138 						struct extent_node *en)  in __try_update_largest_extent()  argument
142 	if (en->ei.len <= et->largest.len)  in __try_update_largest_extent()
145 	et->largest = en->ei;  in __try_update_largest_extent()
186 	struct extent_node *en;  in __lookup_extent_node()  local
195 		en = rb_entry(node, struct extent_node, rb_node);  in __lookup_extent_node()
197 		if (fofs < en->ei.fofs)  in __lookup_extent_node()
199 		else if (fofs >= en->ei.fofs + en->ei.len)  in __lookup_extent_node()
202 			return en;  in __lookup_extent_node()
227 	struct extent_node *en = cached_en;  in __lookup_extent_node_ret()  local
237 	if (en && en->ei.fofs <= fofs && en->ei.fofs + en->ei.len > fofs)  in __lookup_extent_node_ret()
244 		en = rb_entry(*pnode, struct extent_node, rb_node);  in __lookup_extent_node_ret()
246 		if (fofs < en->ei.fofs) {  in __lookup_extent_node_ret()
248 		} else if (fofs >= en->ei.fofs + en->ei.len) {  in __lookup_extent_node_ret()
259 	en = rb_entry(parent, struct extent_node, rb_node);  in __lookup_extent_node_ret()
261 	if (parent && fofs > en->ei.fofs)  in __lookup_extent_node_ret()
266 	if (parent && fofs < en->ei.fofs)  in __lookup_extent_node_ret()
272 	if (fofs == en->ei.fofs) {  in __lookup_extent_node_ret()
274 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
278 	if (fofs == en->ei.fofs + en->ei.len - 1) {  in __lookup_extent_node_ret()
280 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
284 	return en;  in __lookup_extent_node_ret()
296 	struct extent_node *en;  in __attach_extent_node()  local
298 	en = f2fs_kmem_cache_alloc(extent_node_slab, GFP_ATOMIC, false, sbi);  in __attach_extent_node()
299 	if (!en)  in __attach_extent_node()
302 	en->ei = *ei;  in __attach_extent_node()
303 	INIT_LIST_HEAD(&en->list);  in __attach_extent_node()
304 	en->et = et;  in __attach_extent_node()
306 	rb_link_node(&en->rb_node, parent, p);  in __attach_extent_node()
307 	rb_insert_color_cached(&en->rb_node, &et->root, leftmost);  in __attach_extent_node()
310 	return en;  in __attach_extent_node()
314 				struct extent_tree *et, struct extent_node *en)  in __detach_extent_node()  argument
318 	rb_erase_cached(&en->rb_node, &et->root);  in __detach_extent_node()
322 	if (et->cached_en == en)  in __detach_extent_node()
324 	kmem_cache_free(extent_node_slab, en);  in __detach_extent_node()
334 			struct extent_tree *et, struct extent_node *en)  in __release_extent_node()  argument
339 	f2fs_bug_on(sbi, list_empty(&en->list));  in __release_extent_node()
340 	list_del_init(&en->list);  in __release_extent_node()
343 	__detach_extent_node(sbi, et, en);  in __release_extent_node()
385 	struct extent_node *en;  in __free_extent_tree()  local
392 		en = rb_entry(node, struct extent_node, rb_node);  in __free_extent_tree()
393 		__release_extent_node(sbi, et, en);  in __free_extent_tree()
416 	struct extent_node *en;  in f2fs_init_read_extent_tree()  local
443 	en = __attach_extent_node(sbi, et, &ei, NULL,  in f2fs_init_read_extent_tree()
445 	if (en) {  in f2fs_init_read_extent_tree()
446 		et->largest = en->ei;  in f2fs_init_read_extent_tree()
447 		et->cached_en = en;  in f2fs_init_read_extent_tree()
450 		list_add_tail(&en->list, &eti->extent_list);  in f2fs_init_read_extent_tree()
486 	struct extent_node *en;  in __lookup_extent_tree()  local
510 	en = __lookup_extent_node(&et->root, et->cached_en, pgofs);  in __lookup_extent_tree()
