---

yaml --- r: 377621 b: refs/heads/master c: 169f1a2 h: refs/heads/master i: 377619: 46c0aae v: v3
git-mirror · Jun 13, 2013 · cf28841 · cf28841
1 parent a11fc4b
commit cf28841
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Showing 3 changed files with 24 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c9b3a8ccb77e063a28a9567eb72e0c1222c4ade4
+refs/heads/master: 169f1a2a87aae44034da4b9f81be1683d33de6d0
diff --git a/trunk/fs/jbd2/journal.c b/trunk/fs/jbd2/journal.c
@@ -103,6 +103,24 @@ EXPORT_SYMBOL(jbd2_inode_cache);
 static void __journal_abort_soft (journal_t *journal, int errno);
 static int jbd2_journal_create_slab(size_t slab_size);
 
+#ifdef CONFIG_JBD2_DEBUG
+void __jbd2_debug(int level, const char *file, const char *func,
+		  unsigned int line, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	if (level > jbd2_journal_enable_debug)
+		return;
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	printk(KERN_DEBUG "%s: (%s, %u): %pV\n", file, func, line, &vaf);
+	va_end(args);
+}
+EXPORT_SYMBOL(__jbd2_debug);
+#endif
+
 /* Checksumming functions */
 int jbd2_verify_csum_type(journal_t *j, journal_superblock_t *sb)
 {

diff --git a/trunk/include/linux/jbd2.h b/trunk/include/linux/jbd2.h
@@ -56,17 +56,13 @@
  */
 #define JBD2_EXPENSIVE_CHECKING
 extern ushort jbd2_journal_enable_debug;
+void __jbd2_debug(int level, const char *file, const char *func,
+		  unsigned int line, const char *fmt, ...);
 
-#define jbd_debug(n, f, a...)						\
-	do {								\
-		if ((n) <= jbd2_journal_enable_debug) {			\
-			printk (KERN_DEBUG "(%s, %d): %s: ",		\
-				__FILE__, __LINE__, __func__);	\
-			printk (f, ## a);				\
-		}							\
-	} while (0)
+#define jbd_debug(n, fmt, a...) \
+	__jbd2_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a)
 #else
-#define jbd_debug(f, a...)	/**/
+#define jbd_debug(n, fmt, a...)    /**/
 #endif
 
 extern void *jbd2_alloc(size_t size, gfp_t flags);