linux-kernel - Re: [PATCH] 9p: fix debug compilation error

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Date:	Mon, 16 Jul 2007 16:02:32 -0500
From:	"Eric Van Hensbergen" <ericvh@...il.com>
To:	"Dave Jones" <davej@...hat.com>, linux-kernel@...r.kernel.org,
	"Meelis Roos" <mroos@...ux.ee>
Subject: Re: [PATCH] 9p: fix debug compilation error

On 7/16/07, Dave Jones <davej@...hat.com> wrote:
> On Mon, Jul 16, 2007 at 09:47:49AM -0500, Eric Van Hensbergen wrote:
>  > From: Meelis Roos <mroos@...ux.ee>
>  >
>  > With 9P but no 9P debug options, this error occurs:
>  >   CC [M]  fs/9p/v9fs.o
>  > fs/9p/v9fs.c: In function 'v9fs_parse_options':
>  > fs/9p/v9fs.c:134: error: 'p9_debug_level' undeclared (first use in this function)
>  >
>  > The following patch moves the definition of p9_debug_level out of #ifdef
>  > and seems to fix the problem.
>  >
>  > (Original patch took care of the extern definition in the includes, but
>  > not the actual definition in mod.c - ericvh)
>
> Seems somewhat wasteful to include the debug options when the config
> option has been disabled though.
> Wouldn't something like this (untested) make more sense ?

Fair enough.  Looks like I introduced this when I put back the
mount-time debug option.

>
>         Dave
>
> ---
>
> fs/9p/v9fs.c: In function 'v9fs_parse_options':
> fs/9p/v9fs.c:134: error: 'p9_debug_level' undeclared (first use in this function)
>
> Signed-off-by: Dave Jones <davej@...hat.com>
Acked-by: Eric Van Hensbergen <ericvh@...il.com>

>
> --- linux-2.6.22.noarch/fs/9p/v9fs.c~   2007-07-16 11:45:56.000000000 -0400
> +++ linux-2.6.22.noarch/fs/9p/v9fs.c    2007-07-16 11:46:12.000000000 -0400
> @@ -131,7 +131,9 @@ static void v9fs_parse_options(char *opt
>                 switch (token) {
>                 case Opt_debug:
>                         v9ses->debug = option;
> +#ifdef CONFIG_NET_9P_DEBUG
>                         p9_debug_level = option;
> +#endif
>                         break;
>                 case Opt_port:
>                         v9ses->port = option;
>
> --
> http://www.codemonkey.org.uk
>
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