I want to understand the message encoding and decoding logic in Lustre.I am planning to send the lustre_msg (lustre_msg_v2) in the ptlrpc_request with some additional fields to the server (MDS). But when I add those fields I was not able to see their values at the Server end i.e MDS.For example say we now have 8 values + the variable size buffer which might be able to include the additional entries.So I want to add some additional entries to the variable part of the message.
If you can please give me some insight on the way the Lustre File system encodes decodes the messages sent accross nodes it would be helpful.I have traced down the following code path and see that inorder to send the message we need only three steps :- ptlrpc_prep_req ptlrpc_req_set_repsize ptlrpc_queue_wait Do I need to take into consideration any other things ? Any help in this regard will be highly useful. Thanks, Vilobh
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