| 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 |