From c068c1c3a918d2a112646254cf19ac4c1b133f81 Mon Sep 17 00:00:00 2001
From: Wolfgang Link <w.link@proxmox.com>
Date: Mon, 12 Jun 2017 10:38:22 +0200
Subject: [PATCH] Add a migration lock to avoid a replication on rollback-time.

---
 PVE/API2/Qemu.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 54db5ab..b5b183f 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -3394,7 +3394,12 @@ __PACKAGE__->register_method({
 	    PVE::QemuConfig->snapshot_rollback($vmid, $snapname);
 	};
 
-	return $rpcenv->fork_worker('qmrollback', $vmid, $authuser, $realcmd);
+	my $worker = sub {
+	    # hold migration lock, this makes sure that nobody create replication snapshots
+	    return PVE::GuestHelpers::guest_migration_lock($vmid, 10, $realcmd);
+	};
+
+	return $rpcenv->fork_worker('qmrollback', $vmid, $authuser, $worker);
     }});
 
 __PACKAGE__->register_method({
-- 
2.39.2