+ /**
+ * Submit time - the time when the page is starting RPC. For debugging.
+ */
+ cfs_time_t ops_submit_time;
+
+ /**
+ * A lock of which we hold a reference covers this page. Only used by
+ * read-ahead: for a readahead page, we hold it's covering lock to
+ * prevent it from being canceled during recovery.
+ *
+ * \see osc_lock::ols_pageref
+ * \see osc_page_addref_lock(), osc_page_putref_lock().
+ */
+ struct cl_lock *ops_lock;