hasopt
if (hasopt(MNTOPT_NOQUOTA, mnt.mnt_mntopts))
if (hasopt(MNTOPT_PUBLIC, mnt.mnt_mntopts))
hasopt(MNTOPT_RO, mnt.mnt_mntopts))
if (is_remote && hasopt(vfsent->vfs_mntopts, MNTOPT_RO))
if (is_remote && hasopt(vfsent->vfs_mntopts, MNTOPT_RO))