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 02F0CC43334 for ; Tue, 14 Jun 2022 12:33:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242647AbiFNMdu (ORCPT ); Tue, 14 Jun 2022 08:33:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245251AbiFNMdY (ORCPT ); Tue, 14 Jun 2022 08:33:24 -0400 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4EE044A01 for ; Tue, 14 Jun 2022 05:30:39 -0700 (PDT) Received: by mail-wm1-x331.google.com with SMTP id x6-20020a1c7c06000000b003972dfca96cso4712771wmc.4 for ; Tue, 14 Jun 2022 05:30:39 -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=ToujjDMrgxjXImVoVU6hciJcYYHsx0thIW3gWEU5SEA=; b=nTcDlCuG/00HkgwY92Q3tY5WQhp7nXfww4UCWNXZJ/2WFTibK0VHf9F6pvqlXcTqWj aHMsLQUrakD9XYjCeiAl486PJ3yLuPXUs2NG9SIBR0v3nftF12Tp7Xp5BRsp/AnrObpf fo6nl8YMQKPx27JUxEqwE4ZY4/Nz5IZcYa1peHGGAZs4o9MBzI8tTwF8uCg25fQj7vLC psXmkl77FGQg6KvzO7y1AC5OUDY8i9UDscceWOtoYj8W1YtLgUPMqqs9WVRvOnISIYdc /8BD+LCLpkPr5tesvgYSyaIBpAf8kC+IC02RCyCEdNe4khdRcWsYWOalm+6D2ZXHG0+p e5/A== 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=ToujjDMrgxjXImVoVU6hciJcYYHsx0thIW3gWEU5SEA=; b=mCSpMDN59Y1scAxpxgVkb3+UtS6ynaqaVpXUOMqSET+hqAVLWQNOwLERDV1oze3VZI QoVO/QthbpjvO+9ivF9+vDt6Gbm4XEUY4AKQ9aiLm7NfmiCIAmorzD4mwCKzgxP0gaQX KJbYwbfQ9qck9fjoUbCTAPbX18cAmRlpgq69v03Z7nUeKzFl9oihMw4xq9YXm7uQ0rFj dKc3qSgz25zWzO/rybDWT3PHNETLIzNVMEJbc7QcKBOfHCCzP9K1MQsTMwGhh1OckUoN WXj0YXzSEdjxr5o0yhjpkbf2/TNUNDSuJbLG++//jPhJvy9N3us9OF+pZr90v6V8B9tS Cn9g== X-Gm-Message-State: AOAM531olpJt7lextwWdCVlhh8fHbURvJgSjxsXwGByuIxFQbm1i/Nrb Y/uEJkEujvARB349Ofqx6g0n8y4hcwh/SA== X-Google-Smtp-Source: ABdhPJz26FqgShcnU56x4IISwHonAR5Nhy3xktetYZINkroEmFjTmf/iGKMt0nBP+9chJhI+eY+hHA== X-Received: by 2002:a05:600c:601f:b0:39c:416c:4069 with SMTP id az31-20020a05600c601f00b0039c416c4069mr3867322wmb.85.1655209837312; Tue, 14 Jun 2022 05:30:37 -0700 (PDT) Received: from 127.0.0.1localhost (188.28.125.106.threembb.co.uk. [188.28.125.106]) by smtp.gmail.com with ESMTPSA id t7-20020a05600c198700b0039c5fb1f592sm12410651wmq.14.2022.06.14.05.30.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jun 2022 05:30:36 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH for-next 02/25] io_uring: move defer_list to slow data Date: Tue, 14 Jun 2022 13:29:40 +0100 Message-Id: <097c9f3eb3f8ab052e10160567928ec8df0f1303.1655209709.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org draining is slow path, move defer_list to the end where slow data lives inside the context. Signed-off-by: Pavel Begunkov --- io_uring/io_uring_types.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/io_uring/io_uring_types.h b/io_uring/io_uring_types.h index 7c22cf35a7e2..52e91c3df8d5 100644 --- a/io_uring/io_uring_types.h +++ b/io_uring/io_uring_types.h @@ -160,7 +160,6 @@ struct io_ring_ctx { struct io_uring_sqe *sq_sqes; unsigned cached_sq_head; unsigned sq_entries; - struct list_head defer_list; /* * Fixed resources fast path, should be accessed only under @@ -272,8 +271,12 @@ struct io_ring_ctx { struct work_struct exit_work; struct list_head tctx_list; struct completion ref_comp; + + /* io-wq management, e.g. thread count */ u32 iowq_limits[2]; bool iowq_limits_set; + + struct list_head defer_list; }; }; -- 2.36.1