From: Yongqiang Yang Subject: Re: [PATCH v1 00/30] Ext4 snapshots Date: Thu, 9 Jun 2011 09:59:50 +0800 Message-ID: References: <1307459283-22130-1-git-send-email-amir73il@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: "Amir G." , linux-ext4@vger.kernel.org, tytso@mit.edu, linux-kernel@vger.kernel.org, sandeen@redhat.com To: Lukas Czerner Return-path: Received: from mail-px0-f179.google.com ([209.85.212.179]:45393 "EHLO mail-px0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750890Ab1FIB7u (ORCPT ); Wed, 8 Jun 2011 21:59:50 -0400 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: > But I do understand the difference. And also, when it comes to fs level > snapshotting I would suspect that it would do something we can not do > with the current solutions, for example per-file or per-directory snapshots, > cat ext4 snapshots do that ? Hi Lukas, I noticed that there is no answer to this question in the thread. I can give the question the answer that ext4 can snapshot per-file or per-directory, and can exclude some files or directories from being snapshotted. -- Best Wishes Yongqiang Yang