From 8cbccbe76168a0c627d2274e4a322116804db30f Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 2 Jun 2010 16:02:44 +0000
Subject: ipconfig: document DHCP hostname and DNS record

Now it's possible to update the DNS record for $HOST_NAME with

	ip=::::$HOST_NAME::dhcp

CC: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 Documentation/filesystems/nfs/nfsroot.txt | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Documentation/filesystems')

diff --git a/Documentation/filesystems/nfs/nfsroot.txt b/Documentation/filesystems/nfs/nfsroot.txt
index 3ba0b945aaf..f2430a7974e 100644
--- a/Documentation/filesystems/nfs/nfsroot.txt
+++ b/Documentation/filesystems/nfs/nfsroot.txt
@@ -124,6 +124,8 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
 
   <hostname>	Name of the client. May be supplied by autoconfiguration,
   		but its absence will not trigger autoconfiguration.
+		If specified and DHCP is used, the user provided hostname will
+		be carried in the DHCP request to hopefully update DNS record.
 
   		Default: Client IP address is used in ASCII notation.
 
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