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[Cluster-devel] [PATCH 10/18] gfs2: Provide config option for enabling trace points



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


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