From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dell-paw-3.cambridge.redhat.com ([195.224.55.237] helo=passion.cambridge.redhat.com) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 15Z50i-0006CN-00 for ; Tue, 21 Aug 2001 07:27:36 +0100 From: David Woodhouse In-Reply-To: <3B824989.F4626DBE@sasken.com> References: <3B824989.F4626DBE@sasken.com> To: Ashok M Padmanaban Cc: MTD for Linux , JFFS mailing list Subject: Re: Erase Sector Size Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 21 Aug 2001 07:33:16 +0100 Message-ID: <16243.998375596@redhat.com> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: ashokmp@sasken.com said: > Iam using intels 28F128 Strata flash, According to its data sheet its > erase sector size is 128KB. But with 2.4.2 kernel + rmk2 (patch,diff) > + mtd patch , the erase sector size is 256KB. It's not configurable. You probably have two 16-bit devices arranged in a pair to give a 32-bit data path - which doubles the effective erase size because it doesn't make sense to erase one half at a time. We just need to fix JFFS2 so it isn't so greedy. -- dwmw2