e2fsprogs: Add configuration section about mke2fs.conf

1 files changed, 27 insertions, 0 deletions

diff --git a/chapter08/e2fsprogs.xml b/chapter08/e2fsprogs.xml
index bccf33227..68cfffd69 100644
--- a/chapter08/e2fsprogs.xml
+++ b/chapter08/e2fsprogs.xml
@@ -134,6 +134,33 @@ install -v -m644 doc/com_err.info /usr/share/info
 install-info --dir-file=/usr/share/info/dir /usr/share/info/com_err.info</userinput></screen>
   </sect2>
 
+  <sect2 id="conf-e2fsprogs" role="configuration">
+    <title>Configuring E2fsprogs</title>
+
+    <indexterm zone="conf-e2fsprogs">
+      <primary sortas="e-/etc/mke2fs.conf">/etc/mke2fs.conf</primary>
+    </indexterm>
+
+    <para>
+      <filename>/etc/mke2fs.conf</filename> contains the default value of
+      various command line options of <command>mke2fs</command>.  You may
+      edit the file to make the default values suitable for your need.
+      For example, some utilities (not in LFS or BLFS) cannot recognize a
+      <systemitem class='filesystem'>ext4</systemitem> file system with
+      <literal>metadata_csum_seed</literal> feature enabled.
+      <emphasis role='bold'>If</emphasis> you need such an utility, you may
+      remove the feature from the default
+      <systemitem class='filesystem'>ext4</systemitem> feature list with the
+      command:
+    </para>
+
+    <screen role='nodump'><userinput>sed 's/metadata_csum_seed,//' -i /etc/mke2fs.conf</userinput></screen>
+
+    <para>
+      Read the man page <filename>mke2fs.conf(5)</filename> for details.
+    </para>
+  </sect2>
+
   <sect2 id="contents-e2fsprogs" role="content">
     <title>Contents of E2fsprogs</title>