On 2012-05-28 21:01, Benny Halevy wrote:
> On 2012-05-28 20:58, Benny Halevy wrote:
>> On 2012-05-28 19:52, Boaz Harrosh wrote:
>>> On 05/28/2012 07:09 PM, Benny Halevy wrote:
>>>
>>>> Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxx>
>>>> ---
>>>> fs/nfsd/Kconfig | 7 +++++++
>>>> fs/nfsd/pnfsd_lexp.c | 5 +++++
>>>> 2 files changed, 12 insertions(+), 0 deletions(-)
>>>>
>>>> diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
>>>> index 9d4d79b..f9b3426 100644
>>>> --- a/fs/nfsd/Kconfig
>>>> +++ b/fs/nfsd/Kconfig
>>>> @@ -132,3 +132,10 @@ config PNFSD_LEXP_LAYOUT_SEGMENT_SIZE
>>>> Set simulated layout segment size.
>>>>
>>>> If unsure, say N.
>>>> +
>>>> +config PNFSD_LEXP_RETURN_ON_CLOSE
>>>> + bool "Reply to LAYOUTGET with return_on_close set to true"
>>>> + depends on PNFSD_LOCAL_EXPORT
>>>> + default false
>>>> + help
>>>> + Set return_on_close response flag.
>>>> diff --git a/fs/nfsd/pnfsd_lexp.c b/fs/nfsd/pnfsd_lexp.c
>>>> index 30d9757..33a724c 100644
>>>> --- a/fs/nfsd/pnfsd_lexp.c
>>>> +++ b/fs/nfsd/pnfsd_lexp.c
>>>> @@ -153,6 +153,11 @@ static int get_stripe_unit(int blocksize)
>>>> res->lg_seg.offset = 0;
>>>> res->lg_seg.length = NFS4_MAX_UINT64;
>>>> #endif /* CONFIG_PNFSD_LEXP_LAYOUT_SEGMENTS */
>>>> +#ifdef CONFIG_PNFSD_LEXP_RETURN_ON_CLOSE
>>>> + res->lg_return_on_close = true;
>>>> +#else /* CONFIG_PNFSD_LEXP_RETURN_ON_CLOSE */
>>>> + res->lg_return_on_close = false;
>>>
>>>
>>> Back to my original question. With current code this case is a BUG.
>>> It will leak layouts and therefore file-reference in case of a layout-get
>>> with open-state ID.
>>>
>>> So I suggest hardcoding to true until such time that we actually can
>>> support it
>>
>> so how will you debug the leak case?
>> pnfsd-lexp is for testing, and the default is on.
>
> oops, the default is actually off in this patch.
> I do need to code what I wish :)
Fixed.
>
> Benny
>
>>
>> Benny
>>
>>>
>>> Boaz
>>>
>>>> +#endif /* CONFIG_PNFSD_LEXP_RETURN_ON_CLOSE */
>>>>
>>>> layout = kzalloc(sizeof(*layout), GFP_KERNEL);
>>>> if (layout == NULL) {
>>>
>>>
>>> --
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