Chuck Lever 2fa8f88d88 xprtrdma: Use new CQ API for RPC-over-RDMA client send CQs ... Calling ib_poll_cq() to sort through WCs during a completion is a common pattern amongst RDMA consumers. Since commit 14d3a3b249 ("IB: add a proper completion queue abstraction"), WC sorting can be handled by the IB core. By converting to this new API, xprtrdma is made a better neighbor to other RDMA consumers, as it allows the core to schedule the delivery of completions more fairly amongst all active consumers. Because each ib_cqe carries a pointer to a completion method, the core can now post its own operations on a consumer's QP, and handle the completions itself, without changes to the consumer. Send completions were previously handled entirely in the completion upcall handler (ie, deferring to a process context is unneeded). Thus IB_POLL_SOFTIRQ is a direct replacement for the current xprtrdma send code path. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>		2016-03-14 14:56:08 -04:00
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ceph	libceph: don't spam dmesg with stray reply warnings	2016-02-24 20:28:51 +01:00
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sunrpc	xprtrdma: Use new CQ API for RPC-over-RDMA client send CQs	2016-03-14 14:56:08 -04:00
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