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authorChuck Lever <chuck.lever@oracle.com>2015-10-25 00:28:16 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-11-02 21:45:15 +0300
commit9468431962616c2449d47c482208a5967e011bf9 (patch)
tree8ec72d681d0575349426be5ca0c14cd52017c1f6 /net/sunrpc/xprtrdma/svc_rdma.c
parent63cae47005af51c937f4cdcc4835f29075add2ba (diff)
downloadlinux-9468431962616c2449d47c482208a5967e011bf9.tar.xz
svcrdma: Add backward direction service for RPC/RDMA transport
On NFSv4.1 mount points, the Linux NFS client uses this transport endpoint to receive backward direction calls and route replies back to the NFSv4.1 server. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: "J. Bruce Fields" <bfields@fieldses.org> 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/svc_rdma.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 2cd252f023a5..1b7051bdbdc8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -239,6 +239,9 @@ void svc_rdma_cleanup(void)
unregister_sysctl_table(svcrdma_table_header);
svcrdma_table_header = NULL;
}
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
+ svc_unreg_xprt_class(&svc_rdma_bc_class);
+#endif
svc_unreg_xprt_class(&svc_rdma_class);
kmem_cache_destroy(svc_rdma_map_cachep);
kmem_cache_destroy(svc_rdma_ctxt_cachep);
@@ -286,6 +289,9 @@ int svc_rdma_init(void)
/* Register RDMA with the SVC transport switch */
svc_reg_xprt_class(&svc_rdma_class);
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
+ svc_reg_xprt_class(&svc_rdma_bc_class);
+#endif
return 0;
err1:
kmem_cache_destroy(svc_rdma_map_cachep);