255 			struct extent_info *ei, struct buffer_head *bh_result)  in f2fs_map_bh()  argument
262 	map_bh(bh_result, sb, ei->blk + pgofs - ei->fofs);  in f2fs_map_bh()
263 	mapped_size = (ei->fofs + ei->len - pgofs) << blkbits;  in f2fs_map_bh()
268 							struct extent_info *ei)  in lookup_extent_info()  argument
287 		*ei = fi->ext;  in lookup_extent_info()
365 				struct extent_tree *et, struct extent_info *ei,  in __attach_extent_node()  argument
374 	en->ei = *ei;  in __attach_extent_node()
445 		struct extent_info *cei = &et->cached_en->ei;  in __lookup_extent_tree()
454 		if (fofs < en->ei.fofs) {  in __lookup_extent_tree()
456 		} else if (fofs >= en->ei.fofs + en->ei.len) {  in __lookup_extent_tree()
477 	if (__is_back_mergeable(&en->ei, &prev->ei)) {  in __try_back_merge()
478 		en->ei.fofs = prev->ei.fofs;  in __try_back_merge()
479 		en->ei.blk = prev->ei.blk;  in __try_back_merge()
480 		en->ei.len += prev->ei.len;  in __try_back_merge()
498 	if (__is_front_mergeable(&en->ei, &next->ei)) {  in __try_front_merge()
499 		en->ei.len += next->ei.len;  in __try_front_merge()
507 				struct extent_tree *et, struct extent_info *ei,  in __insert_extent_tree()  argument
518 		if (ei->fofs < en->ei.fofs) {  in __insert_extent_tree()
519 			if (__is_front_mergeable(ei, &en->ei)) {  in __insert_extent_tree()
521 				en->ei.fofs = ei->fofs;  in __insert_extent_tree()
522 				en->ei.blk = ei->blk;  in __insert_extent_tree()
523 				en->ei.len += ei->len;  in __insert_extent_tree()
528 		} else if (ei->fofs >= en->ei.fofs + en->ei.len) {  in __insert_extent_tree()
529 			if (__is_back_mergeable(ei, &en->ei)) {  in __insert_extent_tree()
531 				en->ei.len += ei->len;  in __insert_extent_tree()
541 	return __attach_extent_node(sbi, et, ei, parent, p);  in __insert_extent_tree()
579 	struct extent_info ei;  in f2fs_init_extent_tree()  local
590 	set_extent_info(&ei, le32_to_cpu(i_ext->fofs),  in f2fs_init_extent_tree()
593 	en = __insert_extent_tree(sbi, et, &ei, NULL);  in f2fs_init_extent_tree()
607 							struct extent_info *ei)  in f2fs_lookup_extent_tree()  argument
622 		*ei = en->ei;  in f2fs_lookup_extent_tree()
645 	struct extent_info ei, dei;  in f2fs_update_extent_tree()  local
659 	dei = en->ei;  in f2fs_update_extent_tree()
666 			set_extent_info(&ei, dei.fofs, dei.blk,  in f2fs_update_extent_tree()
668 			en1 = __insert_extent_tree(sbi, et, &ei, NULL);  in f2fs_update_extent_tree()
674 			set_extent_info(&ei, fofs + 1,  in f2fs_update_extent_tree()
676 			en2 = __insert_extent_tree(sbi, et, &ei, NULL);  in f2fs_update_extent_tree()
683 		set_extent_info(&ei, fofs, blkaddr, 1);  in f2fs_update_extent_tree()
684 		en3 = __insert_extent_tree(sbi, et, &ei, &den);  in f2fs_update_extent_tree()
752 		if (__is_extent_same(ext, &en->ei))  in f2fs_preserve_extent_tree()
755 		*ext = en->ei;  in f2fs_preserve_extent_tree()
876 							struct extent_info *ei)  in f2fs_lookup_extent_cache()  argument
882 		return f2fs_lookup_extent_tree(inode, pgofs, ei);  in f2fs_lookup_extent_cache()
884 	return lookup_extent_info(inode, pgofs, ei);  in f2fs_lookup_extent_cache()
913 	struct extent_info ei;  in find_data_page()  local
933 	if (f2fs_lookup_extent_cache(inode, index, &ei)) {  in find_data_page()
934 		dn.data_blkaddr = ei.blk + index - ei.fofs;  in find_data_page()
986 	struct extent_info ei;  in get_lock_data_page()  local
997 	if (f2fs_lookup_extent_cache(inode, index, &ei)) {  in get_lock_data_page()
998 		dn.data_blkaddr = ei.blk + index - ei.fofs;  in get_lock_data_page()
1227 	struct extent_info ei;  in __get_data_block()  local
1233 	if (f2fs_lookup_extent_cache(inode, pgofs, &ei)) {  in __get_data_block()
1234 		f2fs_map_bh(inode->i_sb, pgofs, &ei, bh_result);  in __get_data_block()