diff options
| 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/Makefile | |
| parent | SUNRPC: Abstract backchannel operations (diff) | |
| download | linux-dev-f531a5dbc451afb66e9d6c71a69e8358d1847969.tar.xz linux-dev-f531a5dbc451afb66e9d6c71a69e8358d1847969.zip | |
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/Makefile')
| -rw-r--r-- | net/sunrpc/xprtrdma/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/Makefile b/net/sunrpc/xprtrdma/Makefile index 48913de240bd..33f99d3004f2 100644 --- a/net/sunrpc/xprtrdma/Makefile +++ b/net/sunrpc/xprtrdma/Makefile @@ -5,3 +5,4 @@ rpcrdma-y := transport.o rpc_rdma.o verbs.o \ svc_rdma.o svc_rdma_transport.o \ svc_rdma_marshal.o svc_rdma_sendto.o svc_rdma_recvfrom.o \ module.o +rpcrdma-$(CONFIG_SUNRPC_BACKCHANNEL) += backchannel.o |