[rds-devel] Re: latest set of patches attached.
Or Gerlitz
ogerlitz at voltaire.com
Wed Jan 9 22:57:49 PST 2008
Richard Frank wrote:
> including rds-dev for review
> Olaf Kirch wrote:
>> Here we go - latest set of patches attached.
Hi Olaf,
Is the below a description of the patch set you have posted to the list
or its a different set which was not sent to the list?
Or.
>> New stuff:
>> - RDS extension headers. Rather than stuffing more and more
>> things into the header, I decided to reserve 16 bytes
>> for "extensions" and write the plumbing for it.
>> - RDMA extension header. Goes with every SEND following an
>> RDMA operation, and contains the R_Key.
>> This is used by the receiver to check for (and release)
>> MRs marked as use_once
>> - Changed GET_MR interface - got rid of phys_addr, and
>> added use_once.
>> The phys_addr stuff needs more cleanup
>> - Version extension header. We now broadcast our supported
>> RDS protocol version as part of the initial CONG_MAP update.
>> This doesn't do much right now, but will be needed to
>> do rolling updates in the future.
>> I added this stuff now, so that we don't have to rely
>> on advanced crystal balling later when the time comes
>> where we break the protocol.
>>
>> Vlad, you mentioned that it's possible to crash the RDS stack by
>> telnetting to the RDS TCP port. I was unable to reproduce this -
>> what did you do to trigger the crash?
>>
>> Olaf
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