On 8/11/22 11:57 AM, Kanchan Joshi wrote: >>> BTW, we noticed the original issue while testing fixedbufs support. >>> Thinking to add a liburing test that involves sending a command which >>> nvme will fail during submission. Can come in handy. >> >> I think that's a good idea - if you had eg a NOP linked after a passthru >> command that failed, then that would catch this case. > > Right. For now in liburing test we don't do anything that is guranteed > to fail from nvme-side. Test issues iopoll (that fails) but that failure > comes from io_uring itself (as .iopoll is not set). So another test that > will form a bad passthru command (e.g. wrong nsid) which only nvme can > (and will) fail. Yes, that's a good idea in general, testing only successful completions doesn't really give full coverage. -- Jens Axboe