Moved tracing macro definitions into separate tracing_config.h header.

So now there's a central place to enable tracing in general and for
individual components.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23645 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/cache/block_cache.cpp

@@ -42,7 +42,6 @@
 
 #define DEBUG_BLOCK_CACHE
 //#define DEBUG_CHANGED
-//#define TRANSACTION_TRACING
 
 // This macro is used for fatal situations that are acceptable in a running
 // system, like out of memory situations - should only panic for debugging.
@@ -73,7 +72,7 @@ struct cache_transaction {
 	bool			has_sub_transaction;
 };
 
-#ifdef TRANSACTION_TRACING
+#ifdef BLOCK_CACHE_TRANSACTION_TRACING
 namespace TransactionTracing {
 
 class Action : public AbstractTraceEntry {