| tune2fs metadata_csum test |
| Creating filesystem with 524288 1k blocks and 65536 inodes |
| Superblock backups stored on blocks: |
| 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409 |
| |
| Allocating group tables: done |
| Writing inode tables: done |
| Creating journal (16384 blocks): done |
| Creating 477 huge file(s) with 1024 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 -O metadata_csum test.img |
| |
| This operation requires a freshly checked filesystem. |
| |
| Please run e2fsck -fD on the filesystem. |
| |
| Exit status is 0 |
| test_filesys was not cleanly unmounted, check forced. |
| 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: |
| @@ -2,7 +2,7 @@ |
| Last mounted on: <not available> |
| Filesystem magic number: 0xEF53 |
| Filesystem revision #: 1 (dynamic) |
| -Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize |
| +Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum |
| Default mount options: user_xattr acl |
| Filesystem state: clean |
| Errors behavior: Continue |
| @@ -10,7 +10,7 @@ |
| Inode count: 65536 |
| Block count: 524288 |
| Reserved block count: 26214 |
| -Free blocks: 571 |
| +Free blocks: 568 |
| Free inodes: 65048 |
| First block: 1 |
| Block size: 1024 |
| @@ -33,6 +33,7 @@ |
| Journal inode: 8 |
| Default directory hash: half_md4 |
| Journal backup: inode blocks |
| +Checksum type: crc32c |
| Journal features: (none) |
| Journal size: 16M |
| Journal length: 16384 |
| @@ -40,24 +41,24 @@ |
| Journal start: 0 |
| |
| |
| -Group 0: (Blocks 1-8192) |
| +Group 0: (Blocks 1-8192) [ITABLE_ZEROED] |
| Primary superblock at 1, Group descriptors at 2-5 |
| Reserved GDT blocks at 6-261 |
| Block bitmap at 262 (+261) |
| Inode bitmap at 278 (+277) |
| Inode table at 294-549 (+293) |
| - 21 free blocks, 536 free inodes, 2 directories |
| - Free blocks: 4413-4433 |
| + 18 free blocks, 536 free inodes, 2 directories, 536 unused inodes |
| + Free blocks: 4413, 4417-4433 |
| Free inodes: 489-1024 |
| -Group 1: (Blocks 8193-16384) |
| +Group 1: (Blocks 8193-16384) [INODE_UNINIT, ITABLE_ZEROED] |
| Backup superblock at 8193, Group descriptors at 8194-8197 |
| Reserved GDT blocks at 8198-8453 |
| Block bitmap at 263 (bg #0 + 262) |
| Inode bitmap at 279 (bg #0 + 278) |
| Inode table at 550-805 (bg #0 + 549) |
| - 0 free blocks, 1024 free inodes, 0 directories |
| + 0 free blocks, 1024 free inodes, 0 directories, 1024 unused inodes |
| Free blocks: |
| Free inodes: 1025-2048 |
| -Group 2: (Blocks 16385-24576) |
| +Group 2: (Blocks 16385-24576) [INODE_UNINIT, ITABLE_ZEROED] |
| Block bitmap at 264 (bg #0 + 263) |
| Inode bitmap at 280 (bg #0 + 279) |
| 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 |
