lockd: Remove unused parameter to nlmsvc_testlock()

The nlm_cookie parameter has been unused since commit 09802fd
("lockd: rip out deferred lock handling from testlock codepath").

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

fs/lockd/svc4proc.c

@@ -108,7 +108,8 @@ __nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
 
 	test_owner = argp->lock.fl.c.flc_owner;
 	/* Now check for conflicting locks */
-	resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie);
+	resp->status = nlmsvc_testlock(rqstp, file, host, &argp->lock,
+				       &resp->lock);
 	if (resp->status == nlm_drop_reply)
 		rc = rpc_drop_reply;
 	else

fs/lockd/svclock.c

@@ -609,7 +609,7 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
 __be32
 nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
 		struct nlm_host *host, struct nlm_lock *lock,
-		struct nlm_lock *conflock, struct nlm_cookie *cookie)
+		struct nlm_lock *conflock)
 {
 	int			error;
 	int			mode;

fs/lockd/svcproc.c

@@ -130,7 +130,8 @@ __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
 	test_owner = argp->lock.fl.c.flc_owner;
 
 	/* Now check for conflicting locks */
-	resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
+	resp->status = cast_status(nlmsvc_testlock(rqstp, file, host,
+						   &argp->lock, &resp->lock));
 	if (resp->status == nlm_drop_reply)
 		rc = rpc_drop_reply;
 	else

include/linux/lockd/lockd.h

@@ -278,9 +278,9 @@ __be32		  nlmsvc_lock(struct svc_rqst *, struct nlm_file *,
 			      struct nlm_host *, struct nlm_lock *, int,
 			      struct nlm_cookie *, int);
 __be32		  nlmsvc_unlock(struct net *net, struct nlm_file *, struct nlm_lock *);
-__be32		  nlmsvc_testlock(struct svc_rqst *, struct nlm_file *,
-			struct nlm_host *, struct nlm_lock *,
-			struct nlm_lock *, struct nlm_cookie *);
+__be32		  nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
+			struct nlm_host *host, struct nlm_lock *lock,
+			struct nlm_lock *conflock);
 __be32		  nlmsvc_cancel_blocked(struct net *net, struct nlm_file *, struct nlm_lock *);
 void		  nlmsvc_retry_blocked(struct svc_rqst *rqstp);
 void		  nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *,