From owner-svn-src-all@FreeBSD.ORG  Tue Apr 13 08:45:55 2010
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A6DB9106566B;
	Tue, 13 Apr 2010 08:45:55 +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 95A5D8FC0A;
	Tue, 13 Apr 2010 08:45:55 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o3D8jttH097469;
	Tue, 13 Apr 2010 08:45:55 GMT (envelope-from kib@svn.freebsd.org)
Received: (from kib@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o3D8jt4n097467;
	Tue, 13 Apr 2010 08:45:55 GMT (envelope-from kib@svn.freebsd.org)
Message-Id: <201004130845.o3D8jt4n097467@svn.freebsd.org>
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 13 Apr 2010 08:45:55 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r206546 - head/sys/kern
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 13 Apr 2010 08:45:55 -0000

Author: kib
Date: Tue Apr 13 08:45:55 2010
New Revision: 206546
URL: http://svn.freebsd.org/changeset/base/206546

Log:
  Remove XXX comment. Add another comment, describing why f_vnode assignment
  is useful.
  
  MFC after:	3 days

Modified:
  head/sys/kern/vfs_syscalls.c

Modified: head/sys/kern/vfs_syscalls.c
==============================================================================
--- head/sys/kern/vfs_syscalls.c	Tue Apr 13 06:48:37 2010	(r206545)
+++ head/sys/kern/vfs_syscalls.c	Tue Apr 13 08:45:55 2010	(r206546)
@@ -1124,7 +1124,12 @@ kern_openat(struct thread *td, int fd, c
 	NDFREE(&nd, NDF_ONLY_PNBUF);
 	vp = nd.ni_vp;
 
-	fp->f_vnode = vp;	/* XXX Does devfs need this? */
+	/*
+	 * Store the vnode, for any f_type. Typically, the vnode use
+	 * count is decremented by direct call to vn_closefile() for
+	 * files that switched type in the cdevsw fdopen() method.
+	 */
+	fp->f_vnode = vp;
 	/*
 	 * If the file wasn't claimed by devfs bind it to the normal
 	 * vnode operations here.