[Cluster-devel] [PATCH 3/4 Revised] NLM - kernel lockd-statd changes

[Wendy Cheng <wcheng@redhat.com>]

This kernel patch (based on 2.6.21-rc4) should be paired with nfs-utils 
user mode changes (patch 4-4, based on nfs-utils-1.1.0-rc1) that is 
optional. If changes made in patch 4-4 is not presented in nfs-utils, 
the rpc.statd will ignore whatever this kernel patch does.

The changes record the ip interface that accepts the lock requests and 
passes the correct "my_name" (in standard IPV4 dot notation) to user 
mode statd (instead of system_utsname.nodename). This enables rpc.statd 
to add the correct taken-over IPv4 address into the 3rd parameter of 
ha_callout program. Current nfs-utils always resets "my_name" into 
loopback address (127.0.0.1), regardless the statement made in rpc.statd 
man page. Check out "man rpc.statd" and "man sm-notify" for details.

-- Wendy

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