diff options
| author |   Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2009-12-10 23:52:14 +0000 |
|---|---|---|
| committer |   Alasdair G Kergon <agk@redhat.com> | 2009-12-10 23:52:14 +0000 |
| commit | 598de40947909e6b948569710383661ecc0ddc8e (patch) | |
| tree | 05d342fb20877b9c8944ba9309f46f62094ef021 /drivers/md/dm.c | |
| parent | dm: abstract dm_in_flight function (diff) | |
| download | linux-dev-598de40947909e6b948569710383661ecc0ddc8e.tar.xz linux-dev-598de40947909e6b948569710383661ecc0ddc8e.zip | |
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 <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 73b89afd6565..cf0b455b21ef 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); } |