The virtio-fs Kaleidoscope - Current State, Future Prospects, and Performance Insights

Explore the multifaceted world of virtio-fs in this 26-minute KVM Forum talk. Gain insights into the current state and future prospects of live migration support, where significant progress has been made. Delve into experimental areas, including support for non-vhost-user interfaces like /dev/fuse and vDPA/VDUSE, and learn about efforts to expand beyond the simple passthrough driver through filesystem "transformation" functionality and native driver integration. Examine virtio-fs's performance, focusing on interface improvements such as multiqueue support and virtiofsd's internal architecture. Benefit from the expertise of German Maglione, virtiofsd maintainer, and Hanna Czenczek, both experienced Red Hat engineers specializing in virtualization and storage technologies.