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. -- Jens Axboe
