| Pass 1: Checking inodes, blocks, and sizes |
| Pass 2: Checking directory structure |
| Pass 3: Checking directory connectivity |
| Pass 4: Checking reference counts |
| Pass 5: Checking group summary information |
| test_filesys: 13/128 files (7.7% non-contiguous), 574/2048 blocks |
| Exit status is 0 |
| debugfs: ex /a |
| Level Entries Logical Physical Length Flags |
| 0/ 0 1/ 1 0 - 511 1025 - 1536 512 |
| debugfs: ex /zero |
| Level Entries Logical Physical Length Flags |
| 0/ 0 1/ 4 0 - 0 27 - 27 1 |
| 0/ 0 2/ 4 2 - 2 29 - 29 1 |
| 0/ 0 3/ 4 4 - 4 31 - 31 1 |
| 0/ 0 4/ 4 6 - 6 33 - 33 1 |