svcrdma: Add class for RDMA backwards direction transport

[linux-drm-fsl-dcu.git] / net / sunrpc / xprtrdma / svc_rdma_transport.c

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index af86dfeceb4a610af3e50720afd4a07f2406c42a..7fd23955f1d42aa5c1ef907f3d912ff47aecc1cf 100644 (file)
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -1287,12 +1287,14 @@ static void __svc_rdma_free(struct work_struct *work)
 {
        struct svcxprt_rdma *rdma =
                container_of(work, struct svcxprt_rdma, sc_work);
-       dprintk("svcrdma: svc_rdma_free(%p)\n", rdma);
+       struct svc_xprt *xprt = &rdma->sc_xprt;
+
+       dprintk("svcrdma: %s(%p)\n", __func__, rdma);
 
        /* We should only be called from kref_put */
-       if (atomic_read(&rdma->sc_xprt.xpt_ref.refcount) != 0)
+       if (atomic_read(&xprt->xpt_ref.refcount) != 0)
                pr_err("svcrdma: sc_xprt still in use? (%d)\n",
-                      atomic_read(&rdma->sc_xprt.xpt_ref.refcount));
+                      atomic_read(&xprt->xpt_ref.refcount));
 
        /*
         * Destroy queued, but not processed read completions. Note
@@ -1327,6 +1329,12 @@ static void __svc_rdma_free(struct work_struct *work)
                pr_err("svcrdma: dma still in use? (%d)\n",
                       atomic_read(&rdma->sc_dma_used));
 
+       /* Final put of backchannel client transport */
+       if (xprt->xpt_bc_xprt) {
+               xprt_put(xprt->xpt_bc_xprt);
+               xprt->xpt_bc_xprt = NULL;
+       }
+
        rdma_dealloc_frmr_q(rdma);
        svc_rdma_destroy_ctxts(rdma);
        svc_rdma_destroy_maps(rdma);