From: Dave Kleikamp Subject: Re: block groups with no inode tables Date: Tue, 10 Jul 2007 14:09:05 -0500 Message-ID: <1184094545.13379.20.camel@kleikamp.austin.ibm.com> References: <20070710121221.5478a1e3@rx8> <1184088605.17636.1.camel@colyt43.site> <1184089232.13379.6.camel@kleikamp.austin.ibm.com> <1184083189.3759.15.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: coly li , "Jose R. Santos" , "linux-ext4@vger.kernel.org" To: cmm@us.ibm.com Return-path: Received: from e6.ny.us.ibm.com ([32.97.182.146]:50249 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757448AbXGJTJH (ORCPT ); Tue, 10 Jul 2007 15:09:07 -0400 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l6AJAIsw013951 for ; Tue, 10 Jul 2007 15:10:18 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.3) with ESMTP id l6AJ96ig517878 for ; Tue, 10 Jul 2007 15:09:06 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l6AJ96WO030363 for ; Tue, 10 Jul 2007 15:09:06 -0400 In-Reply-To: <1184083189.3759.15.camel@localhost.localdomain> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Tue, 2007-07-10 at 11:59 -0400, Mingming Cao wrote: > On Tue, 2007-07-10 at 12:40 -0500, Dave Kleikamp wrote: > > On Wed, 2007-07-11 at 01:30 +0800, coly li wrote: > > > Hi, once we decide to do this, how about storing inode inside the > > > directory ? > > > > Which directory? > I think Coly is refering to the idea of > store-inode-inside-in-directory-file. > > It's one way to implement the dynamic inode table allocation. With it > you don't have system-wide inode tables anymore, but all inode > structures are directly stored in the directory file. Assuming you mean the parent directory? An inode isn't tied to a specific parent. ln dir1/file1 dir2/ mv dir1/file1 dir3/ rmdir dir1 What is happens to the inode? I really don't think that the directory is the right place to store an inode. -- David Kleikamp IBM Linux Technology Center