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On 06/02/14 19:14, Steve Wise wrote: > Fencing forces the invalidate to only happen after all subsequent send > work requests have been completed. Shouldn't that read "prior" instead of "subsequent" ? Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
> -----Original Message----- > From: Bart Van Assche [mailto:bvanassche@acm.org] > Sent: Thursday, June 05, 2014 2:23 AM > To: Steve Wise; bfields@fieldses.org > Cc: linux-nfs@vger.kernel.org; linux-rdma@vger.kernel.org; tom@opengridcomputing.com > Subject: Re: [PATCH] svcrdma: Fence LOCAL_INV work requests > > On 06/02/14 19:14, Steve Wise wrote: > > Fencing forces the invalidate to only happen after all subsequent send > > work requests have been completed. > > Shouldn't that read "prior" instead of "subsequent" ? > Yes. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 6/5/2014 8:55 AM, Steve Wise wrote >> -----Original Message----- >> From: Bart Van Assche [mailto:bvanassche@acm.org] >> Sent: Thursday, June 05, 2014 2:23 AM >> To: Steve Wise; bfields@fieldses.org >> Cc: linux-nfs@vger.kernel.org; linux-rdma@vger.kernel.org; tom@opengridcomputing.com >> Subject: Re: [PATCH] svcrdma: Fence LOCAL_INV work requests >> >> On 06/02/14 19:14, Steve Wise wrote: >>> Fencing forces the invalidate to only happen after all subsequent send >>> work requests have been completed. >> Shouldn't that read "prior" instead of "subsequent" ? >> > Yes. > I posted V2 of the patch to fix the comment. Thanks, Steve. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 52d9f2c..8f92a61 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -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;
This applies on top of: commit e5a070216356dbcb03607cb264cc3104e17339b3 Author: Steve Wise <swise@opengridcomputing.com> Date: Wed May 28 15:12:01 2014 -0500 svcrdma: refactor marshalling logic Fencing forces the invalidate to only happen after all subsequent send work requests have been completed. Signed-off-by: Steve Wise <swise@opengridcomputing.com> --- net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html