From: Paolo Bonzini Subject: Re: Ext4 and xfs problems in dm-thin on allocation and discard Date: Sun, 01 Jul 2012 16:53:52 +0200 Message-ID: <4FF06480.6030109@redhat.com> References: <4FDF9EBE.2030809@shiftmail.org> <20120619015745.GJ25389@dastard> <4FE1BDF3.4080702@shiftmail.org> <20120620225327.GL30705@dastard> <20120621174742.GA27837@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Dave Chinner , Spelic , device-mapper development , linux-ext4@vger.kernel.org, xfs@oss.sgi.com, axboe@kernel.dk, hch@infradead.org To: Mike Snitzer Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38085 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755634Ab2GAOyR (ORCPT ); Sun, 1 Jul 2012 10:54:17 -0400 In-Reply-To: <20120621174742.GA27837@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: Il 21/06/2012 19:47, Mike Snitzer ha scritto: > Paolo Bonzini fixed blkdev_issue_discard to properly align some time > ago; unfortunately the patches slipped through the cracks (cc'ing Paolo, > Jens, and Christoph). > > Here are references to Paolo's patches: > 0/2 https://lkml.org/lkml/2012/3/14/323 > 1/2 https://lkml.org/lkml/2012/3/14/324 > 2/2 https://lkml.org/lkml/2012/3/14/325 > > Patch 2/2 specifically addresses the case where: > discard_max_bytes == discard_granularity > > Paolo, any chance you could resend to Jens (maybe with hch's comments on > patch#2 accounted for)? Also, please add hch's Reviewed-by when > reposting. Sure, I'll do it this week. I just need to retest. Paolo