| mke2fs -q -t ext4 -F -o Linux -b 1024 test.img 1G | |
| tune2fs -f -O ^uninit_bg test.img | |
| fsck -yf -N test_filesys test.img | |
| 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: 11/65536 files (0.0% non-contiguous), 35910/1048576 blocks | |
| mke2fs -q -t ext4 -O bigalloc -F -o Linux -b 1024 -C 8192 test.img 10G | |
| tune2fs -f -O ^uninit_bg test.img | |
| fsck -yf -N test_filesys test.img | |
| 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: 11/655360 files (0.0% non-contiguous), 232632/10485760 blocks |