Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162233Ab1FAI60 (ORCPT ); Wed, 1 Jun 2011 04:58:26 -0400 Received: from cantor.suse.de ([195.135.220.2]:46530 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162155Ab1FAI5p (ORCPT ); Wed, 1 Jun 2011 04:57:45 -0400 Date: Wed, 1 Jun 2011 17:58:16 +0900 From: Greg KH To: Tejun Heo Cc: linux-kernel@vger.kernel.org, stable@kernel.org, stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Jens Axboe Subject: Re: [026/146] block: dont block events on excl write for non-optical Message-ID: <20110601085816.GA12801@suse.de> References: <20110601080606.GA522@kroah.com> <20110601080253.331790414@blue.kroah.org> <20110601081514.GG23067@mtj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110601081514.GG23067@mtj.dyndns.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1788 Lines: 46 On Wed, Jun 01, 2011 at 05:15:14PM +0900, Tejun Heo wrote: > Hello, Greg. > > On Wed, Jun 01, 2011 at 04:59:22PM +0900, Greg KH wrote: > > 2.6.38-stable review patch. If anyone has any objections, please let us know. > > > > ------------------ > > devices > > > > From: Tejun Heo > > > > commit d4dc210f69bcb0b4bef5a83b1c323817be89bad1 upstream. > > > > Disk event code automatically blocks events on excl write. This is > > primarily to avoid issuing polling commands while burning is in > > progress. This behavior doesn't fit other types of devices with > > removeable media where polling commands don't have adverse side > > effects and door locking usually doesn't exist. > > > > This patch introduces new genhd flag which controls the auto-blocking > > behavior and uses it to enable auto-blocking only on optical devices. > > > > Note for stable: 2.6.38 and later only > > This one should be accompanied by the following commit which is > currently in Jens' tree and will soon be pulled into Linus' tree. > Sorry about the fuss. ->check_events() update turned out to be much > more fragile than I originally expected. :( > > commit 4c49ff3fe128ca68dabd07537415c419ad7f82f9 > Author: Tejun Heo > Date: Wed Jun 1 08:27:41 2011 +0200 > > block: blkdev_get() should access ->bd_disk only after success As I can't take it into -stable until it hits Linus's tree, I'll have to wait until then. Hopefully it hits there soon, I'll watch out for it. thanks for letting me know. greg k-h -- 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/