softdep_unlinked
for (inodedep = TAILQ_FIRST(&ump->softdep_unlinked);
for (inodedep = TAILQ_LAST(&ump->softdep_unlinked, inodedeplst);
TAILQ_INSERT_HEAD(&ump->softdep_unlinked, inodedep, id_unlinked);
TAILQ_REMOVE(&ump->softdep_unlinked, inodedep, id_unlinked);
TAILQ_REMOVE(&ump->softdep_unlinked, inodedep, id_unlinked);