*/
new_root->ref_cows = 0;
new_root->last_trans = trans->transid;
+
+ /*
+ * we need to make sure the root block for this new tree
+ * is marked as dirty in the dirty_log_pages tree. This
+ * is how it gets flushed down to disk at tree log commit time.
+ *
+ * the tree logging mutex keeps others from coming in and changing
+ * the new_root->node, so we can safely access it here
+ */
+ set_extent_dirty(&new_root->dirty_log_pages, new_root->node->start,
+ new_root->node->start + new_root->node->len - 1,
+ GFP_NOFS);
+
fail:
return ret;
}