Exit status is 0
tune2fs -O metadata_csum test.img
-Please run e2fsck -D on the filesystem.
+This operation requires a freshly checked filesystem.
+
+Please run e2fsck -fD on the filesystem.
Exit status is 0
test_filesys was not cleanly unmounted, check forced.
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
-@@ -10,7 +10,7 @@
- Inode count: 65536
+@@ -11,7 +11,7 @@
Block count: 524288
Reserved block count: 26214
+ Overhead clusters: 35246
-Free blocks: 571
+Free blocks: 568
Free inodes: 65048
First block: 1
Block size: 1024
-@@ -33,6 +33,7 @@
+@@ -34,6 +34,7 @@
Journal inode: 8
Default directory hash: half_md4
Journal backup: inode blocks
Journal features: (none)
Journal size: 16M
Journal length: 16384
-@@ -46,8 +47,8 @@
+@@ -47,8 +48,8 @@
Block bitmap at 262 (+261)
Inode bitmap at 278 (+277)
Inode table at 294-549 (+293)