From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurence Oberman Subject: Re: dm-mq and end_clone_request() Date: Thu, 4 Aug 2016 21:07:28 -0400 (EDT) Message-ID: <1649218.8261013.1470359248073.JavaMail.zimbra@redhat.com> References: <20160801175948.GA6685@redhat.com> <20160802174533.GA18714@redhat.com> <1a460c29-1530-d3e1-25ba-736d86aff12e@sandisk.com> <20160803004013.GA19956@redhat.com> <20160804161047.GC6989@redhat.com> <4d60017e-818c-5630-549e-bf280abcf1c3@sandisk.com> <20160804235850.GB13132@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mx5-phx2.redhat.com ([209.132.183.37]:58179 "EHLO mx5-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965472AbcHEBHb (ORCPT ); Thu, 4 Aug 2016 21:07:31 -0400 In-Reply-To: <20160804235850.GB13132@redhat.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Mike Snitzer Cc: Bart Van Assche , dm-devel@redhat.com, linux-scsi@vger.kernel.org ----- Original Message ----- > From: "Mike Snitzer" > To: "Bart Van Assche" > Cc: dm-devel@redhat.com, "Laurence Oberman" , linux-scsi@vger.kernel.org > Sent: Thursday, August 4, 2016 7:58:50 PM > Subject: Re: dm-mq and end_clone_request() > > I've staged another fix, Laurence is seeing success with this added: > https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-4.8&id=d50a6450104c237db1dc75314d17b78c990a8c05 > > I'll be sending all the fixes I've queued to Linus tonight or early > tomorrow (since I'll then be on vacation until Monday 8/15). > Hello Bart, I applied that patch to your kernel and while I still obviously see all the debug logging its no longer failing fio for me. I ran 8 loops with 20 parallel fio runs. This was on a different server to the one I had been testing on. However I am concerned about timing playing a part here here so let us know what you find. Thanks Laurence