hammer2_bulkfree_pass
int hammer2_bulkfree_pass(hammer2_dev_t *hmp, hammer2_chain_t *vchain,
error = hammer2_bulkfree_pass(hmp, vchain, bfi);
int hammer2_bulkfree_pass(hammer2_dev_t *hmp, hammer2_chain_t *vchain,
error = hammer2_bulkfree_pass(hmp, vchain, bfi);