qmp: Allow to take external snapshots on bs graphs node.
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/qmp-commands.hx b/qmp-commands.hx
index a45f26c..4f28250 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -1089,7 +1089,9 @@
- "data": a dictionary. The contents depend on the value
of "type". When "type" is "blockdev-snapshot-sync":
- "device": device name to snapshot (json-string)
+ - "node-name": graph node name to snapshot (json-string)
- "snapshot-file": name of new image file (json-string)
+ - "snapshot-node-name": graph node name of the new snapshot (json-string)
- "format": format of new image (json-string, optional)
- "mode": whether and how QEMU should create the snapshot file
(NewImageMode, optional, default "absolute-paths")
@@ -1104,6 +1106,11 @@
{ 'type': 'blockdev-snapshot-sync', 'data' : { "device": "ide-hd0",
"snapshot-file": "/some/place/my-image",
"format": "qcow2" } },
+ { 'type': 'blockdev-snapshot-sync', 'data' : { "node-name": "myfile",
+ "snapshot-file": "/some/place/my-image2",
+ "snapshot-node-name": "node3432",
+ "mode": "existing",
+ "format": "qcow2" } },
{ 'type': 'blockdev-snapshot-sync', 'data' : { "device": "ide-hd1",
"snapshot-file": "/some/place/my-image2",
"mode": "existing",
@@ -1117,7 +1124,7 @@
{
.name = "blockdev-snapshot-sync",
- .args_type = "device:B,snapshot-file:s,format:s?,mode:s?",
+ .args_type = "device:s?,node-name:s?,snapshot-file:s,snapshot-node-name:s?,format:s?,mode:s?",
.mhandler.cmd_new = qmp_marshal_input_blockdev_snapshot_sync,
},
@@ -1134,7 +1141,9 @@
Arguments:
- "device": device name to snapshot (json-string)
+- "node-name": graph node name to snapshot (json-string)
- "snapshot-file": name of new image file (json-string)
+- "snapshot-node-name": graph node name of the new snapshot (json-string)
- "mode": whether and how QEMU should create the snapshot file
(NewImageMode, optional, default "absolute-paths")
- "format": format of new image (json-string, optional)
