Subject: Re: linux-next: Tree for Aug 30 (jbd2 + bug.h)

From: Arnd Bergmann <[email-masked]>
Date: Thu, 1 Sep 2011 13:43:21 +0200

On Wednesday 31 August 2011, Randy Dunlap wrote:
> On Tue, 30 Aug 2011 17:16:05 +1000 Stephen Rothwell wrote:
> 
> > Hi all,
> 
> [Sorry about the delay.  My build machine is being slow.
> If this is alread fixed, sorry about the noise.]
> 
> 
> When CONFIG_BUG is not enabled (I see this on x86_64):
> 
> fs/jbd2/transaction.c: In function 'jbd2_journal_dirty_metadata':
> fs/jbd2/transaction.c:1176: error: implicit declaration of function '__WARN'
> 
> 
> asm-generic/bug.h does not provide a version of __WARN() when
> CONFIG_BUG is not enabled...
> 

Hmm, my feeling is that we shouldn't do that either, and that jbd2 should
be changed. If we want a function that does what __WARN() does today, we
should probably make a conscious decision about what we want it to be called
and not have it start with "__".

	Arnd