MNT_ROOTFS
if ((mp->mnt_flag & (MNT_ROOTFS | MNT_UPDATE)) == MNT_ROOTFS &&
if (mp->mnt_flag & MNT_ROOTFS) {
mp->mnt_flag |= MNT_ROOTFS;
if (mp->mnt_flag & MNT_ROOTFS) {
{ MNT_ROOTFS, 1, "root file system" },
MNT_ROOTFS | \
#define ST_ROOTFS MNT_ROOTFS