Re: [RFC -next 00/10] Add ZC notifications to splice and sendfile

Christoph Hellwig
2025-03-19T08:04:50Z

On Wed, Mar 19, 2025 at 12:15:11AM +0000, Joe Damato wrote:
> One way to fix this is to add zerocopy notifications to sendfile similar
> to how MSG_ZEROCOPY works with sendmsg. This is possible thanks to the
> extensive work done by Pavel [1].

What is a "zerocopy notification" and why aren't you simply plugging
this into io_uring and generate a CQE so that it works like all other
asynchronous operations?