On 22/03/2020 23:15, Jens Axboe wrote: > On 3/22/20 2:05 PM, Jens Axboe wrote: >> On 3/22/20 1:51 PM, Jens Axboe wrote: >>>> Please, tell if you see a hole in the concept. And as said, there is >>>> still a bug somewhere. >> >> One quick guess would be that you're wanting to use both work->list and >> work->data, the latter is used by links which is where you are crashing. >> Didn't check your list management yet so don't know if that's the case, >> but if you're still on the list (or manipulating it after), then that >> would be a bug. > > IOW, by the time you do work->func(&work), the item must be off the > list. Does indeed look like that's exactly the bug you have. > Good guess. I made sure to grab next before ->func(), see next_hashed. And it's not in @work_list, because io_get_next_work() removes it. However, somebody may expect it to be NULL or something. Thanks! I'll check it -- Pavel Begunkov
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