Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Unattached inode 13 Connect to /lost+found? yes Inode 13 ref count is 2, should be 1. Fix? yes Pass 5: Checking group summary information Inode bitmap differences: -12 Fix? yes Free inodes count wrong for group #0 (115, counted=116). Fix? yes Free inodes count wrong (115, counted=116). Fix? yes test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** test_filesys: 12/128 files (0.0% non-contiguous), 63/1024 blocks Exit status is 1