Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp5615022pxu; Wed, 23 Dec 2020 00:35:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJxmMbc4VPzksia/2W/+iVgo7CcBJy+rxQPchx3MqbEksP/Scv/8AOzGs1Z50j6EPvc9pp2F X-Received: by 2002:a17:906:2f07:: with SMTP id v7mr17445723eji.343.1608712543595; Wed, 23 Dec 2020 00:35:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608712543; cv=none; d=google.com; s=arc-20160816; b=F0u9J0qxCW/4r4PXOgvrMXLAYuZDYuB3so5fDaeas3HDZbJvL/PmHf8OFYyByNh0g9 1VSTkF0TVYp2ukT6SxeQfJ8bbsBSUCz7pE7M0I2TXOJin4XKuRCGam+IzYdwSvmAiRrs CeQpmK0nLhGYyBHFrMtB4ZY/0OLzB5T1KSlc/J3zX+9gKFQpvAADdjqPgT6F0CMr2RJc lN/nm88t5GuVwRNdVthXPpsYPQ19eC9IhXBPkjZOoSFjQnk+hwKSccQmNk9enEgl/YsX UvixTh+dWzfIfgSuGE0CSph+H8vaozIp5lJTChFcKb5A5IzY3U7Ud7VGwCTPdUKpcB0L mhtw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=nmht9rIQwTxzsuy77xKfhGjrOLRmyTgR3yi4t6gmI/k=; b=jXYJwiONYwuOhpdpqS01vQs5rKRjvFZzuMg7b09WrhZGZdBeariaX25+ZtZjqsXNKw VHqIpu0n6iJVrxDlRMZi8QDn2vXLO2Q95gyjwFysgEETc8lNTZvWwT3Zyug5f1hFsTMu Y7/wp4BacexktvbHdftesrSkdNHyIHaOnH0LRmvRdSO8OpUlh4hc+EpZbBCRXg3/zn7H 6HO4TdN49Zb1pxiXYrA40WRI45Gxevwc4rmtv0Fs6FwHygfq+ENQzTPct28fqSNtHqx+ J+W8zAULBnrUfR9gi3U2yNbqOlXeVl/HHYx/pVFczCyo2pxbSLatL7EUUCs24uqXBYWX MSog== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=K9oJMbit; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t19si11501836eji.402.2020.12.23.00.35.21; Wed, 23 Dec 2020 00:35:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=K9oJMbit; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728264AbgLWIdx (ORCPT + 99 others); Wed, 23 Dec 2020 03:33:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727832AbgLWIdw (ORCPT ); Wed, 23 Dec 2020 03:33:52 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50003C0613D3; Wed, 23 Dec 2020 00:33:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=nmht9rIQwTxzsuy77xKfhGjrOLRmyTgR3yi4t6gmI/k=; b=K9oJMbitTsEhCA20nYhG3/ommE NrRLT9QH8VnYR5Wzd7XBbs3KPux7gVYnTUqr5DhG5IbZ5PtFNh3xA/cUybFrxQpAYl78b9vRi1AOs 5vHosmJORAkULTptGUWWM8V+PU+JiFAMOpcKaRUgXVg3yj0l3VZ7gUSU7IfoSCS6ANlaoTbOMaPaR 93BR+vy5WtIwf8Wy1MoYL52Lnyf3FSq4PGqbdaf5BuOuEjNBIIQnYm03hTvo0QW2n2/trykgTvSgr TcV4V9IvLbNHWhmj3B6LI4sgFSxccx2ZoPs5zM9mRoAPXqqvrM9rrcgZegPuQF3R4Y0mbwK8jnwNK pyO8cMJA==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1krzZz-0007Hw-8a; Wed, 23 Dec 2020 08:33:07 +0000 Date: Wed, 23 Dec 2020 08:33:07 +0000 From: Christoph Hellwig To: sh Cc: Jens Axboe , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, songmuchun@bytedance.com Subject: Re: [PATCH] blokc/blk-merge: remove the next_bvec label in __blk_bios_map_sg()linux-block@vger.kernel.org (open list:BLOCK LAYER) Message-ID: <20201223083307.GA27350@infradead.org> References: <20201223043158.GA1502002@ubuntu-A520I-AC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201223043158.GA1502002@ubuntu-A520I-AC> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 23, 2020 at 12:31:58PM +0800, sh wrote: > remove the next_bvec label in __blk_bios_map_sg(), simplify the logic > of traversal bvec. What makes you believe that this simplifies anything?