Require nbdkit 1.8.1.

[libguestfs-talks.git] / 2019-fosdem / 6400-plugins-shell-2.html

diff --git a/2019-fosdem/6400-plugins-shell-2.html b/2019-fosdem/6400-plugins-shell-2.html
index 5c2e981..416fa45 100644 (file)
--- a/2019-fosdem/6400-plugins-shell-2.html
+++ b/2019-fosdem/6400-plugins-shell-2.html
@@ -16,8 +16,11 @@ We only need to write a few callbacks ...
 <li> <code>get_size</code>
 <li> <code>pread</code>
 <li> <code>pwrite</code>
+<li> <code>trim</code>
+<li> <code>zero</code>
 </ul>
 
 <p>
-Almost all callbacks are optional.
+Only <code>get_size</code> and <code>pread</code> are
+mandatory for shell script plugins.
 </p>