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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Sat, 1 Dec 2012 01:16:40 +0000 (UTC)
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Subject: svn commit: r243740 - stable/9/usr.sbin/mountd
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Author: rmacklem
Date: Sat Dec  1 01:16:40 2012
New Revision: 243740
URL: http://svnweb.freebsd.org/changeset/base/243740

Log:
  MFC: r241569
  Document the -S option added by r241568.

Modified:
  stable/9/usr.sbin/mountd/mountd.8
Directory Properties:
  stable/9/usr.sbin/mountd/   (props changed)

Modified: stable/9/usr.sbin/mountd/mountd.8
==============================================================================
--- stable/9/usr.sbin/mountd/mountd.8	Sat Dec  1 01:11:59 2012	(r243739)
+++ stable/9/usr.sbin/mountd/mountd.8	Sat Dec  1 01:16:40 2012	(r243740)
@@ -28,7 +28,7 @@
 .\"     @(#)mountd.8	8.4 (Berkeley) 4/28/95
 .\" $FreeBSD$
 .\"
-.Dd April 23, 2011
+.Dd October 14, 2012
 .Dt MOUNTD 8
 .Os
 .Sh NAME
@@ -38,7 +38,7 @@
 mount requests
 .Sh SYNOPSIS
 .Nm
-.Op Fl 2delnor
+.Op Fl 2delnorS
 .Op Fl h Ar bindip
 .Op Fl p Ar port
 .Op Ar exportsfile ...
@@ -131,6 +131,19 @@ flag.
 Specify an alternate location
 for the exports file.
 More than one exports file can be specified.
+.It Fl S
+Tell mountd to suspend/resume execution of the nfsd threads whenever
+the exports list is being reloaded.
+This avoids intermittent access
+errors for clients that do NFS RPCs while the exports are being
+reloaded, but introduces a delay in RPC response while the reload
+is in progress.
+If
+.Nm
+crashes while an exports load is in progress,
+.Nm
+must be restarted to get the nfsd threads running again, if this
+option is used.
 .El
 .Pp
 When