1 tune2fs ^metadata_csum test 2 Creating filesystem with 524288 1k blocks and 65536 inodes 3 Superblock backups stored on blocks: 4 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409 5 6 Allocating group tables: done 7 Writing inode tables: done 8 Creating journal (16384 blocks): done 9 Creating 477 huge file(s) with 1024 blocks each: done 10 Writing superblocks and filesystem accounting information: done 11 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 17 18 Exit status is 0 19 tune2fs -O ^metadata_csum test.img 20 Exit status is 0 21 Change in FS metadata: 22 @@ -2,7 +2,7 @@ 23 Last mounted on: <not available> 24 Filesystem magic number: 0xEF53 25 Filesystem revision #: 1 (dynamic) 26 -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 27 +Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent 64bit flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize 28 Default mount options: user_xattr acl 29 Filesystem state: clean 30 Errors behavior: Continue 31 @@ -33,7 +33,6 @@ 32 Journal inode: 8 33 Default directory hash: half_md4 34 Journal backup: inode blocks 35 -Checksum type: crc32c 36 Journal features: (none) 37 Journal size: 16M 38 Journal length: 16384 39 Pass 1: Checking inodes, blocks, and sizes 40 Pass 2: Checking directory structure 41 Pass 3: Checking directory connectivity 42 Pass 4: Checking reference counts 43 Pass 5: Checking group summary information 44 45 Exit status is 0 46
