[libvirt] [PATCH] storage: allow metadata preallocation when creating qcow2 images

[Ján Tomko]

On 11/08/12 23:10, Eric Blake wrote:
> On 11/08/2012 09:28 AM, Daniel P. Berrange wrote:
>>
>> I've thought about doing it this way before, but I always felt it was
>> a bit of a gross hack. It would be nice to keep the 'allocation' element
>> as purely describing the data sector allocation. I was recently wondering
>> if we should just add a flag to the virStorageVolCreate like
>>
>>   VIR_STORAGE_VOL_PREALLOC_METADATA
> 
> I agree that adding a new flag is cleaner; thankfully,
> virStorageVolCreateXML has a flags argument ready to use.

I found an older thread [1] dealing with this and it seems it doesn't
belong in the XML as a separate element either. I'll post another
version with the flag.

[1] https://www.redhat.com/archives/libvir-list/2012-May/msg00847.html