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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 321ABC35246 for ; Sat, 1 Feb 2020 00:59:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0926820661 for ; Sat, 1 Feb 2020 00:59:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XJ2DHsui" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727063AbgBAA7f (ORCPT ); Fri, 31 Jan 2020 19:59:35 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:51732 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726264AbgBAA7f (ORCPT ); Fri, 31 Jan 2020 19:59:35 -0500 Received: by mail-wm1-f66.google.com with SMTP id t23so9988319wmi.1; Fri, 31 Jan 2020 16:59:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=o/Z1Q9j16pnd5qHxzj1VfasD9Q7tF0Et5G7N/eWy7Ks=; b=XJ2DHsui8Xaz0JCtJ2EYXlxrz+FjhsQ6TzlTwhQv32cVGz2+OWC45CVtN7wcyB3YG2 p7EMsclbgumy+RQk0jWg20LI4/ojv/lHvr7xcdXeXyC0tmdCS8RVeedtR5F5ajN2WEJZ gysPQgF25Wt+HIOLBUdaoAXQJTNPAXhqu6V3gMedbHMSpbCHjwiEUAn3nWSikduoZUZT qfYTG/gpSE/r7mUuwCNvUxvg0OAofA8f2GExxmjY9C4aZnaNcduI8x6WU8kVunUNHnYD CJG0dJPPLyaFFfh9ekvT6M1WBuFwmFNAgf1j7pmAb3jcDNEynk6Nv8Y/fOscTHXdRfAi vIGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=o/Z1Q9j16pnd5qHxzj1VfasD9Q7tF0Et5G7N/eWy7Ks=; b=MOwVzEM0RYOVy4nV2mUtVuNG9+dvoAGes2kfMOQsXSmXJABONrqYQj1ztgdBjj+5Ld Z4dNra8JlHyJUqhVq1EEq2J+XqkkvIbur90ynAcLiqcjThJptdWALs5C7URoXjLfqjyT s0Rn90qDao47S55jUOlwCV0hR2gGRxRqSzJA3z7/I0Wiua5Cgm9Qhm0/9Tc3/pASRWuZ z0Myt9e8Csh7y/3Lzo8XbpQD9f0cvGmg9U/iNPR5TWWKJaQjI2XScTfZtm9I4NZ5nvvn vCzikqAoj0DgnjirdcmXxX7lEusRG5wQbSBEWmsfCXWJpa3CDKUhF0gPFJdb4yqqgn2c v2qA== X-Gm-Message-State: APjAAAUjjMTV6zULzPzYTYOwmVON27rffIyKWNFxmAIjllwTmGRFk2er Tl3UwUQjM2KtI+L1oO+eBjNae9Sf X-Google-Smtp-Source: APXvYqxVaMLA0kmq27KIpw7WmGCxp3GYPy6zFg4Oj47SappJUhZE7DFyOz4vg9iVVmn9TXUXSMPHKg== X-Received: by 2002:a1c:4008:: with SMTP id n8mr14770673wma.121.1580518772615; Fri, 31 Jan 2020 16:59:32 -0800 (PST) Received: from localhost.localdomain ([109.126.145.157]) by smtp.gmail.com with ESMTPSA id c9sm12979291wmc.47.2020.01.31.16.59.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Jan 2020 16:59:32 -0800 (PST) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/1] io_uring: place close flag changing code Date: Sat, 1 Feb 2020 03:58:42 +0300 Message-Id: X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Both iocb_flags() and kiocb_set_rw_flags() are inline and modify kiocb->ki_flags. Place them close, so they can be potentially better optimised. Signed-off-by: Pavel Begunkov --- fs/io_uring.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 73a6c6a4ec50..c3687bda92d0 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1865,8 +1865,11 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, req->flags |= REQ_F_CUR_POS; kiocb->ki_pos = req->file->f_pos; } - kiocb->ki_flags = iocb_flags(kiocb->ki_filp); kiocb->ki_hint = ki_hint_validate(file_write_hint(kiocb->ki_filp)); + kiocb->ki_flags = iocb_flags(kiocb->ki_filp); + ret = kiocb_set_rw_flags(kiocb, READ_ONCE(sqe->rw_flags)); + if (unlikely(ret)) + return ret; ioprio = READ_ONCE(sqe->ioprio); if (ioprio) { @@ -1878,10 +1881,6 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, } else kiocb->ki_ioprio = get_current_ioprio(); - ret = kiocb_set_rw_flags(kiocb, READ_ONCE(sqe->rw_flags)); - if (unlikely(ret)) - return ret; - /* don't allow async punt if RWF_NOWAIT was requested */ if ((kiocb->ki_flags & IOCB_NOWAIT) || (req->file->f_flags & O_NONBLOCK)) -- 2.24.0