1 mke2fs -q -t ext4 -F -o Linux -b 1024 test.img 1G 2 tune2fs -f -O ^uninit_bg test.img 3 4 fsck -yf -N test_filesys test.img 5 Pass 1: Checking inodes, blocks, and sizes 6 Pass 2: Checking directory structure 7 Pass 3: Checking directory connectivity 8 Pass 4: Checking reference counts 9 Pass 5: Checking group summary information 10 test_filesys: 11/65536 files (0.0% non-contiguous), 35910/1048576 blocks 11 12 mke2fs -q -t ext4 -O bigalloc -F -o Linux -b 1024 -C 8192 test.img 10G 13 tune2fs -f -O ^uninit_bg test.img 14 15 fsck -yf -N test_filesys test.img 16 Pass 1: Checking inodes, blocks, and sizes 17 Pass 2: Checking directory structure 18 Pass 3: Checking directory connectivity 19 Pass 4: Checking reference counts 20 Pass 5: Checking group summary information 21 test_filesys: 11/655360 files (0.0% non-contiguous), 232632/10485760 blocks 22
