ext4: Add configurable run-time mballoc debugging

[pandora-kernel.git] / fs / ext4 / mballoc.h

diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index c96bb19..9db890d 100644 (file)
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -37,11 +37,19 @@
 
 /*
  */
-#define MB_DEBUG__
-#ifdef MB_DEBUG
-#define mb_debug(fmt, a...)    printk(fmt, ##a)
+#ifdef CONFIG_EXT4_DEBUG
+extern u8 mb_enable_debug;
+
+#define mb_debug(n, fmt, a...)                                         \
+       do {                                                            \
+               if ((n) <= mb_enable_debug) {                           \
+                       printk(KERN_DEBUG "(%s, %d): %s: ",             \
+                              __FILE__, __LINE__, __func__);           \
+                       printk(fmt, ## a);                              \
+               }                                                       \
+       } while (0)
 #else
-#define mb_debug(fmt, a...)
+#define mb_debug(n, fmt, a...)
 #endif
 
 /*