Hacker News new | ask | show | jobs
by shuss 2227 days ago
Oh, yeah. QEMU 5.0 already uses io_uring. In fact, it uses liburing. Check out the changelog: https://wiki.qemu.org/ChangeLog/5.0
1 comments

To save people time, there's a single reference to it on the changelog:

> The file-posix driver can now use the io_uring interface of Linux with aio=io_uring

side note: I did note a change we built made it in to a released version of qemu:

> qemu-img convert -n now understands a --target-is-zero option, which tells it that the target image is completely zero, so it does not need to be zeroed again.

That's saving us so much time and I/O