511 	if (!en)  in __lookup_extent_tree()
514 	if (en == et->cached_en)  in __lookup_extent_tree()
519 	*ei = en->ei;  in __lookup_extent_tree()
521 	if (!list_empty(&en->list)) {  in __lookup_extent_tree()
522 		list_move_tail(&en->list, &eti->extent_list);  in __lookup_extent_tree()
523 		et->cached_en = en;  in __lookup_extent_tree()
544 	struct extent_node *en = NULL;  in __try_merge_extent_node()  local
549 		en = prev_ex;  in __try_merge_extent_node()
557 		if (en)  in __try_merge_extent_node()
560 		en = next_ex;  in __try_merge_extent_node()
563 	if (!en)  in __try_merge_extent_node()
566 	__try_update_largest_extent(et, en);  in __try_merge_extent_node()
569 	if (!list_empty(&en->list)) {  in __try_merge_extent_node()
570 		list_move_tail(&en->list, &eti->extent_list);  in __try_merge_extent_node()
571 		et->cached_en = en;  in __try_merge_extent_node()
574 	return en;  in __try_merge_extent_node()
586 	struct extent_node *en = NULL;  in __insert_extent_tree()  local
599 		en = rb_entry(parent, struct extent_node, rb_node);  in __insert_extent_tree()
601 		if (ei->fofs < en->ei.fofs) {  in __insert_extent_tree()
603 		} else if (ei->fofs >= en->ei.fofs + en->ei.len) {  in __insert_extent_tree()
612 	en = __attach_extent_node(sbi, et, ei, parent, p, leftmost);  in __insert_extent_tree()
613 	if (!en)  in __insert_extent_tree()
616 	__try_update_largest_extent(et, en);  in __insert_extent_tree()
620 	list_add_tail(&en->list, &eti->extent_list);  in __insert_extent_tree()
621 	et->cached_en = en;  in __insert_extent_tree()
623 	return en;  in __insert_extent_tree()
655 	struct extent_node *en = NULL, *en1 = NULL;  in __update_extent_tree_range()  local
693 	en = __lookup_extent_node_ret(&et->root,  in __update_extent_tree_range()
698 	if (!en)  in __update_extent_tree_range()
699 		en = next_en;  in __update_extent_tree_range()
702 	while (en && en->ei.fofs < end) {  in __update_extent_tree_range()
708 		dei = en->ei;  in __update_extent_tree_range()
714 			en->ei.len = fofs - en->ei.fofs;  in __update_extent_tree_range()
715 			prev_en = en;  in __update_extent_tree_range()
733 				__set_extent_info(&en->ei,  in __update_extent_tree_range()
734 					end, en->ei.len - (end - dei.fofs),  in __update_extent_tree_range()
735 					en->ei.blk + (end - dei.fofs), true,  in __update_extent_tree_range()
738 				next_en = en;  in __update_extent_tree_range()
744 			struct rb_node *node = rb_next(&en->rb_node);  in __update_extent_tree_range()
751 			__try_update_largest_extent(et, en);  in __update_extent_tree_range()
753 			__release_extent_node(sbi, et, en);  in __update_extent_tree_range()
764 		en = next_en;  in __update_extent_tree_range()
821 	struct extent_node *en = NULL;  in f2fs_update_read_extent_tree_range_compressed()  local
836 	en = __lookup_extent_node_ret(&et->root,  in f2fs_update_read_extent_tree_range_compressed()
841 	if (en)  in f2fs_update_read_extent_tree_range_compressed()
958 	struct extent_node *en;  in __shrink_extent_tree()  local
1004 		en = list_first_entry(&eti->extent_list,  in __shrink_extent_tree()
1006 		et = en->et;  in __shrink_extent_tree()
1009 			list_move_tail(&en->list, &eti->extent_list);  in __shrink_extent_tree()
1013 		list_del_init(&en->list);  in __shrink_extent_tree()
1016 		__detach_extent_node(sbi, et, en);  in __shrink_extent_tree()