mpool_new
if ((meta = mpool_new(t->bt_mp, &npg, MPOOL_PAGE_NEXT)) == NULL)
if ((root = mpool_new(t->bt_mp, &npg, MPOOL_PAGE_NEXT)) == NULL)
return (mpool_new(t->bt_mp, npg, MPOOL_PAGE_NEXT));
void *mpool_new(MPOOL *, pgno_t *, unsigned int);
PROTO_NORMAL(mpool_new);