[libvirt] [PATCH 5/8] conf: Add disk iothread bus check in device post parse
John Ferlan
jferlan at redhat.com
Thu Apr 28 12:34:38 UTC 2016
On 04/22/2016 03:04 AM, Peter Krempa wrote:
> On Thu, Apr 21, 2016 at 19:24:13 -0400, John Ferlan wrote:
>> Add a check in the device post processing for any disk using iothread to be
>> using the proper bus (which happens to be only virtio for now).
>>
>> This check could have been added in device parse, except that if a domain
>> was running with such a configuration (albeit doing nothing), then it
>> would disappear. Found while working through code to add iothreads for
>> virtio-scsi-{pci,ccw}.
>
> This is still called when parsing and makes the domain disappear.
>
>>
>> Signed-off-by: John Ferlan <jferlan at redhat.com>
>> ---
>> src/conf/domain_conf.c | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
I've dropped this from my local branch
John
>> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
>> index a3c50f1..fd7579a 100644
>> --- a/src/conf/domain_conf.c
>> +++ b/src/conf/domain_conf.c
>> @@ -4187,6 +4187,13 @@ virDomainDeviceDefPostParseInternal(virDomainDeviceDefPtr dev,
>> return -1;
>> }
>>
>> + if (disk->iothread && disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) {
>> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
>> + _("disk '%s' improperly configured, iothread "
>> + "only supported on virtio bus"), disk->dst);
>> + return -1;
>> + }
>> +
>> if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
>> virDomainDiskDefAssignAddress(xmlopt, disk, def) < 0)
>> return -1;
>
> NACK to this placement, you need to put it into qemuProcess..
>
> Peter
>
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