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Re: [Cluster-devel] [PATCH 6/9] fs/gfs2/glock.c: Use printf extension %pV



Hi,

Now in my -nmw GFS2 git tree along with the previous patch. Thanks,

Steve.

On Tue, 2010-11-09 at 16:35 -0800, Joe Perches wrote:
> Using %pV reduces the number of printk calls and
> eliminates any possible message interleaving from
> other printk calls.
> 
> Signed-off-by: Joe Perches <joe perches com>
> ---
>  fs/gfs2/glock.c |    9 +++++++--
>  1 files changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
> index 8777885..d30b39c 100644
> --- a/fs/gfs2/glock.c
> +++ b/fs/gfs2/glock.c
> @@ -952,17 +952,22 @@ int gfs2_glock_wait(struct gfs2_holder *gh)
>  
>  void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
>  {
> +	struct va_format vaf;
>  	va_list args;
>  
>  	va_start(args, fmt);
> +
>  	if (seq) {
>  		struct gfs2_glock_iter *gi = seq->private;
>  		vsprintf(gi->string, fmt, args);
>  		seq_printf(seq, gi->string);
>  	} else {
> -		printk(KERN_ERR " ");
> -		vprintk(fmt, args);
> +		vaf.fmt = fmt;
> +		vaf.va = &args;
> +
> +		printk(KERN_ERR " %pV", &vaf);
>  	}
> +
>  	va_end(args);
>  }
>  



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