if (!dev_node || dev_node->key != dev) {
/* We keep a separate hash table of inodes for every device. */
dev_node = hashtable_find(dev_tbl, dev, 1);
if (!dev_node || dev_node->key != dev) {
/* We keep a separate hash table of inodes for every device. */
dev_node = hashtable_find(dev_tbl, dev, 1);