()
524 		if (en)  in __try_merge_extent_node()
527 		en = next_ex;  in __try_merge_extent_node()
530 	if (!en)  in __try_merge_extent_node()
533 	__try_update_largest_extent(et, en);  in __try_merge_extent_node()
536 	if (!list_empty(&en->list)) {  in __try_merge_extent_node()
537 		list_move_tail(&en->list, &eti->extent_list);  in __try_merge_extent_node()
538 		et->cached_en = en;  in __try_merge_extent_node()
541 	return en;  in __try_merge_extent_node()
553 	struct extent_node *en = NULL;  in __insert_extent_tree()  local
566 		en = rb_entry(parent, struct extent_node, rb_node);  in __insert_extent_tree()
568 		if (ei->fofs < en->ei.fofs) {  in __insert_extent_tree()
570 		} else if (ei->fofs >= en->ei.fofs + en->ei.len) {  in __insert_extent_tree()
579 	en = __attach_extent_node(sbi, et, ei, parent, p, leftmost);  in __insert_extent_tree()
580 	if (!en)  in __insert_extent_tree()
583 	__try_update_largest_extent(et, en);  in __insert_extent_tree()
587 	list_add_tail(&en->list, &eti->extent_list);  in __insert_extent_tree()
588 	et->cached_en = en;  in __insert_extent_tree()
590 	return en;  in __insert_extent_tree()
598 	struct extent_node *en = NULL, *en1 = NULL;  in __update_extent_tree_range()  local
636 	en = __lookup_extent_node_ret(&et->root,  in __update_extent_tree_range()
641 	if (!en)  in __update_extent_tree_range()
642 		en = next_en;  in __update_extent_tree_range()
645 	while (en && en->ei.fofs < end) {  in __update_extent_tree_range()
651 		dei = en->ei;  in __update_extent_tree_range()
657 			en->ei.len = fofs - en->ei.fofs;  in __update_extent_tree_range()
658 			prev_en = en;  in __update_extent_tree_range()
674 				__set_extent_info(&en->ei,  in __update_extent_tree_range()
675 					end, en->ei.len - (end - dei.fofs),  in __update_extent_tree_range()
676 					en->ei.blk + (end - dei.fofs), true,  in __update_extent_tree_range()
679 				next_en = en;  in __update_extent_tree_range()
685 			struct rb_node *node = rb_next(&en->rb_node);  in __update_extent_tree_range()
692 			__try_update_largest_extent(et, en);  in __update_extent_tree_range()
694 			__release_extent_node(sbi, et, en);  in __update_extent_tree_range()
705 		en = next_en;  in __update_extent_tree_range()
762 	struct extent_node *en = NULL;  in f2fs_update_read_extent_tree_range_compressed()  local
777 	en = __lookup_extent_node_ret(&et->root,  in f2fs_update_read_extent_tree_range_compressed()
782 	if (en)  in f2fs_update_read_extent_tree_range_compressed()
901 	struct extent_node *en;  in __shrink_extent_tree()  local
943 		en = list_first_entry(&eti->extent_list,  in __shrink_extent_tree()
945 		et = en->et;  in __shrink_extent_tree()
948 			list_move_tail(&en->list, &eti->extent_list);  in __shrink_extent_tree()
952 		list_del_init(&en->list);  in __shrink_extent_tree()
955 		__detach_extent_node(sbi, et, en);  in __shrink_extent_tree()