From owner-svn-src-stable-7@FreeBSD.ORG  Tue May  5 10:43:14 2009
Return-Path: <owner-svn-src-stable-7@FreeBSD.ORG>
Delivered-To: svn-src-stable-7@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8C716106564A;
	Tue,  5 May 2009 10:43:14 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 787458FC13;
	Tue,  5 May 2009 10:43:14 +0000 (UTC) (envelope-from kib@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 n45AhE1M078963;
	Tue, 5 May 2009 10:43:14 GMT (envelope-from kib@svn.freebsd.org)
Received: (from kib@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id n45AhE9E078962;
	Tue, 5 May 2009 10:43:14 GMT (envelope-from kib@svn.freebsd.org)
Message-Id: <200905051043.n45AhE9E078962@svn.freebsd.org>
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 5 May 2009 10:43:14 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
X-SVN-Group: stable-7
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r191814 - in stable/7/sys: . contrib/pf dev/ath/ath_hal
	dev/cxgb kern
X-BeenThere: svn-src-stable-7@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for only the 7-stable src tree
	<svn-src-stable-7.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable-7>, 
	<mailto:svn-src-stable-7-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable-7>
List-Post: <mailto:svn-src-stable-7@freebsd.org>
List-Help: <mailto:svn-src-stable-7-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable-7>, 
	<mailto:svn-src-stable-7-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 05 May 2009 10:43:15 -0000

Author: kib
Date: Tue May  5 10:43:14 2009
New Revision: 191814
URL: http://svn.freebsd.org/changeset/base/191814

Log:
  MFC r191135:
  Export the number of times bufdaemon got help from the normal threads.

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/dev/ath/ath_hal/   (props changed)
  stable/7/sys/dev/cxgb/   (props changed)
  stable/7/sys/kern/vfs_bio.c

Modified: stable/7/sys/kern/vfs_bio.c
==============================================================================
--- stable/7/sys/kern/vfs_bio.c	Tue May  5 10:34:43 2009	(r191813)
+++ stable/7/sys/kern/vfs_bio.c	Tue May  5 10:43:14 2009	(r191814)
@@ -191,6 +191,9 @@ SYSCTL_INT(_vfs, OID_AUTO, getnewbufrest
 static int flushbufqtarget = -1;
 SYSCTL_INT(_vfs, OID_AUTO, flushbufqtarget, CTLFLAG_RW, &flushbufqtarget, 0,
     "Amount of work to do in flushbufqueues when helping bufdaemon");
+static long notbufdflashes;
+SYSCTL_LONG(_vfs, OID_AUTO, notbufdflashes, CTLFLAG_RD, &notbufdflashes, 0,
+    "Number of dirty buffer flushes done by the bufdaemon helpers");
 
 /*
  * Wakeup point for bufdaemon, as well as indicator of whether it is already
@@ -2280,6 +2283,7 @@ flushbufqueues(struct vnode *lvp, int qu
 			else {
 				bremfree(bp);
 				bwrite(bp);
+				notbufdflashes++;
 			}
 			vn_finished_write(mp);
 			VOP_UNLOCK(vp, 0, td);