1 test_description="e2undo a failed command" 2 if test -x $RESIZE2FS_EXE -a -x $E2UNDO_EXE; then 3 4 TDB_FILE=${TMPDIR:-/tmp}/resize2fs-$(basename $TMPFILE).e2undo 5 OUT=$test_name.log 6 rm -f $TDB_FILE >/dev/null 2>&1 7 8 echo check that we cant append a bad undo file > $OUT 9 10 dd if=/dev/zero of=$TMPFILE bs=1k count=512 > /dev/null 2>&1 11 crc0=`$CRCSUM $TMPFILE` 12 echo $CRCSUM before mke2fs $crc0 >> $OUT 13 14 CONF=$TMPFILE.conf 15 cat > $CONF << ENDL 16 [fs_types] 17 ext4h = { 18 features = ^has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize,sparse_super,filetype,dir_index,ext_attr,resize_inode 19 blocksize = 4096 20 inode_size = 256 21 make_hugefiles = true 22 hugefiles_dir = / 23 hugefiles_slack = 0 24 hugefiles_name = aaaaa 25 hugefiles_digits = 4 26 hugefiles_size = 1K 27 zero_hugefiles = false 28 } 29 ENDL 30 31 echo mke2fs -q -F -o Linux -T ext4h -O ^metadata_csum,^64bit -E lazy_itable_init=1 -b 1024 -z $TDB_FILE.0 $TMPFILE 524288 >> $OUT 32 MKE2FS_CONFIG=$CONF $MKE2FS -q -F -o Linux -T ext4h -O ^metadata_csum,^64bit -E lazy_itable_init=1 -b 1024 -z $TDB_FILE.0 -d /etc/ $TMPFILE >> $OUT 2>&1 33 crc1=`$CRCSUM $TMPFILE` 34 echo $CRCSUM after mke2fs $crc1 >> $OUT 35 36 echo roll back mke2fs >> $OUT 37 $E2UNDO $TDB_FILE.0 $TMPFILE >> $OUT 2>&1 38 crc2=`$CRCSUM $TMPFILE` 39 echo $CRCSUM after e2undo mke2fs $crc2 >> $OUT 40 41 if [ $crc0 != $crc1 ] && [ $crc1 != $crc2 ] && [ $crc0 = $crc2 ]; then 42 echo "$test_name: $test_description: ok" 43 touch $test_name.ok 44 else 45 ln -f $test_name.log $test_name.failed 46 echo "$test_name: $test_description: failed" 47 fi 48 rm -f $TDB_FILE.0 $TMPFILE $CONF 49 fi 50