in src/fs.rs [340:348]
fn getattr(&mut self, _req: &Request, inode: Inode, reply: ReplyAttr) {
debug!("Trying to getattr() on inode {}", inode);
if let Some(attr) = self.inode_to_attr.read().unwrap().get(&inode) {
reply.attr(&TTL_30s, &attr);
} else {
reply.error(ENOENT);
}
}