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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 250CBC433DF for ; Mon, 27 Jul 2020 19:12:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F16172073E for ; Mon, 27 Jul 2020 19:12:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595877161; bh=iDjuqni09Ye+Y5tnBznZ5YEHc2O13s9uN4udYT6xhSg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=OCicDLn2o+j0WAiuW87ocA6E10tZAlzj8Ahy3uj+TBOUn2oo/Bb5TtZ3WwJtSzW0/ iQy9YuW35sRHiJ3HcT9W9FpJGr8cuAjJlcJxb21hD2/HRZl9EBlffcnISL/PghmzTE eG4BF/o1X6VRQd1kIkNUbeBqMrvEPuiZf8//e+sk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728387AbgG0TMk (ORCPT ); Mon, 27 Jul 2020 15:12:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:56856 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728343AbgG0TMk (ORCPT ); Mon, 27 Jul 2020 15:12:40 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C24C520719; Mon, 27 Jul 2020 19:12:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595877160; bh=iDjuqni09Ye+Y5tnBznZ5YEHc2O13s9uN4udYT6xhSg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZbgCyEDCCb9e28CEWIs4zRb4ylp5tXAupnlxiuhkXb7GspPsQvYAzWADUqm5idmbp W2kek20eQJMvggBOY7o0OMkIakJOOY8j9ATva8TRjGuJOByzP1YDl86skpoJBjb1ba kbJgg10ZmpQCq/HNvMUXyz69h/3my82xjPz0H82U= Date: Mon, 27 Jul 2020 15:12:38 -0400 From: Sasha Levin To: Gabriel Krisman Bertazi Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mike Snitzer Subject: Re: [PATCH 5.7 024/179] dm mpath: pass IO start time to path selector Message-ID: <20200727191238.GH406581@sasha-vm> References: <20200727134932.659499757@linuxfoundation.org> <20200727134933.846667790@linuxfoundation.org> <87sgdcuda6.fsf@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <87sgdcuda6.fsf@collabora.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Jul 27, 2020 at 12:35:13PM -0400, Gabriel Krisman Bertazi wrote: >Greg Kroah-Hartman writes: > >> From: Gabriel Krisman Bertazi >> >> [ Upstream commit 087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b ] >> >> The HST path selector needs this information to perform path >> prediction. For request-based mpath, struct request's io_start_time_ns >> is used, while for bio-based, use the start_time stored in dm_io. > >Hi Greg, > >This patch is not -stable material. It is only needed for a new feature >merged in 5.8. I've dropped it, thank you! -- Thanks, Sasha