Hi Goldwyn, Goldwyn Rodrigues wrote: > Hi Guoqing, > > On 07/10/2015 04:01 AM, Guoqing Jiang wrote: >> In complicated cluster environment, it is possible that the >> dlm lock couldn't be get/convert on purpose, the related err >> info is added for better debug potential issue. >> >> For lockres_free, if the lock is blocking by a lock request or >> conversion request, then dlm_unlock just put it back to grant >> queue, so need to ensure the lock is free finally. > > > I cannot think of a scenario where a DLM_CANCEL will be returned. > Could you explain the situation a bit more? > Thanks for the review. When the node is receiving message where it needs to convert message lock, and lockres_free is invoked if user stop array meanwhile, then the message lock is put back to grant queue at the CR mode and message lock is not released, am I misunderstood the case? Thanks, Guoqing -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html