139 lines
3.8 KiB
Plaintext
139 lines
3.8 KiB
Plaintext
test_description="e2undo with the offset option (-o offset)"
|
|
OUT="$test_name.log"
|
|
TMPFILE2="${TMPFILE}_2"
|
|
TDB_FILE="$TMPFILE.e2undo"
|
|
|
|
E2UNDO_FEATURE_COMPAT_OFFSET=1
|
|
|
|
trap "rm -f $TMPFILE2 $TDB_FILE" EXIT INT QUIT
|
|
|
|
read_header_entry() {
|
|
# $2 is just used as a dummy - it is never used by e2undo
|
|
# when dumping the header
|
|
$E2UNDO -h "$1" "$2" | grep "^$3:"
|
|
}
|
|
|
|
read_header_offset() {
|
|
read_header_entry "$TDB_FILE" "$TMPFILE" "fs offset" | cut -f2
|
|
}
|
|
|
|
read_header_compat() {
|
|
read_header_entry "$TDB_FILE" "$TMPFILE" "compat" | cut -f3
|
|
}
|
|
|
|
e2undo_offset_assert() {
|
|
if [ "$crc_exp" != "$crc_act" -o \
|
|
"$offset_exp" != "$offset_act" -o \
|
|
$(($compat_act & $E2UNDO_FEATURE_COMPAT_OFFSET)) -ne $compat_exp ]
|
|
then
|
|
echo "$1" >> "$test_name.failed"
|
|
echo "crc_exp: $crc_exp" >> "$test_name.failed"
|
|
echo "crc_act: $crc_act" >> "$test_name.failed"
|
|
echo "offset_exp: $offset_exp" >> "$test_name.failed"
|
|
echo "offset_act: $offset_act" >> "$test_name.failed"
|
|
echo "compat_exp: $compat_exp" >> "$test_name.failed"
|
|
echo "compat_act: $compat_act" >> "$test_name.failed"
|
|
fi
|
|
}
|
|
|
|
init_fs() {
|
|
echo "#" >> "$OUT"
|
|
echo "# init fs for $1" >> "$OUT"
|
|
echo "#" >> "$OUT"
|
|
rm -f "$TDB_FILE"
|
|
dd if=/dev/zero of="$TMPFILE" bs=1k count=1024 > /dev/null 2>&1
|
|
$MKE2FS -F -z "$TDB_FILE" -b 1024 -E offset=524288 "$TMPFILE" 512 \
|
|
>> "$OUT" 2>&1
|
|
}
|
|
|
|
#
|
|
# test absence of the "-o N" option
|
|
#
|
|
test_e2undo_offset_no_option() {
|
|
init_fs "test_e2undo_offset_no_option"
|
|
|
|
$E2UNDO "$TDB_FILE" "$TMPFILE" >> "$OUT" 2>&1
|
|
|
|
crc_exp=`dd if=/dev/zero bs=1k count=1024 2>/dev/null | $CRCSUM`
|
|
crc_act=`$CRCSUM "$TMPFILE"`
|
|
offset_exp=524288
|
|
offset_act=`read_header_offset`
|
|
compat_exp=$E2UNDO_FEATURE_COMPAT_OFFSET
|
|
compat_act=`read_header_compat`
|
|
e2undo_offset_assert "test_e2undo_offset_no_option"
|
|
}
|
|
|
|
#
|
|
# test removal of the offset feature in the undo header
|
|
#
|
|
test_e2undo_offset_no_option_remove_offset_header() {
|
|
init_fs "test_e2undo_offset_no_option_remove_offset_header"
|
|
dd if="$TMPFILE" of="$TMPFILE2" bs=1k count=512 skip=512 \
|
|
> /dev/null 2>&1
|
|
# offset feature will be removed from the undo header
|
|
$TUNE2FS -z "$TDB_FILE" -C 42 "$TMPFILE2" >> "$OUT" 2>&1
|
|
|
|
$E2UNDO "$TDB_FILE" "$TMPFILE2" >> "$OUT" 2>&1
|
|
|
|
crc_exp=`dd if=/dev/zero bs=1k count=512 2>/dev/null | $CRCSUM`
|
|
crc_act=`$CRCSUM "$TMPFILE2"`
|
|
offset_exp=
|
|
offset_act=`read_header_offset`
|
|
compat_exp=0
|
|
compat_act=`read_header_compat`
|
|
e2undo_offset_assert "test_e2undo_offset_no_option_remove_offset_header"
|
|
}
|
|
|
|
#
|
|
# test "-o 4096"
|
|
#
|
|
test_e2undo_offset_4096() {
|
|
init_fs "test_e2undo_offset_4096"
|
|
dd if=/dev/zero of="$TMPFILE2" bs=1k count=4 > /dev/null 2>&1
|
|
dd if="$TMPFILE" of="$TMPFILE2" bs=1k count=512 skip=512 seek=4 \
|
|
> /dev/null 2>&1
|
|
|
|
$E2UNDO -o 4096 "$TDB_FILE" "$TMPFILE2" >> "$OUT" 2>&1
|
|
|
|
crc_exp=`dd if=/dev/zero bs=1k count=516 2>/dev/null | $CRCSUM`
|
|
crc_act=`$CRCSUM "$TMPFILE2"`
|
|
# the same as in test_e2undo_offset_no_option
|
|
offset_exp=524288
|
|
offset_act=`read_header_offset`
|
|
compat_exp=$E2UNDO_FEATURE_COMPAT_OFFSET
|
|
compat_act=`read_header_compat`
|
|
e2undo_offset_assert "test_e2undo_offset_4096"
|
|
}
|
|
|
|
#
|
|
# test "-o 0"
|
|
#
|
|
test_e2undo_offset_0() {
|
|
init_fs "test_e2undo_offset_0"
|
|
dd if="$TMPFILE" of="$TMPFILE2" bs=1k count=512 skip=512 \
|
|
> /dev/null 2>&1
|
|
|
|
$E2UNDO -o 0 "$TDB_FILE" "$TMPFILE2" >> "$OUT" 2>&1
|
|
|
|
crc_exp=`dd if=/dev/zero bs=1k count=512 2>/dev/null | $CRCSUM`
|
|
crc_act=`$CRCSUM "$TMPFILE2"`
|
|
# the same as in test_e2undo_offset_no_option
|
|
offset_exp=524288
|
|
offset_act=`read_header_offset`
|
|
compat_exp=$E2UNDO_FEATURE_COMPAT_OFFSET
|
|
compat_act=`read_header_compat`
|
|
e2undo_offset_assert "test_e2undo_offset_0"
|
|
}
|
|
|
|
test_e2undo_offset_no_option
|
|
test_e2undo_offset_no_option_remove_offset_header
|
|
test_e2undo_offset_4096
|
|
test_e2undo_offset_0
|
|
|
|
if [ -e "$test_name.failed" ]; then
|
|
echo "$test_name: $test_description: failed"
|
|
else
|
|
echo "$test_name: $test_description: ok"
|
|
touch "$test_name.ok"
|
|
fi
|