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=-5.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 D77A8C3F2D1 for ; Wed, 4 Mar 2020 18:37:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B0D2320866 for ; Wed, 4 Mar 2020 18:37:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="iB6D5Kmy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730243AbgCDShs (ORCPT ); Wed, 4 Mar 2020 13:37:48 -0500 Received: from mail-io1-f65.google.com ([209.85.166.65]:43308 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730004AbgCDShs (ORCPT ); Wed, 4 Mar 2020 13:37:48 -0500 Received: by mail-io1-f65.google.com with SMTP id n21so3507855ioo.10 for ; Wed, 04 Mar 2020 10:37:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=wh0qFjW/qHneQSqg+QQx1XFOZYzFNeLir404hhmmk8A=; b=iB6D5KmyEc3L8QegN7XRaZrSaz+3zxQkc9SriWcXcKD5qmINgB237OLXeEG3VIIufZ FvcVyrcvqBEKHtgKJcOPxk0q0ghNUJPqL6gHXxeQS+vZsIYY1oT2XqA8KYFBZgY7xzlt QzDuoRgNtzNN14mC1S1RlEXMdj7luaqoLjH9jbn033e2Yg7yKPLpYDUQ68orP1GLOokD HAaRyA4w3EhgOHVDb8fzIQbNZEIKGKas0uXpvco/6TWXkYyYAn4/WQr+1trfzaAyM4Xv 5UraL+b08FmBCu5kqtheb1dGuTsE8WJEUNQixqV6yuvc4jdNKDeXf+OZVhlQyPtyx8pb JkpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=wh0qFjW/qHneQSqg+QQx1XFOZYzFNeLir404hhmmk8A=; b=WkHgK6g32RGYQqeNh2duOdLC4NECcBbzQIEcRemq6oV/y8mteWs2OmhA7MBPOpRAeM xH1aI125ZDfNwXElv28oQcfspJNMVZGo3KNmpa23kY36rBvEoiJrxWaRY5wx2EaCUNx1 z80gHMgrG5VFfW1cLcdr7iBdI4C97mNkRUhEjg8PL7Uv/AoWeTDQmabl+jT0v73T7jgm +5d1k8OC5+znnOBBO4/YfSDNO4NfYPMya1QM8s057dFcHs/TDIY3rB51mp28Mjrt+Lmy /p7iUkrcx8oAl6Lrto5vioq4t8BYJU0LuBEA4IH7O25q1v9RGW+YVFvgQY17hQzZi7pv JQCQ== X-Gm-Message-State: ANhLgQ05TydxRsGW3Xzs5KrGuRRJB8agXqrAZhg+5SOYQDTOwQIkix3t DUwztX92Ae3oz3OmqtZhjcpXUQ== X-Google-Smtp-Source: ADFU+vsarnSkFGccdJ+tjh1uW/LPY+9/izVSa2ywAEhv/Y2brEmeYq0uF0XYMk03CKqAXA5hAXDoOg== X-Received: by 2002:a02:780f:: with SMTP id p15mr3875002jac.91.1583347066713; Wed, 04 Mar 2020 10:37:46 -0800 (PST) Received: from [192.168.1.159] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id h14sm2049272iow.23.2020.03.04.10.37.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Mar 2020 10:37:46 -0800 (PST) Subject: Re: [PATCH -next] io_uring: Fix unused function warnings To: Stefano Garzarella , YueHaibing Cc: viro@zeniv.linux.org.uk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200304075352.31132-1-yuehaibing@huawei.com> <20200304164806.3bsr2v7cvpq7sw5e@steredhat> From: Jens Axboe Message-ID: <5a1c612a-9efa-1fc8-e264-1a064d4a4435@kernel.dk> Date: Wed, 4 Mar 2020 11:37:45 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200304164806.3bsr2v7cvpq7sw5e@steredhat> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 3/4/20 9:48 AM, Stefano Garzarella wrote: > On Wed, Mar 04, 2020 at 03:53:52PM +0800, YueHaibing wrote: >> If CONFIG_NET is not set, gcc warns: >> >> fs/io_uring.c:3110:12: warning: io_setup_async_msg defined but not used [-Wunused-function] >> static int io_setup_async_msg(struct io_kiocb *req, >> ^~~~~~~~~~~~~~~~~~ >> >> There are many funcions wraped by CONFIG_NET, move them >> together to simplify code, also fix this warning. >> >> Reported-by: Hulk Robot >> Signed-off-by: YueHaibing >> --- >> fs/io_uring.c | 98 ++++++++++++++++++++++++++++++++++------------------------- >> 1 file changed, 57 insertions(+), 41 deletions(-) >> > > Since the code under the ifdef/else/endif blocks now are huge, would it make > sense to add some comments for better readability? > > I mean something like this: > > #if defined(CONFIG_NET) > ... > #else /* !CONFIG_NET */ > ... > #endif /* CONFIG_NET */ I applied it with that addition. Also had to adapt it quite a bit, as the prototypes changed. I'm guessing the branch used was a few days old? -- Jens Axboe