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 This operation requires a freshly checked filesystem.
24 Please run e2fsck -fD on the filesystem.
27 Backing up journal inode block information.
29 Pass 1: Checking inodes, blocks, and sizes
30 Pass 2: Checking directory structure
31 Pass 3: Checking directory connectivity
32 Pass 3A: Optimizing directories
33 Pass 4: Checking reference counts
34 Pass 5: Checking group summary information
38 Change in FS metadata:
40 -Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
41 +Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
43 -Inode blocks per group: 128
44 +Inode blocks per group: 256
49 +Checksum type: crc32c
50 Pass 1: Checking inodes, blocks, and sizes
51 Pass 2: Checking directory structure
52 Pass 3: Checking directory connectivity
53 Pass 4: Checking reference counts
54 Pass 5: Checking group summary information