This additional check for change-backing-file makes sure that actions on
one part of the graph don't interfere with later actions elsewhere.
Suggested-by: Eric Blake <ebl...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
tests/qemu-iotests/195 | 17 ++++++++++++++++
tests/qemu-iotests/195.out | 51 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+)
diff --git a/tests/qemu-iotests/195 b/tests/qemu-iotests/195
index 05a239cbf5..eb2861380d 100755
--- a/tests/qemu-iotests/195
+++ b/tests/qemu-iotests/195
@@ -86,6 +86,23 @@ EOF
_img_info
+echo
+echo "Change backing file of multiple nodes in a single run"
+echo
+
+_make_test_img -b "$TEST_IMG.mid"
+
+run_qemu -drive if=none,file="$TEST_IMG",node-name=top,backing.node-name=mid
<<EOF
+{"execute":"qmp_capabilities"}
+{"execute":"change-backing-file",
"arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}}
+{"execute":"change-backing-file",
"arguments":{"device":"none0","image-node-name":"top","backing-file":"/dev/null"}}
+{"execute":"change-backing-file",
"arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}}
+{"execute":"quit"}
+EOF
+
+TEST_IMG="$TEST_IMG.mid" _img_info
+_img_info
+
# success, all done
echo "*** done"
rm -f $seq.full
diff --git a/tests/qemu-iotests/195.out b/tests/qemu-iotests/195.out
index 7613575c64..d210c04895 100644
--- a/tests/qemu-iotests/195.out
+++ b/tests/qemu-iotests/195.out
@@ -75,4 +75,55 @@ virtual size: 64M (67108864 bytes)
cluster_size: 65536
backing file: /dev/null
backing file format: IMGFMT
+
+Change backing file of multiple nodes in a single run
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
backing_file=TEST_DIR/t.IMGFMT.mid
+Testing: -drive
if=none,file=TEST_DIR/t.IMGFMT,node-name=top,backing.node-name=mid
+{
+ QMP_VERSION
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "return": {
+ }
+}
+{
+ "timestamp": {
+ "seconds": TIMESTAMP,
+ "microseconds": TIMESTAMP
+ },
+ "event": "SHUTDOWN",
+ "data": {
+ "guest": false
+ }
+}
+
+image: TEST_DIR/t.IMGFMT.mid
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+backing file: /dev/null
+backing file format: IMGFMT
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+cluster_size: 65536
+backing file: /dev/null
+backing file format: IMGFMT
*** done
--
2.13.5
