Re: [RFC -next 00/10] Add ZC notifications to splice and sendfile
From: Christoph Hellwig <hch@infradead.org>
Date: 2025-03-19 08:04:50
Also in:
linux-api, linux-arch, linux-fsdevel, linux-kselftest, lkml
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?