From 031018d66c60873e357c4839d44d3336959dcfa3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 17 Jul 2009 14:39:50 -0700
Subject: [PATCH] kclient: dout is a no-op without DEBUG or
 CONFIG_DYNAMIC_DEBUG

---
 src/kernel/ceph_debug.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/kernel/ceph_debug.h b/src/kernel/ceph_debug.h
index e8cbf46925223..4557ea73a2e14 100644
--- a/src/kernel/ceph_debug.h
+++ b/src/kernel/ceph_debug.h
@@ -5,12 +5,20 @@
  * wrap pr_debug to include a filename:lineno prefix on each line
  */
 
+#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
 extern const char *ceph_file_part(const char *s, int len);
-
-#define dout(fmt, ...)							\
+# define dout(fmt, ...)							\
 	pr_debug(" %12.12s:%-4d : " fmt,				\
 		 ceph_file_part(__FILE__, sizeof(__FILE__)),		\
 		 __LINE__, ##__VA_ARGS__);
-
+#else
+/*
+ * this is a no-op, but keep the faux printk call just so we see any
+ * compiler warnings.
+ */
+# define dout(fmt, ...)	do {						\
+		if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__);	\
+	} while (0)
+#endif
 
 #endif
-- 
2.39.5