Nikos, >> [8] https://kernel.dk/io_uring.pdf > > I would like to participate in the discussion too. > > The dm-clone target would also benefit from copy offload, as it heavily > employs dm-kcopyd. I have been exploring redesigning kcopyd in order to > achieve increased IOPS in dm-clone and dm-snapshot for small copies over > NVMe devices, but copy offload sounds even more promising, especially > for larger copies happening in the background (as is the case with > dm-clone's background hydration). > > Thanks, > Nikos If you can document your findings here it will be great for me to add it to the agenda. -ck