1 tune2fs test 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 5 6 Allocating group tables: done 7 Writing inode tables: done 8 Creating journal (16384 blocks): done 9 Creating 6334 huge file(s) with 117 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 -I 256 -O metadata_csum test.img 20 Setting inode size 256 21 22 This operation requires a freshly checked filesystem. 23 24 Please run e2fsck -fD on the filesystem. 25 26 Exit status is 0 27 Backing up journal inode block information. 28 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 35 36 37 38 Change in FS metadata: 39 @@ -5 +5 @@ 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 42 @@ -21 +21 @@ 43 -Inode blocks per group: 128 44 +Inode blocks per group: 256 45 @@ -27 +27 @@ 46 -Inode size: 128 47 +Inode size: 256 48 @@ -30,0 +31 @@ 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 55 56 Exit status is 0 57
