linux-kernel - Re: [PATCH -next] jbd2: fix printk format warning

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Message-Id: <1231699973.17759.22.camel@odie.local>
Date:	Sun, 11 Jan 2009 19:52:53 +0100
From:	Simon Holm Thøgersen <odie@...aau.dk>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	akpm <akpm@...ux-foundation.org>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH -next] jbd2: fix printk format warning

man, 05 01 2009 kl. 12:11 -0800, skrev Randy Dunlap:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Fix jbd2 printk format:
> 
> fs/jbd2/journal.c:848: warning: format '%lu' expects type 'long unsigned int',
> but argument 3 has type 'uint32_t'
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> ---
>  fs/jbd2/journal.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> --- linux-next-20090105.orig/fs/jbd2/journal.c
> +++ linux-next-20090105/fs/jbd2/journal.c
> @@ -845,7 +845,8 @@ static int jbd2_seq_info_show(struct seq
>  	seq_printf(seq, "  %ums logging transaction\n",
>  	    jiffies_to_msecs(s->stats->u.run.rs_logging / s->stats->ts_tid));
>  	seq_printf(seq, "  %luus average transaction commit time\n",
> -		   do_div(s->journal->j_average_commit_time, 1000));
> +		   (unsigned long)do_div(s->journal->j_average_commit_time,
> +					1000));
>  	seq_printf(seq, "  %lu handles per transaction\n",
>  	    s->stats->u.run.rs_handle_count / s->stats->ts_tid);
>  	seq_printf(seq, "  %lu blocks per transaction\n",

This patch is just as wrong as the original code. Please don't
apply it, but see my "[PATCH] jbd2: fix wrong use of do_div"
that I just sent out.


Simon Holm Thøgersen

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