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1test_description="e2undo dry run"
2if test -x $E2UNDO_EXE; then
3
4TDB_FILE=${TMPDIR:-/tmp}/tune2fs-$(basename $TMPFILE).e2undo
5OUT=$test_name.log
6rm -f $TDB_FILE >/dev/null 2>&1
7
8dd if=/dev/zero of=$TMPFILE bs=1k count=512 > /dev/null 2>&1
9
10echo mke2fs -q -F -o Linux -T ext4 -O ^metadata_csum,64bit -E lazy_itable_init=1 -b 1024 $TMPFILE  > $OUT
11$MKE2FS -q -F -o Linux -T ext4 -O ^metadata_csum,64bit -E lazy_itable_init=1 -b 1024 $TMPFILE  >> $OUT 2>&1
12crc0=`$CRCSUM $TMPFILE`
13echo $CRCSUM before tune2fs $crc0 >> $OUT
14
15echo using tune2fs to test e2undo >> $OUT
16$TUNE2FS -O metadata_csum -z $TDB_FILE $TMPFILE >> $OUT 2>&1
17crc1=`$CRCSUM $TMPFILE`
18echo $CRCSUM after tune2fs $crc1 >> $OUT
19
20$E2UNDO -n $TDB_FILE $TMPFILE  >> $OUT 2>&1
21crc2=`$CRCSUM $TMPFILE`
22echo $CRCSUM after e2undo $crc2 >> $OUT
23
24if [ $crc1 = $crc2 ] && [ $crc1 != $crc0 ]; then
25	echo "$test_name: $test_description: ok"
26	touch $test_name.ok
27else
28	ln -f $test_name.log $test_name.failed
29	echo "$test_name: $test_description: failed"
30fi
31rm -f $TDB_FILE $TMPFILE
32fi
33