From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Bityutskiy Subject: Re: [patch] Adding Secure Deletion to UBIFS Date: Mon, 13 Feb 2012 18:54:27 +0200 Message-ID: <1329152067.22240.214.camel@sauron.fi.intel.com> References: Reply-To: dedekind1@gmail.com Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-kgyEtLFGEhJaOjmQ5UBh" Cc: linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Joel Reardon Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org --=-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--