1mke2fs -F -O resize_inode -o Linux -b 1024 -g 1024 test.img 16384 2Filesystem label= 3OS type: Linux 4Block size=1024 (log=0) 5Fragment size=1024 (log=0) 6Stride=0 blocks, Stripe width=0 blocks 74096 inodes, 16384 blocks 8819 blocks (5.00%) reserved for the super user 9First data block=1 10Maximum filesystem blocks=8421376 1116 block groups 121024 blocks per group, 1024 fragments per group 13256 inodes per group 14Superblock backups stored on blocks: 15 1025, 3073, 5121, 7169, 9217 16 17Writing inode tables: 0/16 1/16 2/16 3/16 4/16 5/16 6/16 7/16 8/16 9/1610/1611/1612/1613/1614/1615/16done 18Writing superblocks and filesystem accounting information: done 19 20Pass 1: Checking inodes, blocks, and sizes 21Pass 2: Checking directory structure 22Pass 3: Checking directory connectivity 23Pass 4: Checking reference counts 24Pass 5: Checking group summary information 25test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 26Exit status is 0 27----------------------------------------------- 28 29debugfs -R ''set_inode_field <7> block[2] 42'' -w ./test.img 30Exit status is 0 31Resize inode not valid. Recreate? yes 32 33Pass 1: Checking inodes, blocks, and sizes 34Pass 2: Checking directory structure 35Pass 3: Checking directory connectivity 36Pass 4: Checking reference counts 37Pass 5: Checking group summary information 38Free blocks count wrong for group #0 (717, counted=718). 39Fix? yes 40 41Free blocks count wrong (14276, counted=14277). 42Fix? yes 43 44 45test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 46test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 47Exit status is 1 48Pass 1: Checking inodes, blocks, and sizes 49Pass 2: Checking directory structure 50Pass 3: Checking directory connectivity 51Pass 4: Checking reference counts 52Pass 5: Checking group summary information 53test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 54Exit status is 0 55----------------------------------------------- 56 57debugfs -R ''clri <7>'' -w ./test.img 58Exit status is 0 59Resize inode not valid. Recreate? yes 60 61Pass 1: Checking inodes, blocks, and sizes 62Pass 2: Checking directory structure 63Pass 3: Checking directory connectivity 64Pass 4: Checking reference counts 65Pass 5: Checking group summary information 66Free blocks count wrong for group #0 (717, counted=718). 67Fix? yes 68 69Free blocks count wrong (14276, counted=14277). 70Fix? yes 71 72 73test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 74test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 75Exit status is 1 76Pass 1: Checking inodes, blocks, and sizes 77Pass 2: Checking directory structure 78Pass 3: Checking directory connectivity 79Pass 4: Checking reference counts 80Pass 5: Checking group summary information 81test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 82Exit status is 0 83----------------------------------------------- 84 85debugfs -R ''set_inode_field <7> bmap[524] 57'' -w ./test.img 86Exit status is 0 87Resize inode not valid. Recreate? yes 88 89Pass 1: Checking inodes, blocks, and sizes 90Pass 2: Checking directory structure 91Pass 3: Checking directory connectivity 92Pass 4: Checking reference counts 93Pass 5: Checking group summary information 94Free blocks count wrong for group #0 (717, counted=718). 95Fix? yes 96 97Free blocks count wrong (14276, counted=14277). 98Fix? yes 99 100 101test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 102test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 103Exit status is 1 104Pass 1: Checking inodes, blocks, and sizes 105Pass 2: Checking directory structure 106Pass 3: Checking directory connectivity 107Pass 4: Checking reference counts 108Pass 5: Checking group summary information 109test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 110Exit status is 0 111----------------------------------------------- 112 113debugfs -R ''set_super_value reserved_gdt_blocks 15679'' -w ./test.img 114Exit status is 0 115../e2fsck/e2fsck: Group descriptors look bad... trying backup blocks... 116Pass 1: Checking inodes, blocks, and sizes 117Pass 2: Checking directory structure 118Pass 3: Checking directory connectivity 119Pass 4: Checking reference counts 120Pass 5: Checking group summary information 121 122test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 123test_filesys: 11/4096 files (0.0% non-contiguous), 2107/16384 blocks 124Exit status is 1 125----------------------------------------------- 126 127debugfs -R ''set_super_value reserved_gdt_blocks 32'' -w ./test.img 128Exit status is 0 129Pass 1: Checking inodes, blocks, and sizes 130Pass 2: Checking directory structure 131Pass 3: Checking directory connectivity 132Pass 4: Checking reference counts 133Pass 5: Checking group summary information 134Block bitmap differences: -(35--258) -(1059--1282) -(3107--3330) -(5155--5378) -(7203--7426) -(9251--9474) 135Fix? yes 136 137Free blocks count wrong for group #0 (718, counted=942). 138Fix? yes 139 140Free blocks count wrong for group #1 (732, counted=956). 141Fix? yes 142 143Free blocks count wrong for group #3 (732, counted=956). 144Fix? yes 145 146Free blocks count wrong for group #5 (732, counted=956). 147Fix? yes 148 149Free blocks count wrong for group #7 (732, counted=956). 150Fix? yes 151 152Free blocks count wrong for group #9 (732, counted=956). 153Fix? yes 154 155Free blocks count wrong (14277, counted=15621). 156Fix? yes 157 158 159test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 160test_filesys: 11/4096 files (0.0% non-contiguous), 763/16384 blocks 161Exit status is 1 162Pass 1: Checking inodes, blocks, and sizes 163Pass 2: Checking directory structure 164Pass 3: Checking directory connectivity 165Pass 4: Checking reference counts 166Pass 5: Checking group summary information 167test_filesys: 11/4096 files (0.0% non-contiguous), 763/16384 blocks 168Exit status is 0 169