static void nfs4_close_done(struct rpc_task *task, void *data)
{
	struct nfs4_closedata *calldata = data;
	struct nfs4_state *state = calldata->state;
	struct nfs_server *server = NFS_SERVER(calldata->inode);

	if (RPC_ASSASSINATED(task))
		return;
        /* hmm. we are done with the inode, and in the process of freeing
	 * the state_owner. we keep this around to process errors
	 */
	switch (task->tk_status) {
		case 0:
			nfs_set_open_stateid(state, &calldata->res.stateid, 0);
			renew_lease(server, calldata->timestamp);
			break;
		case -NFS4ERR_STALE_STATEID:
 		case -NFS4ERR_OLD_STATEID:
 		case -NFS4ERR_BAD_STATEID:
 		case -NFS4ERR_EXPIRED:
			if (calldata->arg.fmode == 0)
 				break;
 		default:
 			if (nfs4_async_handle_error(task, server, state) == -EAGAIN) {
				rpc_restart_call(task);
				return;
			}
	}
	nfs_refresh_inode(calldata->inode, calldata->res.fattr);
}

Unknown