2 Creating filesystem with 786432 1k blocks and 98304 inodes
3 Superblock backups stored on blocks:
4 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409, 663553
6 Allocating group tables:
\b\b\b\b\bdone
7 Writing inode tables:
\b\b\b\b\bdone
8 Creating journal (16384 blocks): done
9 Creating 6334 huge file(s) with 117 blocks each: done
10 Writing superblocks and filesystem accounting information:
\b\b\b\b\bdone
12 Pass 1: Checking inodes, blocks, and sizes
13 Pass 2: Checking directory structure
14 Pass 3: Checking directory connectivity
15 Pass 4: Checking reference counts
16 Pass 5: Checking group summary information
19 tune2fs -I 256 -O metadata_csum test.img
20 Setting inode size 256
22 Please run e2fsck -D on the filesystem.
25 Backing up journal inode block information.
27 Pass 1: Checking inodes, blocks, and sizes
28 Pass 2: Checking directory structure
29 Pass 3: Checking directory connectivity
30 Pass 3A: Optimizing directories
31 Pass 4: Checking reference counts
32 Pass 5: Checking group summary information
36 Change in FS metadata:
38 -Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
39 +Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
41 -Inode blocks per group: 128
42 +Inode blocks per group: 256
47 +Checksum type: crc32c
48 Pass 1: Checking inodes, blocks, and sizes
49 Pass 2: Checking directory structure
50 Pass 3: Checking directory connectivity
51 Pass 4: Checking reference counts
52 Pass 5: Checking group summary information