Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758110AbXIUMo3 (ORCPT ); Fri, 21 Sep 2007 08:44:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752327AbXIUMoW (ORCPT ); Fri, 21 Sep 2007 08:44:22 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:49398 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752710AbXIUMoV (ORCPT ); Fri, 21 Sep 2007 08:44:21 -0400 Date: Fri, 21 Sep 2007 13:44:20 +0100 From: Christoph Hellwig To: Miklos Szeredi Cc: akpm@linux-foundation.org, hch@infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [patch 4/5] VFS: allow filesystems to implement atomic open+truncate Message-ID: <20070921124420.GB8088@infradead.org> Mail-Followup-To: Christoph Hellwig , Miklos Szeredi , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <20070921122343.307289079@szeredi.hu> <20070921123334.643828369@szeredi.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070921123334.643828369@szeredi.hu> User-Agent: Mutt/1.4.2.3i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.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: 825 Lines: 20 On Fri, Sep 21, 2007 at 02:23:47PM +0200, Miklos Szeredi wrote: > From: Miklos Szeredi > > Add a new attribute flag ATTR_OPEN, with the meaning: "truncation was > initiated by open() due to the O_TRUNC flag". > > This way filesystems wanting to implement truncation within their > ->open() method can ignore such truncate requests. > > This is a quick & dirty hack, but it comes for free. Fine with me as it doesn't cause any active harm, but expect this to go away once the nfs intent mess is cleaned up and we'll get a real method for this kind of thing. - 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/