libudev: rescan devices when filter is updated

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

diff --git a/man/crypttab.xml b/man/crypttab.xml
index dc43257d4ed4336077fa2d5ad9b94bafbd9e703a..5eb1c12232c784a554362e3908a27f3bed7fdbe4 100644 (file)
--- a/man/crypttab.xml
+++ b/man/crypttab.xml
@@ -1,52 +1,20 @@
 <?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+
 
-  This file is part of systemd.
-
-  Copyright 2012 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-
   This is based on crypttab(5) from Fedora's initscripts package, which in
   turn is based on Debian's version.
 
   The Red Hat version has been written by Miloslav Trmac <mitr@redhat.com>.
-
 -->
 <refentry id="crypttab" conditional='HAVE_LIBCRYPTSETUP'>
 
   <refentryinfo>
     <title>crypttab</title>
     <productname>systemd</productname>
-
-    <authorgroup>
-      <author>
-        <contrib>Documentation</contrib>
-        <firstname>Miloslav</firstname>
-        <surname>Trmac</surname>
-        <email>mitr@redhat.com</email>
-      </author>
-      <author>
-        <contrib>Documentation</contrib>
-        <firstname>Lennart</firstname>
-        <surname>Poettering</surname>
-        <email>lennart@poettering.net</email>
-      </author>
-    </authorgroup>
   </refentryinfo>
 
   <refmeta>
@@ -257,6 +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>
 
@@ -283,6 +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>