ocfs2: use memalloc_nofs_save instead of memalloc_noio_save

	struct sockaddr_in myaddr = {0, }, remoteaddr = {0, };

	int ret = 0, stop;

	unsigned int timeout;

	unsigned int noio_flag;

	unsigned int nofs_flag;

	/*

	 * sock_create allocates the sock with GFP_KERNEL. We must set

	 * per-process flag PF_MEMALLOC_NOIO so that all allocations done

	 * by this process are done as if GFP_NOIO was specified. So we

	 * are not reentering filesystem while doing memory reclaim.

	 * sock_create allocates the sock with GFP_KERNEL. We must

	 * prevent the filesystem from being reentered by memory reclaim.

	 */

	noio_flag = memalloc_noio_save();

	nofs_flag = memalloc_nofs_save();

	/* if we're greater we initiate tx, otherwise we accept */

	if (o2nm_this_node() <= o2net_num_from_nn(nn))

		goto out;

	if (mynode)

		o2nm_node_put(mynode);

	memalloc_noio_restore(noio_flag);

	memalloc_nofs_restore(nofs_flag);

	return;

}

	struct o2nm_node *local_node = NULL;

	struct o2net_sock_container *sc = NULL;

	struct o2net_node *nn;

	unsigned int noio_flag;

	unsigned int nofs_flag;

	/*

	 * sock_create_lite allocates the sock with GFP_KERNEL. We must set

	 * per-process flag PF_MEMALLOC_NOIO so that all allocations done

	 * by this process are done as if GFP_NOIO was specified. So we

	 * are not reentering filesystem while doing memory reclaim.

	 * sock_create_lite allocates the sock with GFP_KERNEL. We must

	 * prevent the filesystem from being reentered by memory reclaim.

	 */

	noio_flag = memalloc_noio_save();

	nofs_flag = memalloc_nofs_save();

	BUG_ON(sock == NULL);

	*more = 0;

	if (sc)

		sc_put(sc);

	memalloc_noio_restore(noio_flag);

	memalloc_nofs_restore(nofs_flag);

	return ret;

}