Hi all,
Till now I was developing in FSFD. So need some help.
Is there any driver example which tells how to deal with storage. Like if we
have to reroute the files
being created in the hard disk to a separate space allocated by our driver
program; so that all reads
and writes are further redirected to the seperate allocated space.
Thanks and Regards,
Lalit.
The easiest way is to have two volumes. One is secured and another one is
hidden and used for saving changes made to the secured volume. If you want
changes written on the same volume then you may try to ask mounted file
system for free space using FSCTL_GET_VOLUME_BITMAP or something like that.
Or you could demand user to initialize volume in some way before it is
formatted. During initialization you can reserve some space for your needs
and prevent file systems from using it.
-htfv
----- Original Message -----
From: “Lalit S. Rana”
Newsgroups: ntfsd
To: “File Systems Developers”
Sent: Sunday, June 22, 2003 10:26 PM
Subject: [ntfsd] Upper Storage Filter Driver
> Hi all,
> Till now I was developing in FSFD. So need some help.
> Is there any driver example which tells how to deal with storage. Like if
we
> have to reroute the files
> being created in the hard disk to a separate space allocated by our driver
> program; so that all reads
> and writes are further redirected to the seperate allocated space.
> Thanks and Regards,
> Lalit.
>
>
>
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