svn commit: r223159 - stable/8/sbin/umount

[Rick Macklem]

Author: rmacklem
Date: Thu Jun 16 19:47:56 2011
New Revision: 223159
URL: http://svn.freebsd.org/changeset/base/223159

Log:
  MFC: r222541
  Add a sentence to the umount.8 man page to clarify the behaviour
  for forced dismount when used on an NFS mount point.
  This is a content change.

Modified:
  stable/8/sbin/umount/umount.8
Directory Properties:
  stable/8/sbin/umount/   (props changed)

Modified: stable/8/sbin/umount/umount.8
==============================================================================
--- stable/8/sbin/umount/umount.8	Thu Jun 16 19:42:03 2011	(r223158)
+++ stable/8/sbin/umount/umount.8	Thu Jun 16 19:47:56 2011	(r223159)
@@ -28,7 +28,7 @@
 .\"     @(#)umount.8	8.2 (Berkeley) 5/8/95
 .\" $FreeBSD$
 .\"
-.Dd July 18, 2003
+.Dd May 31, 2011
 .Dt UMOUNT 8
 .Os
 .Sh NAME
@@ -78,6 +78,9 @@ The file system is forcibly unmounted.
 Active special devices continue to work,
 but all other files return errors if further accesses are attempted.
 The root file system cannot be forcibly unmounted.
+For NFS, a forced dismount can take up to 1 minute or more to
+complete against an unresponsive server and may throw away
+data not yet written to the server for this case.
 .It Fl h Ar host
 Only file systems mounted from the specified host will be
 unmounted.