From fb0dfe47872ecabb12da98da7847983c56934f09 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Mon, 16 May 2011 13:30:26 +0200
Subject: [PATCH] s3: Document gpfs:syncio

Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Mon May 16 15:00:40 CEST 2011 on sn-devel-104
(cherry picked from commit 3358d5a7cae1c2a99495c38069531fc87fe22b24)
(cherry picked from commit 40d20d13e78868e312201ba4345730fd6ab36b41)
---
 docs-xml/manpages-3/vfs_gpfs.8.xml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/docs-xml/manpages-3/vfs_gpfs.8.xml b/docs-xml/manpages-3/vfs_gpfs.8.xml
index 5f89ffac779..a6b31240eea 100644
--- a/docs-xml/manpages-3/vfs_gpfs.8.xml
+++ b/docs-xml/manpages-3/vfs_gpfs.8.xml
@@ -276,6 +276,26 @@
 		</listitem>
 		</varlistentry>
 
+		<varlistentry>
+		<term>gpfs:syncio = [yes|no]</term>
+		<listitem>
+		<para>This parameter makes Samba open all files with O_SYNC.
+		  This triggers optimizations in GPFS for workloads that
+		  heavily share files.</para>
+
+		<para>Following is the behaviour of Samba for different
+		  values:
+		</para>
+		<itemizedlist>
+		<listitem><para><command>yes</command>Open files with O_SYNC
+		</para></listitem>
+		<listitem><para><command>no (default)</command>Open files as
+		    normal Samba would do
+		</para></listitem>
+		</itemizedlist>
+		</listitem>
+		</varlistentry>
+
 	</variablelist>
 </refsect1>
 
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