1debugfs: ex /a 2Level Entries Logical Physical Length Flags 3 0/ 7 1/ 1 0 - 0 12 1 4 1/ 7 1/ 1 0 - 0 13 1 5 2/ 7 1/ 1 0 - 0 14 1 6 3/ 7 1/ 1 0 - 0 15 1 7 4/ 7 1/ 1 0 - 0 16 1 8 5/ 7 1/ 1 0 - 0 17 1 9 6/ 7 1/ 1 0 - 0 9 1 10 7/ 7 1/ 1 0 - 0 10 - 10 1 11Pass 1: Checking inodes, blocks, and sizes 12Inode 12 extent tree could be more shallow (7; could be <= 4) 13Fix? yes 14 15Pass 1E: Optimizing extent trees 16Pass 2: Checking directory structure 17Pass 3: Checking directory connectivity 18Pass 4: Checking reference counts 19Pass 5: Checking group summary information 20 21test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 22test_filesys: 12/128 files (0.0% non-contiguous), 19/512 blocks 23Exit status is 1 24