diff --git a/fedora_repository.module b/fedora_repository.module
index 1a980368..4c3acb91 100644
--- a/fedora_repository.module
+++ b/fedora_repository.module
@@ -2217,7 +2217,9 @@ function _is_added_to_basket($pid, $account = NULL) {
 
 /**
  * fedora repository display schema
+ *
  * @param type $file
+ *
  * @return type
  */
 function fedora_repository_display_schema($file) {
@@ -2236,14 +2238,20 @@ function fedora_repository_display_schema($file) {
  *
  * @param array $object
  *   An array defining an object to ingest.
- * @param type $context
- * @return type
+ * @param string $module_name
+ *   The string needed in the finished callback to be
+ *   sent out in the postprocess hook.
+ * @param array $context
+ *   Variables shared between batch iterations
+ *   and finished callback
  */
-function fedora_repository_batch_reingest_object($object, &$context) {
+function fedora_repository_batch_reingest_object($object, $module_name, &$context) {
 
   module_load_include('inc', 'fedora_repository', 'api/fedora_item');
   module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
 
+  $context['results']['module_name'] = $module_name;
+
   if (!empty($object) && is_array($object)) {
     $pid = $object['pid'];
     if (!valid_pid($pid)) {
@@ -2316,8 +2324,8 @@ function fedora_repository_batch_reingest_object($object, &$context) {
 function fedora_repository_solutionpack_send_postprocess($success, $results, $operations) {
   // Hook to let solution pack objects be modified.
   // Not using module_invoke so solution packs can be expanded by other modules.
-  if($success) {
-    module_invoke_all('postprocess_solution_pack', $_SESSION['solution_pack_module_name']);
+  if ($success) {
+    module_invoke_all('postprocess_solution_pack', $results['module_name']);
   }
 }
 
@@ -2341,7 +2349,7 @@ function fedora_repository_get_islandora_datastream_version($item = NULL, $dsid
     $doc = simplexml_load_file($datastream_file);
   }
 
-  if (!empty($doc) && $version = (int)$doc->attributes()->version) {
+  if (!empty($doc) && $version = (int) $doc->attributes()->version) {
     $return = $version;
   }
 
@@ -2350,7 +2358,9 @@ function fedora_repository_get_islandora_datastream_version($item = NULL, $dsid
 
 /**
  * theme fedora repository solution pack list
+ *
  * @param type $solution_packs
+ *
  * @return string
  */
 function theme_fedora_repository_solution_packs_list($solution_packs) {
@@ -2365,8 +2375,10 @@ function theme_fedora_repository_solution_packs_list($solution_packs) {
 }
 
 /**
- * Implementation of hook_forms()
+ * Implements hook_forms()
+ *
  * @param string $form_id
+ *
  * @return array
  */
 function fedora_repository_forms($form_id) {
@@ -2380,7 +2392,7 @@ function fedora_repository_forms($form_id) {
 }
 
 /**
- * Implementation of hook_imagecache_default_presets().
+ * Implements hook_imagecache_default_presets().
  */
 function fedora_repository_imagecache_default_presets() {
   return array(
diff --git a/fedora_repository.solutionpacks.inc b/fedora_repository.solutionpacks.inc
index 0951a799..6a5129a0 100644
--- a/fedora_repository.solutionpacks.inc
+++ b/fedora_repository.solutionpacks.inc
@@ -58,8 +58,10 @@ function fedora_repository_solution_packs_page() {
  * some objects are missing.
  *
  * @param array &$form_state
- * @param array $solution_pack_module
- * @param array $solution_pack_name
+ * @param unknown $solution_pack_module
+ * @param string $solution_pack_name
+ * @param array $objects
+ *   Defaults to an empty array.
  */
 function fedora_repository_solution_pack_form(&$form_state, $solution_pack_module, $solution_pack_name, $objects = array()) {
 
@@ -200,12 +202,10 @@ function fedora_repository_solution_pack_form_submit($form, &$form_state) {
 
   foreach ($solution_pack_info[$module_name]['objects'] as $object) {
     // Add this object to the batch job queue.
-    $batch['operations'][] = array('fedora_repository_batch_reingest_object', array($object));
+    // Module name is needed in the finished callback.
+    $batch['operations'][] = array('fedora_repository_batch_reingest_object', array($object, $module_name));
   }
 
-  // Used in postprocess hook.
-  $_SESSION['solution_pack_module_name'] = $module_name;
-
   // Tell the batch to call the function to send out a postprocess hook.
   $batch['finished'] = 'fedora_repository_solutionpack_send_postprocess';
 
@@ -216,8 +216,10 @@ function fedora_repository_solution_pack_form_submit($form, &$form_state) {
 /**
  * Writes a form entry into the database.
  *
- * @param unknown_type $form_name
+ * @param string $form_name
+ *   The name of the form.
  * @param unknown_type $form_xml
+ *   The form definition.
  */
 function solution_pack_add_form($form_name, $form_xml) {
   $result = db_result(db_query('Select name from {xml_forms} where name = "%s"', $form_name));
@@ -233,8 +235,10 @@ function solution_pack_add_form($form_name, $form_xml) {
 /**
  * Writes a form association to the database
  *
- * @param unknown_type $content_model
- * @param unknown_type $form_name
+ * @param string $content_model
+ *   content model PID
+ * @param string $form_name
+ *   Name of the form
  */
 function solution_pack_add_form_association($content_model, $form_name) {
   $result = db_result(db_query('Select content_model from {islandora_content_model_forms} where  content_model = "%s" and form_name = "%s"',