You can disable cached but you want paging. You want to handle all
non-cached which paging IO is non-cached.
If the request is a synchronous request and the operation is non-cached
and non-paging then you update the offset.
Pete
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Kernel Drivers
Windows File System and Device Driver Consulting
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------ Original Message ------
From: xxxxx@gmail.com
To: “Windows File Systems Devs Interest List”
Sent: 11/20/2015 4:27:46 PM
Subject: RE:[ntfsd] Re[2]: Minifilter as cache
>Hi again, finished too fast 
>It should be enough if I set
>(FLTFL_OPERATION_REGISTRATION_SKIP_CACHED_IO |
>FLTFL_OPERATION_REGISTRATION_SKIP_PAGING_IO) in
>FLT_OPERATION_REGISTRATION, right? Or do I have to check additional
>flags?
>
>How about the file offset? Do I have to update it
>(FltSetInformationFile with FilePositionInformation) when returning
>data from my cache? I realized that I have to do it (at least for my
>test application) but is this always the case?
>
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