dm mpath: pass struct pgpath to pg init done

This patch removes some unnecessary argument casting. There is no
functional change with this patch.

Passes 'struct pgpath' through to pg_init_done() instead of the enclosed
'struct dm_path'.

Tested the changes with LSI storage..

CC: Chandra Seetharaman <chandra.seetharaman@us.ibm.com>
Signed-off-by: Babu Moger <babu.moger@lsi.com>
Acked-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index e81345a1d08f..2c6bf74ad5c1 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1128,8 +1128,7 @@ static int pg_init_limit_reached(struct multipath *m, struct pgpath *pgpath)
 
 static void pg_init_done(void *data, int errors)
 {
-        struct dm_path *path = data;
-        struct pgpath *pgpath = path_to_pgpath(path);
+        struct pgpath *pgpath = data;
         struct priority_group *pg = pgpath->pg;
         struct multipath *m = pg->m;
         unsigned long flags;
@@ -1198,7 +1197,7 @@ static void activate_path(struct work_struct *work)
                 container_of(work, struct pgpath, activate_path);
 
         scsi_dh_activate(bdev_get_queue(pgpath->path.dev->bdev),
-                                pg_init_done, &pgpath->path);
+                                pg_init_done, pgpath);
 }
 
 /*