rem: if (!r)
add: if (!reenter)
context: rootfs_get_vnode(fs_cookie _fs, vnode_id id, fs_vnode *v, bool r){	struct rootfs *fs = (struct rootfs *)_fs;	TRACE(("rootfs_getvnode: asking for vnode 0x%x 0x%x, r %d\n", id, r));	if (!r)		mutex_lock(&fs->lock);	*v = hash_lookup(fs->vnode_list_hash, &id);	if (!r)		mutex_unlock(&fs->lock);	TRACE(("rootfs_getnvnode: looked it up at 0x%x\n", *v));	if (*v)		return B_NO_ERROR;	return ENOENT;}