From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C9E7C46475 for ; Thu, 25 Oct 2018 19:27:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55E65207DD for ; Thu, 25 Oct 2018 19:27:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 55E65207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726354AbeJZEBt (ORCPT ); Fri, 26 Oct 2018 00:01:49 -0400 Received: from mx2.suse.de ([195.135.220.15]:41196 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725725AbeJZEBt (ORCPT ); Fri, 26 Oct 2018 00:01:49 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 65979ADCD; Thu, 25 Oct 2018 19:27:44 +0000 (UTC) Message-ID: <2dfa9cf81411feafa2c7426be0e1363945dd388f.camel@suse.de> Subject: Re: [PATCH 0/9 v3] locks: avoid thundering-herd wake-ups From: Martin Wilck To: "J. Bruce Fields" , NeilBrown Cc: Jeff Layton , Alexander Viro , linux-fsdevel@vger.kernel.org, Frank Filz , linux-kernel@vger.kernel.org Date: Thu, 25 Oct 2018 21:27:43 +0200 In-Reply-To: <20181025160401.GB5539@fieldses.org> References: <154033435272.29542.13985568983074440924.stgit@noble> <20181025160401.GB5539@fieldses.org> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2018-10-25 at 12:04 -0400, J. Bruce Fields wrote: > On Wed, Oct 24, 2018 at 09:43:54AM +1100, NeilBrown wrote: > > This took longer that I had wanted, due to various reasons - sorry. > > And I'm now posting it in a merge window, which is not ideal. I > > don't > > expect it to be included in this merge window and I won't be at all > > impatient for review, but I didn't want to delay it further. > > Yes, apologies, I've been looking forward to finding out how this > turned > out, but I'd like to track down a bug or two and also review Olga's > copy > patches.... Bug me if I haven't gotten to this in a week or two. > > I'd also be really interested in any details of the performance > experiments that you could share. I pushed my test code to https://github.com/mwilck/lockscale. Cheers, Martin