1tune2fs test 2128-byte inodes cannot handle dates beyond 2038 and are deprecated 3Creating filesystem with 786432 1k blocks and 98304 inodes 4Superblock backups stored on blocks: 5 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409, 663553 6 7Allocating group tables: done 8Writing inode tables: done 9Creating journal (16384 blocks): done 10Creating 6334 huge file(s) with 117 blocks each: done 11Writing superblocks and filesystem accounting information: done 12 13Pass 1: Checking inodes, blocks, and sizes 14Pass 2: Checking directory structure 15Pass 3: Checking directory connectivity 16Pass 4: Checking reference counts 17Pass 5: Checking group summary information 18 19Exit status is 0 20tune2fs -I 256 -O metadata_csum test.img 21Setting inode size 256 22 23This operation requires a freshly checked filesystem. 24 25Please run e2fsck -fD on the filesystem. 26 27Exit status is 0 28Backing up journal inode block information. 29 30Pass 1: Checking inodes, blocks, and sizes 31Pass 2: Checking directory structure 32Pass 3: Checking directory connectivity 33Pass 3A: Optimizing directories 34Pass 4: Checking reference counts 35Pass 5: Checking group summary information 36 37 38 39Change in FS metadata: 40@@ -5 +5 @@ 41-Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize 42+Filesystem features: has_journal ext_attr dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum 43@@ -22 +22 @@ 44-Inode blocks per group: 128 45+Inode blocks per group: 256 46@@ -28 +28 @@ 47-Inode size: 128 48+Inode size: 256 49@@ -31,0 +32 @@ 50+Checksum type: crc32c 51Pass 1: Checking inodes, blocks, and sizes 52Pass 2: Checking directory structure 53Pass 3: Checking directory connectivity 54Pass 4: Checking reference counts 55Pass 5: Checking group summary information 56 57Exit status is 0 58