inner outer filter driver

Hi All,
Has anyone implemented a filter driver that enables dynamic
loading/unloading by providing an ‘inner’ and ‘outer’ driver - where the
outer driver interfaces with the upper edge of the file system and the IO
manager, and the inner driver is fully encapsulated by the outer driver (and
can thus be unloaded in a safe and controlled manner)? Was it difficult?
What are the pitfalls associated with this strategy?
Any pointers would be greatly appreciated!

Thanks,
Joel


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inner outer filter driverSynchronization issues as usually.

----- Original Message -----
From: Smith, Joel
To: File Systems Developers
Sent: Tuesday, August 21, 2001 6:17 PM
Subject: [ntfsd] inner outer filter driver

Hi All,
Has anyone implemented a filter driver that enables dynamic loading/unloading by providing an ‘inner’ and ‘outer’ driver - where the outer driver interfaces with the upper edge of the file system and the IO manager, and the inner driver is fully encapsulated by the outer driver (and can thus be unloaded in a safe and controlled manner)? Was it difficult? What are the pitfalls associated with this strategy?

Any pointers would be greatly appreciated!

Thanks,
Joel


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