Indeed, it's possible and even mostly-supported (at least on Gentoo) to compile the code into the kernel; i.e., not as a module. I have a zfs system without kmo

Indeed, it's possible and even mostly-supported (at least on Gentoo) to compile the code into the kernel; i.e., not as a module. I have a zfs system without kmod support (reduces a huge attack surface and just seems cleaner).