1 test_description="e2undo force" 2 if test -x $E2UNDO_EXE; then 3 4 TDB_FILE=${TMPDIR:-/tmp}/tune2fs-$(basename $TMPFILE).e2undo 5 OUT=$test_name.log 6 rm -f $TDB_FILE >/dev/null 2>&1 7 8 dd if=/dev/zero of=$TMPFILE bs=1k count=512 > /dev/null 2>&1 9 10 echo 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 >> $OUT 2>&1 12 crc0=`$CRCSUM $TMPFILE` 13 echo $CRCSUM before tune2fs $crc0 >> $OUT 14 15 echo using tune2fs to test e2undo >> $OUT 16 $TUNE2FS -O metadata_csum -z $TDB_FILE $TMPFILE >> $OUT 2>&1 17 crc1=`$CRCSUM $TMPFILE` 18 echo $CRCSUM after tune2fs $crc1 >> $OUT 19 20 dd if=/dev/zero of=$TDB_FILE bs=4 count=1 seek=127 conv=notrunc 2> /dev/null 21 22 $E2UNDO $TDB_FILE $TMPFILE >> $OUT 2>&1 23 crc2=`$CRCSUM $TMPFILE` 24 echo $CRCSUM after e2undo $crc2 >> $OUT 25 26 $E2UNDO -f $TDB_FILE $TMPFILE >> $OUT 2>&1 27 crc3=`$CRCSUM $TMPFILE` 28 echo $CRCSUM after e2undo -f $crc3 >> $OUT 29 30 MUST_FSCK=$($DUMPE2FS $TMPFILE 2> /dev/null | grep 'Filesystem state:.*not clean' -c ) 31 32 if [ $MUST_FSCK -eq 1 ] && [ $crc0 != $crc3 ] && [ $crc1 = $crc2 ] && [ $crc2 != $crc0 ]; then 33 echo "$test_name: $test_description: ok" 34 touch $test_name.ok 35 else 36 ln -f $test_name.log $test_name.failed 37 echo "$test_name: $test_description: failed" 38 fi 39 rm -f $TDB_FILE $TMPFILE 40 fi 41
