nfsd4: implement backchannel_ctl operation

This operation is mandatory for servers to implement.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index bff856c34a3..758bc9c2646 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -166,6 +166,11 @@ struct nfsd4_create_session {
 	struct nfsd4_cb_sec		cb_sec;
 };
 
+struct nfsd4_backchannel_ctl {
+	u32	bc_cb_program;
+	struct nfsd4_cb_sec		bc_cb_sec;
+};
+
 struct nfsd4_bind_conn_to_session {
 	struct nfs4_sessionid		sessionid;
 	u32				dir;