From 598de40947909e6b948569710383661ecc0ddc8e Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Thu, 10 Dec 2009 23:52:14 +0000 Subject: dm: use clone in map_request function This patch changes the argument of map_request() to clone request from original request. No functional change. This patch is a preparation for PATCH 9, which needs to use map_request() for clones sharing an original barrier request. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Alasdair G Kergon --- drivers/md/dm.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/md') diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 73b89afd656..cf0b455b21e 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1495,11 +1495,10 @@ static int dm_prep_fn(struct request_queue *q, struct request *rq) return BLKPREP_OK; } -static void map_request(struct dm_target *ti, struct request *rq, +static void map_request(struct dm_target *ti, struct request *clone, struct mapped_device *md) { int r; - struct request *clone = rq->special; struct dm_rq_target_io *tio = clone->end_io_data; /* @@ -1576,7 +1575,7 @@ static void dm_request_fn(struct request_queue *q) blk_start_request(rq); spin_unlock(q->queue_lock); - map_request(ti, rq, md); + map_request(ti, rq->special, md); spin_lock_irq(q->queue_lock); } -- cgit v1.2.3