On 27.08.2015 12:23, Nikolay Shirokovskiy wrote:
> From: Nikolay Shirokovskiy <Nikolay Shirokovskiy nshirokovskiy@xxxxxxxxxxxxx>
>
> Direct migration should work if *perform3 is present but *perform
> is not. This is situation when driver migration is implemented
> after new version of driver function is introduced. We should not
> be forced to support old version too as its parameter space is
> subspace of newer one.
>
> Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@xxxxxxxxxxxxx>
> ---
> src/libvirt-domain.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
> index 6ab50ba..c89775b 100644
> --- a/src/libvirt-domain.c
> +++ b/src/libvirt-domain.c
> @@ -3427,7 +3427,8 @@ virDomainMigrateDirect(virDomainPtr domain,
> NULLSTR(xmlin), flags, NULLSTR(dname), NULLSTR(dconnuri),
> NULLSTR(miguri), bandwidth);
>
> - if (!domain->conn->driver->domainMigratePerform) {
> + if (!domain->conn->driver->domainMigratePerform &&
> + !domain->conn->driver->domainMigratePerform3) {
> virReportUnsupportedError();
> return -1;
> }
>
Hm.. domainMigratePerform3 will be used iff connection driver has
VIR_DRV_FEATURE_MIGRATION_V3 feature. But this check will require that
regardless. What if we check the presence of implementation with respect
to that?
Moreover, can you please send patches rebased to current HEAD?
Michal
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