[openib-general] scaling issues, was: uDAPL cma: add support for address and route retries, call disconnect when recving dreq

[Roland Dreier]

 > Actually, this sounds like an excellent idea - this immediately makes the number
 > of queries linear with cluster size.

Maybe -- I wonder how scalable our RMPP implementation is though.
What will happen on the SM node with 256 RMPP requests returning 256
paths each?  How about 1024 * 1024?

 - R.