Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162270AbdDURHD (ORCPT ); Fri, 21 Apr 2017 13:07:03 -0400 Received: from merlin.infradead.org ([205.233.59.134]:40866 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162242AbdDURGy (ORCPT ); Fri, 21 Apr 2017 13:06:54 -0400 Date: Fri, 21 Apr 2017 17:22:41 +0200 From: Peter Zijlstra To: Jens Axboe Cc: "Reshetova, Elena" , Eric Biggers , Kees Cook , Christoph Hellwig , "james.bottomley@hansenpartnership.com" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-btrfs@vger.kernel.org" , "gregkh@linuxfoundation.org" , "fujita.tomonori@lab.ntt.co.jp" , "mingo@redhat.com" , "clm@fb.com" , "jbacik@fb.com" , "dsterba@suse.com" Subject: Re: [PATCH 0/5] v2: block subsystem refcounter conversions Message-ID: <20170421152241.q45w3ckjax5xiddq@hirez.programming.kicks-ass.net> References: <1492687644-4405-1-git-send-email-elena.reshetova@intel.com> <20170420135651.GA26595@infradead.org> <2236FBA76BA1254E88B949DDB74E612B41C8DA36@IRSMSX102.ger.corp.intel.com> <20170420183319.GB103004@gmail.com> <2236FBA76BA1254E88B949DDB74E612B41C8E21B@IRSMSX102.ger.corp.intel.com> <31311853-3554-cefe-1210-2ffae1a20058@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <31311853-3554-cefe-1210-2ffae1a20058@kernel.dk> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 344 Lines: 9 On Fri, Apr 21, 2017 at 08:03:13AM -0600, Jens Axboe wrote: > You have it so easy - the code is completely standalone, building a > small test framework around it and measuring performance in _user space_ > is trivial. Something like this you mean: https://lkml.kernel.org/r/20170322165144.dtidvvbxey7w5pbd@hirez.programming.kicks-ass.net