Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751217AbWBMIFi (ORCPT ); Mon, 13 Feb 2006 03:05:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751222AbWBMIFh (ORCPT ); Mon, 13 Feb 2006 03:05:37 -0500 Received: from iabervon.org ([66.92.72.58]:18447 "EHLO iabervon.org") by vger.kernel.org with ESMTP id S1751217AbWBMIFf (ORCPT ); Mon, 13 Feb 2006 03:05:35 -0500 Date: Mon, 13 Feb 2006 03:05:49 -0500 (EST) From: Daniel Barkalow To: Greg KH cc: Bill Davidsen , Nix , Jens Axboe , Joerg Schilling , linux-kernel@vger.kernel.org Subject: Re: CD writing in future Linux (stirring up a hornets' nest) In-Reply-To: <20060213062158.GA2335@kroah.com> Message-ID: References: <20060125153057.GG4212@suse.de> <43D7AF56.nailDFJ882IWI@burner> <20060125181847.b8ca4ceb.grundig@teleline.es> <20060125173127.GR4212@suse.de> <43D7C1DF.1070606@gmx.de> <878xt3rfjc.fsf@amaterasu.srvr.nix> <43ED005F.5060804@tmr.com> <20060210235654.GA22512@kroah.com> <20060213062158.GA2335@kroah.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1509 Lines: 35 On Sun, 12 Feb 2006, Greg KH wrote: > On Mon, Feb 13, 2006 at 12:01:48AM -0500, Daniel Barkalow wrote: > > sysfs doesn't do quite that level of categorization; if it did, cdrom_id > > would be unnecessary. > > What? cdrom_id queries the device directly to get some specific > information about the device, much like any other type of device query > (lspci, lsusb, etc.) > > And yes, it would be nice if some of that information was also exported > through sysfs, and as always, patches are gladly accpeted. Are there guidelines on having a generic cdrom export information from its block interface, rather than through its bus? I'm not finding any documentation of sys/block/, aside from that it exists. > > It would be nice if you could do > > "grep 1 /sys/block/*/burns_cds" and get a list of all the block devices in > > your system that burn cds. (You can currently get a list of all of the > > removable block devices in your system, but not much else.) > > Well, I can see if they are disks or cdroms through sysfs quite easily, > removable or not, so you do get more information than you expect. Ah, okay, this is in the current -rcs. I was only looking at 2.6.15 (and before), which is too old. -Daniel *This .sig left intentionally blank* - 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/