From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from imo-m21.mx.aol.com ([64.12.137.2]) by pentafluge.infradead.org with esmtp (Exim 4.63 #1 (Red Hat Linux)) id 1IW9Hm-0004Uq-AD for linux-mtd@lists.infradead.org; Fri, 14 Sep 2007 12:24:37 +0100 Received: from payagond@aol.com by imo-m21.mx.aol.com (mail_out_v38_r9.2.) id 3.ca3.18d4e84c (34917) for ; Fri, 14 Sep 2007 07:24:21 -0400 (EDT) To: linux-mtd@lists.infradead.org Content-Transfer-Encoding: 7bit Subject: Increasing read request size in JFFS2 Date: Fri, 14 Sep 2007 07:24:21 -0400 MIME-Version: 1.0 From: payagond@aol.com Content-Type: text/plain; charset="us-ascii"; format=flowed Message-Id: <8C9C4D8EE8B6B02-F08-232@webmail-mf13.sysops.aol.com> List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, I want to know, whether, we can exploit the fast sequential read (multiple pages at one go) feature of a nand flash device by existing JFFS2 code. read_pages in readahead decides to call either mapping->a_ops->readpages or mapping->a_ops->readpage can I implement jffs2_readpages to do so? The problem I feel is (if I have understood correctly) To read more pages at one shot, we need to anyway read the jffs2_raw_inode header first and then calculate the lenth to read, will it give me more performance than what is existing? regards payagond ________________________________________________________________________ Email and AIM finally together. You've gotta check out free AOL Mail! - http://mail.aol.com