linux-kernel - Re: [NFS] [PATCH 013 of 20] knfsd: nfsd: factor out code from show

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Message-ID: <a781481a0707192122w13b82f38h3408c3cd77ed0790@mail.gmail.com>
Date:	Fri, 20 Jul 2007 09:52:49 +0530
From:	"Satyam Sharma" <satyam.sharma@...il.com>
To:	"Neil Brown" <neilb@...e.de>
Cc:	"J. Bruce Fields" <bfields@...ldses.org>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [NFS] [PATCH 013 of 20] knfsd: nfsd: factor out code from show_expflags

On 7/20/07, Neil Brown <neilb@...e.de> wrote:
> On Thursday July 19, bfields@...ldses.org wrote:
> > On Thu, Jul 19, 2007 at 10:16:14AM +1000, Neil Brown wrote:
> > > On Wednesday July 18, bfields@...ldses.org wrote:
> > > > OK, here I'm still confused--what should we be doing instead?
> > >
> > > Cast the variable to a type that printf knows about.
> > >        seq_printf(m, ",anonuid=%d", (int)anonu);
> > >
> > > Or maybe cast it to (long) and use %ld, just in case...
> >
> > OK.  In the event that uid_t some day ceases to eventually become an
> > int, will the casts help, or will they just suppress useful warnings?
>
> Probably not.  Just leave it as it is.
>
> >
> > > Note the stray 's' in the current patch, after the comma!
> >
> > Sharp eyes, thanks!  I'll make a patch.  Uh, any objection if I print
> > all those uid's as unsigned while I'm at it?
>
> I wondered about that too.  I think we have completely removed the
> fiction that 'nobody' is '-2' rather than '65534' so it should be both
> safe and sensible to make them unsigned.

Ummm ... sorry for butting in here :-) But uid_t is always unsigned, yes.
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