From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Whitehouse Date: Wed, 10 Nov 2010 20:55:27 +0000 Subject: [Cluster-devel] [PATCH 6/9] fs/gfs2/glock.c: Use printf extension %pV In-Reply-To: <5918196ac71b4e3184a534643cdf499b54416541.1289348757.git.joe@perches.com> References: <5918196ac71b4e3184a534643cdf499b54416541.1289348757.git.joe@perches.com> Message-ID: <1289422527.2438.20.camel@dolmen> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 > --- > 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); > } >