Re: [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&gt; --- 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",