Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932067Ab2FAILA (ORCPT ); Fri, 1 Jun 2012 04:11:00 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:47834 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758842Ab2FAIK5 (ORCPT ); Fri, 1 Jun 2012 04:10:57 -0400 Message-ID: <4FC8790D.8070801@nod.at> Date: Fri, 01 Jun 2012 10:10:53 +0200 From: Richard Weinberger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120427 Thunderbird/12.0.1 MIME-Version: 1.0 To: dedekind1@gmail.com CC: Adrian Hunter , linux-mtd@lists.infradead.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, Heinz.Egger@linutronix.de, tim.bird@am.sony.com Subject: Re: [PATCH] [RFC] UBI: Implement Fastmap support References: <1337771191-95358-1-git-send-email-richard@nod.at> <1337771191-95358-2-git-send-email-richard@nod.at> <4FC85780.9070200@intel.com> <4FC8768E.1010703@nod.at> <1338538244.2536.147.camel@sauron.fi.intel.com> In-Reply-To: <1338538244.2536.147.camel@sauron.fi.intel.com> X-Enigmail-Version: 1.4.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1E30CB438074B695CEEF2453" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1735 Lines: 48 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1E30CB438074B695CEEF2453 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Am 01.06.2012 10:10, schrieb Artem Bityutskiy: > On Fri, 2012-06-01 at 10:00 +0200, Richard Weinberger wrote: >> True. But why is this a problem? >> If we can recovers using a full scan after a power cut we are fine. >=20 > Does fastmap have zero power-cut tolerance by design? Yes. E.g. If the fastmap was not written corretly the CRC will not match and w= e fall back to scanning. That's why fastmap tries hard to fallback to scanning if any= thing goes wrong. Why should we make fastmap even more complicated than it already is? Thanks, //richard --------------enig1E30CB438074B695CEEF2453 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQEcBAEBAgAGBQJPyHkOAAoJEN9758yqZn9eGcwH/jiz+9N7xd07v8Ttx7fHmZxh wTMw1IbIfBfZezWLhHjn2UOv3TG2UUdJTq97ZVtWjX6KXLDo8v/kaB8V1/aKELCl uWlIvjkZZ/MmhKgkUu/ektm0lnc4U6oWS+FAo8pQDgAOpoIzqfWLx9k5E3ozAJO0 jGrVPoAcNSKzjQOtwEkJR2P5AOEAWSoVOyAo2UKyMKdEbF6Synk4UScPSVt+eRWs fbdgDxnY+izwe3VjBdM4Fxl8H+u2wN5Z5hRTGuQ1GFlS0Q0uEp7HGZ50uvlVAcaa 3PIcDSIA4q5yHvkna5aahiLN1qSFv9Bm0QfThznLJM9zW+qyG63HQfwR74Hq08M= =mrC6 -----END PGP SIGNATURE----- --------------enig1E30CB438074B695CEEF2453-- -- 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/