[PATCH v3 resend 3/4] ntdll: Allow NtQueryVolumeInformationFile to query volume information from the mountmgr.

Zebediah Figura z.figura12 at gmail.com
Wed Oct 28 13:45:07 CDT 2020


On 10/28/20 1:32 PM, Erich E. Hoover wrote:
> On Wed, Oct 28, 2020 at 10:33 AM Zebediah Figura <z.figura12 at gmail.com> wrote:
>>
>> On 9/8/20 3:02 PM, Erich E. Hoover wrote:
>>> From 10add5d0acd423e2fb3d762579493dc50f6e6c96 Mon Sep 17 00:00:00 2001
>>> From: "Erich E. Hoover" <erich.e.hoover at gmail.com>
>>> Date: Fri, 12 Jun 2020 14:53:43 -0600
>>> Subject: ntdll: Allow NtQueryVolumeInformationFile to query volume information
>>>  from the mountmgr.
>>
>> Though really this patch is more general than that, i.e. it's actually
>> allowing for asynchronous volume information queries from server objects.
> 
> I'll update the description.
> 
>> For that matter, I don't know what was requested before, but this patch
>> split seems a bit awkward. Maybe a better split would be:
> 
> The status was just updated to "needs splitting", so I broke the first
> patch up into the three you see now.
> 
>> 0001: allow volume information queries to be asynchronous (including
>> both the changes to server/fd.c and ntdll/unix/file.c, although maybe
>> even those should be split...)
>> 0002: implement volume information queries for device files
>> 0003: hook up volume information queries for mountmgr
> 
> Okay, what I think that you're saying is:
> 0001: server/fd.c changes
> 0002: ntdll/unix/file.c changes
> 0003: ntoskrnl.exe/ntoskrnl.c changes
> 0004: mountmgr.sys/device.c changes
> Please let me know if that sounds right to you, I'd be happy to do that.

Right, something like that, the diff to server/device.c also being part
of patch 3.

> 
>> As a further note, some simple tests (in dlls/ntoskrnl.exe/tests) could
>> help this series.
> 
> I'll put that together.
> 
> Best,
> Erich
> 


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