Hi Jens, On 7/21/2022 1:24 AM, Jens Axboe wrote: > I think this turned out to be a little bit of a goose chase. What's > happening here is that later kernels defer the file assignment, which > means it isn't set if a request is queued with IOSQE_ASYNC. That in > turn, for writes, means that we don't hash it on io-wq insertion, and > then it doesn't get serialized with other writes to that file. Thanks a lot for the detail behavior explanation. Regards Yin, Fengwei
