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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Mon, 15 Oct 2012 00:24:24 +0000 (UTC)
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Subject: svn commit: r241569 - head/usr.sbin/mountd
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Author: rmacklem
Date: Mon Oct 15 00:24:23 2012
New Revision: 241569
URL: http://svn.freebsd.org/changeset/base/241569

Log:
  Add a description for the '-S' option to the mountd man page.
  This is a content change.
  
  Reviewed by:	kib
  MFC after:	2 weeks

Modified:
  head/usr.sbin/mountd/mountd.8

Modified: head/usr.sbin/mountd/mountd.8
==============================================================================
--- head/usr.sbin/mountd/mountd.8	Mon Oct 15 00:17:16 2012	(r241568)
+++ head/usr.sbin/mountd/mountd.8	Mon Oct 15 00:24:23 2012	(r241569)
@@ -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