hammer_wait_mem_record_ident
void hammer_wait_mem_record_ident(hammer_record_t record, const char *ident);
hammer_wait_mem_record_ident(record, "hmmwai");
hammer_wait_mem_record_ident(cursor->deadlk_rec, "hmmdlr");
hammer_wait_mem_record_ident(cursor->deadlk_rec, "hmmdlr");
hammer_wait_mem_record_ident(record, "hmmtrr");