[libvirt] [PATCH 0/4] Expose FSFreeze/FSThaw within the guest as commands

[Tomoki Sekiyama]

On 3/4/14 12:13 , "Daniel P. Berrange" <berrange at redhat.com> wrote:

>On Tue, Mar 04, 2014 at 10:11:39AM -0700, Eric Blake wrote:
>> On 03/04/2014 08:39 AM, Tomoki Sekiyama wrote:
>> 
>> >>>
>> >>> This patchset adds virDomainFSFreeze()/virDomainFSThaw() APIs and
>>virsh
>> >>> domfsfreeze/domfsthaw commands to enable the users to freeze and
>>thaw
>> >>> domain's filesystems cleanly.
>> 
>> > Thanks. Based on previous discussion on last November, now I'm getting
>> > ready to
>> > Post "virDomainQuiesce" version, which does fsfreeze and fsthaw in a
>> > single API,
>> 
>> No - the discussion back in November was questioning whether a callback
>> would work, and the decision was that it was too complicated.  Go with
>> two API (freeze and thaw) and merely make sure that we lock out any
>> other command that won't work while a freeze is in effect.
>
>Yep, I don't believe a single API will work, and we should have
>separate calls. We just need to track the sanity internally to
>the QEMU driver.

OK, I will add sanity checking in the FSFreeze and FSThaw API.

Thanks,
-- 
Tomoki Sekiyama