[PATCH v3 3/6] qemu: Block migration when transient disk option is enabled

[Peter Krempa]

On Thu, Sep 17, 2020 at 09:30:42 -0400, Masayoshi Mizuma wrote:
> From: Masayoshi Mizuma <m.mizuma at jp.fujitsu.com>
> 
> Block migration when transient disk option is enabled because migration
> requires some blockjobs.
> 
> Signed-off-by: Masayoshi Mizuma <m.mizuma at jp.fujitsu.com>
> ---
>  src/qemu/qemu_migration.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> index a530c17582..7316d74677 100644
> --- a/src/qemu/qemu_migration.c
> +++ b/src/qemu/qemu_migration.c
> @@ -1397,6 +1397,16 @@ qemuMigrationSrcIsAllowed(virQEMUDriverPtr driver,
>                             _("cannot migrate this domain without dbus-vmstate support"));
>              return false;
>          }
> +
> +        for (i = 0; i < vm->def->ndisks; i++) {
> +            virDomainDiskDefPtr disk = vm->def->disks[i];
> +
> +            if (disk->transient) {
> +                virReportError(VIR_ERR_OPERATION_INVALID, "%s",
> +                           _("migration with transient disk is not supported"));

transient disk '%s' is not supported

and use disk->dst as '%s'

> +                return false;
> +            }
> +        }

Reviewed-by: Peter Krempa <pkrempa at redhat.com>