From: Kalpak Shah Subject: Re: [RFC] store RAID stride in superblock Date: Fri, 01 Jun 2007 02:32:29 +0530 Message-ID: <1180645351.3922.1.camel@garfield> References: <20070512020248.GQ6375@schatzie.adilger.int> <20070524114442.GA12526@schatzie.adilger.int> <46559E04.5060002@clusterfs.com> <20070531162109.GA23591@thunk.org> <20070531201902.GF5181@schatzie.adilger.int> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Theodore Tso , Rupesh Thakare , linux-ext4@vger.kernel.org To: Andreas Dilger Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:44778 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750971AbXEaU6z (ORCPT ); Thu, 31 May 2007 16:58:55 -0400 In-Reply-To: <20070531201902.GF5181@schatzie.adilger.int> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Thu, 2007-05-31 at 14:19 -0600, Andreas Dilger wrote: > On May 31, 2007 12:21 -0400, Theodore Tso wrote: > > On Thu, May 24, 2007 at 07:45:32PM +0530, Rupesh Thakare wrote: > > > I've added "s_raid_stripe_width" parameter in superblock. > > > I've also incorporated "s_raid_stride" and "s_raid_stripe_width" > > > parameters in tune2fs. > > > The new options can be specified using '-E options' in both mke2fs and > > > tune2fs. > > > Both the Man pages (mke2fs and tune2fs) are updated accordingly. > > > Patch is attached herewith. > > > > Thanks. I've used a different offset for the raid_stripe_width, to > > avoid conflicting with Kalpak's mmp patch. > > Ah, we've been doing it the other way around here. It makes sense to keep > the s_raid_stripe_width fields together. I think this code is preliminary > enough that nobody has actually started using it yet. Can you please post > what the end of ext2_super_block looks like (whether you decide to reorder > the fields or not). I can update the MMP patches when I actually send them for inclusion. So I think it makes sense to keep the s_raid_* fields together. Thanks, Kalpak. > > Cheers, Andreas > -- > Andreas Dilger > Principal Software Engineer > Cluster File Systems, Inc. > > - > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html