Rick Macklem 4261923e76 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. Tested by: pho Reviewed by: kib MFC after: 2 weeks Relnotes: yes Differential Revision: https://reviews.freebsd.org/D11735		2017-07-29 20:08:25 +00:00
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Makefile	sbin: normalize paths using SRCTOP-relative paths or :H when possible	2017-03-04 11:33:01 +00:00
Makefile.depend	Add META_MODE support.	2015-06-13 19:20:56 +00:00
umount.8	Add a new "-N" option to umount(8), that does a forced dismount of an NFS mount	2017-07-29 20:08:25 +00:00
umount.c	Add a new "-N" option to umount(8), that does a forced dismount of an NFS mount	2017-07-29 20:08:25 +00:00