Re: [patch 4/8] nfsd: rename MAY_ flags

From: J. Bruce Fields
Date: Fri May 30 2008 - 16:12:39 EST


On Fri, May 30, 2008 at 11:07:53AM +0200, Miklos Szeredi wrote:
> > > > don't think it does, but I'm interested in the nfsd maintainers'
> > > > opinions.
> > >
> > > This isn't something I've ever had a reason to care about. What are you
> > > trying to fix exactly?
> >
> > The NFS MAY_ flags operate in the same name and number space and we'd
> > easily get collisions when someone adds new MAY_ flags which miklos
> > as well as at least two other independent efforts want to do. To sort
> > this out we'd either defined the nfsd MAY_ flags in fs.h to make it
> > obvious we should not double-allocates bits or names, or use a different
> > name and number space for the nfsd flags. The first would be rather
> > trivial but also ugly, the seconds sound much better but is a little
> > more effort. Just defined NFSD_MAY_ and use it everywhere and do a
> > little translation inside nfsd_permission before passing it on to
> > permission().
>
> Yeah, I wouldn't mind that. Although I'd still define NFSD_MAY_EXEC,
> NFSD_MAY_READ and NFSD_MAY_WRITE to be exactly the same as MAY_EXEC,
> etc..., and have the translation actually just mask off the rest of
> the bits (as it does currently).

OK by me.

--b.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/