Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263790AbUC3SML (ORCPT ); Tue, 30 Mar 2004 13:12:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263798AbUC3SMK (ORCPT ); Tue, 30 Mar 2004 13:12:10 -0500 Received: from [213.234.227.14] ([213.234.227.14]:14570 "EHLO gw.home.net") by vger.kernel.org with ESMTP id S263790AbUC3SMH (ORCPT ); Tue, 30 Mar 2004 13:12:07 -0500 Subject: Re: [Ext2-devel] Re: [RFC, PATCH] Reservation based ext3 preallocation From: Alex Tomas Reply-To: alex@clusterfs.com To: Badari Pulavarty Cc: Andrew Morton , Mingming Cao , tytso@mit.edu, ext2-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org In-Reply-To: <200403300907.33995.pbadari@us.ibm.com> References: <200403190846.56955.pbadari@us.ibm.com> <1080636930.3548.4549.camel@localhost.localdomain> <20040330014523.6a368a69.akpm@osdl.org> <200403300907.33995.pbadari@us.ibm.com> Content-Type: text/plain; charset=KOI8-R Organization: CFS Inc. Message-Id: <1080666763.2119.20.camel@bzzz.home.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Tue, 30 Mar 2004 21:12:43 +0400 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 703 Lines: 17 On ???, 2004-03-30 at 21:07, Badari Pulavarty wrote: > Can you explain this a little more ? What does b->data and b->commited_data > represent ? We are assuming that b->data will always be uptodate. > b_data represents actual information about used/free blocks. b_committed_data represents blocks that freed during current transaction. these blocks must not be allocated. there is good note about this just before ext3_test_allocatable() in balloc.c - 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/