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List:       v9fs-developer
Subject:    [V9fs-developer] [PATCH 2/4] 9pnet_rdma: update request status during send
From:       Simon Derr <simon.derr () bull ! net>
Date:       2014-03-10 15:38:50
Message-ID: 1394465932-11520-3-git-send-email-simon.derr () bull ! net
[Download RAW message or body]

This will be needed by the flush logic.

Signed-off-by: Simon Derr <simon.derr@bull.net>
---
 net/9p/trans_rdma.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index f127ae5..b374c57 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -510,6 +510,11 @@ dont_need_post_recv:
 		goto send_error;
 	}
 
+	/* Mark request as `sent' *before* we actually send it,
+	 * because doing if after could erase the REQ_STATUS_RCVD
+	 * status in case of a very fast reply.
+	 */
+	req->status = REQ_STATUS_SENT;
 	err = ib_post_send(rdma->qp, &wr, &bad_wr);
 	if (err)
 		goto send_error;
@@ -519,6 +524,7 @@ dont_need_post_recv:
 
  /* Handle errors that happened during or while preparing the send: */
  send_error:
+	req->status = REQ_STATUS_ERROR;
 	kfree(c);
 	p9_debug(P9_DEBUG_ERROR, "Error %d in rdma_request()\n", err);
 
-- 
1.7.1


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