From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga01.intel.com ([192.55.52.88]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xa4wT-0003hc-KJ for linux-mtd@lists.infradead.org; Fri, 03 Oct 2014 15:38:50 +0000 Message-ID: <1412350705.3795.105.camel@sauron.fi.intel.com> Subject: Re: [RFC/PATCH 1/5] mtd: ubi: Read disturb infrastructure From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: Richard Weinberger Date: Fri, 03 Oct 2014 18:38:25 +0300 In-Reply-To: <542D5BC0.5040207@nod.at> References: <1411886220-8208-1-git-send-email-tlinder@codeaurora.org> <5427C45C.2080506@nod.at> <5427CB6E.7010007@codeaurora.org> <5427CCD8.2090605@nod.at> <5427E6FE.3090906@codeaurora.org> <5427E8CA.8000904@nod.at> <542D49FD.7040204@codeaurora.org> <542D5203.2080601@nod.at> <542D5657.3060208@codeaurora.org> <542D5BC0.5040207@nod.at> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Cc: Tanya Brokhman , linux-arm-msm@vger.kernel.org, open list , dedeking1@gmail.com, linux-mtd@lists.infradead.org, Brian Norris , David Woodhouse List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2014-10-02 at 16:05 +0200, Richard Weinberger wrote: > The question is, do we really need all this values on-flash? Good question, this is why I requested some kind of design description, which would clearly explain the problem. Just off-the top of my head, may be it could be enough to keep the counters only in the UBI headers, may be it is enough to work with some kind of averages. But it is hard to tell without clearly understanding the problem we are solving.