linux-kernel - [PATCH 05/15] GFS2: fs/gfs2/glock.c: Use printf extension %pV

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Message-Id: <1292588661-14350-6-git-send-email-swhiteho@redhat.com>
Date:	Fri, 17 Dec 2010 12:24:11 +0000
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc:	Joe Perches <joe@...ches.com>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 05/15] GFS2: fs/gfs2/glock.c: Use printf extension %pV

From: Joe Perches <joe@...ches.com>

Using %pV reduces the number of printk calls and
eliminates any possible message interleaving from
other printk calls.

Signed-off-by: Joe Perches <joe@...ches.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 13155f6..a9b53a4 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -951,17 +951,22 @@ 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);
 }
 
-- 
1.7.3.3

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