コード例 #1
0
ファイル: nfsctl.c プロジェクト: amadews/j608_fly_4511
/*
 * A single 'fd' number was written, in which case it must be for
 * a socket of a supported family/protocol, and we use it as an
 * nfsd listener.
 */
static ssize_t __write_ports_addfd(char *buf, struct net *net)
{
	char *mesg = buf;
	int fd, err;

	err = get_int(&mesg, &fd);
	if (err != 0 || fd < 0)
		return -EINVAL;

	if (svc_alien_sock(net, fd)) {
		printk(KERN_ERR "%s: socket net is different to NFSd's one\n", __func__);
		return -EINVAL;
	}

	err = nfsd_create_serv(net);
	if (err != 0)
		return err;

	err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
	if (err < 0) {
		nfsd_destroy(net);
		return err;
	}

	/* Decrease the count, but don't shut down the service */
	nfsd_serv->sv_nrthreads--;
	return err;
}
コード例 #2
0
static ssize_t write_ports(struct file *file, char *buf, size_t size)
{
	if (size == 0) {
		int len = 0;
		lock_kernel();
		if (nfsd_serv)
			len = svc_sock_names(buf, nfsd_serv, NULL);
		unlock_kernel();
		return len;
	}
	/* Either a single 'fd' number is written, in which
	 * case it must be for a socket of a supported family/protocol,
	 * and we use it as an nfsd socket, or
	 * A '-' followed by the 'name' of a socket in which case
	 * we close the socket.
	 */
	if (isdigit(buf[0])) {
		char *mesg = buf;
		int fd;
		int err;
		err = get_int(&mesg, &fd);
		if (err)
			return -EINVAL;
		if (fd < 0)
			return -EINVAL;
		err = nfsd_create_serv();
		if (!err) {
			int proto = 0;
			err = svc_addsock(nfsd_serv, fd, buf, &proto);
			if (err >= 0) {
				err = lockd_up(proto);
				if (err < 0)
					svc_sock_names(buf+strlen(buf)+1, nfsd_serv, buf);
			}
			/* Decrease the count, but don't shutdown the
			 * the service
			 */
			lock_kernel();
			nfsd_serv->sv_nrthreads--;
			unlock_kernel();
		}
		return err < 0 ? err : 0;
	}
	if (buf[0] == '-') {
		char *toclose = kstrdup(buf+1, GFP_KERNEL);
		int len = 0;
		if (!toclose)
			return -ENOMEM;
		lock_kernel();
		if (nfsd_serv)
			len = svc_sock_names(buf, nfsd_serv, toclose);
		unlock_kernel();
		if (len >= 0)
			lockd_down();
		kfree(toclose);
		return len;
	}
	return -EINVAL;
}
コード例 #3
0
ファイル: nfsctl.c プロジェクト: mjduddin/B14CKB1RD_kernel_m8
static ssize_t __write_ports_addxprt(char *buf)
{
	char transport[16];
	struct svc_xprt *xprt;
	int port, err;
	struct net *net = &init_net;

	if (sscanf(buf, "%15s %4u", transport, &port) != 2)
		return -EINVAL;

	if (port < 1 || port > USHRT_MAX)
		return -EINVAL;

	err = nfsd_create_serv();
	if (err != 0)
		return err;

	err = svc_create_xprt(nfsd_serv, transport, net,
				PF_INET, port, SVC_SOCK_ANONYMOUS);
	if (err < 0)
		goto out_err;

	err = svc_create_xprt(nfsd_serv, transport, net,
				PF_INET6, port, SVC_SOCK_ANONYMOUS);
	if (err < 0 && err != -EAFNOSUPPORT)
		goto out_close;

	
	nfsd_serv->sv_nrthreads--;
	return 0;
out_close:
	xprt = svc_find_xprt(nfsd_serv, transport, net, PF_INET, port);
	if (xprt != NULL) {
		svc_close_xprt(xprt);
		svc_xprt_put(xprt);
	}
out_err:
	nfsd_destroy(net);
	return err;
}
コード例 #4
0
ファイル: nfsctl.c プロジェクト: CSCLOG/beaglebone
/*
 * A single 'fd' number was written, in which case it must be for
 * a socket of a supported family/protocol, and we use it as an
 * nfsd listener.
 */
static ssize_t __write_ports_addfd(char *buf)
{
	char *mesg = buf;
	int fd, err;

	err = get_int(&mesg, &fd);
	if (err != 0 || fd < 0)
		return -EINVAL;

	err = nfsd_create_serv();
	if (err != 0)
		return err;

	err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
	if (err < 0) {
		svc_destroy(nfsd_serv);
		return err;
	}

	/* Decrease the count, but don't shut down the service */
	nfsd_serv->sv_nrthreads--;
	return err;
}
コード例 #5
0
ファイル: nfsctl.c プロジェクト: mjduddin/B14CKB1RD_kernel_m8
/*
 * A single 'fd' number was written, in which case it must be for
 * a socket of a supported family/protocol, and we use it as an
 * nfsd listener.
 */
static ssize_t __write_ports_addfd(char *buf)
{
	char *mesg = buf;
	int fd, err;
	struct net *net = &init_net;

	err = get_int(&mesg, &fd);
	if (err != 0 || fd < 0)
		return -EINVAL;

	err = nfsd_create_serv();
	if (err != 0)
		return err;

	err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
	if (err < 0) {
		nfsd_destroy(net);
		return err;
	}

	
	nfsd_serv->sv_nrthreads--;
	return err;
}