1 files changed, 14 insertions, 1 deletions

diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index b374c578ddb8..8f5e4f769d13 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -587,12 +587,24 @@ static struct p9_trans_rdma *alloc_rdma(struct p9_rdma_opts *opts)
         return rdma;
 }
 
-/* its not clear to me we can do anything after send has been posted */
 static int rdma_cancel(struct p9_client *client, struct p9_req_t *req)
 {
+        /* Nothing to do here.
+         * We will take care of it (if we have to) in rdma_cancelled()
+         */
         return 1;
 }
 
+/* A request has been fully flushed without a reply.
+ * That means we have posted one buffer in excess.
+ */
+static int rdma_cancelled(struct p9_client *client, struct p9_req_t *req)
+{
+        struct p9_trans_rdma *rdma = client->trans;
+        atomic_inc(&rdma->excess_rc);
+        return 0;
+}
+
 /**
  * trans_create_rdma - Transport method for creating atransport instance
  * @client: client instance
@@ -726,6 +738,7 @@ static struct p9_trans_module p9_rdma_trans = {
         .close = rdma_close,
         .request = rdma_request,
         .cancel = rdma_cancel,
+        .cancelled = rdma_cancelled,
 };
 
 /**