[JFFS2] Simplify the tree insert code.

It isn't _normal_ that we allow key collision in rbtrees,
but it does not matter as long as the two nodes with the same
version are together.

Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c
index be38cc5..c7bbdee 100644 (file)
--- a/fs/jffs2/nodelist.c
+++ b/fs/jffs2/nodelist.c
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: nodelist.c,v 1.95 2005/07/05 21:03:07 dwmw2 Exp $
+ * $Id: nodelist.c,v 1.97 2005/07/06 15:18:41 dwmw2 Exp $
  *
  */
 
@@ -69,12 +69,11 @@ static void jffs2_add_tn_to_list(struct jffs2_tmp_dnode_info *tn, struct rb_root
                parent = *p;
                this = rb_entry(parent, struct jffs2_tmp_dnode_info, rb);
 
+               /* There may actually be a collision here, but it doesn't
+                  actually matter. As long as the two nodes with the same
+                  version are together, it's all fine. */
                if (tn->version < this->version)
                        p = &(*p)->rb_left;
-               else if (tn->version > this->version)
-                       p = &(*p)->rb_right;
-               else if (tn < this)
-                       p = &(*p)->rb_left;
                else
                        p = &(*p)->rb_right;
         }