From patchwork Thu Sep 8 12:20:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Begunkov X-Patchwork-Id: 12970015 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 12073C6FA82 for ; Thu, 8 Sep 2022 12:22:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231719AbiIHMWx (ORCPT ); Thu, 8 Sep 2022 08:22:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231730AbiIHMWt (ORCPT ); Thu, 8 Sep 2022 08:22:49 -0400 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A8C91316D1 for ; Thu, 8 Sep 2022 05:22:42 -0700 (PDT) Received: by mail-ej1-x62b.google.com with SMTP id bj12so37540570ejb.13 for ; Thu, 08 Sep 2022 05:22:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=GB9BOyQODze5Kg82+IrDJOynNmHrAMiNDdnDkl3bHr4=; b=p2D+IMj+zJC+TIIteOvukNaHtUlcnpiBGbQceD0tkpCv957T5QX3roOucKQmeCrRi1 ViyL/DOF+uCIK94CiahKVHH3vlGglhGrrAXqWvJxdV3VKzcudWvNOhgoHDIABqeyHl9a p5JnL5ft2N3oYcTr3EgzXSvpKgkSyrw6IEqGuqQEeTe1UAB6o+BkmH8A6bb5xFXMZxKx Glm/UpERZ+Z7SGbMLuJFnlcbLAz/TGfdOo/J4EYJQrsDo0br8TVq/5S/swQUP5DPoEvZ MlaBwGAaPox2CHgb+pLyv8oOTeAaBc3SDf3X9JkDwMI1fF21h8beFVNTcBuh3UiORcxA 4hmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=GB9BOyQODze5Kg82+IrDJOynNmHrAMiNDdnDkl3bHr4=; b=CNxAruZZe/DXnp0G/9O0LyuN91OOiijtzlyicZzQ9UHnyhVXfdI3DmqhDzrWhgJbSz nH511n9zVOoKYAf77zDZTnoPfhds+PI5/FnYzPptTOX3yl8BMlRajqX6uYZm8lNSLXKs Bg72YJOE3t3RX7mC6z/JL7UhNsX7F8d93MQqkAsTKYeMFXFEewrRE3P8YgdL+NuACM3E zEnoxM32WCnH/Pe7BOxOd3ToUdAfwcDcpm/+uTnTE+EwrAEvT3kyz6wPahqyWYxxCJz1 5M6NfHxHMvfDPWDmJc0AkvbWDjGESWeNjezQZttayGla/que8UPEHNGLTttCCniEomm7 tEXA== X-Gm-Message-State: ACgBeo0z+Um+XeSGKJ7TU9FS723I7YfeRAFgxaS3N4cmHcYa2IEZzEp0 ycHLljSZnABtl3EZS0IsjxE3toLMTkM= X-Google-Smtp-Source: AA6agR7JsWOagimuwgu/sCtQWUdXfcX/TlKE/hVlOPHNit6kqIybirqhzDG1AqpzwZIpm8FuijlCAA== X-Received: by 2002:a17:907:7242:b0:741:7cd6:57d5 with SMTP id ds2-20020a170907724200b007417cd657d5mr5802799ejc.419.1662639760559; Thu, 08 Sep 2022 05:22:40 -0700 (PDT) Received: from 127.0.0.1localhost.com ([2620:10d:c092:600::2:cfb9]) by smtp.gmail.com with ESMTPSA id p9-20020a17090653c900b0074a82932e3bsm1191791ejo.77.2022.09.08.05.22.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Sep 2022 05:22:40 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 7/8] io_uring/net: refactor io_sr_msg types Date: Thu, 8 Sep 2022 13:20:33 +0100 Message-Id: <42c2639d6385b8b2181342d2af3a42d3b1c5bcd2.1662639236.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org In preparation for using struct io_sr_msg for zerocopy sends, clean up types. First, flags can be u16 as it's provided by the userspace in u16 ioprio, as well as addr_len. This saves us 4 bytes. Also use unsigned for size and done_io, both are as well limited to u32. Signed-off-by: Pavel Begunkov --- io_uring/net.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/io_uring/net.c b/io_uring/net.c index 4dbdb59968c3..97778cd1306c 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -55,21 +55,21 @@ struct io_sr_msg { struct user_msghdr __user *umsg; void __user *buf; }; + unsigned len; + unsigned done_io; unsigned msg_flags; - unsigned flags; - size_t len; - size_t done_io; + u16 flags; }; struct io_sendzc { struct file *file; void __user *buf; - size_t len; + unsigned len; + unsigned done_io; unsigned msg_flags; - unsigned flags; - unsigned addr_len; + u16 flags; + u16 addr_len; void __user *addr; - size_t done_io; struct io_kiocb *notif; };