[libvirt] [PATCH] qemu: Properly rename persistent def after migration

[Jiri Denemark]

On Tue, May 05, 2015 at 08:30:30 +0200, Martin Kletzander wrote:
> On Mon, May 04, 2015 at 11:02:18PM +0200, Jiri Denemark wrote:
> >When migrating a domain while changing its name and using
> >VIR_MIGRATE_PERSIST_DEST flag, libvirt would fail to properly change the
> >name in the persistent definition. The inconsistency results in weird
> >behavior when dumping domain XML, destroying the domain, restarting
> >libvirtd and likely in several other situations.
> >
> >Since the new name is already stored in vm->def->name, we just need to
> >make sure the persistent definition uses this new name too.
> >
> >https://bugzilla.redhat.com/show_bug.cgi?id=1076354
> >
> >Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> >---
> > src/qemu/qemu_migration.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> >diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> >index 20c2193..c1af704 100644
> >--- a/src/qemu/qemu_migration.c
> >+++ b/src/qemu/qemu_migration.c
> >@@ -1392,6 +1392,14 @@ qemuMigrationEatCookie(virQEMUDriverPtr driver,
> >                                        flags) < 0)
> >         goto error;
> >
> >+    if (flags & QEMU_MIGRATION_COOKIE_PERSISTENT &&
> 
> Shouldn't you rather use mig->flags here?

Yeah, perhaps, after fixing the code to properly update mig->flags when
persistent definition is parsed from the cookie :-)

Jirka