echo "blksz $blksz rextsize $rextsize rextblks $rextblks" >> $seqres.full
# Make sure the root directory has rtinherit set so our test file will too
-$XFS_IO_PROG -c 'chattr +t' $SCRATCH_MNT
+_xfs_force_bdev realtime $SCRATCH_MNT
sz=$((rextsize * 100))
range="$((blksz * 3)) $blksz"