State deletion can be performed on running VM which reduces VM downtime
This approach looks a bit more natural.
Signed-off-by: Denis V. Lunev <d...@openvz.org>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Reviewed-by: Fam Zheng <f...@redhat.com>
Reviewed-by: Juan Quintela <quint...@redhat.com>
Tested-by: Greg Kurz <gk...@linux.vnet.ibm.com>
---
migration/savevm.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/migration/savevm.c b/migration/savevm.c
index 80107e3..98f9a8c 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1935,6 +1935,15 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
return;
}
+ /* Delete old snapshots of the same name */
+ if (name && bdrv_all_delete_snapshot(name, &bs1, &local_err) < 0) {
+ monitor_printf(mon,
+ "Error while deleting snapshot on device '%s': %s\n",
+ bdrv_get_device_name(bs1), error_get_pretty(local_err));
+ error_free(local_err);
+ return;
+ }
+
bs = find_vmstate_bs();
if (!bs) {
monitor_printf(mon, "No block device can accept snapshots\n");
@@ -1972,15 +1981,6 @@ void hmp_savevm(Monitor *mon, const QDict *qdict)
strftime(sn->name, sizeof(sn->name), "vm-%Y%m%d%H%M%S", &tm);
}
- /* Delete old snapshots of the same name */
- if (name && bdrv_all_delete_snapshot(name, &bs1, &local_err) < 0) {
- monitor_printf(mon,
- "Error while deleting snapshot on device '%s': %s\n",
- bdrv_get_device_name(bs1), error_get_pretty(local_err));
- error_free(local_err);
- goto the_end;
- }
-
/* save the VM state */
f = qemu_fopen_bdrv(bs, 1);
if (!f) {
--
2.5.0
