From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Sun, 25 Mar 2007 18:11:39 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id l2Q1BZ6p018396 for ; Sun, 25 Mar 2007 18:11:36 -0700 From: Neil Brown Date: Mon, 26 Mar 2007 11:11:11 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17927.7599.592215.21546@notabene.brown> Subject: Re: XFS and write barriers. In-Reply-To: message from Christoph Hellwig on Friday March 23 References: <17923.11463.459927.628762@notabene.brown> <20070323053043.GD32602149@melbourne.sgi.com> <20070323095055.GA13478@infradead.org> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Christoph Hellwig Cc: David Chinner , xfs@oss.sgi.com On Friday March 23, hch@infradead.org wrote: > > That would be really bad. XFS metadata buffers can have multiple bios > and retrying a single one would be rather difficult. > But would you have multiple bios for a write that had BIO_RW_BARRIER set? That would seem .... odd. NeilBrown