Re: layout return - final update ?

> Trond Myklebust wrote:
>> On Wed, 2012-02-29 at 15:30 -0500, david.noveck@... wrote:
>>>> Previously what we discussed was the last CLOSE for the
>>>> file/client
>>> pair.
>>>
>>>
>>> OK, but the proposed text you supplied is not clear on that point.
>>>
>>>
>>>> That said, I'm not sure about multiple filehandles representing
>>>> the
>>> same file.
>>>
>>> Another issue that needs to be clarified in the text.
>>
>> We should do the same as we do for other state: LAYOUTs for different
>> filehandles should be represented by different stateids and should not
>> be combined.
>>
>> IOW: since you can't choose to CLOSE the file using either filehandle,
>> but MUST use the filehandle that you received when you did the OPEN, I
>> suggest that we extend that principle to layouts too.
>>
> Isn't it also possible to have multiple OPENs for the same FH, but
> different open_owner4's?
>
> (Just fyi, this doesn't affect the FreeBSD
> client much, since it holds onto all OPENs for a given FH until all
> of the file descriptors are closed and the CLOSEes them all at the
> same time. As such, the layout can be returned at that time, if any
> case of return_on_closed == true has been received for the layout.)