doc: Add links to disable-io-romio option

wckzhang · wckzhang · commit 404b95416b61 · 2023-03-03T13:55:44.000-08:00
Added links to other documents explaining ROMIO

Signed-off-by: William Zhang &lt;wilzhang@amazon.com&gt;
diff --git a/docs/installing-open-mpi/configure-cli-options/mpi.rst b/docs/installing-open-mpi/configure-cli-options/mpi.rst
@@ -75,7 +75,7 @@ MPI API behaviors that can be used with ``configure``:
   component
 
 * ``--disable-io-romio``:
-  Disable the ROMIO MPI-IO component
+  Disable the :ref:`ROMIO MPI-IO <romio-reference-label>` component
 
 * ``--with-io-romio-flags=FLAGS``:
   Pass ``FLAGS`` to the ROMIO distribution configuration script.  This
diff --git a/docs/mca.rst b/docs/mca.rst
@@ -68,6 +68,8 @@ The following *projects* exist in Open MPI |ompi_ver|:
           See :ref:`the role of PMIx and PRRTE
           <label-running-role-of-pmix-and-prte>` for more information.
 
+.. _label-mca-frameworks:
+
 Frameworks
 ^^^^^^^^^^
 
diff --git a/docs/tuning-apps/mpi-io/romio.rst b/docs/tuning-apps/mpi-io/romio.rst
@@ -1,6 +1,11 @@
+.. _romio-reference-label:
+
 ROMIO
 =====
 
 ROMIO is an implementation of the MPI I/O functions defined in version
 two of the Message Passing Interface specification.  It has been
 ported over to Open MPI from `MPICH <https://mpich.org/>`_.
+
+It is utilized through the romio341 component as an implementation of
+the io :ref:`framework <label-mca-frameworks>`
