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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 AAF07C2D0DB for ; Fri, 31 Jan 2020 22:16:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72B2B2082E for ; Fri, 31 Jan 2020 22:16:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="M6zJ9J3P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726518AbgAaWQs (ORCPT ); Fri, 31 Jan 2020 17:16:48 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:42329 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726330AbgAaWQr (ORCPT ); Fri, 31 Jan 2020 17:16:47 -0500 Received: by mail-wr1-f67.google.com with SMTP id k11so10415203wrd.9; Fri, 31 Jan 2020 14:16:44 -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=z0qLNjKELTzo8V2eDuoK6TJ0KaPfo8HAQpIU4qVlhvY=; b=M6zJ9J3PkavUndeMp2TByATRmXERrJR1X50HtK8gCQBCcY/04qFM/74E8Ud7SAWNtw I5CAoqdGFvw/iy2hL62ZZaFHyb3BSRPB1inwnl82G658k3kmf2X7uoMI958n44ZmFwS9 0zTE4pPmg1fI4PgkeLLatHnc75jp6Au4XWgfmBNCH2cEjLr5oO6oWoS9Drm/n314ibVc PlGwcbsLmhRdhCoBdXFTuilXSl01Rb/Ep5CxTgH7WCDvXilNTsrrK4hCvLU2JseZDXc8 MSKpwanmiHKeh0FUZeWAZ7e2sJ5ALDbIsqPGO3PXF9b2NlhPkcTIOfMrPZf/w6ft7JoE nW2Q== 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=z0qLNjKELTzo8V2eDuoK6TJ0KaPfo8HAQpIU4qVlhvY=; b=CWmJ95Ywn6XozFC8CuN/PknPKtw06sALTrL84Xoxi8UE/Y8scLYpy5bgdWc3PJDR30 KL2T03qbBS4K8xW4J5um9o/u03SrPHOOpTEELW3wZLgtFJNUz7NS70fraEq1HuCWYXWH w99QI7rWBbPr96uEvSHt8JWsnqhrvg4eVjMLDTGyBxCzAjBKNFWSu5N2RroSQrm1w6nb Bi/V42UsAb1pifoyO8EVucSFsg6IORn/3MOjEscao0tKB1dMokCtHaUhgloCuW0Z1pNF b32j9I0W6nIFLEjykYhkvvRBMU33g7IZQ7TLWUYzfaV8BQspAjl8rmPLUUeEcAYBCm0D x1lw== X-Gm-Message-State: APjAAAX/2dtcA5Y1+Hw0l5wvyWkboDOSpRk1REj0JEzgIeYzRcOd6e0F fRPjAmRseqr7zFe8gl8TsUshDcY6 X-Google-Smtp-Source: APXvYqzk2ib0orQl1T3z77LcmZgoVPYGS6LGaOwmy4coPw/4BGyHwZhg0T4GsEi8Elz9myuqK6FJAQ== X-Received: by 2002:adf:fe0e:: with SMTP id n14mr568702wrr.116.1580509003978; Fri, 31 Jan 2020 14:16:43 -0800 (PST) Received: from localhost.localdomain ([109.126.145.157]) by smtp.gmail.com with ESMTPSA id e6sm12328001wme.3.2020.01.31.14.16.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Jan 2020 14:16:43 -0800 (PST) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/6] add persistent submission state Date: Sat, 1 Feb 2020 01:15:49 +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 Apart from unrelated first patch, this persues two goals: 1. start preparing io_uring to move resources handling into opcode specific functions 2. make the first step towards long-standing optimisation ideas Basically, it makes struct io_submit_state embedded into ctx, so easily accessible and persistent, and then plays a bit around that. v2: rebase v3: drop the mm-related patch and rebase Pavel Begunkov (6): io_uring: always pass non-null io_submit_state io_uring: place io_submit_state into ctx io_uring: move ring_fd into io_submit_state io_uring: move *link into io_submit_state io_uring: persistent req bulk allocation cache io_uring: optimise req bulk allocation cache fs/io_uring.c | 166 +++++++++++++++++++++++++++----------------------- 1 file changed, 89 insertions(+), 77 deletions(-) -- 2.24.0