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| author | Chuck Lever <chuck.lever@oracle.com> | 2015-10-24 17:27:43 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-11-02 13:45:15 -0500 |
| commit | f531a5dbc451afb66e9d6c71a69e8358d1847969 (patch) | |
| tree | 0a48b07469088a397226ba0be3821522d5a16221 /net/sunrpc/xprtrdma/transport.c | |
| parent | 42e5c3e2725ba0c0affc1fc8a6aa1d5cf31ecb75 (diff) | |
| download | op-kernel-dev-f531a5dbc451afb66e9d6c71a69e8358d1847969.zip op-kernel-dev-f531a5dbc451afb66e9d6c71a69e8358d1847969.tar.gz | |
xprtrdma: Pre-allocate backward rpc_rqst and send/receive buffers
xprtrdma's backward direction send and receive buffers are the same
size as the forechannel's inline threshold, and must be pre-
registered.
The consumer has no control over which receive buffer the adapter
chooses to catch an incoming backwards-direction call. Any receive
buffer can be used for either a forward reply or a backward call.
Thus both types of RPC message must all be the same size.
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/xprtrdma/transport.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/transport.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 897a2f3..845278e 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -705,7 +705,12 @@ static struct rpc_xprt_ops xprt_rdma_procs = { .print_stats = xprt_rdma_print_stats, .enable_swap = xprt_rdma_enable_swap, .disable_swap = xprt_rdma_disable_swap, - .inject_disconnect = xprt_rdma_inject_disconnect + .inject_disconnect = xprt_rdma_inject_disconnect, +#if defined(CONFIG_SUNRPC_BACKCHANNEL) + .bc_setup = xprt_rdma_bc_setup, + .bc_free_rqst = xprt_rdma_bc_free_rqst, + .bc_destroy = xprt_rdma_bc_destroy, +#endif }; static struct xprt_class xprt_rdma = { |
