Linux 6.17 File-System Benchmarks, Including OpenZFS & Bcachefs

Linux 6.17 is an interesting time to carry out fresh file-system benchmarks given that EXT4 has seen some scalability improvements while Bcachefs in the mainline kernel is now in a frozen state. Linux 6.17 is also what's powering Fedora 43 and Ubuntu 25.10 out-of-the-box to make such a comparison even more interesting. Today's article is looking at the out-of-the-box performance of EXT4, Btrfs, F2FS, XFS, Bcachefs and then OpenZFS too.