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authorChuck Lever <chuck.lever@oracle.com>2016-01-07 22:50:10 +0300
committerDoug Ledford <dledford@redhat.com>2016-01-19 23:30:48 +0300
commit5d252f90a800cee5bc57c76d636ae60464f7a887 (patch)
treece8cc2748fb4fae72b74bddaa3e3229655395e69 /include/linux/sunrpc
parent03fe9931536fe4782e9e34f7f499d588acd2015b (diff)
downloadlinux-5d252f90a800cee5bc57c76d636ae60464f7a887.tar.xz
svcrdma: Add class for RDMA backwards direction transport
To support the server-side of an NFSv4.1 backchannel on RDMA connections, add a transport class that enables backward direction messages on an existing forward channel connection. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: Bruce Fields <bfields@fieldses.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/svc_rdma.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 9a2c418dc690..b13513a0caf4 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -195,6 +195,11 @@ struct svcxprt_rdma {
#define RPCSVC_MAXPAYLOAD_RDMA RPCSVC_MAXPAYLOAD
+/* svc_rdma_backchannel.c */
+extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
+ struct rpcrdma_msg *rmsgp,
+ struct xdr_buf *rcvbuf);
+
/* svc_rdma_marshal.c */
extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,