blksz=65536
_pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file1 >> $seqres.full
_pwrite_byte 0x61 $((blksz * 2)) $((blksz * 6)) $testdir/file2 >> $seqres.full
-_test_remount
+_test_cycle_mount
md5sum $testdir/file1 | _filter_test_dir
md5sum $testdir/file2 | _filter_test_dir
free_before=$(stat -f -c '%a' $testdir)
_reflink_range $testdir/file1 $((blksz * 4)) $testdir/file2 \
$((blksz * 4)) $((blksz * 2)) >> $seqres.full
-_test_remount
+_test_cycle_mount
free_after=$(stat -f -c '%a' $testdir)
echo "freesp changed by $free_before -> $free_after" >> $seqres.full