If I recall correctly, Bcachefs grew out of the author's work on bcache, which was explicitly designed for exactly that goal. I used it extensively back in the

If I recall correctly, Bcachefs grew out of the author's work on bcache, which was explicitly designed for exactly that goal. I used it extensively back in the day and it was remarkably solid. https://wiki.archlinux.org/title/bcache https://wiki.archlinux.org/title/bcache