knfsd: nfsd4: store pseudoflavor in request

Add a new field to the svc_rqst structure to record the pseudoflavor that the
request was made with.  For now we record the pseudoflavor but don't use it
for anything.

Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 07dcd20..d9fdf2e 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -5,6 +5,7 @@
 #include <linux/sunrpc/xdr.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/svcauth.h>
+#include <linux/sunrpc/gss_api.h>
 #include <linux/err.h>
 #include <linux/seq_file.h>
 #include <linux/hash.h>
@@ -707,6 +708,7 @@
 	svc_putnl(resv, RPC_AUTH_NULL);
 	svc_putnl(resv, 0);
 
+	rqstp->rq_flavor = RPC_AUTH_NULL;
 	return SVC_OK;
 }
 
@@ -784,6 +786,7 @@
 	svc_putnl(resv, RPC_AUTH_NULL);
 	svc_putnl(resv, 0);
 
+	rqstp->rq_flavor = RPC_AUTH_UNIX;
 	return SVC_OK;
 
 badcred: