| tune2fs test |
| Creating filesystem with 786432 1k blocks and 98304 inodes |
| Superblock backups stored on blocks: |
| 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409, 663553 |
| |
| Allocating group tables: done |
| Writing inode tables: done |
| Creating journal (16384 blocks): done |
| Creating 6334 huge file(s) with 117 blocks each: done |
| Writing superblocks and filesystem accounting information: done |
| |
| 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 |
| |
| Exit status is 0 |
| tune2fs -I 256 -O metadata_csum test.img |
| Setting inode size 256 |
| |
| This operation requires a freshly checked filesystem. |
| |
| Please run e2fsck -fD on the filesystem. |
| |
| Exit status is 0 |
| Backing up journal inode block information. |
| |
| Pass 1: Checking inodes, blocks, and sizes |
| Pass 2: Checking directory structure |
| Pass 3: Checking directory connectivity |
| Pass 3A: Optimizing directories |
| Pass 4: Checking reference counts |
| Pass 5: Checking group summary information |
| |
| |
| |
| Change in FS metadata: |
| @@ -5 +5 @@ |
| -Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize |
| +Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum |
| @@ -21 +21 @@ |
| -Inode blocks per group: 128 |
| +Inode blocks per group: 256 |
| @@ -27 +27 @@ |
| -Inode size: 128 |
| +Inode size: 256 |
| @@ -30,0 +31 @@ |
| +Checksum type: crc32c |
| 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 |
| |
| Exit status is 0 |
