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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 3D7FBC4361B for ; Tue, 15 Dec 2020 18:48:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04D1522AAE for ; Tue, 15 Dec 2020 18:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731341AbgLOSsQ (ORCPT ); Tue, 15 Dec 2020 13:48:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729716AbgLOSsQ (ORCPT ); Tue, 15 Dec 2020 13:48:16 -0500 Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83361C06179C for ; Tue, 15 Dec 2020 10:47:35 -0800 (PST) Received: by mail-lf1-x142.google.com with SMTP id l11so42090456lfg.0 for ; Tue, 15 Dec 2020 10:47:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=rLLdi6SbGwiTC8CrKXOLyvFDABsz4NBmEvYBuGd7sOM=; b=c0UHZckSqT4BmDvkKwB4LQ1ic83LRU1k2v1BmoW68t0LDPr5hs0CoRGsUzEJ6RPmKd KmAqMRIVnMlZE2S84yIwuIUjRIiBYKa3RkBeeBOaVPsCEd6188vGhUrWKovCvsuKSCGh frJL9U3kwWqdLwQVdZ07ynm33WQ7xSeJxqImg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=rLLdi6SbGwiTC8CrKXOLyvFDABsz4NBmEvYBuGd7sOM=; b=k42pE8AKDhWfkUEFjk4GIHOOXtk2pza4LRQwSruQNOIcB5Tsmmyf6MEKFp6+VVkCpt wuVcGPk3V9DzxD5amUD0yPG8NHDkYJ/C5DZg5UsVuJmQ4lGgRqyKA6ZpVIJNWKt0AOsl SUCqteSg57x3n4/OXm1vQmzDa32jDCUk5SO9u8Ptwp4a7jvtJzEcARj7JhdFIPX6yULm 4q4YlHgiGw19xwLmE7ZMuSC0blpTn8Lo8ECtB3HhX3xBpvopANDBAMHLeyhcwjjNQwfV MOolyPL6P45m7Ooqmq7ujzZPI/OaSoH/DJqe8Ij0vh2TX+KA31yAY+6ID0ATFQnOokCL cmlw== X-Gm-Message-State: AOAM53007ErDV+fFgcGRphKc9L3fcSUvsUglWUG4y7Rk4wZCYvvX4mVr Ae28q23Z2DcglgTT5fDRcc0HCjWIPydrpA== X-Google-Smtp-Source: ABdhPJxixu8W9jYVwtLVfe/2C8xNHWg+TEzPMlxQ+TH64YS3q71ZCJb6n6xuSN7UGE1wy8w3P0nVCQ== X-Received: by 2002:a19:804c:: with SMTP id b73mr13214622lfd.231.1608058053687; Tue, 15 Dec 2020 10:47:33 -0800 (PST) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com. [209.85.167.44]) by smtp.gmail.com with ESMTPSA id e25sm305228lfc.40.2020.12.15.10.47.32 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Dec 2020 10:47:32 -0800 (PST) Received: by mail-lf1-f44.google.com with SMTP id m25so42015241lfc.11 for ; Tue, 15 Dec 2020 10:47:32 -0800 (PST) X-Received: by 2002:a2e:6f17:: with SMTP id k23mr13371970ljc.411.1608058052256; Tue, 15 Dec 2020 10:47:32 -0800 (PST) MIME-Version: 1.0 References: <20201214191323.173773-1-axboe@kernel.dk> <20201214191323.173773-3-axboe@kernel.dk> <20201215122447.GQ2443@casper.infradead.org> <75e7d845-2bd0-5916-ad45-fb84d9649546@kernel.dk> <20201215153319.GU2443@casper.infradead.org> <7c2ff4dd-848d-7d9f-c1c5-8f6dfc0be7b4@kernel.dk> <4ddec582-3e07-5d3d-8fd0-4df95c02abfb@kernel.dk> <01be1442-a4d1-6347-f955-3a28a8d253e7@kernel.dk> In-Reply-To: <01be1442-a4d1-6347-f955-3a28a8d253e7@kernel.dk> From: Linus Torvalds Date: Tue, 15 Dec 2020 10:47:16 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 2/4] fs: add support for LOOKUP_NONBLOCK To: Jens Axboe Cc: Matthew Wilcox , linux-fsdevel , Al Viro Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Dec 15, 2020 at 10:44 AM Jens Axboe wrote: > > In usecs again, same test, this time just using io_uring: > > Cached 5.10-git 5.10-git+LOOKUP_NONBLOCK > -------------------------------------------------------- > 33% 1,014,975 900,474 > 100% 435,636 151,475 Ok, that's quite convincing. Thanks, Linus