Did you say to what device you want to attach, it is a storage volume right and not a RAW device ?
/Daniel
“ganesh pashupathi” wrote in message news:xxxxx@ntfsd…
Hi,
Is there something pretty obvious that I am missing? Kindly provide any inputs.
Thanks a lot,
~ganesh
On Thu, 10 May 2007 ganesh pashupathi wrote :
>Hi All,
>
>Thanks for your replies.
>
>As you say there may not be a new volume. Fltmc volumes does not show that device. Also in the very useful DeviceTree utility no volume information is shown for this device and the Vpb is 0. But this is true also for another device create by the same driver which is however shown in the output of Fltmc volumes.
>
>How should I attach to this newly created device then? Is there a notification mechanism to which I can hook? Or should I poll for the device creation (does not sound good)? What api should I use to attach to this device?
>
>Another work around could be performing the task that results in this device creation and then load my filter. (does not sound good though).
>
>~ganesh
>
>
>On Thu, 10 May 2007 Lyndon J Clarke wrote :
> >Ganesh
> >
> >I am not convinced that in your case there is - or is not - a new volume.
> >You can use devictree still to assist you with that point and you can also
> >enumerate the volumes of course - you can even use filter manager there 
> >
> >Good luck
> >Lyndon
> >
> >“ganesh pashupathi” wrote in message
> >news:xxxxx@ntfsd…
> >Hi all,
> >
> >I am developing a mini-filter driver using sample nullfilter from IFS kit.
> >In the INF file Instance flag (Instance1.Flags = 0x0) is 0 i.e automatic
> >attachments (and in my code I have the InstanceSetUp fucntion as well which
> >merely return 0). After loading my sample filter, if a new device object is
> >created by some driver, how should i attach my sample mini-filter to that
> >device object to receive the calls directed to the new device.
> >
> >I tried IoRegisterFsRegistrationChange() routine, but it doesn’t seem to be
> >useful as no notifications are done after new device object is created for
> >this device. Is it recommended to use the routine
> >IoRegisterFsRegistrationChange in minifilter (using this routine in
> >minifilter resulted in my filter being shown as a legacy filter as well when
> >fltmc was run)?
> >
> >Thanks & Regards
> >Ganesh
> >
> >
> >
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