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. >