22 static void __set_extent_info(struct extent_info *ei,  in __set_extent_info()  argument
28 	ei->fofs = fofs;  in __set_extent_info()
29 	ei->len = len;  in __set_extent_info()
32 		ei->blk = blk;  in __set_extent_info()
36 		ei->c_len = 0;  in __set_extent_info()
39 		ei->age = age;  in __set_extent_info()
40 		ei->last_blocks = last_blocks;  in __set_extent_info()
99 	if (en->ei.len <= et->largest.len)  in __try_update_largest_extent()
102 	et->largest = en->ei;  in __try_update_largest_extent()
357 				struct extent_tree *et, struct extent_info *ei,  in __attach_extent_node()  argument
368 	en->ei = *ei;  in __attach_extent_node()
481 	struct extent_info ei;  in f2fs_init_read_extent_tree()  local
498 	get_read_extent_info(&ei, i_ext);  in f2fs_init_read_extent_tree()
504 	en = __attach_extent_node(sbi, et, &ei, NULL,  in f2fs_init_read_extent_tree()
507 		et->largest = en->ei;  in f2fs_init_read_extent_tree()
540 			struct extent_info *ei, enum extent_type type)  in __lookup_extent_tree()  argument
558 		*ei = et->largest;  in __lookup_extent_tree()
574 	*ei = en->ei;  in __lookup_extent_tree()
587 		trace_f2fs_lookup_read_extent_tree_end(inode, pgofs, ei);  in __lookup_extent_tree()
589 		trace_f2fs_lookup_age_extent_tree_end(inode, pgofs, ei);  in __lookup_extent_tree()
594 				struct extent_tree *et, struct extent_info *ei,  in __try_merge_extent_node()  argument
601 	if (prev_ex && __is_back_mergeable(ei, &prev_ex->ei, et->type)) {  in __try_merge_extent_node()
602 		prev_ex->ei.len += ei->len;  in __try_merge_extent_node()
603 		ei = &prev_ex->ei;  in __try_merge_extent_node()
607 	if (next_ex && __is_front_mergeable(ei, &next_ex->ei, et->type)) {  in __try_merge_extent_node()
608 		next_ex->ei.fofs = ei->fofs;  in __try_merge_extent_node()
609 		next_ex->ei.len += ei->len;  in __try_merge_extent_node()
611 			next_ex->ei.blk = ei->blk;  in __try_merge_extent_node()
633 				struct extent_tree *et, struct extent_info *ei,  in __insert_extent_tree()  argument
652 						ei->fofs, &leftmost);  in __insert_extent_tree()
654 	en = __attach_extent_node(sbi, et, ei, parent, p, leftmost);  in __insert_extent_tree()
675 	struct extent_info ei, dei, prev;  in __update_extent_tree_range()  local
721 	while (en && en->ei.fofs < end) {  in __update_extent_tree_range()
727 		dei = en->ei;  in __update_extent_tree_range()
733 			en->ei.len = fofs - en->ei.fofs;  in __update_extent_tree_range()
741 				__set_extent_info(&ei,  in __update_extent_tree_range()
746 				en1 = __insert_extent_tree(sbi, et, &ei,  in __update_extent_tree_range()
750 				__set_extent_info(&en->ei,  in __update_extent_tree_range()
751 					end, en->ei.len - (end - dei.fofs),  in __update_extent_tree_range()
752 					en->ei.blk + (end - dei.fofs), true,  in __update_extent_tree_range()
791 		__set_extent_info(&ei, fofs, len, tei->blk, false,  in __update_extent_tree_range()
793 		if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))  in __update_extent_tree_range()
794 			__insert_extent_tree(sbi, et, &ei,  in __update_extent_tree_range()
819 	__set_extent_info(&ei, fofs, len, 0, false,  in __update_extent_tree_range()
821 	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))  in __update_extent_tree_range()
822 		__insert_extent_tree(sbi, et, &ei,  in __update_extent_tree_range()
840 	struct extent_info ei;  in f2fs_update_read_extent_tree_range_compressed()  local
862 	__set_extent_info(&ei, fofs, llen, blkaddr, true, 0, 0, EX_READ);  in f2fs_update_read_extent_tree_range_compressed()
863 	ei.c_len = c_len;  in f2fs_update_read_extent_tree_range_compressed()
865 	if (!__try_merge_extent_node(sbi, et, &ei, prev_en, next_en))  in f2fs_update_read_extent_tree_range_compressed()
866 		__insert_extent_tree(sbi, et, &ei,  in f2fs_update_read_extent_tree_range_compressed()
893 static int __get_new_block_age(struct inode *inode, struct extent_info *ei,  in __get_new_block_age()  argument
900 	struct extent_info tei = *ei;	/* only fofs and len are valid */  in __get_new_block_age()
907 	if ((f_size >> PAGE_SHIFT) == ei->fofs && f_size & (PAGE_SIZE - 1) &&  in __get_new_block_age()
911 	if (__lookup_extent_tree(inode, ei->fofs, &tei, EX_BLOCK_AGE)) {  in __get_new_block_age()
921 			ei->age = __calculate_block_age(sbi, cur_age, tei.age);  in __get_new_block_age()
923 			ei->age = cur_age;  in __get_new_block_age()
924 		ei->last_blocks = cur_blocks;  in __get_new_block_age()
925 		WARN_ON(ei->age > cur_blocks);  in __get_new_block_age()
945 	ei->age = 0;  in __get_new_block_age()
946 	ei->last_blocks = cur_blocks;  in __get_new_block_age()
952 	struct extent_info ei = {};  in __update_extent_cache()  local
957 	ei.fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +  in __update_extent_cache()
959 	ei.len = 1;  in __update_extent_cache()
963 			ei.blk = NULL_ADDR;  in __update_extent_cache()
965 			ei.blk = dn->data_blkaddr;  in __update_extent_cache()
967 		if (__get_new_block_age(dn->inode, &ei, dn->data_blkaddr))  in __update_extent_cache()
970 	__update_extent_tree_range(dn->inode, &ei, type);  in __update_extent_cache()
1050 				struct extent_info *ei)  in f2fs_lookup_read_extent_cache()  argument
1055 	return __lookup_extent_tree(inode, pgofs, ei, EX_READ);  in f2fs_lookup_read_extent_cache()
1066 	struct extent_info ei = {  in f2fs_update_read_extent_cache_range()  local
1075 	__update_extent_tree_range(dn->inode, &ei, EX_READ);  in f2fs_update_read_extent_cache_range()
1088 				struct extent_info *ei)  in f2fs_lookup_age_extent_cache()  argument
1093 	return __lookup_extent_tree(inode, pgofs, ei, EX_BLOCK_AGE);  in f2fs_lookup_age_extent_cache()
1104 	struct extent_info ei = {  in f2fs_update_age_extent_cache_range()  local
1112 	__update_extent_tree_range(dn->inode, &ei, EX_BLOCK_AGE);  in f2fs_update_age_extent_cache_range()