From: Nick Warne <nick@linicks.net>
To: Jean Delvare <khali@linux-fr.org>
Subject: Re: [PATCH] ext3: Fix warning without quota support (was: Linux 2.6.14)
Date: Sat, 12 Nov 2005 15:58:56 +0000
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Hi Jean,

On Saturday 12 November 2005 15:31, Jean Delvare wrote:
> Hi Nick,
>
> > I have added this small fix to my 2.6.14.2 build.  A quick question.
>
> Let is be noted that this warning was fixed in a completely different
> way in Linus' tree already. My patch is not meant for -stable either,
> as it doesn't fix any real problem.

I see (or didn't).  Isn't it hard to keep up with all this.  Kernel developers 
are unstoppable... how Linus/Andrew/Alan/all_the_rest keep on top of it all I 
don't know - wonderful stuff.

> > What does GCC do here - does it just drop and ignore the unused variable?
>
> Without optimizations, gcc 3.3.6 keeps the variable although it won't
> ever be used. With -O1 and above (including -Os) it drops the unused
> variable.

Thanks!  I didn't know that at all.

Nick
-- 
http://sourceforge.net/projects/quake2plus

"Person who say it cannot be done should not interrupt person doing it."
-Chinese Proverb

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