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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0F32C636CC for ; Tue, 31 Jan 2023 21:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229767AbjAaVug (ORCPT ); Tue, 31 Jan 2023 16:50:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229615AbjAaVuf (ORCPT ); Tue, 31 Jan 2023 16:50:35 -0500 Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA2045FCE for ; Tue, 31 Jan 2023 13:50:34 -0800 (PST) Received: by mail-pl1-f177.google.com with SMTP id d3so16467393plr.10 for ; Tue, 31 Jan 2023 13:50:34 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wKD1L0WCvHn1Wu1fu9GE06Ee8ifVmPB55bUaTrUQqkc=; b=dvm9d+tebqNxkgdZyJDCQzwi14TLfVwQEGpFfyT90na9BV7u5sJSk9tApwLIg61Hq2 7b7DtXHmmMN/TVM5Jd/Taewr7X35bTaaHzgx48K33MmTtgCy8RH2QX+5+OqWkKsIqP1z RcBAw3kfFiccWXsRSM+IuGmo3J8ffV2iC5mauykSzguASRcxXr15/5eres2S/CFO1NVi f1TD89hcvfDIiHhtwVg+k6kLxZHozmgOb71zbdiZWNNbeUrcpQmZPK2ow+ghUU+VvKxL OXiANy9rXIJRAr5l+yBfVYzc+A+gIy5BuYDyRnNbvys8U0+tJmR3FH81n6VflN1tTC9J 2Oew== X-Gm-Message-State: AO0yUKUzWbrle3/sMg94KStaG6DTB0exZX7hm1Q5d8D6ZlUHApCqqOHt 4D4pUKHyU3a5a1j3rMGBzrK7r746LSo= X-Google-Smtp-Source: AK7set8rfcN3OeTt5jD1Hcf9Ylk+lnbtRxISojlGHaox8owIwmUGM7/OquJXk3WUutPG3TjHKOXAeA== X-Received: by 2002:a17:902:c40d:b0:196:82a0:4177 with SMTP id k13-20020a170902c40d00b0019682a04177mr507239plk.39.1675201834207; Tue, 31 Jan 2023 13:50:34 -0800 (PST) Received: from ?IPV6:2620:15c:211:201:7e97:ee02:2248:2471? ([2620:15c:211:201:7e97:ee02:2248:2471]) by smtp.gmail.com with ESMTPSA id j7-20020a17090276c700b001932a9e4f2csm5821911plt.255.2023.01.31.13.50.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Jan 2023 13:50:33 -0800 (PST) Message-ID: <5f5db20c-e66c-5295-0bbe-d71ad730dce2@acm.org> Date: Tue, 31 Jan 2023 13:50:31 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH] null_blk: Support configuring the maximum segment size Content-Language: en-US To: Chaitanya Kulkarni , Jens Axboe Cc: "linux-block@vger.kernel.org" , Christoph Hellwig , Ming Lei , Damien Le Moal References: <20230128005926.79336-1-bvanassche@acm.org> <8bd89413-bdef-7fe0-9e19-4419e9280f4e@nvidia.com> From: Bart Van Assche In-Reply-To: <8bd89413-bdef-7fe0-9e19-4419e9280f4e@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 1/31/23 13:43, Chaitanya Kulkarni wrote: > On 1/27/23 16:59, Bart Van Assche wrote: >> Add support for configuring the maximum segment size. >> >> Add support for segments smaller than the page size. >> >> This patch enables testing segments smaller than the page size with a >> driver that does not call blk_rq_map_sg(). >> >> Cc: Christoph Hellwig >> Cc: Ming Lei >> Cc: Damien Le Moal >> Cc: Chaitanya Kulkarni >> Signed-off-by: Bart Van Assche > > Bart, if you can send a blktest for this it will be great. Hi Chaitanya, This patch has been resent as patch 7/7 of the following series: "[PATCH v4 0/7] Add support for limits below the page size" (https://lore.kernel.org/linux-block/20230130212656.876311-1-bvanassche@acm.org/T/#t). blktests for that patch series are available here: https://github.com/bvanassche/blktests/commits/master. Do you prefer that I send a pull request for these blktests now or do you perhaps prefer that I wait until the kernel patch series has been merged? Thanks, Bart.