[PATCH] lose unused arguments in dm ioctl callbacks

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 327de03..5f0f4c8 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -345,7 +345,7 @@
 	}
 
 	if (tgt->type->ioctl)
-		r = tgt->type->ioctl(tgt, inode, file, cmd, arg);
+		r = tgt->type->ioctl(tgt, cmd, arg);
 
 out:
 	dm_table_put(map);