NFSv4: Send implementation id with exchange_id

Send the nfs implementation id in EXCHANGE_ID requests unless the module
parameter nfs.send_implementation_id is 0.

This adds a CONFIG variable for the nii_domain that defaults to "kernel.org".

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1d369c6286e1..7bae0fd3b63c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1678,6 +1678,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         back to using the idmapper.
                         To turn off this behaviour, set the value to '0'.
 
+        nfs.send_implementation_id =
+                        [NFSv4.1] Send client implementation identification
+                        information in exchange_id requests.
+                        If zero, no implementation identification information
+                        will be sent.
+                        The default is to send the implementation identification
+                        information.
+
+
         nmi_debug=      [KNL,AVR32,SH] Specify one or more actions to take
                         when a NMI is triggered.
                         Format: [state][,regs][,debounce][,die]