Comment by ijustlovemath

https://github.com/axboe/liburing

"This is the io_uring library, liburing. liburing provides helpers to setup and teardown io_uring instances, and also a simplified interface for applications that don't need (or want) to deal with the full kernel side implementation."

Yes, it is. But it's rather complicated and not all applications need its full power.

https://lwn.net/Articles/810414/