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. >>