Pass 1: Checking inodes, blocks, and sizes Inode 12 is in extent format, but superblock is missing EXTENTS feature Fix? yes Inode 12 has an invalid extent (logical block 0, invalid physical block 21994527527949, len 17) Clear? yes Inode 12 extent tree (at level 1) could be shorter. Fix? yes Inode 12, i_blocks is 34, should be 0. Fix? yes Inode 13 missing EXTENT_FL, but is in extents format Fix? yes Inode 16 has a duplicate extent mapping (logical block 3, invalid physical block 4613, len 2) Clear? yes Inode 16, i_blocks is 16, should be 12. Fix? yes Inode 17 has an invalid extent (logical block 0, invalid physical block 22011707397135, len 15) Clear? yes Inode 17 extent tree (at level 1) could be shorter. Fix? yes Inode 17, i_blocks is 32, should be 0. Fix? yes Inode 18 has corrupt extent header. Clear inode? yes Inode 18, i_blocks is 2, should be 0. Fix? yes Special (device/socket/fifo) file (inode 19) has extents or inline-data flag set. Clear? yes Pass 1E: Optimizing extent trees Pass 2: Checking directory structure Entry 'fbad-flag' in / (2) has deleted/unused inode 18. Clear? yes Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Block bitmap differences: -1081 +4611 -(4613--4614) -(5121--5142) Fix? yes Free blocks count wrong for group #0 (7081, counted=7100). Fix? yes Free blocks count wrong (7081, counted=7100). Fix? yes Inode bitmap differences: -18 Fix? yes Free inodes count wrong for group #0 (237, counted=238). Fix? yes Free inodes count wrong (237, counted=238). Fix? yes test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** test_filesys: 18/256 files (5.6% non-contiguous), 1092/8192 blocks Exit status is 1