From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Moyer Subject: Re: [PATCH V5 00/30] loop: Issue O_DIRECT aio using bio_vec Date: Tue, 22 Jan 2013 11:14:27 -0500 Message-ID: References: <1357761525-22718-1-git-send-email-dave.kleikamp@oracle.com> <50F98D29.6050701@oracle.com> <50F9CD9E.1050902@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Zach Brown , "Maxim V. Patlasov" To: Dave Kleikamp Return-path: Received: from mx1.redhat.com ([209.132.183.28]:45051 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754021Ab3AVQOh (ORCPT ); Tue, 22 Jan 2013 11:14:37 -0500 In-Reply-To: <50F9CD9E.1050902@oracle.com> (Dave Kleikamp's message of "Fri, 18 Jan 2013 16:33:02 -0600") Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Dave Kleikamp writes: > On 01/18/2013 03:48 PM, Jeff Moyer wrote: >> Dave Kleikamp writes: >> >>> On 01/18/2013 11:56 AM, Jeff Moyer wrote: >>>> Jeff Moyer writes: >>>> >>>>> ./check -g aio >>>>> >>>>> and here is the summary: >>>>> >>>>> Ran: 112 113 198 207 208 209 210 211 212 239 240 >>>>> Failures: 112 198 207 239 240 >>>>> Failed 5 of 11 tests >>>>> >>>>> To be fair, I have not yet run this on a kernel without your changes. >>>> >>>> I re-ran the same test against a vanilla 3.8.0-rc4 kernel and it passed: >>>> >>>> Ran: 112 113 198 207 208 209 210 211 212 239 240 >>>> Passed all 11 tests >>>> >>>> I'll start digging into the failures. >>> >>> Thanks, I'll take a look at it too. >> >> Note that the failures occur on regular block devices, too; this isn't >> restricted to loop. The fix I mentioned in reply to patch 17 actually >> fixes all of the failures reported in the aio group. I'm going to do >> some more thorough testing over the weekend. > > Thanks much. I'll definitely add this to my testing. After fixing up that thinko, a full run of xfstests on an xfs file system backed by a loop device (which itself is a file on an xfs file system) shows no regressions. Cheers, Jeff