linux-kernel - [PATCH 8/9] fs/quota/dquot.c: Use printf extension %pV

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Date:	Tue,  9 Nov 2010 16:35:22 -0800
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jan Kara <jack@...e.cz>
Subject: [PATCH 8/9] fs/quota/dquot.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/quota/dquot.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 0fed41e..aad97ef 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -135,14 +135,18 @@ EXPORT_SYMBOL(dq_data_lock);
 void __quota_error(struct super_block *sb, const char *func,
 		  const char *fmt, ...)
 {
+	struct va_format vaf;
 	va_list args;
 
 	if (printk_ratelimit()) {
 		va_start(args, fmt);
-		printk(KERN_ERR "Quota error (device %s): %s: ",
-		       sb->s_id, func);
-		vprintk(fmt, args);
-		printk("\n");
+
+		vaf.fmt = fmt;
+		vaf.va = &args;
+
+		printk(KERN_ERR "Quota error (device %s): %s: %pV\n",
+		       sb->s_id, func, &vaf);
+
 		va_end(args);
 	}
 }
-- 
1.7.3.1.g432b3.dirty

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