Re: [Qemu-devel] [PATCH V2 00/10] snapshot: take block snapshots in unified way

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

于 2013-1-10 6:34, Eric Blake 写道:
> On 01/07/2013 12:27 AM, Wenchao Xia wrote:
>>    These patch added a seperated layer to take internal or external snapshots
>> in a unified way, the granularity is block device, so other functions can
>> just combine the request and submit, such as group snapshot, savevm.
>>
>> Total goal are:
>>    Live back up vm in external or internal image, which need three functions:
>> 1 live snapshot block device internal/external.
>> 2 live save vmstate internal/external.
>> 3 combination of the function unit.
>>
>>    This serial provide part one.
>>
>
> The design on this series needs to be coordinated with Pavel's
> attempts[1] to convert the existing HMP snapshot commands into QMP.  I
> don't want to spend too much time reviewing two different divergent
> designs that both have the same goal of finally managing snapshots under
> QMP.
>
> [1] https://lists.gnu.org/archive/html/qemu-devel/2013-01/msg01326.html
>
   A bit difference: This serial are taking internal/external block
snapshots but Pavel's are focusing are vm whole internal snapshots. It
is OK to use Pavel's interface with a mark about "internal and sync".
I'd like to add new interface after vmstate live save is implemented.

-- 
Best Regards

Wenchao Xia