From: Ric Wheeler Subject: Re: Large directories and poor order correlation Date: Tue, 15 Mar 2011 10:36:03 -0400 Message-ID: <4D7F7953.9080705@gmail.com> References: <4D7E7990.90209@cfl.rr.com> <4D7E7C7F.1040509@redhat.com> <4D7E8005.4030201@cfl.rr.com> <20110314215249.GE8120@thunk.org> <4D7EA83D.20400@cfl.rr.com> <20110315001448.GG8120@thunk.org> <4D7F7134.7080209@cfl.rr.com> <20110315143300.GC1699@bitwizard.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Phillip Susi , Ted Ts'o , Eric Sandeen , "linux-ext4@vger.kernel.org" To: Rogier Wolff Return-path: Received: from mail-vx0-f174.google.com ([209.85.220.174]:37199 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757849Ab1COOgG (ORCPT ); Tue, 15 Mar 2011 10:36:06 -0400 Received: by vxi39 with SMTP id 39so607998vxi.19 for ; Tue, 15 Mar 2011 07:36:05 -0700 (PDT) In-Reply-To: <20110315143300.GC1699@bitwizard.nl> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 03/15/2011 10:33 AM, Rogier Wolff wrote: > On Tue, Mar 15, 2011 at 10:01:24AM -0400, Phillip Susi wrote: >> To try and clarify this point a bit, are you saying that applications >> like tar and rsync should be patched to sort the directory by inode >> number, rather than it being the job of the fs to return entries in a >> good order? > IMHO, it is the job of the FS to perform well in common cases. > > Roger. > Some file systems do this well. The thread here is more focused on dealing with issues for file systems that handle this poorly :) Ric