Re: [PATCH RFC 0/5] xprtrdma Send completion batching

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On 9/5/2017 5:22 PM, Chuck Lever wrote:
I think it does bear mentioning that, given this diagnosis, it is
still safe to remove the ib_post_send counting mechanism in 5/5,
which has been in xprtrdma for as long as I can recall, and has

2007. :-)

been effective (with a few minor adjustments) at preventing SQ
overflow.

I'm not able to test this change with every HCA the Linux kernel
currently supports, unfortunately. The best I can do is offer a
"proof of correctness" and hope that vendors will jump on this
and try it out.

Someday, a proper set of verbs test cases? Alas.

Tom.
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