_scratch_mkfs_sized $((1024 * 1024 * 1024)) >> $seqres.full
_scratch_mount >> $seqres.full
+# Disable realtime inherit flag (if any) on root directory so that space on data
+# device gets fragmented rather than realtime device.
+$XFS_IO_PROG -c 'chattr -t' $SCRATCH_MNT
+
echo "Consume free space"
fillerdir=$SCRATCH_MNT/fillerdir
nr_free_blks=$(stat -f -c '%f' $SCRATCH_MNT)