1Pass 1: Checking inodes, blocks, and sizes 2Inode 12 is in extent format, but superblock is missing EXTENTS feature 3Fix? yes 4 5Inode 12 has an invalid extent 6 (logical block 0, invalid physical block 21994527527949, len 17) 7Clear? yes 8 9Inode 12 extent tree (at level 1) could be shorter. Fix? yes 10 11Inode 12, i_blocks is 34, should be 0. Fix? yes 12 13Inode 13 missing EXTENT_FL, but is in extents format 14Fix? yes 15 16Inode 16 has a duplicate extent mapping 17 (logical block 3, invalid physical block 4613, len 2) 18Clear? yes 19 20Inode 16, i_blocks is 16, should be 12. Fix? yes 21 22Inode 17 has an invalid extent 23 (logical block 0, invalid physical block 22011707397135, len 15) 24Clear? yes 25 26Inode 17 extent tree (at level 1) could be shorter. Fix? yes 27 28Inode 17, i_blocks is 32, should be 0. Fix? yes 29 30Inode 18 has corrupt extent header. Clear inode? yes 31 32Inode 18, i_blocks is 2, should be 0. Fix? yes 33 34Special (device/socket/fifo) file (inode 19) has extents 35or inline-data flag set. Clear? yes 36 37Pass 1E: Optimizing extent trees 38Pass 2: Checking directory structure 39Entry 'fbad-flag' in / (2) has deleted/unused inode 18. Clear? yes 40 41Pass 3: Checking directory connectivity 42Pass 4: Checking reference counts 43Pass 5: Checking group summary information 44Block bitmap differences: -1081 +4611 -(4613--4614) -(5121--5142) 45Fix? yes 46 47Free blocks count wrong for group #0 (7081, counted=7100). 48Fix? yes 49 50Free blocks count wrong (7081, counted=7100). 51Fix? yes 52 53Inode bitmap differences: -18 54Fix? yes 55 56Free inodes count wrong for group #0 (237, counted=238). 57Fix? yes 58 59Free inodes count wrong (237, counted=238). 60Fix? yes 61 62 63test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 64test_filesys: 18/256 files (5.6% non-contiguous), 1092/8192 blocks 65Exit status is 1 66