IMNT_DTYPE
mp->mnt_iflag |= IMNT_DTYPE | IMNT_SHRLOOKUP;
mp->mnt_iflag |= IMNT_DTYPE;
mp->mnt_iflag |= IMNT_DTYPE;
mp->mnt_iflag &= ~IMNT_DTYPE;
mp->mnt_iflag |= IMNT_DTYPE;
mp->mnt_iflag |= IMNT_DTYPE;
mp->mnt_iflag &= ~IMNT_DTYPE;
mp->mnt_iflag |= IMNT_DTYPE;
#define FSFMT(vp) (((vp)->v_mount->mnt_iflag & IMNT_DTYPE) == 0)
#define FSFMT(vp) (((vp)->v_mount->mnt_iflag & IMNT_DTYPE) == 0)