I'm not interested in fuse here. Gvisor has fsgofer, which is a proxy of some kind to a filesystem, there is even ReadAt [1]. But it is light on details, I was

I'm not interested in fuse here. Gvisor has fsgofer, which is a proxy of some kind to a filesystem, there is even ReadAt [1]. But it is light on details, I was curious how and to what extent it proxies filesystem API. [1] https://github.com/google/gvisor/blob/0c7d73b31ae5e7ba5068669306aefe5a7b559f92/runsc/fsgofer/fsgofer.go#L720 https://github.com/google/gvisor/blob/0c7d73b31ae5e7ba506866...