linux-kernel - Re: [PATCH] Add kerneldoc for flush_scheduled

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Message-ID: <20090813084724.GA24333@cmpxchg.org>
Date:	Thu, 13 Aug 2009 10:47:24 +0200
From:	Johannes Weiner <hannes@...xchg.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	James Bottomley <James.Bottomley@...senPartnership.com>,
	Andy Whitcroft <apw@...onical.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: Re: [PATCH] Add kerneldoc for flush_scheduled_work()

On Thu, Aug 13, 2009 at 09:25:14AM +0200, Ingo Molnar wrote:
> 
> * James Bottomley <James.Bottomley@...senPartnership.com> wrote:
> 
> > On Wed, 2009-08-12 at 10:13 -0400, Alan Stern wrote:
> > > On Wed, 12 Aug 2009, Ingo Molnar wrote:
> > > 
> > > > > And here I was thinking kerneldoc doesn't actually work 
> > > > > like that, but perhaps Randy fixed it so the initial 
> > > > > description can line-wrap?
> > > 
> > > Yes, that's what I thought too.  If kerneldoc has been fixed 
> > > then the description line certainly should get wrapped.
> > 
> > I really don't think it needs to be fixed: it's a feature not a 
> > bug.  It requires people writing kernel doc actually to think of 
> > one line summaries.
> 
> As long as the argument is that it's good to have limitations just 
> because it has good effects as well (which the gist of your argument 
> seems to be), i disagree.
> 
> That's a very basic argument of freedom. Just consider the Gestapo 
> which was also a 'feature' to keep criminals in check. Did you know 
> that there were record low levels of petty criminality both in nazi 
> Germany and during communism (and under just about any totalitarian 
> regime)? Still nobody in their right mind is arguing that just due 
> to that they are the right social model ...

Although I really like how you Godwin'd kerneldoc comments ;-), we do
have other features that are features because of their limiting effect
all over the place, don't we?  The 80-columns code rule e.g. or our
limited set of allowed indenting characters.

> I think this DocBook limitation needs to be fixed, because there are 
> legitimate cases where a function name got too long (for no fault of 
> its own, but for properties of the name-space it is operating in), 
> and we do not want a nanny state beat it into a single line.

Agreed, just as in the other rules, one should be able to bend this
one once in a while without technical consequences, i.e. without
kerneldoc breaking.
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