RE: [PATCH] nfsd: don't free files unconditionally in __nfsd_file_cache_purge

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>> On Jan 22, 2023, at 9:58 AM, Shachar Kagan <skagan@xxxxxxxxxx> wrote:
>>
>>> On Sat, 2023-01-21 at 17:04 +0000, Chuck Lever III wrote:
>>>>
>>>>> On Jan 20, 2023, at 3:54 PM, Jeff Layton <jlayton@xxxxxxxxxx> wrote:
>>>>>
>>>>> On Fri, 2023-01-20 at 20:21 +0000, Chuck Lever III wrote:
>>>>>>
>>>>>>> On Jan 20, 2023, at 2:52 PM, Jeff Layton <jlayton@xxxxxxxxxx> wrote:
>>>>>>>
>>>>>>> nfsd_file_cache_purge is called when the server is shutting down, 
>>>>>>> in which case, tearing things down is generally fine, but it also 
>>>>>>> gets called when the exports cache is flushed.
>>>>>>
>>>>>> Yeah... cache flush is probably the case we've been missing.
>>>>>>
>>>>>>
>>>>>>> Instead of walking the cache and freeing everything 
>>>>>>> unconditionally, handle it the same as when we have a notification of conflicting access.
>>>>>>>
>>>>>>> Fixes: ac3a2585f018 ("nfsd: rework refcounting in filecache")
>>>>>>> Reported-by: Ruben Vestergaard <rubenv@xxxxxxxx>
>>>>>>> Reported-by: Torkil Svensgaard <torkil@xxxxxxxx>
>>>>>>> Reported-by: Shachar Kagan <skagan@xxxxxxxxxx>
>>>>>>> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
>>
>> I ran our tests with the commit, the issue didn't occur.
>> Thanks for the quick response.
>
> May I add Tested-by: Shachar Kagan <skagan@xxxxxxxxxx> ?
>

Yes

> --
> Chuck Lever

--
Shachar Kagan






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