On 2024/12/17 11:33, Jens Axboe wrote: > On 12/17/24 12:28 PM, Damien Le Moal wrote: >> On 2024/12/17 11:25, Bart Van Assche wrote: >>> On 12/17/24 11:20 AM, Damien Le Moal wrote: >>>> For a simple fio "--zonemode=zbd --rw=randwrite --numjobs=X" for X > 1 >>> >>> Please note that this e-mail thread started by discussing a testcase >>> with --numjobs=1. >> >> I missed that. Then io_uring should be fine and behave the same way as libaio. >> Since it seems to not be working, we may have a bug beyond the recently fixed >> REQ_NOWAIT handling I think. That needs to be looked at. > > Inflight collision, yes that's what I was getting at - there seems to be > another bug here, and misunderstandings on how io_uring works is causing > it to be ignored and/or not understood. OK. Will dig into this because I definitely do not fully understand where the issue is. -- Damien Le Moal Western Digital Research
