- memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
- INIT_LIST_HEAD(&ei->i_prealloc_list);
- spin_lock_init(&ei->i_prealloc_lock);
+ ei->i_allocated_meta_blocks = 0;
+ ei->i_delalloc_reserved_flag = 0;
+ spin_lock_init(&(ei->i_block_reservation_lock));