nfsd4: check backchannel attributes on create_session
Make sure the client gives us an adequate backchannel.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h
index c68a147..aadc6a0 100644
--- a/include/linux/sunrpc/msg_prot.h
+++ b/include/linux/sunrpc/msg_prot.h
@@ -138,6 +138,9 @@
#define RPC_MAX_HEADER_WITH_AUTH \
(RPC_CALLHDRSIZE + 2*(2+RPC_MAX_AUTH_SIZE/4))
+#define RPC_MAX_REPHEADER_WITH_AUTH \
+ (RPC_REPHDRSIZE + (2 + RPC_MAX_AUTH_SIZE/4))
+
/*
* RFC1833/RFC3530 rpcbind (v3+) well-known netid's.
*/