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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73EA7C433EF for ; Fri, 6 May 2022 07:01:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235091AbiEFHEy (ORCPT ); Fri, 6 May 2022 03:04:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1386883AbiEFHEr (ORCPT ); Fri, 6 May 2022 03:04:47 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95A8D4D63F; Fri, 6 May 2022 00:01:05 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id x18so6567984plg.6; Fri, 06 May 2022 00:01:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2AGe5Fmx04dYyhCcUtd7dBWkTmPQ4OwhfuehIUMvDJ4=; b=OKbex0vmp7kWmxvwwJRScYXYCARzcyb0nJnHPf3sRu+k66EkOQ06HAMncYe+24pUxi TyHl+M13kcUJRh/zR0NBQaYQTmQZA8J7i8PsjJjy4KGMZsQu7qJjcaskP605ZycJAZJV wymev/cUEgPhmDG92TcNn0+wTBmJYyiNAebidcEQK8oIJnwL2hLYrg09wF7L1VovvPoC zepjJFdTM8C15D0JR86tP09qy/GM/PKCA10/X5c+fXeTeMcw4x16T/nnm0RE/8aLjIx5 TWx3E1BBeoHH0/lP0hyEldXkHok5Wn4+coS4tC6Rq0HOauwHZICaMWl7avu0jdACO9Zs F2TQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=2AGe5Fmx04dYyhCcUtd7dBWkTmPQ4OwhfuehIUMvDJ4=; b=F0LxwupG29IYTRgeu8q9ro3DHSEqdPwf12xz82veuS8zLHUlw+qG/fA7cDpzoCNONi j+1jEhrh+MohrhJEK8CjezzjCgGYcaQZ4db4VW3ON0NF99Ql5rmPO6urzNnQcv94pgDT 6LLjDb1nJ9lAThVYwr0cwsX5u1y2L8ZY+gkBXlS8MRdGRPCYIQDWk+2xRLeVaVUiRNID BSCEmQDczxE5e8KIcuefNtCSLSnqzlZCGcwAkEyB2G/9rSWbyBhS6s7Fp/A4poI3Sxwz 6ek1Rtx7ttJWgZGddE0bgccLs4qULrmXQYKJ5oo+ybfLP0uJ0BYraPJa2y/13m+jeooy lSBw== X-Gm-Message-State: AOAM531giu2qywdHvIkqvUjp6b6RL0BM+iYBAksHJseMEEyb4MyQeQ4J w+iXpmdufhG80y2g7nKp7WXOsiOXyDU= X-Google-Smtp-Source: ABdhPJwR/XbbxF8XjQQ5FK4kHIN7brTqpFYIY68SsdK91qG+YI+35sIDAaeLeTNGZD53eUaBxQuscA== X-Received: by 2002:a17:902:868e:b0:15a:7c9d:b11f with SMTP id g14-20020a170902868e00b0015a7c9db11fmr2214171plo.151.1651820464993; Fri, 06 May 2022 00:01:04 -0700 (PDT) Received: from HOWEYXU-MB0.tencent.com ([106.53.4.151]) by smtp.gmail.com with ESMTPSA id bh2-20020a170902a98200b0015e8d4eb2desm813112plb.296.2022.05.06.00.01.02 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 May 2022 00:01:04 -0700 (PDT) From: Hao Xu To: io-uring@vger.kernel.org Cc: Jens Axboe , Pavel Begunkov , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] io_uring: add REQ_F_APOLL_MULTISHOT for requests Date: Fri, 6 May 2022 15:00:59 +0800 Message-Id: <20220506070102.26032-3-haoxu.linux@gmail.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220506070102.26032-1-haoxu.linux@gmail.com> References: <20220506070102.26032-1-haoxu.linux@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hao Xu Add a flag to indicate multishot mode for fast poll. currently only accept use it, but there may be more operations leveraging it in the future. Signed-off-by: Hao Xu --- fs/io_uring.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index 1e7466079af7..8ebb1a794e36 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -808,6 +808,7 @@ enum { REQ_F_SINGLE_POLL_BIT, REQ_F_DOUBLE_POLL_BIT, REQ_F_PARTIAL_IO_BIT, + REQ_F_APOLL_MULTISHOT_BIT, /* keep async read/write and isreg together and in order */ REQ_F_SUPPORT_NOWAIT_BIT, REQ_F_ISREG_BIT, @@ -872,6 +873,8 @@ enum { REQ_F_DOUBLE_POLL = BIT(REQ_F_DOUBLE_POLL_BIT), /* request has already done partial IO */ REQ_F_PARTIAL_IO = BIT(REQ_F_PARTIAL_IO_BIT), + /* fast poll multishot mode */ + REQ_F_APOLL_MULTISHOT = BIT(REQ_F_APOLL_MULTISHOT_BIT), }; struct async_poll { -- 2.36.0