NFS man page: update nfs(5) with details about IPv6 support

[nfs-utils.git] / utils / mountd / mountd.man

diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man
index f8646d477670aaf028b01eda63c667e0b631bbb8..bfa06e08eec72d6e737d14bc0b10aad74290fd79 100644 (file)
--- a/utils/mountd/mountd.man
+++ b/utils/mountd/mountd.man
@@ -119,12 +119,19 @@ The third will be the path that the client is mounting.
 The last is the number of concurrent mounts that we believe the client
 has of that path.
 .TP
-.BI "\-P," "" " \-\-state\-directory\-path "  directory
+.BI "\-s," "" " \-\-state\-directory\-path "  directory
 specify a directory in which to place statd state information.
 If this option is not specified the default of
 .BR /var/lib/nfs
 is used.
 .TP
+.BI "\-r," "" " \-\-reverse\-lookup"
+mountd tracks IP addresses in the rmtab, and when a DUMP request is made (by
+someone running showmount -a, for instance), it returns IP addresses instead
+of hostnames by default. This option causes mountd to do a reverse
+lookup on each IP address and return that hostname instead. Enabling this can
+have a substantial negative effect on performance in some situations.
+.TP
 .BR "\-t N" " or " "\-\-num\-threads=N"
 This option specifies the number of worker threads that rpc.mountd
 spawns.  The default is 1 thread, which is probably enough.  More
@@ -174,13 +181,15 @@ mountd: .bar.com
 You have to use the daemon name 
 .B mountd
 for the daemon name (even if the binary has a different name).
+.B Note:
+hostnames used in either access file will be ignored when
+they can not be resolved into IP addresses.
 
 For further information please have a look at the
 .BR tcpd (8)
 and
 .BR hosts_access (5)
 manual pages.
-
 .SH SEE ALSO
 .BR rpc.nfsd (8),
 .BR exportfs (8),