[pnfs] [PATCH 0/5] nfs4_client reference counting

[Benny Halevy]

William A. (Andy) Adamson wrote:
> Hi Benny
> 
> These all look good to me.

Great.

In afterthought, I came to the conclusion that it is not essential
to use kref for struct nfs4_client. The rpc cl_users recount can be
used in layoutrecall path, same as cb_recall, and in all the other
places the client structure is accessed always under the state lock.
So for the sake of doing the minimum required changes, I'm going to
re-implement the nfsd layout cache patches in the pnfs this way.
Just please let me know if you do want to use kref for struct nfs4_client
after all.

Benny

> 
> -->Andy
> 
> On 5/17/07, Benny Halevy <bhalevy at panasas.com> wrote:
>> This patchset is against the 4.1-sessions branch and is applicable
>> also to mainline.
>>
>> These patches can go upstream:
>> 0001-rpc_clnt-ref-count-for-nfs4_cb_recall.patch
>> 0002-delete-nfs4_client-ref-counting-from-nfsd4_probe_cal.patch
>> 0003-change-list_del-in-expire_client-to-list_del_init.patch
>>
>> These patches are helpful for debugging:
>> 0004-add-BUG_ONs-to-free_client.patch
>> 0005-introduce-BUG_ON_UNLOCKED_STATE.patch
>>
>> Benny
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>>
>