mpool_sync
if ((status = mpool_sync(t->bt_mp)) == RET_SUCCESS)
mpool_sync(hashp->mp);
return (flush_meta(hashp) || mpool_sync(hashp->mp));
int mpool_sync __P((MPOOL *));
int mpool_sync(MPOOL *);
if ((status = mpool_sync(t->bt_mp)) == RET_SUCCESS)