vfs_suser(9) on FreeBSD
The text bc026dfd4fff, as FreeBSD 7.0-RELEASE, FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
check if credentials have superuser privileges for a mount point
The text bc026dfd4fff, as FreeBSD 7.0-RELEASE, FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
check if credentials have superuser privileges for a mount point