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-rwxr-xr-xtests/qemu-iotests/161137
1 files changed, 137 insertions, 0 deletions
diff --git a/tests/qemu-iotests/161 b/tests/qemu-iotests/161
new file mode 100755
index 0000000000..180df17ad6
--- /dev/null
+++ b/tests/qemu-iotests/161
@@ -0,0 +1,137 @@
+#!/bin/bash
+#
+# Test reopening a backing image after block-stream and block-commit
+#
+# Copyright (C) 2018 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 $seq"
+
+here=`pwd`
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+ rm -f "$TEST_IMG.base"
+ rm -f "$TEST_IMG.int"
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.qemu
+
+# Any format implementing BlockDriver.bdrv_change_backing_file
+_supported_fmt qcow2 qed
+_supported_proto file
+_supported_os Linux
+
+IMG_SIZE=1M
+
+# Create the images
+TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE | _filter_imgfmt
+TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" | _filter_imgfmt
+_make_test_img -b "$TEST_IMG.int" | _filter_imgfmt
+
+# First test: reopen $TEST.IMG changing the detect-zeroes option on
+# its backing file ($TEST_IMG.int).
+echo
+echo "*** Change an option on the backing file"
+echo
+_launch_qemu -drive if=none,file="${TEST_IMG}"
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'qmp_capabilities' }" \
+ 'return'
+
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'human-monitor-command',
+ 'arguments': { 'command-line':
+ 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
+ "return"
+
+_cleanup_qemu
+
+# Second test: stream $TEST_IMG.base into $TEST_IMG.int and then
+# reopen $TEST.IMG changing the detect-zeroes option on its new
+# backing file ($TEST_IMG.base).
+echo
+echo "*** Stream and then change an option on the backing file"
+echo
+_launch_qemu -drive if=none,file="${TEST_IMG}"
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'qmp_capabilities' }" \
+ 'return'
+
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'block-stream', \
+ 'arguments': { 'device': 'none0',
+ 'base': '${TEST_IMG}.base' } }" \
+ 'return'
+
+# Wait for block-stream to finish
+sleep 0.5
+
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'human-monitor-command',
+ 'arguments': { 'command-line':
+ 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
+ "return"
+
+_cleanup_qemu
+
+# Third test: commit $TEST_IMG.int into $TEST_IMG.base and then reopen
+# $TEST.IMG changing the detect-zeroes option on its new backing file
+# ($TEST_IMG.base).
+echo
+echo "*** Commit and then change an option on the backing file"
+echo
+# Create the images again
+TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE | _filter_imgfmt
+TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" | _filter_imgfmt
+_make_test_img -b "$TEST_IMG.int" | _filter_imgfmt
+
+_launch_qemu -drive if=none,file="${TEST_IMG}"
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'qmp_capabilities' }" \
+ 'return'
+
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'block-commit', \
+ 'arguments': { 'device': 'none0',
+ 'top': '${TEST_IMG}.int' } }" \
+ 'return'
+
+# Wait for block-commit to finish
+sleep 0.5
+
+_send_qemu_cmd $QEMU_HANDLE \
+ "{ 'execute': 'human-monitor-command',
+ 'arguments': { 'command-line':
+ 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
+ "return"
+
+_cleanup_qemu
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0