183 lines
4.6 KiB
Bash
Executable File
183 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Test qcow2 lazy refcounts
|
|
#
|
|
# Copyright (C) 2012 Red Hat, Inc.
|
|
# Copyright IBM, Corp. 2010
|
|
#
|
|
# Based on test 038.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
# creator
|
|
owner=stefanha@linux.vnet.ibm.com
|
|
|
|
seq=`basename $0`
|
|
echo "QA output created by $seq"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
|
|
_supported_fmt qcow2
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
_default_cache_mode "writethrough"
|
|
_supported_cache_modes "writethrough"
|
|
|
|
size=128M
|
|
|
|
echo
|
|
echo "== Checking that image is clean on shutdown =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "write -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
|
|
|
|
# The dirty bit must not be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
_check_test_img
|
|
|
|
echo
|
|
echo "== Creating a dirty image file =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "write -P 0x5a 0 512" \
|
|
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \
|
|
| _filter_qemu_io
|
|
|
|
# The dirty bit must be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
_check_test_img
|
|
|
|
echo
|
|
echo "== Read-only access must still work =="
|
|
|
|
$QEMU_IO -r -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
|
|
|
|
# The dirty bit must be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
|
|
echo
|
|
echo "== Repairing the image file must succeed =="
|
|
|
|
_check_test_img -r all
|
|
|
|
# The dirty bit must not be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
|
|
echo
|
|
echo "== Data should still be accessible after repair =="
|
|
|
|
$QEMU_IO -c "read -P 0x5a 0 512" "$TEST_IMG" | _filter_qemu_io
|
|
|
|
echo
|
|
echo "== Opening a dirty image read/write should repair it =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "write -P 0x5a 0 512" \
|
|
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \
|
|
| _filter_qemu_io
|
|
|
|
# The dirty bit must be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
|
|
$QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io
|
|
|
|
# The dirty bit must not be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
|
|
echo
|
|
echo "== Creating an image file with lazy_refcounts=off =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=off"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "write -P 0x5a 0 512" \
|
|
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \
|
|
| _filter_qemu_io
|
|
|
|
# The dirty bit must not be set since lazy_refcounts=off
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
_check_test_img
|
|
|
|
echo
|
|
echo "== Committing to a backing file with lazy_refcounts=on =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on"
|
|
TEST_IMG="$TEST_IMG".base _make_test_img $size
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on,backing_file=$TEST_IMG.base"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io
|
|
$QEMU_IMG commit "$TEST_IMG"
|
|
|
|
# The dirty bit must not be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
$PYTHON qcow2.py "$TEST_IMG".base dump-header | grep incompatible_features
|
|
|
|
_check_test_img
|
|
TEST_IMG="$TEST_IMG".base _check_test_img
|
|
|
|
echo
|
|
echo "== Changing lazy_refcounts setting at runtime =="
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=off"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "reopen -o lazy-refcounts=on" \
|
|
-c "write -P 0x5a 0 512" \
|
|
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \
|
|
| _filter_qemu_io
|
|
|
|
# The dirty bit must be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
_check_test_img
|
|
|
|
IMGOPTS="compat=1.1,lazy_refcounts=on"
|
|
_make_test_img $size
|
|
|
|
$QEMU_IO -c "reopen -o lazy-refcounts=off" \
|
|
-c "write -P 0x5a 0 512" \
|
|
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 \
|
|
| _filter_qemu_io
|
|
|
|
# The dirty bit must not be set
|
|
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
|
|
_check_test_img
|
|
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|
|
|