1Pass 1: Checking inodes, blocks, and sizes 2Pass 2: Checking directory structure 3Pass 3: Checking directory connectivity 4Pass 4: Checking reference counts 5Pass 5: Checking group summary information 6test_filesys: 14/256 files (14.3% non-contiguous), 1365/2048 blocks 7Exit status is 0 8debugfs: ls 9 2 (12) . 2 (12) .. 11 (20) lost+found 12 (968) a 10debugfs: ls a/ 11 12 (12) . 2 (12) .. 13 (12) data 14 (976) new 12debugfs: ex a/new 13Level Entries Logical Physical Length Flags 14 0/ 0 1/ 1 0 - 0 1107 - 1107 1 15debugfs: ex a/data 16Level Entries Logical Physical Length Flags 17 0/ 1 1/ 1 0 - 255 1618 256 18 1/ 1 1/ 5 0 - 15 1619 - 1634 16 19 1/ 1 2/ 5 16 - 31 1601 - 1616 16 20 1/ 1 3/ 5 32 - 63 1985 - 2016 32 21 1/ 1 4/ 5 64 - 127 1537 - 1600 64 22 1/ 1 5/ 5 128 - 255 1793 - 1920 128 23