asmlinkage int sunos_nfs_mount(char *dir_name, int linux_flags, void *data)
{
int ret = -ENODEV, error;
int server_fd;
char *the_name;
struct nfs_mount_data linux_nfs_mount;
struct sunos_nfs_mount_args *sunos_mount = data;
dev_t dev;
error = verify_area(VERIFY_READ, data, sizeof (struct sunos_nfs_mount_args));
if (error)
return error;
/* Ok, here comes the fun part: Linux's nfs mount needs a
* socket connection to the server, but SunOS mount does not
* require this, so we use the information on the destination
* address to create a socket and bind it to a reserved
* port on this system
*/
server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (server_fd < 0)
return -ENXIO;
if (!sunos_nfs_get_server_fd (server_fd, sunos_mount->addr)){
sys_close (server_fd);
return -ENXIO;
}
/* Now, bind it to a locally reserved port */
linux_nfs_mount.version = NFS_MOUNT_VERSION;
linux_nfs_mount.flags = sunos_mount->flags;
linux_nfs_mount.addr = *sunos_mount->addr;
linux_nfs_mount.root = *sunos_mount->fh;
linux_nfs_mount.fd = server_fd;
linux_nfs_mount.rsize = get_default (sunos_mount->rsize, 8192);
linux_nfs_mount.wsize = get_default (sunos_mount->wsize, 8192);
linux_nfs_mount.timeo = get_default (sunos_mount->timeo, 10);
linux_nfs_mount.retrans = sunos_mount->retrans;
linux_nfs_mount.acregmin = sunos_mount->acregmin;
linux_nfs_mount.acregmax = sunos_mount->acregmax;
linux_nfs_mount.acdirmin = sunos_mount->acdirmin;
linux_nfs_mount.acdirmax = sunos_mount->acdirmax;
if (getname (sunos_mount->hostname, &the_name))
return -EFAULT;
strncpy (linux_nfs_mount.hostname, the_name, 254);
linux_nfs_mount.hostname [255] = 0;
putname (the_name);
dev = get_unnamed_dev ();
ret = do_mount (dev, "", dir_name, "nfs", linux_flags, &linux_nfs_mount);
if (ret)
put_unnamed_dev(dev);
return ret;
}
/* XXXXXXXXXXXXXXXXXXXX */
static int sunos_nfs_mount(char *dir_name, int linux_flags, void *data)
{
int server_fd;
char *the_name;
struct nfs_mount_data linux_nfs_mount;
struct sunos_nfs_mount_args sunos_mount;
/* Ok, here comes the fun part: Linux's nfs mount needs a
* socket connection to the server, but SunOS mount does not
* require this, so we use the information on the destination
* address to create a socket and bind it to a reserved
* port on this system
*/
if (copy_from_user(&sunos_mount, data, sizeof(sunos_mount)))
return -EFAULT;
server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (server_fd < 0)
return -ENXIO;
if (copy_from_user(&linux_nfs_mount.addr,sunos_mount.addr,
sizeof(*sunos_mount.addr)) ||
copy_from_user(&linux_nfs_mount.root,sunos_mount.fh,
sizeof(*sunos_mount.fh))) {
sys_close (server_fd);
return -EFAULT;
}
if (!sunos_nfs_get_server_fd (server_fd, &linux_nfs_mount.addr)){
sys_close (server_fd);
return -ENXIO;
}
/* Now, bind it to a locally reserved port */
linux_nfs_mount.version = NFS_MOUNT_VERSION;
linux_nfs_mount.flags = sunos_mount.flags;
linux_nfs_mount.fd = server_fd;
linux_nfs_mount.rsize = get_default (sunos_mount.rsize, 8192);
linux_nfs_mount.wsize = get_default (sunos_mount.wsize, 8192);
linux_nfs_mount.timeo = get_default (sunos_mount.timeo, 10);
linux_nfs_mount.retrans = sunos_mount.retrans;
linux_nfs_mount.acregmin = sunos_mount.acregmin;
linux_nfs_mount.acregmax = sunos_mount.acregmax;
linux_nfs_mount.acdirmin = sunos_mount.acdirmin;
linux_nfs_mount.acdirmax = sunos_mount.acdirmax;
the_name = getname(sunos_mount.hostname);
if(IS_ERR(the_name))
return PTR_ERR(the_name);
strlcpy(linux_nfs_mount.hostname, the_name,
sizeof(linux_nfs_mount.hostname));
putname (the_name);
return do_mount ("", dir_name, "nfs", linux_flags, &linux_nfs_mount);
}
