linux-kernel - [PATCH] blktrace: add missing probe argument to block_bio

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Message-ID: <20110107015453.GB5109@Krystal>
Date:	Thu, 6 Jan 2011 20:54:53 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Jeff Moyer <jmoyer@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Li Zefan <lizf@...fujitsu.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] blktrace: add missing probe argument to block_bio_complete

blktrace.c block bio complete callback needs to gain a new argument to reflect
the newly added "error" tracepoint argument. This is needed to match the new
block_bio_complete TRACE_EVENT as of
commit de983a7bfcb7c020901ca6e2314cf55a4207ab5a.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
CC: Jeff Moyer <jmoyer@...hat.com>
CC: Steven Rostedt <rostedt@...dmis.org>
CC: Frederic Weisbecker <fweisbec@...il.com>
CC: Ingo Molnar <mingo@...e.hu>
CC: Thomas Gleixner <tglx@...utronix.de>
CC: Jens Axboe <axboe@...nel.dk>
CC: Li Zefan <lizf@...fujitsu.com>
---
 kernel/trace/blktrace.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/kernel/trace/blktrace.c
===================================================================
--- linux-2.6-lttng.orig/kernel/trace/blktrace.c
+++ linux-2.6-lttng/kernel/trace/blktrace.c
@@ -785,7 +785,8 @@ static void blk_add_trace_bio_bounce(voi
 }
 
 static void blk_add_trace_bio_complete(void *ignore,
-				       struct request_queue *q, struct bio *bio)
+				       struct request_queue *q, struct bio *bio,
+				       int error)
 {
 	blk_add_trace_bio(q, bio, BLK_TA_COMPLETE);
 }
-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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