Re: [ros-dev] Command line

[Imre Leber]

>  From the sysinternals website that is somewhat involved
> with microsoft: 
"Neither UNTFS.DLL nor UFAT.DLL call file system drivers to take any part in a format
or chkdsk operation - they directly read and write raw clusters on the drive."

Imre

>  -----Original Message-----
> From: Thomas Weidenmueller [mailto:[e-mail]]
> Sent: Monday, September 4, 2006 03:42 PM
> To: 'ReactOS Development List'
> Subject: Re: [ros-dev] Command line
>
>
> >   The big benefit of using this library is that it
> > let's you write code to
> >  manipulate the FAT file system  that works on FAT12, FAT16, FAT32 without
> >  knowing the exact FAT file system this is going to run on. The same code
> >  works for FAT12, FAT16, FAT32 without having code that looks like: 
> In ROS each FS driver has to implement the defrag APIs. An application can
> defrag any FS by using the 3 publicly documented IOCTLs.
> UFAT/UNTFS/Uxxx... is not used for fs defragmentation.
>
> >   Anyway this could be used as the basis for
> > ufat.dll. The utilities that
> >  already use this library could then also be put in here. And the rest can
> >  then be easily written. 
> As mentioned above, defragmentation is done by the fs drivers in kernel mode.
>
> >   What would then be needed is the actual functions
> > that make up the
> >  interface to ufat.dll. 
> We can design the interfaces to ufat, untfs, ... as we wish. These
> interfaces are not documented publicly as there is no standard. each FS
> should come with it's own utilities. Chkdsk can only be used with the file
> systems that come with windows/reactos, other FS need to provide their own
> tools.
>
> - Thomas
>
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