libfs [1] is a userspace library offered by fuchsia abstracting the traditional vfs (virtual filesystem interface), allowing the fs to exist wholly in userspace, without a kernel component.
Quoting:
> Unlike more common monolithic kernels, Fuchsia’s filesystems live entirely within userspace. They are not linked nor loaded with the kernel; they are simply userspace processes which implement servers that can appear as filesystems
Quoting: > Unlike more common monolithic kernels, Fuchsia’s filesystems live entirely within userspace. They are not linked nor loaded with the kernel; they are simply userspace processes which implement servers that can appear as filesystems
[1]: https://fuchsia.googlesource.com/fuchsia/+/master/zircon/sys...