On 17:40 Thu 06 Feb , Uwe Kleine-K??nig wrote:
> This allows to use unfs3 on the server side which doesn't integrate into
> portmap/rpcbind which results in the port not being impossible to lookup
> via rpc calls to the portmap program.
>
> Use it like:
>
> mount -t nfs -o port=2703,mountport=2703 192.168.77.157:/root /mnt/nfs
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
> fs/nfs.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++-----------
> 1 file changed, 51 insertions(+), 11 deletions(-)
>
> diff --git a/fs/nfs.c b/fs/nfs.c
> index 8eec63078dd3..50b3744b4551 100644
> --- a/fs/nfs.c
> +++ b/fs/nfs.c
> @@ -1305,6 +1305,38 @@ static int nfs_stat(struct device_d *dev, const char *filename, struct stat *s)
> }
> }
>
> +static void parseopt_hu(const char *options, const char *opt,
> + unsigned short *val)
> +{
> + const char *start;
> + size_t optlen = strlen(opt);
> + ulong v;
> + char *endp;
> +
> +again:
> + start = strstr(options, opt);
> +
> + if (!start)
> + return;
> +
> + if (start > options && start[-1] != ',') {
> + options = start;
> + goto again;
> + }
> +
> + if (start[optlen] != '=') {
> + options = start;
> + goto again;
> + }
> +
> + v = simple_strtoul(start + optlen + 1, &endp, 0);
> + if (v > USHORT_MAX)
> + return;
> +
> + if (*endp == ',' || *endp == '\0')
> + *val = v;
> +}
this should be global
> +
> static int nfs_probe(struct device_d *dev)
> {
> struct fs_device_d *fsdev = dev_to_fs_device(dev);
> @@ -1340,19 +1372,27 @@ static int nfs_probe(struct device_d *dev)
> /* Need a priviliged source port */
> net_udp_bind(npriv->con, 1000);
>
> - ret = rpc_lookup_req(npriv, PROG_MOUNT, 1);
> - if (ret < 0) {
> - printf("lookup mount port failed with %d\n", ret);
> - goto err2;
> + parseopt_hu(fsdev->options, "mountport", &npriv->mount_port);
> + if (!npriv->mount_port) {
> + ret = rpc_lookup_req(npriv, PROG_MOUNT, 1);
> + if (ret < 0) {
> + printf("lookup mount port failed with %d\n", ret);
> + goto err2;
> + }
> + npriv->mount_port = ret;
> }
> - npriv->mount_port = ret;
> -
> - ret = rpc_lookup_req(npriv, PROG_NFS, 3);
> - if (ret < 0) {
> - printf("lookup nfs port failed with %d\n", ret);
> - goto err2;
> + debug("mount port: %hu\n", npriv->mount_port);
> +
> + parseopt_hu(fsdev->options, "port", &npriv->nfs_port);
> + if (!npriv->nfs_port) {
> + ret = rpc_lookup_req(npriv, PROG_NFS, 3);
> + if (ret < 0) {
> + printf("lookup nfs port failed with %d\n", ret);
> + goto err2;
> + }
> + npriv->nfs_port = ret;
> }
> - npriv->nfs_port = ret;
> + debug("nfs port: %d\n", npriv->nfs_port);
>
> ret = nfs_mount_req(npriv);
> if (ret) {
> --
> 1.8.5.2
>
>
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