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Re: [Linux-cluster] Re: GFS, what's remaining



On Monday 05 September 2005 05:19, Andrew Morton wrote:
> David Teigland <teigland redhat com> wrote:
> > On Mon, Sep 05, 2005 at 01:54:08AM -0700, Andrew Morton wrote:
> > > David Teigland <teigland redhat com> wrote:
> > > >  We export our full dlm API through read/write/poll on a misc device.
> > >
> > > inotify did that for a while, but we ended up going with a straight
> > > syscall interface.
> > >
> > > How fat is the dlm interface?   ie: how many syscalls would it take?
> >
> > Four functions:
> >   create_lockspace()
> >   release_lockspace()
> >   lock()
> >   unlock()
>
> Neat.  I'd be inclined to make them syscalls then.  I don't suppose anyone
> is likely to object if we reserve those slots.

Better take a look at the actual parameter lists to those calls before jumping 
to conclusions...

Regards,

Daniel


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