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[Qemu-devel] [PATCH 3/5] qmp: create qmp_delvm command
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH 3/5] qmp: create qmp_delvm command |
Date: |
Fri, 4 Dec 2015 17:44:33 +0300 |
The patch also moves hmp_delvm implementation into hmp.c. This function
is just a simple wrapper now and does not have knowledge about
migration internals.
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Juan Quintela <address@hidden>
CC: Amit Shah <address@hidden>
CC: Markus Armbruster <address@hidden>
CC: Eric Blake <address@hidden>
---
hmp.c | 11 +++++++++++
migration/savevm.c | 16 +++++++---------
qapi-schema.json | 13 +++++++++++++
qmp-commands.hx | 23 +++++++++++++++++++++++
4 files changed, 54 insertions(+), 9 deletions(-)
diff --git a/hmp.c b/hmp.c
index c9c7100..a342c8c 100644
--- a/hmp.c
+++ b/hmp.c
@@ -2390,3 +2390,14 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
error_report_err(local_err);
}
}
+
+void hmp_delvm(Monitor *mon, const QDict *qdict)
+{
+ Error *local_err = NULL;
+
+ qmp_delvm(qdict_get_str(qdict, "name"), &local_err);
+
+ if (local_err != NULL) {
+ error_report_err(local_err);
+ }
+}
diff --git a/migration/savevm.c b/migration/savevm.c
index 65e0081..f87a061 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2099,17 +2099,15 @@ int load_vmstate(const char *name)
return 0;
}
-void hmp_delvm(Monitor *mon, const QDict *qdict)
+void qmp_delvm(const char *name, Error **errp)
{
BlockDriverState *bs;
- Error *err;
- const char *name = qdict_get_str(qdict, "name");
-
- if (bdrv_all_delete_snapshot(name, &bs, &err) < 0) {
- monitor_printf(mon,
- "Error while deleting snapshot on device '%s': %s\n",
- bdrv_get_device_name(bs), error_get_pretty(err));
- error_free(err);
+ Error *local_err = NULL;
+
+ if (bdrv_all_delete_snapshot(name, &bs, &local_err) < 0) {
+ error_setg(errp, "Error while deleting snapshot on device '%s': %s",
+ bdrv_get_device_name(bs), error_get_pretty(local_err));
+ error_free(local_err);
}
}
diff --git a/qapi-schema.json b/qapi-schema.json
index 0114132..18c9a6c 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3984,3 +3984,16 @@
# Since 2.6
##
{ 'command': 'savevm', 'data': {'name': 'str'} }
+
+##
+# @delvm
+#
+# Delete a VM snapshot
+#
+# @name: identifier of a snapshot to be deleted
+#
+# Returns: Nothing on success
+#
+# Since 2.6
+##
+{ 'command': 'delvm', 'data': {'name': 'str'} }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index f216c5e..a630e8a 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -4764,3 +4764,26 @@ EQMP
.args_type = "name:s?",
.mhandler.cmd_new = qmp_marshal_savevm,
},
+
+SQMP
+delvm
+------------------
+
+Delete a VM snapshot
+
+Arguments:
+
+- "name": snapshot name
+
+Example:
+
+-> { "execute": "delvm", "arguments": { "name": "snapshot1" } }
+<- { "return": {} }
+
+EQMP
+
+ {
+ .name = "delvm",
+ .args_type = "name:s",
+ .mhandler.cmd_new = qmp_marshal_delvm,
+ },
--
2.5.0
- [Qemu-devel] [PATCH v2 for 2.6 0/5] QMP wrappers for VM snapshot operations, Denis V. Lunev, 2015/12/04
- [Qemu-devel] [PATCH 2/5] qmp: create qmp_savevm command, Denis V. Lunev, 2015/12/04
- [Qemu-devel] [PATCH 1/5] migration: split hmp_savevm to do_savevm and hmp_savevm wrapper, Denis V. Lunev, 2015/12/04
- [Qemu-devel] [PATCH 3/5] qmp: create qmp_delvm command,
Denis V. Lunev <=
- [Qemu-devel] [PATCH 4/5] migration: improve error reporting for load_vmstate, Denis V. Lunev, 2015/12/04
- [Qemu-devel] [PATCH 5/5] qmp: create QMP implementation of loadvm command, Denis V. Lunev, 2015/12/04
- Re: [Qemu-devel] [PATCH v2 for 2.6 0/5] QMP wrappers for VM snapshot operations, Denis V. Lunev, 2015/12/11