From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753831AbaCLKzb (ORCPT ); Wed, 12 Mar 2014 06:55:31 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:59854 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753570AbaCLKza (ORCPT ); Wed, 12 Mar 2014 06:55:30 -0400 Date: Wed, 12 Mar 2014 03:55:27 -0700 From: Christoph Hellwig To: Hannes Reinecke Cc: Christoph Hellwig , Mike Snitzer , Jeff Moyer , Jens Axboe , Shaohua Li , "linux-kernel@vger.kernel.org" , msnitzer Subject: Re: [PATCH 1/1] block: rework flush sequencing for blk-mq Message-ID: <20140312105527.GA21511@infradead.org> References: <20140130132620.GA6031@infradead.org> <20140130132630.GB6031@infradead.org> <20140308155240.GA32297@infradead.org> <531B74B6.4070004@suse.de> <20140312102849.GA26509@infradead.org> <53203BE5.402@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53203BE5.402@suse.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 12, 2014 at 11:50:13AM +0100, Hannes Reinecke wrote: > >From the device-mapper side we have these patches which are not > included upstream: Another one on the dm side that seems useful is: dm-emulate-blkrrpart-ioctl: Partitions on device-mapper devices are managed by kpartx (if at all). So if we were just to send out a 'change' event if someone called BLKRRPART on these devices, kpartx will be triggered via udev and can manage the partitions accordingly.