1debugfs load/dump test 2mke2fs -Fq -b 1024 ./test.img 512 3Exit status is 0 4debugfs -R ''write test.data test_data'' -w ./test.img 5Allocated inode: 12 6Exit status is 0 7e2fsck -yf -N test_filesys 8Pass 1: Checking inodes, blocks, and sizes 9Pass 2: Checking directory structure 10Pass 3: Checking directory connectivity 11Pass 4: Checking reference counts 12Pass 5: Checking group summary information 13test_filesys: 12/64 files (8.3% non-contiguous), 158/512 blocks 14Exit status is 0 15debugfs -R ''dump test_data test.verify'' ./test.img 16Exit status is 0 17cmp test.data test.verify 18Exit status is 0 19