MNTK_NCALIASED
if ((mp->mnt_kern_flag & MNTK_NCALIASED) == 0) {
ncp = (mp->mnt_kern_flag & MNTK_NCALIASED) ?
ncp = (mp->mnt_kern_flag & MNTK_NCALIASED) ?
mp->mnt_kern_flag |= MNTK_NCALIASED | MNTK_ALL_MPSAFE;