From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Weimer Subject: Re: Efficient way to import snapshots? Date: Tue, 31 Jul 2007 09:54:54 +0200 Message-ID: <87r6mpj9dd.fsf@mid.deneb.enyo.de> References: <20070730180710.GA64467@nowhere> <20070730192922.GB64467@nowhere> <20070730222028.GE64467@nowhere> <85odht3xd1.fsf@lola.goethe.zz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Tue Jul 31 09:55:01 2007 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1IFmZI-0002jt-Kq for gcvg-git@gmane.org; Tue, 31 Jul 2007 09:55:00 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751018AbXGaHy6 (ORCPT ); Tue, 31 Jul 2007 03:54:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750843AbXGaHy6 (ORCPT ); Tue, 31 Jul 2007 03:54:58 -0400 Received: from mail.enyo.de ([212.9.189.167]:4055 "EHLO mail.enyo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750825AbXGaHy5 (ORCPT ); Tue, 31 Jul 2007 03:54:57 -0400 Received: from deneb.vpn.enyo.de ([212.9.189.177] helo=deneb.enyo.de) by mail.enyo.de with esmtp id 1IFmZE-0001x5-4u for git@vger.kernel.org; Tue, 31 Jul 2007 09:54:56 +0200 Received: from fw by deneb.enyo.de with local (Exim 4.67) (envelope-from ) id 1IFmZC-0002dp-TS for git@vger.kernel.org; Tue, 31 Jul 2007 09:54:54 +0200 In-Reply-To: <85odht3xd1.fsf@lola.goethe.zz> (David Kastrup's message of "Tue, 31 Jul 2007 08:23:22 +0200") Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: * David Kastrup: > a) one thread for opendir/readdir at every directory level > b) one thread for stating the files in readdir order (more likely to > correspond to the disk layout than sorted order) Not true for ext3. You need to sort by the d_ino field. This also tends to be benefit other file systems more than readdir order.