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-rw-r--r--net/9p/client.c12
-rw-r--r--net/9p/trans_rdma.c11
2 files changed, 20 insertions, 3 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index d18a0b22f62c..8b93cae2d11d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -658,12 +658,18 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq)
/*
* if we haven't received a response for oldreq,
- * remove it from the list.
+ * remove it from the list, and notify the transport
+ * layer that the reply will never arrive.
*/
spin_lock(&c->lock);
- if (oldreq->status == REQ_STATUS_FLSH)
+ if (oldreq->status == REQ_STATUS_FLSH) {
list_del(&oldreq->req_list);
- spin_unlock(&c->lock);
+ spin_unlock(&c->lock);
+ if (c->trans_mod->cancelled)
+ c->trans_mod->cancelled(c, req);
+ } else {
+ spin_unlock(&c->lock);
+ }
p9_free_req(c, req);
return 0;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 8f68df5d2973..928f2bb9bf8d 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -588,6 +588,17 @@ static int rdma_cancel(struct p9_client *client, struct p9_req_t *req)
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