Federico Vaga authored 12 years ago and Alessandro Rubini committed 12 years ago

This patch introduces ZIO_RW_PERM and ZIO_RO_PERM, which are used in
all attributes. Prevoously we had write-all for writeable attributes,
now we only allos the owner and the group.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>