Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932125Ab2BMQwP (ORCPT ); Mon, 13 Feb 2012 11:52:15 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:64234 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755481Ab2BMQwM (ORCPT ); Mon, 13 Feb 2012 11:52:12 -0500 Message-ID: <1329152067.22240.214.camel@sauron.fi.intel.com> Subject: Re: [patch] Adding Secure Deletion to UBIFS From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Joel Reardon Cc: linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Mon, 13 Feb 2012 18:54:27 +0200 In-Reply-To: References: Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-kgyEtLFGEhJaOjmQ5UBh" X-Mailer: Evolution 3.2.3 (3.2.3-1.fc16) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2058 Lines: 56 --=-kgyEtLFGEhJaOjmQ5UBh Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, I will try to get into more details soon, but to keep you busy - the first thing to start is to introduce new on-flash format version - because you need more space in 'struct ubifs_branch' On Thu, 2012-02-09 at 16:24 +0100, Joel Reardon wrote: > @@ -742,6 +751,7 @@ struct ubifs_branch { > __le32 lnum; > __le32 offs; > __le32 len; > + __le64 crypto_lookup; > __u8 key[]; > } __packed; Could you make a separate patch which adds new on-flash format and make sure that new ubifs binaries can mount the old formats and work with them. And that old ubifs binaries gracefully reject the new format. --=20 Best Regards, Artem Bityutskiy --=-kgyEtLFGEhJaOjmQ5UBh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJPOUBDAAoJECmIfjd9wqK0NxUQAMkbSqxjb5+pqwGgBxPZH8XZ ad5B3ehyiK7jBOMUZnQczxXohwNcM5fYjIktigD912s1aGxNIDrZbOdCs03+CzFi /4VcZy2yFNhr8ZNCxF74/5r+z1QdG6l5KPcPK9DYrj/dQXVjvhmYjX7qOYWub8wb bdgw131gB1Hg4IKUTGxs8wRUFjV2jnYbidJjripKKN8PxL0pxPiJu4/wEzKhHv2o xkRetVyEEc5m4RDkpe+zqVxWaFeO7DQWGiWeXvnveh4YFWCigziAQqqZ33Ra8Dh6 +2jFpf5/xqr/Q8cNjFmzqGKaF1M/y6CoAhxaGeej2oT+LaM8gNXDdf7YnI1+Xeu5 Js1IEx3Pg0txxwvyt8H1VL6cpm5a5o9LiIvI6M1TAxg4i+dDdmaciFVzUYCqJY9R gQWp9lVk7ItAtsA5O5XucEZ8+WLwd8WQWI8Z/sNG+qbYLykFqEHMELL1051P1TBm 9ma8DGPxeLvCZWT2zfMoJssHBbTiUI3rrYY4G0s4fByYqt2DMeVDqgsVMO0sIYcE aK28dq3KiF7YD1x6U6xIGeaOXO8lmr8vL4tXbJ/GZaddb2mF8xqU1EUooHx+umnl mo0CRuKMOi/5cMTRp5/IVO7mIxlAH+QOSCaHvvhyuMHFNbxvLc+UmsgJsy98P3bO Hy2urMuLfcB4T6htRE0f =INn4 -----END PGP SIGNATURE----- --=-kgyEtLFGEhJaOjmQ5UBh-- -- 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/