qemu-e2k/tests/qemu-iotests/249
Max Reitz 57284d2ada iotests: Enable fuse for many tests
Many tests (that do not support generic protocols) can run just fine
with FUSE-exported images, so allow them to.  Note that this is no
attempt at being definitely complete.  There are some tests that might
be modified to run on FUSE, but this patch still skips them.  This patch
only tries to pick the rather low-hanging fruits.

Note that 221 and 250 only pass when .lseek is correctly implemented,
which is only possible with a libfuse that is 3.8 or newer.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201027190600.192171-20-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-12-11 17:52:40 +01:00

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#!/usr/bin/env bash
#
# Test that a backing image is put back in read-only mode after
# block-commit (both when it fails and when it succeeds).
#
# Copyright (C) 2019 Igalia, S.L.
#
# 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=berto@igalia.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
_rm_test_img "$TEST_IMG.base"
_rm_test_img "$TEST_IMG.int"
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
# Any format implementing BlockDriver.bdrv_change_backing_file
_supported_fmt qcow2 qed
_supported_proto file fuse
_supported_os Linux
IMG_SIZE=1M
# Create the images: base <- int <- active
TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
_make_test_img -b "$TEST_IMG.int" -F $IMGFMT
# Launch QEMU with these two drives:
# none0: base (read-only)
# none1: base <- int <- active
_launch_qemu -drive if=none,file="${TEST_IMG}.base",node-name=base,read-only=on \
-drive if=none,file="${TEST_IMG}",backing.node-name=int,backing.backing=base
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'qmp_capabilities' }" \
'return'
echo
echo '=== Send a write command to a drive opened in read-only mode (1)'
echo
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \
'return'
echo
echo '=== Run block-commit on base using an invalid filter node name'
echo
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'block-commit',
'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int',
'filter-node-name': '1234'}}" \
'error'
echo
echo '=== Send a write command to a drive opened in read-only mode (2)'
echo
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \
'return'
echo
echo '=== Run block-commit on base using the default filter node name'
echo
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'block-commit',
'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int'}}" \
'return'
# Wait for block-commit to finish
_send_qemu_cmd $QEMU_HANDLE '' \
'"status": "null"'
echo
echo '=== Send a write command to a drive opened in read-only mode (3)'
echo
_send_qemu_cmd $QEMU_HANDLE \
"{ 'execute': 'human-monitor-command',
'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \
'return'
_cleanup_qemu
# success, all done
echo "*** done"
rm -f $seq.full
status=0