Date: Tue, 31 May 2011 18:27:18 +0000 (UTC) From: Rick Macklem <rmacklem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222541 - head/sbin/umount Message-ID: <201105311827.p4VIRIOX035206@svn.freebsd.org>
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Author: rmacklem Date: Tue May 31 18:27:18 2011 New Revision: 222541 URL: http://svn.freebsd.org/changeset/base/222541 Log: Add a sentence to the umount.8 man page to clarify the behaviour for forced dismount when used on an NFS mount point. Requested by Jeremy Chadwick. This is a content change. MFC after: 2 weeks Modified: head/sbin/umount/umount.8 Modified: head/sbin/umount/umount.8 ============================================================================== --- head/sbin/umount/umount.8 Tue May 31 17:43:25 2011 (r222540) +++ head/sbin/umount/umount.8 Tue May 31 18:27:18 2011 (r222541) @@ -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.
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