Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755739AbZDMGOZ (ORCPT ); Mon, 13 Apr 2009 02:14:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754726AbZDMGOP (ORCPT ); Mon, 13 Apr 2009 02:14:15 -0400 Received: from pfepb.post.tele.dk ([195.41.46.236]:46030 "EHLO pfepb.post.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754676AbZDMGOP (ORCPT ); Mon, 13 Apr 2009 02:14:15 -0400 Date: Mon, 13 Apr 2009 08:16:19 +0200 From: Sam Ravnborg To: Daniel Collins Cc: linux-kernel@vger.kernel.org, Tejun Heo , Jens Axboe Subject: Re: 2.6.28 /proc/diskstats Message-ID: <20090413061619.GA1909@uranus.ravnborg.org> References: <49E13D18.2090805@solemnwarning.net> <49E29386.20204@solemnwarning.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49E29386.20204@solemnwarning.net> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1490 Lines: 40 On Mon, Apr 13, 2009 at 02:21:10AM +0100, Daniel Collins wrote: > I've stepped through the commits in linux-2.6, the first revision with > this behavior is 074a7aca7afa6f230104e8e65eba3420263714a5 It would be a good idea to: 1) mention the subject of said path as no-one remember all these SHA-1 anyway (but include the SHA-1 for reference. 2) copy the author of said patch. The relevant patch is: "block: move stats from disk to part0" I have copied Tejun and JEns. The rest of the mail kept for reference. Sam > > Daniel Collins wrote: > >Hi > > > >Since 2.6.28, fd0 isn't visible in /proc/diskstats from boot, only > >after access/mount. It is visible in /sys/block/ from boot, so there > >are no issues detecting it. This may also affect other devices such as > >hda but I haven't tested this yet, my test system and QEMU both only > >have ram0-ram15 from boot. I have tested 2.6.30-rc1 and found the same > >behavior. Is this a bug or a deliberate change? > > > >Thanks > -- > 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/ -- 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/