NFSRDMA: SLES11sp3 backport Signed-off-by: Jeff Becker <Jeffrey.C.Becker@nasa.gov>

diff --git a/patches/0024-nfsrdma-backport-for-SLES11sp3.patch b/patches/0024-nfsrdma-backport-for-SLES11sp3.patch
new file mode 100644 (file)
index 0000000..228b9e0
--- /dev/null
+++ b/patches/0024-nfsrdma-backport-for-SLES11sp3.patch
@@ -0,0 +1,42 @@
+diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
+index 285dc08..ab74500 100644
+--- a/net/sunrpc/xprtrdma/transport.c
++++ b/net/sunrpc/xprtrdma/transport.c
+@@ -279,7 +281,9 @@ xprt_setup_rdma(struct xprt_create *args)
+       }
+ 
+       xprt = xprt_alloc(args->net, sizeof(struct rpcrdma_xprt),
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+                       xprt_rdma_slot_table_entries,
++#endif
+                       xprt_rdma_slot_table_entries);
+       if (xprt == NULL) {
+               dprintk("RPC:       %s: couldn't allocate rpcrdma_xprt\n",
+@@ -448,8 +452,15 @@ xprt_rdma_connect(struct rpc_xprt *xprt, struct rpc_task *task)
+ }
+ 
+ static int
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+ xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
++#else
++xprt_rdma_reserve_xprt(struct rpc_task *task)
++#endif
+ {
++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
++      struct rpc_xprt *xprt = task->tk_xprt;
++#endif
+       struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
+       int credits = atomic_read(&r_xprt->rx_buf.rb_credits);
+ 
+@@ -461,7 +472,11 @@ xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
+               BUG_ON(r_xprt->rx_buf.rb_cwndscale <= 0);
+       }
+       xprt->cwnd = credits * r_xprt->rx_buf.rb_cwndscale;
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+       return xprt_reserve_xprt_cong(xprt, task);
++#else
++      return xprt_reserve_xprt_cong(task);
++#endif
+ }
+ 
+ /*