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Subject: Re: [PATCHSET v5 0/12] Add support for async buffered reads
To:     Andres Freund <andres@anarazel.de>
Cc:     io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        akpm@linux-foundation.org
References: <20200526195123.29053-1-axboe@kernel.dk>
 <20200604005916.niy2mejjcsx4sv6t@alap3.anarazel.de>
 <e3072371-1d6b-8ae5-d946-d83e60427cb0@kernel.dk>
 <6eeff14f-befc-a5cc-08da-cb77f811fbdf@kernel.dk>
 <20200605202028.d57nklzpeolukni7@alap3.anarazel.de>
From:   Jens Axboe <axboe@kernel.dk>
Message-ID: <34b47fac-c162-1a81-2829-965189fa5d3d@kernel.dk>
Date:   Fri, 5 Jun 2020 14:21:44 -0600
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On 6/5/20 2:20 PM, Andres Freund wrote:
> Hi,
> 
> On 2020-06-05 08:42:28 -0600, Jens Axboe wrote:
>> Can you try with async-buffered.7? I've rebased it on a new mechanism,
>> and doing something like what you describe above I haven't been able
>> to trigger anything bad. I'd try your test case specifically, so do let
>> know if it's something I can run.
> 
> I tried my test on async-buffered.7?, and I get hangs very quickly after
> starting. Unfortunately, I don't seem to get an OOPSs, not sure yet why.
> 
> Let me know if my test triggers for you.
> 
> I'll go and try to figure out why I don't see an oops...

I'll try the reproducer! Thanks for testing.

-- 
Jens Axboe