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Message-Id: <E1K1iiF-00086t-Ve@pomaz-ex.szeredi.hu>
Date:	Thu, 29 May 2008 16:02:39 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	hch@...radead.org
CC:	miklos@...redi.hu, linux-fsdevel@...r.kernel.org,
	hch@...radead.org, viro@...IV.linux.org.uk,
	linux-kernel@...r.kernel.org, bfields@...i.umich.edu, neilb@...e.de
Subject: Re: [patch 4/8] nfsd: rename MAY_ flags

> > From: Miklos Szeredi <mszeredi@...e.cz>
> > 
> > Rename nfsd specific MAY_* flags to NFSD_MAY_* to make it clear, that
> > these are not used outside nfsd, and to avoid namespace conflicts with
> > the VFS.
> 
> But they _are_ in the same namespace as the VFS ones.  This needs to be
> sorted out by real by understanding what's going on here and either
> separating this flags out and passing them in a separate argument, or
> moving them to include/linux/fs.h so it's obvious for anyone adding new
> flags that they must not collide.

Neither I think.  What's going on is that nfsd has a private set of
permission flags, and a private permission checking function, which
incidentally calls the vfs' permission checking function.

Does it hurt to share the three base MAY_ flags for this purpose?  I
don't think it does, but I'm interested in the nfsd maintainers'
opinions.

Thanks,
Miklos
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