_reflink_range $testdir/file1 $((blksz * f)) $testdir/file3 $((blksz * f)) $blksz >> $seqres.full
_pwrite_byte 0x61 $((blksz * f)) $blksz $testdir/file3.chk >> $seqres.full
done
-_scratch_remount
+_scratch_cycle_mount
echo "Compare files"
md5sum $testdir/file1 | _filter_scratch