The vfstab_adjunct file and mount command with -S option let you specify the security attributes for mounts.
The available security attributes are:
label - The label of the files
forced privileges - The set of forced privileges to be applied to executable files in the mounted filesystem
allowed privileges - The set of allowed privileges to be applied to executable files in the mounted filesystem
label range - The range of labels that can be applied to directories and files in the mounted filesystem
MLD prefix - A substitute for .MLD. as a prefix for multilevel directories