From an earlier article https://www.phoronix.com/scan.php?page=news_item&px=Linux-Approaching-7M-IOPS https://www.phoronix.com/scan.php?page=news_item&px=Linux-

From an earlier article https://www.phoronix.com/scan.php?page=news_item&px=Linux-Approaching-7M-IOPS https://www.phoronix.com/scan.php?page=news_item&px=Linux-Ap... "His patches pushing the greater performance have been changes to the block code, NVMe, multi-queue blk-mq, and IO_uring." https://git.kernel.dk/cgit/linux-block/log/?h=perf-wip https://git.kernel.dk/cgit/linux-block/log/?h=perf-wip So it looks like he is playing with a good portion of the IO block stack with a very recent concentration on io_uring. So maybe some of it?...