Re: [PATCH 2/2] qemu: snapshot: Improve detection of mixed snapshots

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On 05/29/14 16:38, Eric Blake wrote:
> On 05/29/2014 03:08 AM, Peter Krempa wrote:
>> Currently we don't support mixed (external + internal) snapshots. The
>> code detecting the snapshot type didn't make sure that the memory image
>> was consistent with the snapshot type leading into strange error
>> message:
>>
>>  $ virsh snapshot-create-as --domain VM --diskspec vda,snapshot=internal --memspec snapshot=external,file=/tmp/blah
>>  error: internal error: unexpected code path
>>
>> Fix the mixed detection code to detect this kind of mistake:
>>
>>  $ virsh snapshot-create-as --domain VM --diskspec vda,snapshot=internal --memspec snapshot=external,file=/tmp/blah
>>  error: unsupported configuration: mixing internal and external targets for a snapshot is not yet supported
> 
> It may still be nice to support some day down the road, but a better
> error message in the meantime is worth having.
> 
>> ---
>>  src/qemu/qemu_driver.c | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> ACK; safe for 1.2.5.
> 

Pushed; Thanks.

Peter

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