1 files changed, 50 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 81e01bf6108..716f002b106 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -4016,3 +4016,53 @@ _unmask_cancellation (void)
 {
         (void) pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL);
 }
+
+/* This is a wrapper function to add a pointer to a list,
+ *  * which doesn't contain list member
+ *   */
+struct list_node*
+_list_node_add (void *ptr, struct list_head *list,
+               int (*compare)(struct list_head *, struct list_head *))
+{
+        struct list_node  *node = NULL;
+
+        if (ptr == NULL || list == NULL)
+                goto out;
+
+        node = GF_CALLOC (1, sizeof (struct list_node), gf_common_list_node);
+
+        if (node == NULL)
+                goto out;
+
+        node->ptr = ptr;
+        if (compare)
+                list_add_order (&node->list, list, compare);
+        else
+                list_add_tail (&node->list, list);
+out:
+        return node;
+}
+
+struct list_node*
+list_node_add (void *ptr, struct list_head *list)
+{
+        return _list_node_add (ptr, list, NULL);
+}
+
+struct list_node*
+list_node_add_order (void *ptr, struct list_head *list,
+                     int (*compare)(struct list_head *, struct list_head *))
+{
+        return _list_node_add (ptr, list, compare);
+}
+
+void
+list_node_del (struct list_node *node)
+{
+        if (node == NULL)
+                return;
+
+        list_del_init (&node->list);
+        GF_FREE (node);
+}
+