On 8/11/22 6:43 PM, Casey Schaufler wrote: > On 7/19/2022 6:52 AM, Ankit Kumar wrote: >> This patchset adds test/io_uring_passthrough.c to submit uring passthrough >> commands to nvme-ns character device. The uring passthrough was introduced >> with 5.19 io_uring. >> >> To send nvme uring passthrough commands we require helpers to fetch NVMe >> char device (/dev/ngXnY) specific fields such as namespace id, lba size. > > There wouldn't be a way to run these tests using a more general > configuration, would there? I spent way too much time trying to > coax my systems into pretending it has this device. It's only plumbed up for nvme. Just use qemu with an nvme device? -drive id=drv1,if=none,file=nvme.img,aio=io_uring,cache.direct=on,discard=on \ -device nvme,drive=drv1,serial=blah2 Paul was pondering wiring up a no-op kind of thing for null, though. -- Jens Axboe
