From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933147AbYETO7Q (ORCPT ); Tue, 20 May 2008 10:59:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757535AbYETO65 (ORCPT ); Tue, 20 May 2008 10:58:57 -0400 Received: from mail2.shareable.org ([80.68.89.115]:44431 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757323AbYETO64 (ORCPT ); Tue, 20 May 2008 10:58:56 -0400 Date: Tue, 20 May 2008 15:58:13 +0100 From: Jamie Lokier To: Chris Mason Cc: Andrew Morton , Eric Sandeen , Theodore Tso , Andi Kleen , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 0/4] (RESEND) ext3[34] barrier changes Message-ID: <20080520145813.GE16676@shareable.org> Mail-Followup-To: Chris Mason , Andrew Morton , Eric Sandeen , Theodore Tso , Andi Kleen , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <482DDA56.6000301@redhat.com> <4830E60A.2010809@redhat.com> <20080518211140.b29bee30.akpm@linux-foundation.org> <200805191316.27551.chris.mason@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805191316.27551.chris.mason@oracle.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Chris Mason wrote: > Everyone thinks the barriers are slow because we also think running > without barriers is mostly safe. +1. There really hasn't been much effort at optimising barriers. > Making them faster in general may be possible, but they are somewhat > pushed off to the side right now because so few people are running them. +1 too. -- Jamie