Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932234Ab2F2Nrg (ORCPT ); Fri, 29 Jun 2012 09:47:36 -0400 Received: from mga11.intel.com ([192.55.52.93]:39272 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932078Ab2F2Nre (ORCPT ); Fri, 29 Jun 2012 09:47:34 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="asc'?scan'208";a="171639053" Message-ID: <1340977901.3070.210.camel@sauron.fi.intel.com> Subject: Re: [PATCH] UBI: Change the default percentage of reserved PEB From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Richard Genoud Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Date: Fri, 29 Jun 2012 16:51:41 +0300 In-Reply-To: <1340953061-15728-1-git-send-email-richard.genoud@gmail.com> References: <1340953061-15728-1-git-send-email-richard.genoud@gmail.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-mp4pLt36clgX0v8TR3n8" X-Mailer: Evolution 3.2.3 (3.2.3-3.fc16) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2111 Lines: 53 --=-mp4pLt36clgX0v8TR3n8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2012-06-29 at 08:57 +0200, Richard Genoud wrote: > The actual value (1%) is too low for actual NAND devices, a huge > majority of device has 2% maximum bad blocks (SLC or MLC). > (Actually it's 20 blocks on a 1024 blocks device, 40/2048...) >=20 > Signed-off-by: Richard Genoud Thanks. But I'd like to wait a bit - Shmulik's point is fair and the current way UBI reserves PEBs is probably not the right thing to do. If we are going to change it, I'd like to have this patch to go together with that change. Just because it is better to change the default behavior once, than 2 times, to possibly upset/surprise users less times :-) --=20 Best Regards, Artem Bityutskiy --=-mp4pLt36clgX0v8TR3n8 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 v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJP7bLtAAoJECmIfjd9wqK0e4YP/1MT5dnqEE9H5nCk/bvwTQ+N 8irFKi8ueUo2QxxxlHz8TWlSGpPLOd3yNUWUEwT9TuJ2cvOsYacmW3Veh7ddh/sk YCLG+BkDsw7pXSXjQFqBrb9zjhpe1gpBQ8AlCSwQc6sv/mAzWJ4YiTyX4B8S8akK 7G6ID5eRK8vwboEtysSw/b0LgJcF+4i6gl5Zj/PrhU/Wi5oP6nvKPbxVnDGzN7lU 4hIeh+/GKLLzRH4nDeFmTvs9DTi72r/g3/fcUVtMZkCb+Tjhp8zyEaHv6QNyYSzO ArjMiVBKRyPs13flFH2Ui/xqGGBQjZ6/kdXak3/xew8bvRXSXXZD0n3JYdV5wWbE qaIhQUWZN+cMsqSIi+8S+zgRi5tPkKfrU6hUI19i6iRz+amDtx0h/R8+U0Or8rru STRnC5gc8d79pUcBa9VyXjRpTuaxxKnCcVCL8dQrqz6UWUj0UXWxI/0AcGGQKHnw CwgqroQvqT1dSa8VeHad822LuS8G1nDj1ywMX25ACF5RNd+uZI5JeHAK3wjq0hBh 36TRwgPCi2cav157TTeVUn7f6TmcFbtbrDuLGVR59IMzC+w8qcRCORVcloOSd58d 5qGXlj8chs/bERHlyFwFM/nceoczeMrw9YEZ3+qaHwmMvC1BK/NHYamP+qDXXdRO HzhEWVEBYZ1TOBGpGDvc =0kVn -----END PGP SIGNATURE----- --=-mp4pLt36clgX0v8TR3n8-- -- 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/