From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-fx0-f49.google.com ([209.85.161.49]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1OaPS7-0000Od-Up for linux-mtd@lists.infradead.org; Sun, 18 Jul 2010 08:42:28 +0000 Received: by fxm3 with SMTP id 3so1948569fxm.36 for ; Sun, 18 Jul 2010 01:42:27 -0700 (PDT) Subject: Re: Snapshot in UBIFS From: Artem Bityutskiy To: mob@certi.org.br In-Reply-To: <4C3B8471.6020803@certi.org.br> References: <4C3B8471.6020803@certi.org.br> Content-Type: text/plain; charset="UTF-8" Date: Sun, 18 Jul 2010 11:42:23 +0300 Message-Id: <1279442543.16247.41.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2010-07-12 at 18:09 -0300, Moises Beck wrote: > Hello, > I would like to know if is it possible to take a snapshot of an > UBIFS, so that you can come back in time if a system update crashes, for > example ? No, it is not possible. Although the FS design allows adding this feature, but this needs a lot of work. Indeed, UBIFS is one huge B-tree, so the same approach as in btrfs can be used. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)