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From: Pavel Emelyanov <xemul@openvz•org>
To: Patrick McHardy <kaber@trash•net>
Cc: Joe Perches <joe@perches•com>,
	"J. Bruce Fields" <bfields@citi•umich.edu>,
	Linux Netdev List <netdev@vger•kernel.org>
Subject: Re: [PATCH] SUNRPC: Mark buffer used for debug printks with	__maybe_unused
Date: Wed, 20 Feb 2008 19:27:57 +0300	[thread overview]
Message-ID: <47BC550D.7040003@openvz.org> (raw)
In-Reply-To: <47BC48C6.3050208@trash.net>

Patrick McHardy wrote:
> Joe Perches wrote:
>> On Wed, 2008-02-20 at 07:29 -0800, Joe Perches wrote:
>>   
>>> fs/nfsd/nfsproc.c:              char buf[RPC_MAX_ADDRBUFLEN];
>>> Perhaps there should be a DECLARE_RPC_BUF(buf) macro?
>>> #define DECLARE_RPC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused
>>>     
>> Make that:
>>
>> #define DECLARE_RPC_BUF(var) char var[RPC_MAX_ADDRBUFLEN] __maybe_unuse

OK, I'll send the patch in a moment.

> Alternatively change the dprintk macro to behave similar like

This is too heavy. The problem is that some arguments passed to this
function exist only under appropriate ifdefs, so having a static
inline there will produce a warning :(

> pr_debug() and mark things like svc_print_addr() __pure, which
> has the advantage that is still performs format checking even
> if debugging is disabled.

Taking my above statement into account, this becomes useless, since
svc_print_addr() is used inside those "empty" macros and are complied
out automatically.

> 


  reply	other threads:[~2008-02-20 16:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-20 14:02 [PATCH] SUNRPC: Mark buffer used for debug printks with __maybe_unused Pavel Emelyanov
2008-02-20 15:29 ` Joe Perches
2008-02-20 15:31   ` Joe Perches
2008-02-20 15:35     ` Patrick McHardy
2008-02-20 16:27       ` Pavel Emelyanov [this message]
2008-02-20 17:00         ` Trond Myklebust
2008-02-20 16:36       ` Joe Perches
2008-02-20 17:02         ` Trond Myklebust
2008-02-20 17:23           ` Joe Perches
2008-02-20 17:41             ` Trond Myklebust
2008-02-20 15:36   ` Pavel Emelyanov
2008-02-20 15:56     ` Joe Perches

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