Btrfs: fix possible ENOSPC problems with truncate

[safe/jmp/linux-2.6] / include / linux / tracepoint.h

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index d35a7ee..b9dc4ca 100644 (file)
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -31,6 +31,8 @@ struct tracepoint {
                                         * Keep in sync with vmlinux.lds.h.
                                         */
 
+#ifndef DECLARE_TRACE
+
 #define TP_PROTO(args...)      args
 #define TP_ARGS(args...)               args
 
@@ -114,6 +116,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
        struct tracepoint *end)
 { }
 #endif /* CONFIG_TRACEPOINTS */
+#endif /* DECLARE_TRACE */
 
 /*
  * Connect a probe to a tracepoint.
@@ -154,10 +157,8 @@ static inline void tracepoint_synchronize_unregister(void)
 }
 
 #define PARAMS(args...) args
-#define TRACE_FORMAT(name, proto, args, fmt)           \
-       DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
-
 
+#ifndef TRACE_EVENT
 /*
  * For use with the TRACE_EVENT macro:
  *
@@ -197,7 +198,7 @@ static inline void tracepoint_synchronize_unregister(void)
  *     * This is how the trace record is structured and will
  *     * be saved into the ring buffer. These are the fields
  *     * that will be exposed to user-space in
- *     * /debug/tracing/events/<*>/format.
+ *     * /sys/kernel/debug/tracing/events/<*>/format.
  *     *
  *     * The declared 'local variable' is called '__entry'
  *     *
@@ -257,10 +258,11 @@ static inline void tracepoint_synchronize_unregister(void)
  * tracepoint callback (this is used by programmatic plugins and
  * can also by used by generic instrumentation like SystemTap), and
  * it is also used to expose a structured trace record in
- * /debug/tracing/events/.
+ * /sys/kernel/debug/tracing/events/.
  */
 
 #define TRACE_EVENT(name, proto, args, struct, assign, print)  \
        DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
+#endif
 
 #endif