1tune2fs test 2Creating filesystem with 786432 1k blocks and 98304 inodes 3Superblock backups stored on blocks: 4 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409, 663553 5 6Allocating group tables: done 7Writing inode tables: done 8Creating journal (16384 blocks): done 9Creating 6368 huge file(s) with 117 blocks each: done 10Writing superblocks and filesystem accounting information: done 11 12Pass 1: Checking inodes, blocks, and sizes 13Pass 2: Checking directory structure 14Pass 3: Checking directory connectivity 15Pass 4: Checking reference counts 16Pass 5: Checking group summary information 17 18Exit status is 0 19tune2fs -I 256 test.img 20Setting inode size 256 21Exit status is 0 22Change in FS metadata: 23@@ -13 +13 @@ 24-Free blocks: 12301 25+Free blocks: 12 26@@ -22 +22 @@ 27-Inode blocks per group: 128 28+Inode blocks per group: 256 29@@ -28 +28 @@ 30-Inode size: 128 31+Inode size: 256 32Pass 1: Checking inodes, blocks, and sizes 33Pass 2: Checking directory structure 34Pass 3: Checking directory connectivity 35Pass 4: Checking reference counts 36Pass 5: Checking group summary information 37 38Exit status is 0 39