fs/f2fs/extent_cache.c

598 	struct extent_node *prev_en = NULL, *next_en = NULL;
637 					&prev_en, &next_en,
641 		en = next_en;
648 		next_en = en1 = NULL;
671 				next_en = en1;
678 				next_en = en;
683 		if (!next_en) {
686 			next_en = rb_entry_safe(node, struct extent_node,
704 		en = next_en;
716 		if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
744 	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))
762 	struct extent_node *prev_en = NULL, *next_en = NULL;
778 					&prev_en, &next_en,
787 	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))