Turn off MDL I/O

NTFSD
1

In a filter driver, is there a way to turn off MDL read/write requests only
for certain files (like it is possible to turn off fast i/o) and force IRP
requests?

Thanks
–suresh

2

Return false from your FSFD’s fastio routine
-Kiran

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Suresh
Gopalakrishnan
Sent: Tuesday, May 03, 2005 10:16 PM
To: Windows File Systems Devs Interest List
Subject: [ntfsd] Turn off MDL I/O

In a filter driver, is there a way to turn off MDL read/write requests only
for certain files (like it is possible to turn off fast i/o) and force IRP
requests?

Thanks
–suresh

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

You are currently subscribed to ntfsd as: xxxxx@calsoftinc.com To
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3

“Kiran Joshi” wrote in message news:xxxxx@ntfsd…
> Return false from your FSFD’s fastio routine
> -Kiran

That seems to do the trick.

Thanks
–suresh

> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com] On Behalf Of Suresh
> Gopalakrishnan
> Sent: Tuesday, May 03, 2005 10:16 PM
> To: Windows File Systems Devs Interest List
> Subject: [ntfsd] Turn off MDL I/O
>
> In a filter driver, is there a way to turn off MDL read/write requests
> only
> for certain files (like it is possible to turn off fast i/o) and force IRP
> requests?
>
> Thanks
> --suresh
>
>
>
> —
> Questions? First check the IFS FAQ at
> https://www.osronline.com/article.cfm?id=17
>
> You are currently subscribed to ntfsd as: xxxxx@calsoftinc.com To
> unsubscribe send a blank email to xxxxx@lists.osr.com
>
>