urcu-ht: fix missing node element in copy
authorMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Wed, 30 Sep 2009 23:51:43 +0000 (19:51 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Wed, 30 Sep 2009 23:51:43 +0000 (19:51 -0400)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
urcu-ht.c

index 9521c065d3914a943960221db9988d8810f84adc..b8777acae895ec8907ffbe6a6ddf1c5b4c37a912 100644 (file)
--- a/urcu-ht.c
+++ b/urcu-ht.c
@@ -372,6 +372,7 @@ static void ht_resize_grow(struct rcu_ht *ht)
        new_size = old_size << 1;
        new_t = calloc(1, sizeof(struct rcu_table)
                       + (new_size * sizeof(struct rcu_ht_node *)));
+       new_t->size = new_size;
 
        for (i = 0; i < old_size; i++) {
                /*
@@ -387,14 +388,15 @@ static void ht_resize_grow(struct rcu_ht *ht)
                        new_node = malloc(sizeof(struct rcu_ht_node));
                        new_node->key = node->key;
                        new_node->data = node->data;
-                       new_node->next = new_t->tbl[hash]; /* add to head */
-                       new_t->tbl[hash] = new_node;
+                       new_node->flags = node->flags;
+                       new_node->next = new_t->tbl[hash]; /* link to first */
+                       new_t->tbl[hash] = new_node;       /* add to head */
                        node = node->next;
                }
        }
 
-       smp_wmb();      /* write links before changing table */
-       ht->t = new_t;  /* Changing table and size atomically wrt lookups */
+       /* Changing table and size atomically wrt lookups */
+       rcu_assign_pointer(ht->t, new_t);
 
        /* Ensure all concurrent lookups use new size and table */
        synchronize_rcu();
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