From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755208Ab0KHVZW (ORCPT ); Mon, 8 Nov 2010 16:25:22 -0500 Received: from mail.linux-iscsi.org ([67.23.28.174]:41646 "EHLO linux-iscsi.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754897Ab0KHVZV (ORCPT ); Mon, 8 Nov 2010 16:25:21 -0500 Subject: Re: [RFCv3 00/21] TCM Core and TCM_Loop patches for v2.6.37 From: "Nicholas A. Bellinger" To: Christoph Hellwig Cc: linux-scsi , linux-kernel , FUJITA Tomonori , Mike Christie , Christoph Hellwig , Hannes Reinecke , James Bottomley , Jens Axboe , Boaz Harrosh , Joel Becker In-Reply-To: <20101108143952.GB22121@infradead.org> References: <1287441313-19703-1-git-send-email-nab@linux-iscsi.org> <20101108143952.GB22121@infradead.org> Content-Type: text/plain Date: Mon, 08 Nov 2010 13:20:07 -0800 Message-Id: <1289251207.27226.59.camel@haakon2.linux-iscsi.org> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2010-11-08 at 09:39 -0500, Christoph Hellwig wrote: > Some comments on the configfs to backend API: > > - the various get_*_info methods look like they really should use > the seq_file API. That gives you safety against overflows, > and simplifies the code. Hmmm, it is my understanding that seq_file is currently not available for configfs. Also, we never going to expect these particular calls to return anything close to PAGE_SIZE, so I am not sure how much of an issue this really is. > - why are show_configfs_dev_params and get_dev_info separate > methods if they always end up calling the same code? Hmmm, this was some legacy informational code that no longer has a reason to be seperate. I will get this merged into a single function. > - the set_configfs_dev_params method implementation contains some > rather nast parsing code. They look like they really should use > the parser.h helpers we use for mount option parsing. This code current expects the the incoming buffer to be in the form of 'key0=value0,key1=value1,key2=value2' etc. Assuming that parser.h code can handle the comma seperated values, I will look at getting these converted as well. --nab