linux-ext4 - [Bug 200443] Operating non-crafted Ext4 image with inline_inodes option enabled causes "checksum invalid" error

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Message-ID: <bug-200443-13602-aEHtWZwtyg@https.bugzilla.kernel.org/>
Date:   Tue, 10 Jul 2018 21:33:57 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...nel.org
Subject: [Bug 200443] Operating non-crafted Ext4 image with inline_inodes
 option enabled causes "checksum invalid" error

https://bugzilla.kernel.org/show_bug.cgi?id=200443

--- Comment #5 from Theodore Tso (tytso@....edu) ---
Hmm, I can't reproduce it:

root@...-xfstests:/# mke2fs -t ext4 -O inline_data -I 1024 ext4.img 8M
mke2fs 1.44.3 (10-July-2018)
Creating regular file ext4.img
Creating filesystem with 8192 1k blocks and 2048 inodes

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (1024 blocks): done
Writing superblocks and filesystem accounting information: done

root@...-xfstests:/# mount ext4.img /mnt
[  312.864146] EXT4-fs (loop0): mounted filesystem with ordered data mode.
Opts: (null)
root@...-xfstests:/# (cd /mnt ; /vdb/ext4-bug)
root@...-xfstests:/# mount -o remount /mnt
[  320.985477] EXT4-fs (loop0): re-mounted. Opts: (null)
root@...-xfstests:/# umount /mnt
root@...-xfstests:/# e2fsck -nf ext4.img 
e2fsck 1.44.3 (10-July-2018)
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
ext4.img: 12/2048 files (8.3% non-contiguous), 3153/8192 blocks
root@...-xfstests:/# uname -a
Linux kvm-xfstests 4.18.0-rc4-xfstests-00003-g362eca70b533 #422 SMP Tue Jul 10
01:08:22 EDT 2018 x86_64 GNU/Linux

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