From: Andreas Dilger Subject: Re: + ext4-rename-logic_sb_block.patch added to -mm tree Date: Fri, 6 Oct 2006 00:07:57 -0600 Message-ID: <20061006060757.GI22010@schatzie.adilger.int> References: <200610060306.k96368Tu015253@shell0.pdx.osdl.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:34500 "EHLO mail.clusterfs.com") by vger.kernel.org with ESMTP id S932612AbWJFGIA (ORCPT ); Fri, 6 Oct 2006 02:08:00 -0400 To: akpm@osdl.org Content-Disposition: inline In-Reply-To: <200610060306.k96368Tu015253@shell0.pdx.osdl.net> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Oct 05, 2006 20:06 -0700, akpm@osdl.org wrote: > Subject: ext4: rename logic_sb_block > From: Andrew Morton > > I assume this means "logical sb block". So call it that. > > I still don't understand the name though. A block is a block. What's > different about this one? The ext3 superblock is at a 1kB offset from the start of the device. For 1kB blocksize filesystems this is at block 1, while for 2kB+ blocksize filesystems this is block 0 + 1024 bytes... Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.