doc: document new storage volume/pool types

Add qed for dirfs pool.
Add ocfs2 for disk pool.
Add lvm2 for disk and logical pool.
Add cifs and glusterfs for netfs pool.

Note: POOL_DISK_LVM2 can not be created by "parted mklabel", but is only
returned from auto-detection on disk pools.
Signed-off-by: NPhilipp Hahn <hahn@univention.de>

docs/storage.html.in

@@ -153,6 +153,7 @@
       <li><code>iso</code>: CDROM disk image format</li>
       <li><code>qcow</code>: QEMU v1 disk image format</li>
       <li><code>qcow2</code>: QEMU v2 disk image format</li>
+      <li><code>qed</code>: QEMU Enhanced Disk image format</li>
       <li><code>vmdk</code>: VMWare disk image format</li>
       <li><code>vpc</code>: VirtualPC disk image format</li>
     </ul>
@@ -229,6 +230,9 @@
       <li>
         <code>xfs</code>
       </li>
+      <li>
+        <code>ocfs2</code>
+      </li>
     </ul>
 
     <h3>Valid volume format types</h3>
@@ -269,6 +273,12 @@
       <li>
         <code>nfs</code>
       </li>
+      <li>
+        <code>glusterfs</code>
+      </li>
+      <li>
+        <code>cifs</code>
+      </li>
     </ul>
 
     <h3>Valid volume format types</h3>
@@ -304,8 +314,14 @@
 
     <h3>Valid pool format types</h3>
     <p>
-      The logical volume pool does not use the pool format type element.
+      The logical volume pool supports the following formats:
     </p>
+    <ul>
+      <li><code>auto</code> - automatically determine format</li>
+      <li>
+        <code>lvm2</code>
+      </li>
+    </ul>
 
     <h3>Valid volume format types</h3>
     <p>
@@ -361,6 +377,9 @@
       <li>
         <code>sun</code>
       </li>
+      <li>
+        <code>lvm2</code>
+      </li>
     </ul>
     <p>
       The <code>dos</code> or <code>gpt</code> formats are recommended for