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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1777CC433FE for ; Mon, 18 Apr 2022 09:07:39 +0000 (UTC) Received: from localhost ([::1]:59410 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ngNM8-0003Xq-OI for qemu-devel@archiver.kernel.org; Mon, 18 Apr 2022 05:07:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40620) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ngNJx-0002cY-SU for qemu-devel@nongnu.org; Mon, 18 Apr 2022 05:05:26 -0400 Received: from mail-pj1-x1031.google.com ([2607:f8b0:4864:20::1031]:53227) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ngNJu-0002tV-G1 for qemu-devel@nongnu.org; Mon, 18 Apr 2022 05:05:20 -0400 Received: by mail-pj1-x1031.google.com with SMTP id 2so12528658pjw.2 for ; Mon, 18 Apr 2022 02:05:18 -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:mime-version :content-transfer-encoding; bh=dLsN6PiZxS665U21WnYzKoY1I6R6IUBqThGDNUEmUYU=; b=dgPasdnY61ksrkjLeOB5x5pj2bA4qnQe9vojVOt96xFVBH6isybUmHbLsXgb8wzvdj RJvtS3ngCOulpaTTez43Lw/X8sgn8Yb/ylAfebRfImrvP8mRNKWiaFhR7igbV3Ae3+kz mV9qRmVByaj3HlNI6sllrAoEo+swrTZetlyFpL93YHHU8vtMJxT1va6q+WghGlh08Eid pIEWZAqS+BmJe9NEzl4C/uSAAT9jyjEGkEq7UmRH9AZ75I81SMMrW2soiA21QZhJWxQ7 yuUpoxBk9U4Wc5MOuwQJHVIHLcT5WlwdXm7xtY7SpLiVFq6MSNLiGGj/oiuToylKlmMn Ki6Q== 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:mime-version :content-transfer-encoding; bh=dLsN6PiZxS665U21WnYzKoY1I6R6IUBqThGDNUEmUYU=; b=I8K9FqreDhzw+272Xj7BSFi1JPblW6F6SPLPQQWz9/jTomVRtptTZ/ZJEIO4O9x5dJ 0GJYIiJFJNkJ/MWE92iN2CbobjAv6lux2b1GSrC12WFbjNdhwvNUbzIQSUJUtpWMY/W6 GnDd87U1u4QImBeVhuzD0Y5XHZZLLULvRSeGd4XP/9YyJQ/qo2AKudKv4L4isXjVbUht WkoKhP6b4JRR71pLx2NL3hYM2srfnyxN3m8F6/G0coI1/4mFm2mrUFc5lhEctZhSiH0P 2iLu1F5m5ywwvscksbk0WZ7eofWPIb2unh93QCXt7QMDomlawTDwYom3FgbaIZC5b+rn iK4A== X-Gm-Message-State: AOAM530IyLUxLbBb/qK5OEckX7QnGU+gzXp0Tv7iSKpsMu59RB4BEisj WFIsV5z2ykRvSagBn54qTK6BZb2RMvhGOwiXhqI= X-Google-Smtp-Source: ABdhPJxjvv8aljcPljXz89dnWibe10COt/StqlMSShvZWhdkqQSMP6aT7atj7jZbsddoK80uznZjvQ== X-Received: by 2002:a17:90b:4c43:b0:1d2:aa8f:f687 with SMTP id np3-20020a17090b4c4300b001d2aa8ff687mr2245801pjb.230.1650272715914; Mon, 18 Apr 2022 02:05:15 -0700 (PDT) Received: from fedora.. ([101.206.166.4]) by smtp.gmail.com with ESMTPSA id j13-20020a056a00130d00b004f1025a4361sm12434644pfu.202.2022.04.18.02.05.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Apr 2022 02:05:15 -0700 (PDT) From: Sam Li To: qemu-devel Subject: [PATCH 2/2] Use io_ring_register_ring_fd() to skip fd operations Date: Mon, 18 Apr 2022 17:05:04 +0800 Message-Id: <20220418090504.50107-1-faithilikerun@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=faithilikerun@gmail.com; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Fomichev , Stefan Hajnoczi , Damien Le Moal , Sam Li , Hannes Reinecke Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" fix code style issue. Signed-off-by: Sam Li --- block/io_uring.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/block/io_uring.c b/block/io_uring.c index 2942967126..57745ecfa1 100644 --- a/block/io_uring.c +++ b/block/io_uring.c @@ -436,10 +436,15 @@ LuringState *luring_init(Error **errp) ioq_init(&s->io_q); if (io_uring_register_ring_fd(&s->ring) < 0) { - error_setg_errno(errp, errno, "failed to register linux io_uring ring file descriptor"); + /* + * If the function fails, it will fallback to the non-optimized io_uring + * operations. + */ + error_setg_errno(errp, errno, + "failed to register linux io_uring ring file descriptor"); } - return s; + return s; } void luring_cleanup(LuringState *s) -- 2.35.1