Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp401405ybz; Fri, 24 Apr 2020 02:23:19 -0700 (PDT) X-Google-Smtp-Source: APiQypKi7GCCu3/DXEmLTrarAQ8AD039TL5hwK94XQqMtUuO7/Qj6reKSdipie5IuURYcTO3dPzX X-Received: by 2002:a50:9ea1:: with SMTP id a30mr6592839edf.318.1587720199326; Fri, 24 Apr 2020 02:23:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587720199; cv=none; d=google.com; s=arc-20160816; b=aMY7y6CIztgCBca/pBnZJMW9YMMhlfEoa9kZEy4nCcPtIn7iZZ5l9Rl84V0kyF3jwl 0+o1+6IyHeVZQK8EA+2T+NSGtdaUZl43qmCH0B49j4iMW5cWpK5of3APWeixXGOpwRcy YpsOGuI87jgbQZLkHbLWUw28J4kjqoq2YpVX4nSNU+dsob5pTtfpVcGzDqvCRiAe12Cu I7VVYrgIn59uRbMoWPs5S64sVqKG937xQsj94LN8DPxBWoFQroqC40j0axs2ufOCb4qf bC64MTVDYjaIaVu38ZMg/QSIsfhX4ZLy95aWWilvHxAjBrkkqPeM36U5OkzK9UQxfsWG 915g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=UWqVinfBSf/qAd1Du8GY3w/Fvbr/yYXIrlEaeR2zQGQ=; b=qnKhl9CDj/ng0vzhxqhkFNIlG4ek2wKhubLjssotlsj1mXkFYuBvNjBEBffZE4D2OW Z5YuGcppyHK9Ygb9MnYsOuyw+PkFB5jCVVhJQMJUs7gpmojnLVRd8KE9AgtKSp3MDBnU 5LAjzkPHrZD+rCqukl8j3+nbrF0KtnOGOizUt4dEqHiqZiaoKgkhMYVQqJR+hocJvEjG il8z+UCJnb6ixaVqS40nHS0fECVw8r4jpSGJOodyfYZvc+0V0qfZNh+40HYxHlcghu4I hQCGlp8GUllM0+Zj1FcFJ4TfwekDyQNHWLScuDhiSMqVDYg92zX80aDSAOz1S1ZFYb/5 osug== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j17si2723216edq.404.2020.04.24.02.22.55; Fri, 24 Apr 2020 02:23:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726814AbgDXJV2 (ORCPT + 99 others); Fri, 24 Apr 2020 05:21:28 -0400 Received: from mx2.suse.de ([195.135.220.15]:39218 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726298AbgDXJV1 (ORCPT ); Fri, 24 Apr 2020 05:21:27 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 3DC11ACC3; Fri, 24 Apr 2020 09:21:25 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 229841E128C; Fri, 24 Apr 2020 11:21:25 +0200 (CEST) Date: Fri, 24 Apr 2020 11:21:25 +0200 From: Jan Kara To: Christoph Hellwig Cc: Jan Kara , Jens Axboe , Tim Waugh , Borislav Petkov , Jan Kara , linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/7] isofs: stop using ioctl_by_bdev Message-ID: <20200424092125.GA13069@quack2.suse.cz> References: <20200423071224.500849-1-hch@lst.de> <20200423071224.500849-7-hch@lst.de> <20200423110347.GE3737@quack2.suse.cz> <20200424065253.GB23754@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200424065253.GB23754@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 24-04-20 08:52:53, Christoph Hellwig wrote: > On Thu, Apr 23, 2020 at 01:03:47PM +0200, Jan Kara wrote: > > There's no error handling in the caller and this function actually returns > > unsigned int... So I believe you need to return 0 here to maintain previous > > behavior (however suspicious it may be)? > > Indeed, and I don't think it is suspicious at all - if we have no CDROM > info we should assume session 0, which is the same as for non-CDROM > devices. Fixed for the next version. Right, I've realized that once I've checked UDF version and thought about it for a while... Honza -- Jan Kara SUSE Labs, CR