Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269390AbUICI2D (ORCPT ); Fri, 3 Sep 2004 04:28:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269363AbUICIXO (ORCPT ); Fri, 3 Sep 2004 04:23:14 -0400 Received: from imladris.demon.co.uk ([193.237.130.41]:27141 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S269394AbUICITc (ORCPT ); Fri, 3 Sep 2004 04:19:32 -0400 Date: Fri, 3 Sep 2004 09:19:26 +0100 From: Christoph Hellwig To: Amit Gud Cc: Chris Wedgwood , linux-kernel@vger.kernel.org, gud@eth.net Subject: Re: Using filesystem blocks Message-ID: <20040903091926.B2288@infradead.org> Mail-Followup-To: Christoph Hellwig , Amit Gud , Chris Wedgwood , linux-kernel@vger.kernel.org, gud@eth.net References: <2c6b3ab004090212293b394b41@mail.gmail.com> <20040902200743.GB6875@taniwha.stupidest.org> <2c6b3ab0040902215656704680@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <2c6b3ab0040902215656704680@mail.gmail.com>; from amitgud@gmail.com on Fri, Sep 03, 2004 at 10:26:23AM +0530 X-SRS-Rewrite: SMTP reverse-path rewritten from by phoenix.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 871 Lines: 20 On Fri, Sep 03, 2004 at 10:26:23AM +0530, Amit Gud wrote: > > > > > Is it wise enough to abstract away the usage of blocks for storing > > > extended attributes? > > > > No. Some fs' will store xattr data in the inodes if it fits. > > > > First up, why is mbcache code is written at VFS layer than being > filesystem specific? Neccessarily to take away the coding overheads of > maintaining block cache that any filesystem uses, even though given > that only ext2 and ext3 uses it. It facilitates code reuse. It is not written at the VFS level. It's a library ontop of the buffercache than can be reused by filesystems. - 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/