[rds-devel] [PATCH] rds: Fix inaccurate accounting of unsignaled wrs

David Miller davem at davemloft.net
Thu Oct 26 01:36:26 PDT 2017


From: Håkon Bugge <Haakon.Bugge at oracle.com>
Date: Tue, 24 Oct 2017 16:16:28 +0200

> The number of unsignaled work-requests posted to the IB send queue is
> tracked by a counter in the rds_ib_connection struct. When it reaches
> zero, or the caller explicitly asks for it, the send-signaled bit is
> set in send_flags and the counter is reset. This is performed by the
> rds_ib_set_wr_signal_state() function.
> 
> However, this function is not always used which yields inaccurate
> accounting. This commit fixes this, re-factors a code bloat related to
> the matter, and makes the actual parameter type to the function
> consistent.
> 
> Signed-off-by: Håkon Bugge <haakon.bugge at oracle.com>

Applied.



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