Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262683AbUJ1CYT (ORCPT ); Wed, 27 Oct 2004 22:24:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262693AbUJ1CYS (ORCPT ); Wed, 27 Oct 2004 22:24:18 -0400 Received: from delta.ece.northwestern.edu ([129.105.5.125]:1924 "EHLO delta.ece.northwestern.edu") by vger.kernel.org with ESMTP id S262683AbUJ1CYM (ORCPT ); Wed, 27 Oct 2004 22:24:12 -0400 Message-ID: <418058A8.5080706@ece.northwestern.edu> Date: Wed, 27 Oct 2004 21:25:44 -0500 From: Lei Yang User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.2) Gecko/20040921 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Lei Yang Cc: linux-kernel@vger.kernel.org, kernelnewbies Subject: Re: set blksize of block device References: <417FE6A8.5090803@ece.northwestern.edu> <417FE937.1040304@ece.northwestern.edu> <41804F04.4000300@ece.northwestern.edu> In-Reply-To: <41804F04.4000300@ece.northwestern.edu> X-Enigmail-Version: 0.76.8.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1579 Lines: 62 Or in other words, is there generic routines for block devices such that we could: get (set) block size of a block device; read an existing block (e.g. block 4); write an existing block (e.g. block 5); Please help!!!! TIA Lei Lei Yang wrote: > If nobody could answer this question, what about another one? Is there > a system call or a kernel interface that would allow me to write a > block of data to block 1 of a certain block device? > > Thanks for your reply in advance! > > Lei > > Lei Yang wrote: > >> Please cc me if you have answers to this, I am not on the list. >> Thanks a lot! >> >> Lei Yang wrote: >> >>> Hello, >>> >>> I am learning block device drivers and have a newbie question. Given >>> a block device, is there anyway that I could set its block size? For >>> example, I want to write a block device driver that will work on an >>> existing block device. In this driver, I want block size smaller. >>> (The idea looks confusing but I could explain if anybody is >>> interested :- ) However, typically the block size is 1KB, now I >>> want to set it to 512 or 256. Can I do it? >>> >>> TIA >>> Lei >>> >> >> >> > > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/