Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934242AbXILCGv (ORCPT ); Tue, 11 Sep 2007 22:06:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934150AbXILCGh (ORCPT ); Tue, 11 Sep 2007 22:06:37 -0400 Received: from vsmtp03.dti.ne.jp ([202.216.231.138]:43818 "EHLO vsmtp03.dti.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934056AbXILCGg (ORCPT ); Tue, 11 Sep 2007 22:06:36 -0400 From: hooanon05@yahoo.co.jp Subject: Re: [RFC] Union Mount: Readdir approaches To: "Josef 'Jeff' Sipek" Cc: Bharata B Rao , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, hch@infradead.org, Jan Blunck In-Reply-To: <20070911165547.GA26515@filer.fsl.cs.sunysb.edu> References: <20070907054618.GD1692@in.ibm.com> <20070907075855.GG1692@in.ibm.com> <20070907173941.GB20360@filer.fsl.cs.sunysb.edu> <20070911165547.GA26515@filer.fsl.cs.sunysb.edu> Date: Wed, 12 Sep 2007 11:05:56 +0900 Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 511 Lines: 15 "Josef 'Jeff' Sipek": > So, if I understand correctly, you create the entire block as if you were > going to write to disk? Unionfs keeps the data in a linked list. Basically yes. But the dir block in cache has no hole which is contiguous memory. Junjiro Okajima - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/