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Date:	Tue, 23 Mar 2010 01:32:04 +0100
From:	Jan Kara <jack@...e.cz>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Jan Kara <jack@...e.cz>, Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 02/18] block: Generate blktrace trace points only if blktrace is enabled

CC: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Jan Kara <jack@...e.cz>
---
 include/trace/events/block.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 5fb7273..6412165 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -1,5 +1,7 @@
 #undef TRACE_SYSTEM
+#undef TRACE_CONFIG
 #define TRACE_SYSTEM block
+#define TRACE_CONFIG CONFIG_BLK_DEV_IO_TRACE
 
 #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_BLOCK_H
-- 
1.6.4.2

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