-extern int find_kernel_nfs_mount_version(void);
-extern int probe_mntport(clnt_addr_t *);
-extern int nfs_gethostbyname(const char *, struct sockaddr_in *);
-
-static inline enum clnt_stat
-nfs_umount(dirpath *argp, CLIENT *clnt)
-{
- return clnt_call(clnt, MOUNTPROC_UMNT,
- (xdrproc_t) xdr_dirpath, (caddr_t)argp,
- (xdrproc_t) xdr_void, NULL,
- TIMEOUT);
-}
-
-int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
-{
- CLIENT *clnt;
- enum clnt_stat res = 0;
- int msock;
-
- switch (mnt_server->pmap.pm_vers) {
- case 3:
- case 2:
- case 1:
- if (!probe_mntport(mnt_server))
- goto out_bad;
- clnt = mnt_openclnt(mnt_server, &msock);
- if (!clnt)
- goto out_bad;
- res = nfs_umount(argp, clnt);
- mnt_closeclnt(clnt, msock);
- if (res == RPC_SUCCESS)
- return 1;
- break;
- default:
- res = 1;
- break;
- }
- out_bad:
- return res;
-}
-
-/* complain about a failed umount */
-static void complain(int err, const char *dev) {
- switch (err) {
- case ENXIO:
- nfs_error (_("umount: %s: invalid block device"), dev); break;
- case EINVAL:
- nfs_error (_("umount: %s: not mounted"), dev); break;
- case EIO:
- nfs_error (_("umount: %s: can't write superblock"), dev); break;
- case EBUSY:
- /* Let us hope fstab has a line "proc /proc ..."
- and not "none /proc ..."*/
- nfs_error (_("umount: %s: device is busy"), dev); break;
- case ENOENT:
- nfs_error (_("umount: %s: not found"), dev); break;
- case EPERM:
- nfs_error (_("umount: %s: must be superuser to umount"), dev); break;
- case EACCES:
- nfs_error (_("umount: %s: block devices not permitted on fs"), dev); break;
- default:
- nfs_error (_("umount: %s: %s"), dev, strerror (err)); break;
- }
-}
-
-int del_mtab(const char *spec, const char *node)