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

From: Simon Holm Thøgersen <[email-masked]>
Date: Sun, 11 Jan 2009 19:52:53 +0100

man, 05 01 2009 kl. 12:11 -0800, skrev Randy Dunlap:
> From: Randy Dunlap <[email-masked]>
> 
> 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 <[email-masked]>
> ---
>  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