From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.nokia.com ([192.100.122.230] helo=mgw-mx03.nokia.com) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1Jov2q-0007qM-QE for linux-mtd@lists.infradead.org; Thu, 24 Apr 2008 06:35:01 +0000 Subject: Re: [RFC][patch] NAND partial page read functionality From: Artem Bityutskiy To: Hamish Moffatt In-Reply-To: References: Content-Type: text/plain; charset=UTF-8 Date: Thu, 24 Apr 2008 09:34:36 +0300 Message-Id: <1209018876.11721.100.camel@sauron> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Cc: dwmw2@infradead.org, Thomas Gleixner , linux-mtd@lists.infradead.org, Alexey Korolev Reply-To: dedekind@infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2007-12-13 at 18:15 +0000, Alexey Korolev wrote: > Hi=20 >=20 > Here is a patch providing partial page read functionality for NAND > devices.=20 >=20 > In many cases it gives performacne boost. I've added this feature > enabling under chip->options flag.=20 > Setting NAND_PART_READ option in board driver will enable this feature. Hamish, this stuff should certainly help you. You could give it a try. Unfortunately Alexey gave up almost straight away and did not try to push his work harder.The arguments against the patch were weak, and addressable. This work needs some more efforts and it may get merged. Moreover, Alexey came with impressive numbers, and it is difficult to argue against. Would you give it a try? If it gives performance benefits for you, I think we could raise this again. Look here for the full story:=20 http://lists.infradead.org/pipermail/linux-mtd/2007-December/020105.html --=20 Best regards, Artem Bityutskiy (=D0=91=D0=B8=D1=82=D1=8E=D1=86=D0=BA=D0=B8=D0=B9 =D0=90= =D1=80=D1=82=D1=91=D0=BC)