From patchwork Wed Mar 8 03:10:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 13165165 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 E80D1C6FD20 for ; Wed, 8 Mar 2023 03:10:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229727AbjCHDKn (ORCPT ); Tue, 7 Mar 2023 22:10:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbjCHDKk (ORCPT ); Tue, 7 Mar 2023 22:10:40 -0500 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDB32A4B08 for ; Tue, 7 Mar 2023 19:10:39 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id p3-20020a17090ad30300b0023a1cd5065fso754514pju.0 for ; Tue, 07 Mar 2023 19:10:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1678245039; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5mu++duLa1HYXQoRgD8CJqzoZQ47PM9+K5ZhAEIOsBg=; b=t5MN5n7flANBYusBMPHvSi5UTma9LxmdEzfB5UIPRgjv5UWMPr5ZDk53ddKJLuIAtw Ou5IgUxYkSII/HL/91pnnv+QAfBgghSTfymF2almtDsRgcIy2cQm4jTqxGko1Aj2AkTQ CAKeRmbK5SxP7gV7C5P0+AGBtRBwtGDRRFCujj8OnnBiaV2UO5RmB3uGasv0+ejdE+X1 UwOKh4rYsD3QoBORHoAftlk91QjWt0rTNIqOz65Q9Gc40kEUPrfC/UyX5GzdmwRdTGcK S0S1SUxF6b7IzTn7rTC/hrwEjm8+cnRUxu4Fk1yeEcrqSUjCC0z117xetTn27GKTN1K2 7C3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678245039; 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:message-id:reply-to; bh=5mu++duLa1HYXQoRgD8CJqzoZQ47PM9+K5ZhAEIOsBg=; b=IGwC3hFStS/SDqy0Kc5iI3q0p73BjavfJlmZVdGAv6EUWlFHjA9C4WWpVAwhu5HG0G zLlb8Y14sEcBReeSsFqOai6lemTQ6iWMTY831nXTZT/pHESLfWPAvmbhK62QDyuW65g2 23GPR9HgECfrb3FNhkiovniecV3CeBLgLsDljfcTjB2QjSW2Jh0p623g1XHMC0DY7XXU SHMQVyxncmZhxQXhwS+C8tMpXcjeEW2Sc5y3JL02G47v4Ij+V8sMcb87TB2Go4zSiKAW r8AM43LgJjJWfGgyHw/atWpeMycCS2kGWBXDru6YvMWYhzlh2eFDhH5A7XhBnvTD8RHw VGpg== X-Gm-Message-State: AO0yUKVQ11+jiZdBROWKE22eT1RdvO1Rm1htxumwcKgwaEWYJAxNnlUq tX5PZmLkwgOUPKU59IXO62hfpTHtW//8cCFGt2c= X-Google-Smtp-Source: AK7set8M2ScOuiqCNSCuBPsWpJDEEIvkejGDWgouRr3gzVyj9Y3Lq/WSxoivIRhwTIh17X3FhAu+hg== X-Received: by 2002:a17:90a:f111:b0:237:779d:7022 with SMTP id cc17-20020a17090af11100b00237779d7022mr1308675pjb.3.1678245039062; Tue, 07 Mar 2023 19:10:39 -0800 (PST) Received: from localhost.localdomain ([50.233.106.125]) by smtp.gmail.com with ESMTPSA id o44-20020a17090a0a2f00b0023440af7aafsm7995806pjo.9.2023.03.07.19.10.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 19:10:38 -0800 (PST) From: Jens Axboe To: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 3/3] pipe: set FMODE_NOWAIT on pipes Date: Tue, 7 Mar 2023 20:10:33 -0700 Message-Id: <20230308031033.155717-4-axboe@kernel.dk> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230308031033.155717-1-axboe@kernel.dk> References: <20230308031033.155717-1-axboe@kernel.dk> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org The read/write path is now prepared to deal with IOCB_NOWAIT, hence enable support for that via setting FMODE_NOWAIT on new pipes. Signed-off-by: Jens Axboe Reviewed-by: Christian Brauner --- fs/pipe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/pipe.c b/fs/pipe.c index 10366a6cb5b6..9db274f9baa5 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -994,6 +994,9 @@ static int __do_pipe_flags(int *fd, struct file **files, int flags) audit_fd_pair(fdr, fdw); fd[0] = fdr; fd[1] = fdw; + /* pipe groks IOCB_NOWAIT */ + files[0]->f_mode |= FMODE_NOWAIT; + files[1]->f_mode |= FMODE_NOWAIT; return 0; err_fdr: