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Re: [Qemu-devel] [PATCH v4 06/10] qemu-ga: Add Windows VSS provider to q

From: Tomoki Sekiyama
Subject: Re: [Qemu-devel] [PATCH v4 06/10] qemu-ga: Add Windows VSS provider to quiesce applications on fsfreeze
Date: Mon, 1 Jul 2013 18:57:06 +0000

On 6/30/13 9:16 , "Gal Hammer" <address@hidden> wrote:

>On 26/06/2013 01:31, Tomoki Sekiyama wrote:
>>> Also, is it needed to call VSSCheckOSVersion from the requestor?  I
>>> would think that checking VSSAPI.DLL is stronger than checking the
>>> version, and indeed you do that check too.
>> In Windows XP, VSSAPI.DLL exists but it has different functionality
>> and interfaces from newer Windows.
>> It is checking the OS version because this patchset only supports
>> Windows 2003 or later.
>So why don't you query for the interface you supports rather than
>checking the OS version?

Hmm, I don't know what I should query for. Microsoft's document above only
provides a table of compatibility between VSS SDK version and OS version.

Of course I can install the component and test whether it works or not,
but I want to know that before installing something.

>     Gal.

Tomoki Sekiyama

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