From owner-svn-src-user@FreeBSD.ORG  Sun Feb 22 20:11:10 2009
Return-Path: <owner-svn-src-user@FreeBSD.ORG>
Delivered-To: svn-src-user@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5AB31106566C;
	Sun, 22 Feb 2009 20:11:10 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 490DC8FC1A;
	Sun, 22 Feb 2009 20:11:10 +0000 (UTC) (envelope-from alc@FreeBSD.org)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n1MKBA8V005435;
	Sun, 22 Feb 2009 20:11:10 GMT (envelope-from alc@svn.freebsd.org)
Received: (from alc@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id n1MKBA3i005434;
	Sun, 22 Feb 2009 20:11:10 GMT (envelope-from alc@svn.freebsd.org)
Message-Id: <200902222011.n1MKBA3i005434@svn.freebsd.org>
From: Alan Cox <alc@FreeBSD.org>
Date: Sun, 22 Feb 2009 20:11:10 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r188931 - user/alc/pagelock/sys/fs/tmpfs
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the experimental &quot; user&quot;
	src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
	<mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 22 Feb 2009 20:11:10 -0000

Author: alc
Date: Sun Feb 22 20:11:10 2009
New Revision: 188931
URL: http://svn.freebsd.org/changeset/base/188931

Log:
  Eliminate unnecessary page queues locking.

Modified:
  user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c

Modified: user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c	Sun Feb 22 19:59:41 2009	(r188930)
+++ user/alc/pagelock/sys/fs/tmpfs/tmpfs_vnops.c	Sun Feb 22 20:11:10 2009	(r188931)
@@ -569,9 +569,7 @@ lookupvpg:
 		if (vm_page_sleep_if_busy(vpg, FALSE, "tmfsmw"))
 			goto lookupvpg;
 		vm_page_busy(vpg);
-		vm_page_lock_queues();
 		vm_page_undirty(vpg);
-		vm_page_unlock_queues();
 		VM_OBJECT_UNLOCK(vobj);
 		error = uiomove_fromphys(&vpg, offset, tlen, uio);
 	} else {
@@ -605,12 +603,12 @@ nocache:
 out:
 	if (vobj != NULL)
 		VM_OBJECT_LOCK(vobj);
-	vm_page_lock_queues();
 	if (error == 0) {
 		vm_page_set_validclean(tpg, offset, tlen);
 		vm_page_zero_invalid(tpg, TRUE);
 		vm_page_dirty(tpg);
 	}
+	vm_page_lock_queues();
 	vm_page_unwire(tpg, TRUE);
 	vm_page_unlock_queues();
 	vm_page_wakeup(tpg);