WMI in filter drivers

NTFSD
1

NTFSD Folk:

I’m confused about supporting WMI in filter drivers. If the filter driver
handles the WMI IRPs for IRP_MJ_SYSTEM_CONTROL requests, they don’t get
passed down to lower-level drivers, which is probably a Bad Thing.

Should we use the control device object for the filter driver? Something
else?

Thanks,
Ken

2

Never mind – the GUID should be able to distinguish the requests for the
filter driver.

Sorry for the noise…

Ken

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Ken Cross
Sent: Friday, March 19, 2004 9:23 AM
To: Windows File Systems Devs Interest List
Subject: [ntfsd] WMI in filter drivers

NTFSD Folk:

I’m confused about supporting WMI in filter drivers. If the filter driver
handles the WMI IRPs for IRP_MJ_SYSTEM_CONTROL requests, they don’t get
passed down to lower-level drivers, which is probably a Bad Thing.

Should we use the control device object for the filter driver? Something
else?

Thanks,
Ken

Questions? First check the IFS FAQ at
https://www.osronline.com/article.cfm?id=17

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