Re: possible deadlock in generic_file_write_iter

[Dmitry Vyukov]

On Tue, Nov 7, 2017 at 9:30 AM, Byungchul Park <byungchul.park@xxxxxxx> wrote:
> 11/7/2017 5:11 PMì Peter Zijlstra ì(ê) ì ê:
>
>> 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.

Hi Byungchul,

Whom are you asking? And what is crossrelease?