[ros-kernel] Re: XFS Filesystem?

[Casper H. <ch...@us...>]

On Monday 24 September 2001 18:27, Frank D. Engel, Jr. wrote:
> SGI's XFS filesystem is available as an Open-Source project (GPL) for
> Linux.  How difficult is it to port a Linux filesystem driver to
> ReactOS?
>
> This filesystem has journaling capabilities, and may be of benefit to
> many users.  I believe it has ACL support, as well.
>
> Thus, it may be worth consideration for a future project within
> ReactOS, if it can be ported easily enough.

If the file system driver (FSD) is designed properly, it should not be too 
difficult to port to ReactOS. FSDs can be split in three parts - the veneer, 
the core, and the disk driver interface layer. The veneer is the most OS 
specific layer. The core layer can be designed to be mostly OS independant 
and is typically the largest part of the FSD. The core layer manages the 
on-disk data structures. The disk driver interface layer interacts with the 
OS drivers for disk storage and network devices. 

In short, if written correctly, only the veneer and the disk driver interface 
layer would need to be rewritten to port it to ReactOS.

- Casper

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