K 10 svn:author V 8 rmacklem K 8 svn:date V 27 2017-08-25T22:58:54.017046Z K 7 svn:log V 571 MFC: r321689 Add a new "-N" option to umount(8), that does a forced dismount of an NFS mount point. The new "-N" option does a forced dismount of an NFS mount point, but avoids doing any checking of the mounted-on path, so that it will not get hung when a vnode lock is held by another hung process on the mounted-on vnode. The most common case of this is a "umount" with the "-f" option. Other than avoiding checking the mounted-on path, it performs the same forced dismount as a successful "umount -f" would do. This commit includes a content change to the man page. END