memp_fsync
if ((ret = memp_fsync(dbp->mpf)) == DB_INCOMPLETE)
int memp_fsync __P((DB_MPOOLFILE *));
if (flags != DB_NOSYNC && (t_ret = memp_fsync(dbp->mpf)) != 0 &&
if ((ret = memp_fsync(dbp->mpf)) == DB_INCOMPLETE)