From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755033AbYEaI3o (ORCPT ); Sat, 31 May 2008 04:29:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751584AbYEaI3f (ORCPT ); Sat, 31 May 2008 04:29:35 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:46928 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751290AbYEaI3f (ORCPT ); Sat, 31 May 2008 04:29:35 -0400 Date: Sat, 31 May 2008 04:29:34 -0400 From: Christoph Hellwig To: Miklos Szeredi Cc: linux-fsdevel@vger.kernel.org, hch@infradead.org, viro@ZenIV.linux.org.uk, linux-kernel@vger.kernel.org Subject: Re: [patch 8/8] vfs: create file_remove_suid() helper Message-ID: <20080531082934.GG24135@infradead.org> References: <20080529113245.450308367@szeredi.hu> <20080529113318.257547449@szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080529113318.257547449@szeredi.hu> User-Agent: Mutt/1.5.17 (2007-11-01) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 29, 2008 at 01:32:53PM +0200, Miklos Szeredi wrote: > From: Miklos Szeredi > > All calls to remove_suid() are made with a file pointer. This is not > accidental: similarly to file_update_time(), this function is called > when the file is written. > > So simplify callers by passing the file pointer instead of the dentry. It's not simplifying anything at all. You just move the pointer derefence down one step the callchain without any need.