Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755868Ab1C3PXJ (ORCPT ); Wed, 30 Mar 2011 11:23:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40010 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753728Ab1C3PXI (ORCPT ); Wed, 30 Mar 2011 11:23:08 -0400 Date: Wed, 30 Mar 2011 11:22:48 -0400 From: Vivek Goyal To: Tejun Heo Cc: Mike Snitzer , Jens Axboe , Jeff Moyer , Markus Trippelsdorf , Sergey Senozhatsky , linux-kernel@vger.kernel.org, Chris Mason , hch@infradead.org Subject: Re: block: eliminate ELEVATOR_INSERT_REQUEUE Message-ID: <20110330152248.GC1291@redhat.com> References: <20110328082321.GC16530@htj.dyndns.org> <20110328221547.GA1118@redhat.com> <20110329175458.GE24485@redhat.com> <20110330074123.GA17523@htj.dyndns.org> <20110330075752.GC17523@htj.dyndns.org> <4D92E2CD.6000909@kernel.dk> <20110330080203.GD17523@htj.dyndns.org> <20110330140123.GA28212@redhat.com> <20110330142751.GH17523@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110330142751.GH17523@htj.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: 734 Lines: 21 On Wed, Mar 30, 2011 at 04:27:51PM +0200, Tejun Heo wrote: [..] > > And just to be clear: none of this is a concern for stable right? It is > > just the flush-merge code introduced for 2.6.39 that needs fixing? > > I think 2.6.38 needs a -stable fix. It has the previous version of > the new flush implementation and is using front insertion. Tejun, So wee need this as stable fix because FLUSH request can get ahead of REQUEUED requests and it can break some drivers? Thanks Vivek -- 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/