Btw, some time after xfsprogs 5.6, xfstests generic/590 start to fail with new xfs_check errors in the form of: rtblock 1048576 beyond end of expected area rtblock 1048576 beyond end of expected area rtblock 1048580 beyond end of expected area rtblock 1048580 beyond end of expected area rtblock 1048584 beyond end of expected area rtblock 1048584 beyond end of expected area rtblock 1048588 beyond end of expected area rtblock 1048588 beyond end of expected area rtblock 1048592 beyond end of expected area rtblock 1048592 beyond end of expected area rtblock 1048596 beyond end of expected area rtblock 1048596 beyond end of expected area rtblock 1048600 beyond end of expected area