Shichangkuo
2016-Mar-15 03:51 UTC
[Ocfs2-devel] Could the master return DLM_NORMAL when unlock nonexistent locks from other node?
Hi Gang and Joseph,
Thanks for your reply.
The key point is how to reproduce this issue, I have analysed all
cluster-nodes since 2 days ago, but find few useful information. now we are
trying to reproduce it.
Could you give me some suggestions about how to reproduce make it easier?
Thanks
Changkuo>>>
Hi Changkuo,
From your description, the concern looks to make sense.
Could you reproduce this issue? if yes, I think we should adjust this logic more
quickly.
Thanks
Gang
>>>
> Hi all,
> When NodeA want to unlock lock-res1, and it send message to NodeB,
> but in NodeB any lock queues (granted, converting, blocked) could not
> find this lock for some unknown reason, then NodeB reply DLM_IVLOCKID.
> In this situation, NodeA bug. The detail is described as follows.
>
> NODEA NODEB
> ocfs2_drop_lock
> ocfs2_dlm_unlock
> o2cb_dlm_unlock
> dlmunlock
> dlmunlock_remote ----> send message to master
> dlm_unlock_lock_handler
> return DLM_IVLOCKID
> BUG()
>
> I think it's no nessary to let NodeA bug, it just like we removed an
> nonexistent file.
> Could NodeB return DLM_NORMAL?
>
> Thanks
> Changkuo
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