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=-1.0 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 28213C4646D for ; Thu, 9 Aug 2018 02:52:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D546421C2B for ; Thu, 9 Aug 2018 02:52:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D546421C2B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com 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 S1727659AbeHIFOm (ORCPT ); Thu, 9 Aug 2018 01:14:42 -0400 Received: from mx2.suse.de ([195.135.220.15]:38288 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726926AbeHIFOm (ORCPT ); Thu, 9 Aug 2018 01:14:42 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4C04AAF59; Thu, 9 Aug 2018 02:52:08 +0000 (UTC) From: NeilBrown To: Frank Filz , 'Jeff Layton' , "'J. Bruce Fields'" Date: Thu, 09 Aug 2018 12:52:01 +1000 Cc: 'Alexander Viro' , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, 'Martin Wilck' Subject: RE: [PATCH 0/4] locks: avoid thundering-herd wake-ups In-Reply-To: <01c401d42f70$5c034db0$1409e910$@mindspring.com> References: <153369219467.12605.13472423449508444601.stgit@noble> <20180808195445.GD23873@fieldses.org> <20180808200912.GE23873@fieldses.org> <20180808212832.GF23873@fieldses.org> <04ffa27c29d2bff8bd9cb9b6d4ea6b6fd3969b6c.camel@kernel.org> <01c401d42f70$5c034db0$1409e910$@mindspring.com> Message-ID: <87600ktfou.fsf@notabene.neil.brown.name> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain On Wed, Aug 08 2018, Frank Filz wrote: > > Now here's another question... How does this new logic play with Open > File Description Locks? Should still be ok since there's a thread > waiting on each of those. At this level Posix locks and OFD locks are almost identical - just a different owner. So this enhancement should work equally for posix, flock, ofd and even leases. Thanks, NeilBrown > > Frank --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEG8Yp69OQ2HB7X0l6Oeye3VZigbkFAltrrFEACgkQOeye3VZi gbkJ8Q//YbnVAQEQfIwPXJV43MG5m/w7rjygVH5X28iC/Ig4XUbC3uMaFuGh2Cr1 d0T6s/TFtz1QDQ4533C4xRcc+toIuqPcaacbirBroAEP977LAULpDhl6f1QoELg3 X/febg/jyQYpkQfAfhZqn38gGAS6GUcci6VymZp+8d1FIZ8TK0wVTyfxrk02Q42m nOJwoCN31oD4dEqBVEvN4yr3BEr3lPRFGEGa1dNg2ZiBQ6GYmux0Euk7rneUY7kR h8l1V2gEuBjsp3642d6XrOoD5HgRJlLyqlJ13VePnuwxGZq3rZ4l8ddlOwlPpvuk VHztBooWTivaOYvdxeWdUUZPYUvTg0O+RlYVG4FwmYVSKPA3KGwxgcLHKDDLfHi0 oU7nzYEM16IAnjmnqR8dFjPHFanL0Y3zt32NuwXYg0QLi9Z9W72fyVxhTbtO6PmQ a5VnB21duPelv3/oGe80CqeKYFoOAm0NEMBOcTfAsjT1LYfxvzkDTrhOl9T2SOlH 6YNx0VI07GChD6EISjNrx9mxPmGL7hOr2CAYrOhmkH+R9JTYKPG+qHJSXumNg6KV jJFGblOOHpJm1a6PtOMdasZveFDOaKtJ8RN97puKVVH2zFSGluDBnZlHTkpYDW3w qKa0zaUaqTl6Hn7CV+FEhSfNNrlb73bci+PQ4TeDnhuE9Kgt3XY= =6tBA -----END PGP SIGNATURE----- --=-=-=--