rbd: don't mess with a page vector in rbd_notify_op_lock()

rbd_notify_op_lock() isn't interested in a notify reply.  Instead of
accepting that page vector just to free it, have watch-notify code take
care of it.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 205192a..67d65ac 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3754,11 +3754,7 @@ static int __rbd_notify_op_lock(struct rbd_device *rbd_dev,
 static void rbd_notify_op_lock(struct rbd_device *rbd_dev,
                               enum rbd_notify_op notify_op)
 {
-       struct page **reply_pages;
-       size_t reply_len;
-
-       __rbd_notify_op_lock(rbd_dev, notify_op, &reply_pages, &reply_len);
-       ceph_release_page_vector(reply_pages, calc_pages_for(0, reply_len));
+       __rbd_notify_op_lock(rbd_dev, notify_op, NULL, NULL);
 }
 
 static void rbd_notify_acquired_lock(struct work_struct *work)