man: document default HibernateDelaySec= setting

[thirdparty/systemd.git] / man / crypttab.xml

diff --git a/man/crypttab.xml b/man/crypttab.xml
index dcaf03d2ca43b2b537f0fb837641b66264f20ec9..5eb1c12232c784a554362e3908a27f3bed7fdbe4 100644 (file)
--- a/man/crypttab.xml
+++ b/man/crypttab.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
   SPDX-License-Identifier: LGPL-2.1+
 
@@ -224,6 +225,26 @@
         mode.</para></listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><option>same-cpu-crypt</option></term>
+
+        <listitem><para>Perform encryption using the same cpu that IO was submitted on. The default is to use
+        an unbound workqueue so that encryption work is automatically balanced between available CPUs.</para>
+        <para>This requires kernel 4.0 or newer.</para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><option>submit-from-crypt-cpus</option></term>
+
+        <listitem><para>Disable offloading writes to a separate thread after encryption. There are some
+        situations where offloading write bios from the encryption threads to a single thread degrades
+        performance significantly. The default is to offload write bios to the same thread because it benefits
+        CFQ to have writes submitted using the same context.</para>
+        <para>This requires kernel 4.0 or newer.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><option>skip=</option></term>
 
@@ -250,6 +271,15 @@
         option.</para></listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><option>sector-size=</option></term>
+
+        <listitem><para>Specifies the sector size in bytes. See
+        <citerefentry project='die-net'><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+        for possible values and the default value of this
+        option.</para></listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><option>swap</option></term>