b=18857

[fs/lustre-release.git] / lustre / ldlm / interval_tree.c

diff --git a/lustre/ldlm/interval_tree.c b/lustre/ldlm/interval_tree.c
index 680d238..60dcbeb 100644 (file)
--- a/lustre/ldlm/interval_tree.c
+++ b/lustre/ldlm/interval_tree.c
@@ -16,8 +16,8 @@
  * in the LICENSE file that accompanied this code).
  *
  * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
@@ -389,6 +389,7 @@ struct interval_node *interval_insert(struct interval_node *node,
         struct interval_node **p, *parent = NULL;
         ENTRY;
 
+        LASSERT(!interval_is_intree(node));
         p = root;
         while (*p) {
                 parent = *p;
@@ -412,6 +413,7 @@ struct interval_node *interval_insert(struct interval_node *node,
         *p = node;
 
         interval_insert_color(node, root);
+        node->in_intree = 1;
 
         RETURN(NULL);
 }
@@ -527,6 +529,8 @@ void interval_erase(struct interval_node *node,
         int color;
         ENTRY;
 
+        LASSERT(interval_is_intree(node));
+        node->in_intree = 0;
         if (!node->in_left) {
                 child = node->in_right;
         } else if (!node->in_right) {