rem: rootfs_unlink(fs_cookie _fs, fs_vnode _dir, const char *name)
add: rootfs_unlink(fs_volume _fs, fs_vnode _dir, const char *name)
context: rootfs_unlink(fs_cookie _fs, fs_vnode _dir, const char *name){	struct rootfs *fs = _fs;	struct rootfs_vnode *dir = _dir;	TRACE(("rootfs_unlink: dir %p (0x%Lx), name '%s'\n", dir, dir->id, name));	return rootfs_remove(fs, dir, name, false);}