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 E7573C6FD1B for ; Tue, 7 Mar 2023 17:25:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231534AbjCGRZl (ORCPT ); Tue, 7 Mar 2023 12:25:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230268AbjCGRZM (ORCPT ); Tue, 7 Mar 2023 12:25:12 -0500 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5ECA1A2F1C for ; Tue, 7 Mar 2023 09:20:22 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id i5so14895460pla.2 for ; Tue, 07 Mar 2023 09:20:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1678209621; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=dLoB7xqcbq2D/9EuKOfTh5Aky6biZ6xDYbDnw2JzEq4=; b=yCMuN5QpF6F8x7tzPPMVTle1TkAXahuai/5ScNH8qcZxtLsY0LY3EnY4oqj5IxyBpK qjR3aHTrHyXCGESRKUNkyiIycDwirn1STeR+2SWNv4cK7ROgSDf93lAst4nMkm7zPlEX GdrTSsm4IsWYfsmx2PAXdq6CAQLrJmpft5CMYI9JGCyWgP4lwiwsjwPJ8vNvi127sebR ueCn6r/r/ftBl2B5PzZCj2+hXkqgJdGk5ZwMgQ4kVO4ND6PQ/r5K+aY8uJCxpGhUmHWQ NeaFvLIvS71UEhLT5bQqyxIgWk5+rnm/6gJvoIW345E+6UBFbCw6/wvGriNv5M/S84XG M36A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678209621; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=dLoB7xqcbq2D/9EuKOfTh5Aky6biZ6xDYbDnw2JzEq4=; b=h/pYdptXJWpVBH2bJD7QmfJOu0fr5XxNGHf1ux+yynl4KdSi+JYEFTyoeX9VTSG0qm qX0Mu2GreVx7O/yrPWCsV02RRDU4F8rPBVKmksdFpbFnpzL5TN5YNV26l7HQ6KIsbtE7 XgjvlojK0Ew+gTUggsLnNPjM0ykxkF4oad7B72LhDQVV1eSax+O5y2d/gj7Mh+icWmI8 yprmvFVLJzIJEE5ntWaInjwjUEsIl1+p59SlbTo9Hh4Q4ZH0y61VF/jon4ppKuqepOdn tzAiL0PoTgEnxqmnSRgQl6A8szOiYchZqrGKyN2hUfYbmxmiPdYNZoItblfAW6D3ggO0 rkBA== X-Gm-Message-State: AO0yUKUIU85zIi+kxQNsQmuWTTuANJNtMGWgsnhMqYhXtgKiAitjgPx/ nCGbtq4LeMQfP1+0ZSBNDtZBtUmk8Bs0axgMbd8= X-Google-Smtp-Source: AK7set8rDGYZOIgkIwn4GSWtWuoEh/oVIqQ7Cvp4xVlIHUntM7PhsBFAFUDiLHlQuD6P7d05dsSzVA== X-Received: by 2002:a17:902:cec7:b0:19e:4cda:513 with SMTP id d7-20020a170902cec700b0019e4cda0513mr15454468plg.5.1678209621418; Tue, 07 Mar 2023 09:20:21 -0800 (PST) Received: from localhost.localdomain ([50.233.106.125]) by smtp.gmail.com with ESMTPSA id c17-20020a170903235100b0019e76a99cdbsm8651390plh.243.2023.03.07.09.20.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 09:20:20 -0800 (PST) From: Jens Axboe To: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org Subject: [PATCHSET for-next 0/2] Flag file systems as supporting parallel dio writes Date: Tue, 7 Mar 2023 10:20:13 -0700 Message-Id: <20230307172015.54911-1-axboe@kernel.dk> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hi, This has been on my TODO list for a while, and now that ext4 supports parallel dio writes as well, time to dust it off and send it out... This adds an FMODE flag to inform users that a given file supports parallel dio writes. io_uring can use this to avoid serializing dio writes upfront, in case it isn't needed. A few details in patch #2, patch 1 does nothing by itself. -- Jens Axboe