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 <k-ueda@xxxxxxxxxxxxx>
Signed-off-by: Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx>
Cc: Alasdair G Kergon <agk@xxxxxxxxxx>
---
drivers/md/dm.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
Index: 2.6.32-rc4/drivers/md/dm.c
===================================================================
--- 2.6.32-rc4.orig/drivers/md/dm.c
+++ 2.6.32-rc4/drivers/md/dm.c
@@ -1493,11 +1493,10 @@ static int dm_prep_fn(struct request_que
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
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);
}
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel
