dm: remove map_info

This patch removes map_info from bio-based device mapper targets.
map_info is still used for request-based targets.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index e1ecacf2456f..59fc18ae52c2 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1567,8 +1567,7 @@ static void remap_exception(struct dm_snapshot *s, struct dm_exception *e,
                                           s->store->chunk_mask);
 }
 
-static int snapshot_map(struct dm_target *ti, struct bio *bio,
-                        union map_info *map_context)
+static int snapshot_map(struct dm_target *ti, struct bio *bio)
 {
         struct dm_exception *e;
         struct dm_snapshot *s = ti->private;
@@ -1683,8 +1682,7 @@ out:
  * If merging is currently taking place on the chunk in question, the
  * I/O is deferred by adding it to s->bios_queued_during_merge.
  */
-static int snapshot_merge_map(struct dm_target *ti, struct bio *bio,
-                              union map_info *map_context)
+static int snapshot_merge_map(struct dm_target *ti, struct bio *bio)
 {
         struct dm_exception *e;
         struct dm_snapshot *s = ti->private;
@@ -1744,8 +1742,7 @@ out_unlock:
         return r;
 }
 
-static int snapshot_end_io(struct dm_target *ti, struct bio *bio,
-                           int error, union map_info *map_context)
+static int snapshot_end_io(struct dm_target *ti, struct bio *bio, int error)
 {
         struct dm_snapshot *s = ti->private;
 
@@ -2119,8 +2116,7 @@ static void origin_dtr(struct dm_target *ti)
         dm_put_device(ti, dev);
 }
 
-static int origin_map(struct dm_target *ti, struct bio *bio,
-                      union map_info *map_context)
+static int origin_map(struct dm_target *ti, struct bio *bio)
 {
         struct dm_dev *dev = ti->private;
         bio->bi_bdev = dev->bdev;