linux-kernel - [PATCH 6/9] fs/gfs2/glock.c: Use printf extension %pV

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Message-Id: <5918196ac71b4e3184a534643cdf499b54416541.1289348757.git.joe@perches.com>
Date:	Tue,  9 Nov 2010 16:35:20 -0800
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	Steven Whitehouse <swhiteho@...hat.com>, cluster-devel@...hat.com
Subject: [PATCH 6/9] fs/gfs2/glock.c: Use printf extension %pV

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>
---
 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);
 }
 
-- 
1.7.3.1.g432b3.dirty

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