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SubjectRe: [PATCH v3] block/loop: Serialize ioctl operations.
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Since syzbot restarted testing linux-next.git , it is a good chance
to test this patch for unexpected regressions (until you come up with
a good alternative).

On 2018/06/26 23:34, Tetsuo Handa wrote:
> Did you get any idea?
>
> On 2018/06/05 3:13, Jens Axboe wrote:
>> On 6/4/18 5:19 AM, Tetsuo Handa wrote:
>>> This problem was already ignored for 8 months. Unless we boost priority,
>>> this problem will be ignored for years. Jens, can we test this patch?
>>
>> Sorry, it's just that I _really_ hate this patch. We're making up
>> a weird locking primitive that tracks the process, with a weird
>> unlock helper that only unlocks if it's the process that is
>> holding the mutex.
>>
>> I'll try and think about this a bit, it would be nice if we had
>> a better alternative than the above.
>>
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