proto: struct thread *td, struct nmount_args *uap
parms: td, uap
errors:
  - EPERM
  - ENAMETOOLONG
  - ELOOP
  - ENOENT
  - ENOTDIR
  - EBUSY
  - EFAULT
  - ENODEV
  - ENOTBLK
  - ENXIO
  - EBUSY
  - EMFILE
  - EINVAL
  - ENOMEM
  - EIO
  - EFAULT
  - ETIMEDOUT
profiles:
  - fs
