Symbol: FMNT_NODUP
sys/fs/fdescfs/fdesc_vfsops.c
102
fmp->flags |= FMNT_NODUP;
sys/fs/fdescfs/fdesc_vnops.c
264
if ((fdm->flags & FMNT_NODUP) != 0 && a->fp->f_type == DTYPE_VNODE) {