Bug#1126428: fsarchiver: autopkgtest fails with new mkfs.xfs default feature

Sun, 25 Jan 2026 16:29:31 -0800 

Am 26.01.26 um 00:46 schrieb Michael Biebl:

Am 26.01.26 um 00:11 schrieb Bastian Germann:

Control: tags -1 patch

Please find a patch in the git repo.

Please consider fixing this soon because this is hindering the xfprogs
migration.
From a cursory glance I don't think this is a proper fix, but simply masking it for the test suite. 

What you really want to address is
fs_xfs.c#63,xfs_check_compatibility(): this filesystem has XFS features which are not supported by this fsarchiver version.
Otherwise fsarchiver would be broken for all users with a (new) XFS file system.
I also note, that the mkfs.xfs man page says, that parent should default to off: 


                   parent=value
                          This feature creates back references from child files 
to parent directories so that online repair can reconstruct broken  direc‐
                          tory files.  The value is either 0 to disable the 
feature, or 1 to create parent pointers.

                          By default, mkfs.xfs will not create parent pointers.
My recommendation (until this is sorted out), is to make sure xfsprogs makes sure to disable this feature (and follows its documented default) 


Regards,
Michael

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