Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755636Ab0LJRv2 (ORCPT ); Fri, 10 Dec 2010 12:51:28 -0500 Received: from mail-yw0-f46.google.com ([209.85.213.46]:55958 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753340Ab0LJRv1 convert rfc822-to-8bit (ORCPT ); Fri, 10 Dec 2010 12:51:27 -0500 MIME-Version: 1.0 In-Reply-To: References: <1291908337-18805-1-git-send-email-lczerner@redhat.com> <20101209192050.GA26457@suse.de> From: Kay Sievers Date: Fri, 10 Dec 2010 18:51:10 +0100 Message-ID: Subject: Re: [RFC PATCH 0/2 v1] Ioctl for reading block queue information To: Lukas Czerner Cc: Andreas Dilger , Greg KH , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, tytso@mit.edu, sandeen@redhat.com, hch@infradead.org, axboe@kernel.dk Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1281 Lines: 30 On Fri, Dec 10, 2010 at 15:07, Lukas Czerner wrote: > On Thu, 9 Dec 2010, Andreas Dilger wrote: > >> On 2010-12-09, at 12:20, Greg KH wrote: >> > On Thu, Dec 09, 2010 at 04:25:35PM +0100, Lukas Czerner wrote: >> >> For a long time it has been pretty painful to retrieve informations from >> >> /sys/block/*/queue for particular block device. Not only it is painful >> >> to retrieve informations within C tool, parsing strings, etc, but one >> >> have to run into problem even finding the proper path in sysfs. >> > >> > What's wrong with using libudev?  That should give you all of this >> > information easily using a .c program without any need to change the >> > kernel at all. > > What's wrong with using libudev ? Well, fist of all I have never heard > about it:), one can argue this is kind of my fault, and second of all > the documentation is kind of non-existent (almost). What else do you need? http://www.kernel.org/pub/linux/utils/kernel/hotplug/libudev/ Let me know, we can add it. Thanks, Kay -- 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/