Method opendir

fs/subfs.cpp:174–178

            return underlayfs->lchown(path, owner, group);
        }
        virtual DIR* opendir(const char *path) override
        {
            PathCat __(this, path);
            return underlayfs->opendir(path);
        }
        virtual int stat(const char *path, struct stat *buf) override
        {
            PathCat __(this, path);