rbd: drop "object_name" from rbd_req_sync_unwatch()

rbd_req_sync_unwatch() only ever uses rbd_dev->header_name as the
value of its "object_name" parameter, and that value is available
within the function already.  So get rid of the parameter.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 7884cb0..30eb01e 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1281,8 +1281,7 @@ fail:
 /*
  * Request sync osd unwatch
  */
-static int rbd_req_sync_unwatch(struct rbd_device *rbd_dev,
-                               const char *object_name)
+static int rbd_req_sync_unwatch(struct rbd_device *rbd_dev)
 {
        struct ceph_osd_req_op *ops;
 
@@ -1299,7 +1298,9 @@ static int rbd_req_sync_unwatch(struct rbd_device *rbd_dev,
                              0,
                              CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK,
                              ops,
-                             object_name, 0, 0, NULL, NULL, NULL);
+                             rbd_dev->header_name,
+                             0, 0, NULL, NULL, NULL);
+
 
        rbd_destroy_ops(ops);
        ceph_osdc_cancel_event(rbd_dev->watch_event);
@@ -2567,7 +2568,7 @@ static void rbd_dev_release(struct device *dev)
                                                    rbd_dev->watch_request);
        }
        if (rbd_dev->watch_event)
-               rbd_req_sync_unwatch(rbd_dev, rbd_dev->header_name);
+               rbd_req_sync_unwatch(rbd_dev);
 
        rbd_put_client(rbd_dev);