[PATCH 2/2] Document new -z/-Z options

[Simo Sorce <simo@redhat.com>]

Options are not in alphabetical order but -z/-Z clearly always come last.

Signed-off-by: Simo Sorce <simo@redhat.com>
---
 utils/gssd/gssd.man |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/utils/gssd/gssd.man b/utils/gssd/gssd.man
index 79d9bf91ac6b976c57d167e60d07f828a3ff5b1f..7918c2a0ff76c3918449cf3e1420f0a289929ac1 100644
--- a/utils/gssd/gssd.man
+++ b/utils/gssd/gssd.man
@@ -8,7 +8,7 @@
 rpc.gssd \- RPCSEC_GSS daemon
 .SH SYNOPSIS
 .B rpc.gssd
-.RB [ \-fMnlvr ]
+.RB [ \-fMnlvrzZ ]
 .RB [ \-k
 .IR keytab ]
 .RB [ \-p
@@ -266,6 +266,17 @@ new kernel contexts to be negotiated after
 seconds, which allows changing Kerberos tickets and identities frequently.
 The default is no explicit timeout, which means the kernel context will live
 the lifetime of the Kerberos service ticket used in its creation.
+.TP
+.B -z
+This option tries to avoid DNS Reverse (PTR) lookups for determining the 
+server name to pass to GSSAPI if the name passed at mount point is not an IP 
+address. Currently off by default for compatibility reasons.
+.TP
+.B -Z
+This is the inverse of 
+.B -z
+and forces the use of DNS Reverse resolution of the server's IP address to
+retrieve the server name to use in GSAPI authentication.
 .SH SEE ALSO
 .BR rpc.svcgssd (8),
 .BR kerberos (1),
-- 
1.7.1