Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263793AbUDVDFf (ORCPT ); Wed, 21 Apr 2004 23:05:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263794AbUDVDFf (ORCPT ); Wed, 21 Apr 2004 23:05:35 -0400 Received: from fw.osdl.org ([65.172.181.6]:5869 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263793AbUDVDFe (ORCPT ); Wed, 21 Apr 2004 23:05:34 -0400 Date: Wed, 21 Apr 2004 20:05:28 -0700 (PDT) From: Linus Torvalds To: Badari Pulavarty cc: Andrew Morton , linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net Subject: Re: ext3 reservation question. In-Reply-To: <200404211655.47329.pbadari@us.ibm.com> Message-ID: References: <200404211655.47329.pbadari@us.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 794 Lines: 21 On Wed, 21 Apr 2004, Badari Pulavarty wrote: > > I am worried about a case, where multiple threads writing to > different parts of same file - there by each thread thrashing > reservation window (since each one has its own goal). Didn't we have a patch two years ago or something floating around with doing lazy (delayed) block allocation on ext2 - doing the actual allocation only when writing the thing out? Then you shouldn't have this problem under any normal load, hopefully. Or was it just some idle discussion that I remember? Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/