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: 13/128 files (7.7% non-contiguous), 574/2048 blocks 7Exit status is 0 8debugfs: ex /a 9Level Entries Logical Physical Length Flags 10 0/ 0 1/ 1 0 - 511 1025 - 1536 512 11debugfs: ex /zero 12Level Entries Logical Physical Length Flags 13 0/ 0 1/ 4 0 - 0 27 - 27 1 14 0/ 0 2/ 4 2 - 2 29 - 29 1 15 0/ 0 3/ 4 4 - 4 31 - 31 1 16 0/ 0 4/ 4 6 - 6 33 - 33 1 17