if ! test -x $DEBUGFS_EXE; then
	echo "$test_name: $test_description: skipped (no debugfs)"
	return 0
fi

FSCK_OPT=-fy
OUT=$test_name.log
if [ -f $test_dir/expect.gz ]; then
	EXP=$test_name.tmp
	gunzip < $test_dir/expect.gz > $EXP1
else
	EXP=$test_dir/expect
fi

JNLFILE=$TMPFILE.jnl

touch $JNLFILE
$MKE2FS -F -o Linux -b 1024 -O journal_dev -T ext4 -U 1db3f677-6832-4adb-bafc-8e4059c30a34 $JNLFILE 262144 > $OUT.new 2>&1
$MKE2FS -F -o Linux -b 1024 -O ^has_journal -T ext4 $TMPFILE 262144 >> $OUT.new 2>&1

echo "debugfs add journal device/UUID" >> $OUT.new
$DEBUGFS -w -f - $TMPFILE <<-EOF >> $OUT.new 2>&1
	feature has_journal
	ssv journal_dev 0x9999
	ssv journal_uuid 1db3f677-6832-4adb-bafc-8e4059c30a34
EOF

$FSCK -fy -N test_filesys -j $JNLFILE $TMPFILE >> $OUT.new 2>&1
status=$?
echo Exit status is $status >> $OUT.new

echo "debugfs write journal" >> $OUT.new
echo "jo -f $JNLFILE" > $TMPFILE.cmd
echo "jw -b 259-4356 /dev/zero" >> $TMPFILE.cmd
echo "jc" >> $TMPFILE.cmd
echo "jo -f $JNLFILE" >> $TMPFILE.cmd
echo "jw -r 259-4356 /dev/zero" >> $TMPFILE.cmd
echo "jc" >> $TMPFILE.cmd
$DEBUGFS -w -f $TMPFILE.cmd $TMPFILE 2>> $OUT.new > /dev/null

test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp "$TMPFILE" "$JOURNAL_DUMP_DIR/$test_name.img"
test -d "$JOURNAL_DUMP_DIR" -a -w "$JOURNAL_DUMP_DIR" && cp "$JNLFILE" "$JOURNAL_DUMP_DIR/$test_name.img.jnl"
echo "logdump -c -f $JNLFILE" > $TMPFILE.cmd
$DEBUGFS -f $TMPFILE.cmd $TMPFILE >> $OUT.new 2>&1

echo "debugfs fsck" >> $OUT.new
$FSCK -fy -N test_filesys -j $JNLFILE $TMPFILE >> $OUT.new 2>&1
status=$?
echo Exit status is $status >> $OUT.new
sed -f $cmd_dir/filter.sed -e 's/logdump -c -f.*/logdump -c/g' $OUT.new > $OUT
rm -f $TMPFILE $TMPFILE.cmd $JNLFILE $OUT.new

cmp -s $OUT $EXP
status=$?

if [ "$status" = 0 ] ; then
	echo "$test_name: $test_description: ok"
	touch $test_name.ok
else
	echo "$test_name: $test_description: failed"
	diff $DIFF_OPTS $EXP $OUT > $test_name.failed
	rm -f $test_name.tmp
fi

unset IMAGE FSCK_OPT OUT EXP JNLFILE