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authorChuck Lever2015-10-24 23:27:35 +0200
committerAnna Schumaker2015-11-02 19:45:15 +0100
commit42e5c3e2725ba0c0affc1fc8a6aa1d5cf31ecb75 (patch)
treeb6394fe31cdf2560533abfa37c35cab3f08f406a /net/sunrpc/xprtsock.c
parentxprtrdma: Saving IRQs no longer needed for rb_lock (diff)
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SUNRPC: Abstract backchannel operations
xprt_{setup,destroy}_backchannel() won't be adequate for RPC/RMDA bi-direction. In particular, receive buffers have to be pre- registered and posted in order to receive incoming backchannel requests. Add a virtual function call to allow the insertion of appropriate backchannel setup and destruction methods for each transport. In addition, freeing a backchannel request is a little different for RPC/RDMA. Introduce an rpc_xprt_op to handle the difference. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Tested-By: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 1a85e0ed0b48..44a81e4c6783 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2580,6 +2580,11 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.enable_swap = xs_enable_swap,
.disable_swap = xs_disable_swap,
.inject_disconnect = xs_inject_disconnect,
+#ifdef CONFIG_SUNRPC_BACKCHANNEL
+ .bc_setup = xprt_setup_bc,
+ .bc_free_rqst = xprt_free_bc_rqst,
+ .bc_destroy = xprt_destroy_bc,
+#endif
};
/*