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Commit 83710fc7 authored by Steve Wise's avatar Steve Wise Committed by J. Bruce Fields
Browse files

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: default avatarSteve Wise <swise@opengridcomputing.com>
Reported by : Devesh Sharma <Devesh.Sharma@Emulex.Com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 0bf48289

net/sunrpc/xprtrdma/svc_rdma_recvfrom.c

+1 −1
Original line number Diff line number Diff line
@@ -338,7 +338,7 @@ static int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt, 
		memset(&inv_wr, 0, sizeof(inv_wr));

		inv_wr.wr_id = (unsigned long)ctxt;

		inv_wr.opcode = IB_WR_LOCAL_INV;

		inv_wr.send_flags = IB_SEND_SIGNALED;

		inv_wr.send_flags = IB_SEND_SIGNALED | IB_SEND_FENCE;

		inv_wr.ex.invalidate_rkey = frmr->mr->lkey;

	}

	ctxt->wr_op = read_wr.opcode;