total_enqueue_wait = cfs_time_sub(cfs_time_current_sec(),
lock->l_last_activity);
- if (total_enqueue_wait > obd_timeout)
- /* non-fatal with AT - change to LDLM_DEBUG? */
- LDLM_WARN(lock, "enqueue wait took %lus from "CFS_TIME_T,
- total_enqueue_wait, lock->l_last_activity);
-
req = ptlrpc_request_alloc(lock->l_export->exp_imp_reverse,
&RQF_LDLM_CP_CALLBACK);
if (req == NULL)
/* Server-side enqueue wait time estimate, used in
__ldlm_add_waiting_lock to set future enqueue timers */
- at_add(&lock->l_resource->lr_namespace->ns_at_estimate,
- total_enqueue_wait);
+ if (total_enqueue_wait < ldlm_get_enq_timeout(lock))
+ at_add(&lock->l_resource->lr_namespace->ns_at_estimate,
+ total_enqueue_wait);
+ else
+ /* bz18618. Don't add lock enqueue time we spend waiting for a
+ previous callback to fail. Locks waiting legitimately will
+ get extended by ldlm_refresh_waiting_lock regardless of the
+ estimate, so it's okay to underestimate here. */
+ LDLM_DEBUG(lock, "lock completed after %lus; estimate was %ds. "
+ "It is likely that a previous callback timed out.",
+ total_enqueue_wait,
+ at_get(&lock->l_resource->lr_namespace->ns_at_estimate));
ptlrpc_request_set_replen(req);