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 0B630C04FE2 for ; Mon, 14 Aug 2023 14:27:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232140AbjHNO1I (ORCPT ); Mon, 14 Aug 2023 10:27:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232035AbjHNO0s (ORCPT ); Mon, 14 Aug 2023 10:26:48 -0400 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A560BB2; Mon, 14 Aug 2023 07:26:47 -0700 (PDT) Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-686ea67195dso2875719b3a.2; Mon, 14 Aug 2023 07:26:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692023207; x=1692628007; 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=lqPfjKBh4fEn5Wj87LjUhKggel2I0g0zW4XnW9s14SU=; b=UD7R0cYlv9ZdLynzmrk0ifiklrDAV7u2pQIzyT/HzttSYarybBYqdYMUgQd/fRwRyK 6vaJWTWacCOsGn8F/g+X0Snh7slof1OMbNuXb6LHIBBMWf388sH5rxAYV+muvNOv9YxN gREyhAN/HR/Mwjq9Dn6VMHMRAldxC50xo9mzyuh5QEl/RiDQ2ABD6gT2KlTnelYGBoqS eEGDyW8tUtWqcyLv/QigzBOYYtVXPFeyg5v29v/9PwO5OW7eyreNl4OdDzNrAzzU0mHZ lxzwkjr7Iqd7bMzbTQhgwriguOXuH+GBEx6Y2cYuKEGBz7GzAd+e+BQ8bO9BDOkQfsqj 6CNA== X-Gm-Message-State: AOJu0YzUIxHU84Y+YM0JAPDbff0O/eNcKbcOvACGh2UQktsnSv2qziB1 RcSlR707ZkOfEhWzB9RqwP0= X-Google-Smtp-Source: AGHT+IHOmH/CPfbHjiPSRAabws5WhG05U7tv659QbNd/xn288gX5HmehFp2dEtU52oDRt4xSfXpfVg== X-Received: by 2002:a05:6a21:7985:b0:135:2f12:7662 with SMTP id bh5-20020a056a21798500b001352f127662mr8501008pzc.33.1692023206792; Mon, 14 Aug 2023 07:26:46 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:e105:59a6:229c:65de? ([2620:15c:211:201:e105:59a6:229c:65de]) by smtp.gmail.com with ESMTPSA id x17-20020aa79191000000b006874c47e918sm7977606pfa.124.2023.08.14.07.26.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Aug 2023 07:26:46 -0700 (PDT) Message-ID: Date: Mon, 14 Aug 2023 07:26:44 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.1 Subject: Re: [dm-devel] [PATCH v14 02/11] Add infrastructure for copy offload in block and request layer. Content-Language: en-US To: Nitesh Shetty Cc: Jens Axboe , Jonathan Corbet , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Keith Busch , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , Alexander Viro , Christian Brauner , martin.petersen@oracle.com, linux-doc@vger.kernel.org, gost.dev@samsung.com, Anuj Gupta , linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, mcgrof@kernel.org, dlemoal@kernel.org, linux-fsdevel@vger.kernel.org References: <20230811105300.15889-1-nj.shetty@samsung.com> <20230811105300.15889-3-nj.shetty@samsung.com> <3b1da341-1c7f-e28f-d6aa-cecb83188f34@acm.org> <20230814121853.ms4acxwr56etf3ph@green245> From: Bart Van Assche In-Reply-To: <20230814121853.ms4acxwr56etf3ph@green245> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 8/14/23 05:18, Nitesh Shetty wrote: > On 23/08/11 02:25PM, Bart Van Assche wrote: >> On 8/11/23 03:52, Nitesh Shetty wrote: >>> diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h >>> index 0bad62cca3d0..de0ad7a0d571 100644 >>> +static inline bool op_is_copy(blk_opf_t op) >>> +{ >>> +    return ((op & REQ_OP_MASK) == REQ_OP_COPY_SRC || >>> +        (op & REQ_OP_MASK) == REQ_OP_COPY_DST); >>> +} >>> + >> >> The above function should be moved into include/linux/blk-mq.h below the >> definition of req_op() such that it can use req_op() instead of >> open-coding it. >> > We use this later for dm patches(patch 9) as well, and we don't have > request at > that time. My understanding is that include/linux/blk_types.h should only contain data types and constants and hence that inline functions like op_is_copy() should be moved elsewhere. Bart.