tree 64634bf6a5427f9a7253c9cb5b4d55550ef8b18d
parent f3680312a737355ddf35c1b68af25e384d7ef0a8
author J. Bruce Fields <bfields@fieldses.org> 1129236893 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1129702784 -0700

RPCSEC_GSS: cleanup au_rslack calculation

 Various xdr encode routines use au_rslack to guess where the reply argument
 will end up, so we can set up the xdr_buf to recieve data into the right place
 for zero copy.

 Currently we calculate the au_rslack estimate when we check the verifier.
 Normally this only depends on the verifier size.  In the integrity case we add
 a few bytes to allow for a length and sequence number.

 It's a bit simpler to calculate only the verifier size when we check the
 verifier, and delay the full calculation till we unwrap.

 Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>