In the release notes for version 6.11.0-rc3     Anyone who is still using reiserfs as the format for their disk drives should be planning how to handle this situation.  Here is a link to the conversion procedure:        This procedure will also work if you want to move to btrfs rather than XFS.   EDIT: October 19, 2022---   There have been several instances where users have attempted to convert from reiserfs to another file system by thinking that they could