From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: MLC Support in JFFS2 From: David Woodhouse To: apgmoorthy In-Reply-To: <42F6638D897B4BA7B729CBC244D9F6E4@sisodomain.com> References: <5205AB2678D945D194F6372BE9297942@sisodomain.com> <1243432517.11172.32.camel@localhost.localdomain> <1244554687.4538.16.camel@macbook.infradead.org> <9061742E1E7840C6B7016A210EF848AB@sisodomain.com> <1244712906.5847.414.camel@localhost.localdomain> <2AF67696C6634054B7CFDF7A9C19865D@sisodomain.com> <1244803363.5847.446.camel@localhost.localdomain> <3E83C7DF574149B78FFE8D12094FAF6D@sisodomain.com> <1244808209.5847.447.camel@localhost.localdomain> <5156D5DBD34A4A5984AE3F3840C0452F@sisodomain.com> <1244813557.3511.1272.camel@macbook.infradead.org> <42F6638D897B4BA7B729CBC244D9F6E4@sisodomain.com> Content-Type: text/plain Date: Mon, 22 Jun 2009 20:15:13 +0100 Message-Id: <1245698113.25547.229.camel@macbook.infradead.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Cc: 'Amit Kumar Sharma' , vishak.g@samsung.com, 'Amul Saha' , kyungmin.park@samsung.com, linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2009-06-19 at 12:20 +0530, apgmoorthy wrote: > Hi David, > > Currenlty , Is there a way to use JFFS2 with MLC Memories ( NOP == 1 )? > > If not , Felt that any one of the following patch can be of use > > 1. http://lists.infradead.org/pipermail/linux-mtd/2007-December/020047.html > - Which removes the Clean Marker. There was a reason for the cleanmarker -- it saved us from using partly-erased blocks for data. Do you have some other way to guarantee that this won't happen? (Sorry, I think we may have had this discussion before, but I've forgotten the conclusion, if there was one. It was academic at the time, since we didn't have any solution for the paired-page insanity anyway. I was mostly just burying my head in the sand and hoping this stupid 'MLC' crap would go away.) -- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation