LUDOC-477 sec: fix kernel version for client encryption

For distros explicitly listed in the doc, we use the embedded fscrypt
lib that we have copied and included in the Lustre source tree,
because these distros have not backported fscrypt v2.

Fixes: 1791cdb ("LUDOC-477 sec: doc for client-side encryption")
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I325438d29b765120aa58187730c33e08f8a8e340
Reviewed-on: https://review.whamcloud.com/41046
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>

diff --git a/ManagingSecurity.xml b/ManagingSecurity.xml
index ae4ce51..99e8401 100644 (file)
--- a/ManagingSecurity.xml
+++ b/ManagingSecurity.xml
@@ -548,9 +548,11 @@ mgs# lctl set_param -P nodemap.restricted.sepol=1:mls:31:40afb76d077c441b69af58c
       Lustre sources, under the
       <literal>Documentation/client_side_encryption</literal> directory.
     </para>
-    <note><para>The client-side encryption feature is available on Lustre
-      clients running a Linux distribution with at least kernel 5.4, or have
-      backported the <literal>fscrypt</literal> v2 support, including:</para>
+    <note><para>The client-side encryption feature is available natively on
+      Lustre clients running a Linux distribution with at least kernel 5.4. It
+      is also available thanks to an additional kernel library provided by
+      Lustre, on clients that run a Linux distribution with basic support for
+      encryption, including:</para>
      <itemizedlist>
        <listitem><para>CentOS/RHEL 8.1 and later;</para></listitem>
        <listitem><para>Ubuntu 18.04 and later;</para></listitem>