CC: cluster-devel@redhat.com
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/gfs2/Kconfig | 8 ++++++++
fs/gfs2/trace_gfs2.h | 2 ++
2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 4dcddf8..872ced2 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -38,3 +38,11 @@ config GFS2_FS_LOCKING_DLM
Most users of GFS2 will require this. It provides the locking
interface between GFS2 and the DLM, which is required to use GFS2
in a cluster environment.
+
+config GFS2_TRACER
+ bool "GFS2 tracing"
+ depends on GFS2_FS && EVENT_TRACING
+ help
+ Provide trace points in block allocation functions, locking, and
+ journaling code.
+
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
index 148d55c..5f4faf3 100644
--- a/fs/gfs2/trace_gfs2.h
+++ b/fs/gfs2/trace_gfs2.h
@@ -1,5 +1,7 @@
#undef TRACE_SYSTEM
+#undef TRACE_CONFIG
#define TRACE_SYSTEM gfs2
+#define TRACE_CONFIG CONFIG_GFS2_TRACER

#if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_GFS2_H
--
1.6.4.2