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Subject: Re: possible deadlock in generic_file_write_iter
To: Peter Zijlstra <peterz@infradead.org>
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From: Byungchul Park <byungchul.park@lge.com>
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Date: Tue, 7 Nov 2017 17:30:03 +0900
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11/7/2017 5:11 PM에 Peter Zijlstra 이(가) 쓴 글:
> On Tue, Nov 07, 2017 at 09:54:42AM +0900, Byungchul Park wrote:
>>> The best I could come up with is something like the below; its not
>>> at all pretty and I could see people objecting; least of all myself for
>>> the __complete() thing, but I ran out of creative naming juice.
>>
>> Patches assigning a lock_class per gendisk were already applied in tip.
>> I believe that solves this.
>>
>>     e319e1fbd9d42420ab6eec0bfd75eb9ad7ca63b1
>>     block, locking/lockdep: Assign a lock_class per gendisk used for
>>     wait_for_completion()
>>
>> I think the following proposal makes kernel too hacky.
> 
> Ah, I tough this was with those included...

Please CC me for issues wrt. crossrelease.

--
Thanks,
Byungchul