[libvirt] [tck PATCH] Set cache=none for KVM guests
QEMU will refuse to live migrate with the default caching mode, so we
must explicitly set cache=none for the migration tests to pass.
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
lib/Sys/Virt/TCK/DomainBuilder.pm | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lib/Sys/Virt/TCK/DomainBuilder.pm b/lib/Sys/Virt/TCK/DomainBuilder.pm
index 7a25d42..399534c 100644
--- a/lib/Sys/Virt/TCK/DomainBuilder.pm
+++ b/lib/Sys/Virt/TCK/DomainBuilder.pm
@@ -396,11 +396,16 @@ sub as_xml {
type => $disk->{type},
$disk->{device} ? (device => $disk->{device}) : ());
+ my @driver = ();
+ if ($self->{type} eq "qemu" ||
+ $self->{type} eq "kvm") {
+ push @driver, "cache", "none";
+ }
if ($disk->{format}) {
- $w->emptyTag("driver",
- name => $disk->{format}->{name},
- type => $disk->{format}->{type});
+ push @driver, "name", $disk->{format}->{name},
+ "type", $disk->{format}->{type};
}
+ $w->emptyTag("driver", @driver);
if ($disk->{type} eq "block") {
$w->emptyTag("source",
--
2.20.1