From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758754Ab1FQMkf (ORCPT ); Fri, 17 Jun 2011 08:40:35 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:61806 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751603Ab1FQMke (ORCPT ); Fri, 17 Jun 2011 08:40:34 -0400 From: Arnd Bergmann To: Andi Kleen Subject: Re: [PATCH 1/5] VFS: Do (nearly) lockless generic_file_llseek Date: Fri, 17 Jun 2011 14:40:14 +0200 User-Agent: KMail/1.13.6 (Linux/3.0.0-rc1nosema+; KDE/4.6.3; x86_64; ; ) Cc: viro@zeniv.linux.org.uk, hch@infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andi Kleen References: <1308258442-19804-1-git-send-email-andi@firstfloor.org> In-Reply-To: <1308258442-19804-1-git-send-email-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201106171440.14224.arnd@arndb.de> X-Provags-ID: V02:K0:ficGNllrxeVJDnSS0I6DKKioPhV9czcygdfUHLqTmRb m+e06T3J+vZL5GRVpWG/OOdHtYidUmvONQ8Luqs9/EByWK0kn/ zJSazSladnkBPimt4dH1YNZfuJ1QiYvCo1a+aS1w/wK8nrwfEy mLcul0SRqugj8Zc96aGp8IJhlihdL0Ll7aqKxGkXtzJTSEZo9u 8CEXsCWjayfHMH0JVlqCQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 16 June 2011 23:07:18 Andi Kleen wrote: > So still need a lock, but can use a cheap local one. > > This patch implements this new scheme in generic_file_llseek. > I dropped generic_file_llseek_unlocked and changed all callers. What about default_llseek? If you change generic_file_llseek, you should probably change that, too. Arnd