Re: GFS requirements (was: Non-GPL export of invalidate_mmap_range)

[Daniel Phillips]

On Sunday 22 February 2004 05:37, Lars Marowsky-Bree wrote:
> > > So, how does OpenGFS/GFS achieve the communication? How does it
> > > interact with the infrastructure (which, I infere from your above
> > > comments, is meant to reside in user-space)?
> >
> > It's done both ways, actually.  No new kernel hooks are used in either
> > case.
>
> That doesn't answer my question how you are doing the user-space /
> kernel communication ;-)

Hi Lars,

OpenGFS uses sockets, see:

http://cvs.sourceforge.net/viewcvs.py/opengfs/opengfs/src/locking/modules/memexp/moduleops.c?view=markup

> And will the user-space infrastructure to go with GFS be open source
> too? Questions over questions.

Yes, it's all to be opened up.  If you don't mind, I'd prefer to hold off 
discussing the infrastructure details until the code lands.

Regards,

Daniel

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