1 64-bit filesystem support is not enabled. The larger fields afforded by this feature enable full-strength checksumming. Pass -O 64bit to rectify. 2 Creating filesystem with 65536 4k blocks and 16384 inodes 3 Superblock backups stored on blocks: 4 32768 5 6 Allocating group tables: done 7 Writing inode tables: done 8 Creating journal (4096 blocks): done 9 Writing superblocks and filesystem accounting information: done 10 11 Pass 1: Checking inodes, blocks, and sizes 12 Pass 2: Checking directory structure 13 Pass 3: Checking directory connectivity 14 Pass 4: Checking reference counts 15 Pass 5: Checking group summary information 16 test_filesys: 11/16384 files (0.0% non-contiguous), 5164/65536 blocks 17 Exit status is 0 18 debugfs write journal 19 disable metadata_csum on a dirty-journal fs 20 Recovering journal. 21 fsck the whole mess 22 Pass 1: Checking inodes, blocks, and sizes 23 Pass 2: Checking directory structure 24 Pass 3: Checking directory connectivity 25 Pass 4: Checking reference counts 26 Pass 5: Checking group summary information 27 Block bitmap differences: +(0--1050) +(32768--36880) 28 Fix? yes 29 30 Inode bitmap differences: +(1--11) 31 Fix? yes 32 33 34 test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** 35 test_filesys: 11/16384 files (0.0% non-contiguous), 5164/65536 blocks 36 Exit status is 1 37