On Mon, Jan 28, 2019 at 06:20:08PM -0700, Jens Axboe wrote: > Sure, that would be straight forward. Is there a strong reason to do > so outside of "that would be nice"? It's not like it's a huge amount > of code. And it would be really painful for userspace. Because now you can't pass struct iovec through from a higher level, but will instead of to copy the iovec to a different type in the submission path.