On 5/3/21 9:47 AM, Bart Van Assche wrote: > On 4/17/21 8:29 AM, Jens Axboe wrote: >> There's currently no way to experiment with polled IO with null_blk, >> which seems like an oversight. This patch adds support for polled IO. >> We keep a list of issued IOs on submit, and then process that list >> when mq_ops->poll() is invoked. >> >> A new parameter is added, poll_queues. It defaults to 1 like the >> submit queues, meaning we'll have 1 poll queue available. > > Has anyone run blktests against blk-for-next since this patch got > queued? The following appears in the kernel log if I run blktests: Do you know what parameters the module was loaded with? I'll drop this one from the 5.13 queue for now. -- Jens Axboe