Re: [PATCH 7/9] fs/nilfs2/super.c: Use printf extension %pV

From: Ryusuke Konishi
Date: Wed Nov 10 2010 - 21:38:33 EST


On Tue, 9 Nov 2010 16:35:21 -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@xxxxxxxxxxx>
> ---
> fs/nilfs2/super.c | 23 ++++++++++++++++-------
> 1 files changed, 16 insertions(+), 7 deletions(-)

Applied to the nilfs tree.

Thank you.

Ryusuke Konishi

> diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
> index f804d41..bef8cc6 100644
> --- a/fs/nilfs2/super.c
> +++ b/fs/nilfs2/super.c
> @@ -111,12 +111,17 @@ void nilfs_error(struct super_block *sb, const char *function,
> const char *fmt, ...)
> {
> struct nilfs_sb_info *sbi = NILFS_SB(sb);
> + struct va_format vaf;
> va_list args;
>
> va_start(args, fmt);
> - printk(KERN_CRIT "NILFS error (device %s): %s: ", sb->s_id, function);
> - vprintk(fmt, args);
> - printk("\n");
> +
> + vaf.fmt = fmt;
> + vaf.va = &args;
> +
> + printk(KERN_CRIT "NILFS error (device %s): %s: %pV\n",
> + sb->s_id, function, &vaf);
> +
> va_end(args);
>
> if (!(sb->s_flags & MS_RDONLY)) {
> @@ -136,13 +141,17 @@ void nilfs_error(struct super_block *sb, const char *function,
> void nilfs_warning(struct super_block *sb, const char *function,
> const char *fmt, ...)
> {
> + struct va_format vaf;
> va_list args;
>
> va_start(args, fmt);
> - printk(KERN_WARNING "NILFS warning (device %s): %s: ",
> - sb->s_id, function);
> - vprintk(fmt, args);
> - printk("\n");
> +
> + vaf.fmt = fmt;
> + vaf.va = &args;
> +
> + printk(KERN_WARNING "NILFS warning (device %s): %s: %pV\n",
> + sb->s_id, function, &vaf);
> +
> va_end(args);
> }
>
> --
> 1.7.3.1.g432b3.dirty
>
> --
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