Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750762AbVJROOV (ORCPT ); Tue, 18 Oct 2005 10:14:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750763AbVJROOV (ORCPT ); Tue, 18 Oct 2005 10:14:21 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:47239 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1750762AbVJROOU (ORCPT ); Tue, 18 Oct 2005 10:14:20 -0400 Date: Wed, 19 Oct 2005 00:12:18 +1000 From: Nathan Scott To: Roushan Ali Cc: linux-kernel@vger.kernel.org Subject: Re: file system block size Message-ID: <20051019001218.B5830881@wobbly.melbourne.sgi.com> References: <30b4e63b0510172252x1dfca9f2l75bb0f183aecf7bb@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <30b4e63b0510172252x1dfca9f2l75bb0f183aecf7bb@mail.gmail.com>; from roushan.ali@gmail.com on Tue, Oct 18, 2005 at 11:22:27AM +0530 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 22 On Tue, Oct 18, 2005 at 11:22:27AM +0530, Roushan Ali wrote: > Hi All, > we want to write a new file system with block size more than > 4KB. Can anyone suggest us how should we proceed ? With great difficulty. ;) There is really no support for this in the generic page cache code in the kernel, and you'd probably need some mechanism for doing multi-page metadata IOs. There's been sporadic discussion on fs-devel and linux-xfs in the past on this topic - you could search those archives for details. cheers. -- Nathan - 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/