From 5a5a78fb02ac6f08f7ff22f0885cf6c2c5ea5691 Mon Sep 17 00:00:00 2001
From: ad <ad@NetBSD.org>
Date: Wed, 10 Oct 2007 17:37:40 +0000
Subject: [PATCH] Kill transferlockers() now that it's unused.

---
 sys/kern/kern_lock.c | 24 ++----------------------
 sys/sys/lock.h       |  3 +--
 2 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c
index 5901a9b7e187..da312ec69732 100644
--- a/sys/kern/kern_lock.c
+++ b/sys/kern/kern_lock.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_lock.c,v 1.120 2007/09/17 21:33:34 ad Exp $	*/
+/*	$NetBSD: kern_lock.c,v 1.121 2007/10/10 17:37:40 ad Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2000, 2006, 2007 The NetBSD Foundation, Inc.
@@ -76,7 +76,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.120 2007/09/17 21:33:34 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.121 2007/10/10 17:37:40 ad Exp $");
 
 #include "opt_multiprocessor.h"
 #include "opt_ddb.h"
@@ -428,26 +428,6 @@ lockpanic(volatile struct lock *lkp, const char *fmt, ...)
 	);
 }
 
-/*
- * Transfer any waiting processes from one lock to another.
- */
-void
-transferlockers(struct lock *from, struct lock *to)
-{
-
-	KASSERT(from != to);
-	KASSERT((from->lk_flags & LK_WAITDRAIN) == 0);
-	if (from->lk_waitcount == 0)
-		return;
-	from->lk_newlock = to;
-	wakeup((void *)from);
-	tsleep((void *)&from->lk_newlock, from->lk_prio, "lkxfer", 0);
-	from->lk_newlock = NULL;
-	from->lk_flags &= ~(LK_WANT_EXCL | LK_WANT_UPGRADE);
-	KASSERT(from->lk_waitcount == 0);
-}
-
-
 /*
  * Initialize a lock; required before use.
  */
diff --git a/sys/sys/lock.h b/sys/sys/lock.h
index 545da35438a5..fda56fe034e1 100644
--- a/sys/sys/lock.h
+++ b/sys/sys/lock.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: lock.h,v 1.72 2007/07/29 12:40:37 pooka Exp $	*/
+/*	$NetBSD: lock.h,v 1.73 2007/10/10 17:37:40 ad Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2000, 2006, 2007 The NetBSD Foundation, Inc.
@@ -311,7 +311,6 @@ int	_lockmgr(volatile struct lock *, u_int, struct simplelock *,
 #else
 int	lockmgr(volatile struct lock *, u_int flags, struct simplelock *);
 #endif /* LOCKDEBUG */
-void	transferlockers(struct lock *, struct lock *);
 int	lockstatus(struct lock *);
 void	lockmgr_printinfo(volatile struct lock *);