svcrdma: Fence LOCAL_INV work requests
Fencing forces the invalidate to only happen after all prior send work requests have been completed. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Reported by : Devesh Sharma <Devesh.Sharma@Emulex.Com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -338,7 +338,7 @@ static int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
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memset(&inv_wr, 0, sizeof(inv_wr));
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inv_wr.wr_id = (unsigned long)ctxt;
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inv_wr.opcode = IB_WR_LOCAL_INV;
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inv_wr.send_flags = IB_SEND_SIGNALED;
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inv_wr.send_flags = IB_SEND_SIGNALED | IB_SEND_FENCE;
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inv_wr.ex.invalidate_rkey = frmr->mr->lkey;
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}
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ctxt->wr_op = read_wr.opcode;
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