linux-kernel - [PATCH 6/6] dm: get rid of block_bio

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Date:	Mon, 29 Aug 2011 12:47:40 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com
Subject: [PATCH 6/6] dm: get rid of block_bio_complete tracepoint

Now bio_endio() contains the tracepoint in it, so we don't
need to have it twice. Plus, since the only external user
of the tracepoint was the DM, we can unexport the symbol.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
Cc: dm-devel@...hat.com
---
 block/blk-core.c |    1 -
 drivers/md/dm.c  |    1 -
 2 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 62b79692c7e8..57e8c2b8d9bd 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -36,7 +36,6 @@
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
 EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
-EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
 
 static int __make_request(struct request_queue *q, struct bio *bio);
 
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 52b39f335bb3..e9e671303609 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -639,7 +639,6 @@ static void dec_pending(struct dm_io *io, int error)
 			queue_io(md, bio);
 		} else {
 			/* done with normal IO or empty flush */
-			trace_block_bio_complete(md->queue, bio, io_error);
 			bio_endio(bio, io_error);
 		}
 	}
-- 
1.7.6

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