[gvfs] Fix deadlock in MetaTree

[Alexander Larsson <alexl src gnome org>]

commit 5fb558770f0a3f3c7d277855700e6812c01a9762
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Jun 23 20:52:34 2009 +0200

    Fix deadlock in MetaTree
    
    meta_tree_refresh calls meta_tree_init which may call
    meta_tree_refresh, which can deadlock due to the writer lock. Call
    meta_tree_refresh_locked instead.

 metadata/metatree.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/metadata/metatree.c b/metadata/metatree.c
index 9664fa8..0f66893 100644
--- a/metadata/metatree.c
+++ b/metadata/metatree.c
@@ -170,6 +170,7 @@ struct _MetaTree {
   MetaJournal *journal;
 };
 
+static void         meta_tree_refresh_locked   (MetaTree    *tree);
 static MetaJournal *meta_journal_open          (MetaTree    *tree,
 						const char  *filename,
 						gboolean     for_write,
@@ -504,7 +505,7 @@ meta_tree_init (MetaTree *tree)
      journal. However we can detect this case by looking at the tree and see
      if its been rotated, we do this to ensure we have an uptodate tree+journal
      combo. */
-  meta_tree_refresh (tree);
+  meta_tree_refresh_locked (tree);
 
   return TRUE;