Here's a slide deck from the same authors: https://events.linuxfoundation.org/wp-content/uploads/2017/11/When-eBPF-Meets-FUSE-Improving-Performance-of-User-File

Here's a slide deck from the same authors: https://events.linuxfoundation.org/wp-content/uploads/2017/11/When-eBPF-Meets-FUSE-Improving-Performance-of-User-File-Systems-Ashish-Bijlani-Georgia-Tech.pdf https://events.linuxfoundation.org/wp-content/uploads/2017/1... tl;dr: perform metadata caching in the kernel using eBPF, avoiding context switches for common operations like listdir() and getattr(), and reduce FUSE overhead from ~18% to ~6%.