tune2fs dangerous prompts test
Creating filesystem with 524288 1k blocks and 65536 inodes
Superblock backups stored on blocks: 
	8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409

Allocating group tables:      done                            
Writing inode tables:      done                            
Creating journal (16384 blocks): done
Creating 445 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information:      done

tune2fs -O metadata_csum test.img

Please run e2fsck -f on the filesystem.

Exit status is 1
tune2fs -O metadata_csum test.img
Exit status is 0
Creating filesystem with 524288 1k blocks and 65536 inodes
Superblock backups stored on blocks: 
	8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409

Allocating group tables:      done                            
Writing inode tables:      done                            
Creating journal (16384 blocks): done
Creating 445 huge file(s) with 1024 blocks each: done
Writing superblocks and filesystem accounting information:      done

Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

Exit status is 0
tune2fs -O metadata_csum test.img
Enabling checksums could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) 
Exit status is 1
tune2fs -I 512 test.img
Resizing inodes could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) 
Exit status is 1
tune2fs -U random test.img
Setting UUID on a checksummed filesystem could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) 
Exit status is 1

Change in FS metadata:
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

Exit status is 0
tune2fs -O metadata_csum test.img
Enabling checksums could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) 
Please run e2fsck -fD on the filesystem.

Exit status is 0
test_filesys was not cleanly unmounted, check forced.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 3A: Optimizing directories
Pass 4: Checking reference counts
Pass 5: Checking group summary information


tune2fs -I 512 test.img
Resizing inodes could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) Setting inode size 512
Exit status is 0
tune2fs -U f0f0f0f0-f0f0-f0f0-f0f0-f0f0f0f0f0f0 test.img
Setting UUID on a checksummed filesystem could take some time.
Proceed anyway (or wait 5 seconds) ? (y,n) Exit status is 0
Backing up journal inode block information.


Change in FS metadata:
@@ -1,3 +1,3 @@
-Filesystem UUID:          6fc3daa4-180d-4f2b-a6f2-f7a5efb79bcf
-Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent 64bit sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
-Inode size:	          256
+Filesystem UUID:          f0f0f0f0-f0f0-f0f0-f0f0-f0f0f0f0f0f0
+Filesystem features:      has_journal ext_attr resize_inode dir_index filetype extent 64bit sparse_super large_file huge_file dir_nlink extra_isize metadata_csum
+Inode size:	          512
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

Exit status is 0