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-rw-r--r--nixos/doc/manual/release-notes/rl-unstable.xml17
1 files changed, 17 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-unstable.xml b/nixos/doc/manual/release-notes/rl-unstable.xml
index 3d7819803697..c814d61bcf4c 100644
--- a/nixos/doc/manual/release-notes/rl-unstable.xml
+++ b/nixos/doc/manual/release-notes/rl-unstable.xml
@@ -155,6 +155,23 @@ nginx.override {
     rights, new <literal>aliasFiles</literal> and <literal>mapFiles</literal>
     options and more.</para>
   </listitem>
+
+  <listitem>
+    <para>Filesystem options should now be configured as a list of strings, not
+    a comma-separated string. The old style will continue to work, but print a
+    warning, until the 16.09 release. An example of the new style:
+
+<programlisting>
+fileSystems."/example" = {
+  device = "/dev/sdc";
+  fsType = "btrfs";
+  options = [ "noatime" "compress=lzo" "space_cache" "autodefrag" ];
+};
+</programlisting>
+
+    </para>
+  </listitem>
+
 </itemizedlist>