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[2620:137:e000::1:20]) by mx.google.com with ESMTP id wz12-20020a170906fe4c00b0078dad3ace2esi4570137ejb.676.2022.11.23.07.24.13; Wed, 23 Nov 2022 07:24:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IOZUgQ5G; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236863AbiKWPEq (ORCPT + 88 others); Wed, 23 Nov 2022 10:04:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236484AbiKWPEn (ORCPT ); Wed, 23 Nov 2022 10:04:43 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 575016317; Wed, 23 Nov 2022 07:04:43 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 152C9B82097; Wed, 23 Nov 2022 15:04:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37600C433C1; Wed, 23 Nov 2022 15:04:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669215880; bh=sz1I93kqRX2YTMQK4I6Fw0uhU90OV64EIhqgoVGD9p4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IOZUgQ5GNKEMc404JK9IQ9CLqlIS1EYuwc/oJNbsZiW9xyG4ueI6gWPM3X1TzqiTt F2BQwFsUn0W8IEuJtOzIdzvPg1IpvgtYywpD2QIouNekahFKsppCsQ1nsqDYTDEZXF BE2GTmIbtc64rWva2XYfLOdW40lRdag/4TOXvzcRwO4U3LlXL9k332zb2meNnOBXsM tYTdvhu62rl8DVMEVSyHbuJ35MLeg7FKqcyJbhen7/yJRPwGjhmG16ETJQDsp6D2mA zpmRFpo6aWV+hN339CslC/X0I8iA1V4CclH5YYYnsIbA7U29AZw3qMJ0j/5fLKWYnK C4lrlxnuHJLUg== Date: Wed, 23 Nov 2022 08:04:37 -0700 From: Keith Busch To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mike Snitzer , Jens Axboe , agk@redhat.com, dm-devel@redhat.com Subject: Re: [PATCH AUTOSEL 5.15 25/31] dm-log-writes: set dma_alignment limit in io_hints Message-ID: References: <20221123124234.265396-1-sashal@kernel.org> <20221123124234.265396-25-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221123124234.265396-25-sashal@kernel.org> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 23, 2022 at 07:42:26AM -0500, Sasha Levin wrote: > From: Keith Busch > > [ Upstream commit 50a893359cd2643ee1afc96eedc9e7084cab49fa ] > > This device mapper needs bio vectors to be sized and memory aligned to > the logical block size. Set the minimum required queue limit > accordingly. Probably harmless, but these dm dma_alignment patches are not needed prior to 6.0.