[evolution-data-server] Remove CAMEL_FOLDER_SUMMARY_REF_LOCK.

[Matthew Barnes <mbarnes src gnome org>]

commit 5a9def6f80bf32f2ade9480859ceb3ef83e063f4
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Sep 16 10:26:04 2013 -0400

    Remove CAMEL_FOLDER_SUMMARY_REF_LOCK.
    
    No longer used, reference counting operations are now atomic.

 camel/camel-folder-summary.c |   13 -------------
 camel/camel-folder-summary.h |    1 -
 2 files changed, 0 insertions(+), 14 deletions(-)
---
diff --git a/camel/camel-folder-summary.c b/camel/camel-folder-summary.c
index 72033ac..9433411 100644
--- a/camel/camel-folder-summary.c
+++ b/camel/camel-folder-summary.c
@@ -84,7 +84,6 @@ struct _CamelFolderSummaryPrivate {
        GRecMutex io_lock;      /* load/save lock, for access to saved_count, etc */
        GRecMutex filter_lock;  /* for accessing any of the filtering/indexing stuff, since we share them */
        GRecMutex alloc_lock;   /* for setting up and using allocators */
-       GRecMutex ref_lock;     /* for reffing/unreffing messageinfo's ALWAYS obtain before summary_lock */
 
        gboolean need_preview;
        GHashTable *preview_updates;
@@ -182,9 +181,7 @@ remove_all_loaded (CamelFolderSummary *summary)
 
        camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_SUMMARY_LOCK);
 
-       camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_REF_LOCK);
        g_hash_table_foreach_remove (summary->priv->loaded_infos, remove_each_item, &to_remove_infos);
-       camel_folder_summary_unlock (summary, CAMEL_FOLDER_SUMMARY_REF_LOCK);
 
        g_slist_foreach (to_remove_infos, (GFunc) camel_message_info_free, NULL);
        g_slist_free (to_remove_infos);
@@ -252,7 +249,6 @@ folder_summary_finalize (GObject *object)
        g_rec_mutex_clear (&priv->io_lock);
        g_rec_mutex_clear (&priv->filter_lock);
        g_rec_mutex_clear (&priv->alloc_lock);
-       g_rec_mutex_clear (&priv->ref_lock);
 
        /* Chain up to parent's finalize() method. */
        G_OBJECT_CLASS (camel_folder_summary_parent_class)->finalize (object);
@@ -1354,7 +1350,6 @@ camel_folder_summary_init (CamelFolderSummary *summary)
        g_rec_mutex_init (&summary->priv->io_lock);
        g_rec_mutex_init (&summary->priv->filter_lock);
        g_rec_mutex_init (&summary->priv->alloc_lock);
-       g_rec_mutex_init (&summary->priv->ref_lock);
 
        summary->priv->cache_load_time = 0;
        summary->priv->timeout_handle = 0;
@@ -2060,9 +2055,7 @@ remove_cache (CamelSession *session,
 
        camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_SUMMARY_LOCK);
 
-       camel_folder_summary_lock (summary, CAMEL_FOLDER_SUMMARY_REF_LOCK);
        g_hash_table_foreach_remove (summary->priv->loaded_infos, (GHRFunc) remove_item, &to_remove_infos);
-       camel_folder_summary_unlock (summary, CAMEL_FOLDER_SUMMARY_REF_LOCK);
 
        g_slist_foreach (to_remove_infos, (GFunc) camel_message_info_free, NULL);
        g_slist_free (to_remove_infos);
@@ -4811,9 +4804,6 @@ camel_folder_summary_lock (CamelFolderSummary *summary,
                case CAMEL_FOLDER_SUMMARY_ALLOC_LOCK:
                        g_rec_mutex_lock (&summary->priv->alloc_lock);
                        break;
-               case CAMEL_FOLDER_SUMMARY_REF_LOCK:
-                       g_rec_mutex_lock (&summary->priv->ref_lock);
-                       break;
                default:
                        g_return_if_reached ();
        }
@@ -4847,9 +4837,6 @@ camel_folder_summary_unlock (CamelFolderSummary *summary,
                case CAMEL_FOLDER_SUMMARY_ALLOC_LOCK:
                        g_rec_mutex_unlock (&summary->priv->alloc_lock);
                        break;
-               case CAMEL_FOLDER_SUMMARY_REF_LOCK:
-                       g_rec_mutex_unlock (&summary->priv->ref_lock);
-                       break;
                default:
                        g_return_if_reached ();
        }
diff --git a/camel/camel-folder-summary.h b/camel/camel-folder-summary.h
index 09aa078..e5f3131 100644
--- a/camel/camel-folder-summary.h
+++ b/camel/camel-folder-summary.h
@@ -235,7 +235,6 @@ typedef enum _CamelFolderSummaryLock {
        CAMEL_FOLDER_SUMMARY_IO_LOCK,
        CAMEL_FOLDER_SUMMARY_FILTER_LOCK,
        CAMEL_FOLDER_SUMMARY_ALLOC_LOCK,
-       CAMEL_FOLDER_SUMMARY_REF_LOCK
 } CamelFolderSummaryLock;
 
 struct _CamelFolderSummary {