Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp5107544ybe; Tue, 17 Sep 2019 02:44:59 -0700 (PDT) X-Google-Smtp-Source: APXvYqy+Uep29jRhWrnmgNZ10mycSMLmaeNVqQbhqUFWqbl8ZN0wOy3cQYdNLzG+Y8EayT4VCIZC X-Received: by 2002:a17:907:214e:: with SMTP id rk14mr3921037ejb.60.1568713499078; Tue, 17 Sep 2019 02:44:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568713499; cv=none; d=google.com; s=arc-20160816; b=rpA8lJnMB5umAi7z3vjY2jUVqQwp1iWvWRln1PJH/qyG+Bx9K14k3K1qqqflSm06lm A1oiHtYKhMbHk9iNBhp2yV66wO4SP/2Wso/8Tv4nhiUq9FCMNX1JmS2NZ++trmNHOztu 8IoiwgkEqDsxzEI6KLibIquBKc4LU/BWu+CfnniPIlGFWGG43hMeluxxIYr0hb2LyBjF 68KXsr7RcIZeV8PkPTIB0d8eJ5/QCayId4hO0R8w6EkFgrOiLje8Y3z0GivMjv5yRHPk Ebu4g4/m+91MkWEARMxoI7Yg/+NMfy5b7k8zCXF2B9piJW6BorPvKmr3hlIfPMN6TBN6 4u+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=r390VayBj/3xi39RJHDAEzLS1ApSogHRMpyEDeFIW8U=; b=Vww3GOP8ol7D4b1HRPi4j1LQIQHtAXW3IISEw3wDDNgBCAdnPP0+6Nwdyg5w8BE7z9 JlmHdeWylzw8pjqo+FOg7eaXDE/b7M9eKspF8NxHg2cgfNuc6Wo9NvvKbbNXJHpvbhRu z/cy8lZj5TZ12/+awEAUHJ8nHp/nnwM3BAp1RdZOZ+bt9NRHkh3JFxLSH1DN+EGju0jp q/OsfTSeYaO7rx+IH2Y3jbmvtQYHAgQkvoE+raWT6sGsC3ZZDLfwhwJgkFHyF9rG4UIX ppWxKI433/AMYeCUkNFdJLRowFROohj766PCYczzWT3PxhyegQcsSMujXzxWqtcCqf4q sQlA== ARC-Authentication-Results: i=1; mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=d69BRr0x; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w20si1049141edc.202.2019.09.17.02.44.35; Tue, 17 Sep 2019 02:44:59 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=d69BRr0x; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404491AbfIQHqc (ORCPT + 99 others); Tue, 17 Sep 2019 03:46:32 -0400 Received: from mail-io1-f67.google.com ([209.85.166.67]:41012 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728561AbfIQHqb (ORCPT ); Tue, 17 Sep 2019 03:46:31 -0400 Received: by mail-io1-f67.google.com with SMTP id r26so5265898ioh.8 for ; Tue, 17 Sep 2019 00:46:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=r390VayBj/3xi39RJHDAEzLS1ApSogHRMpyEDeFIW8U=; b=d69BRr0xyCV3c6m95lJoLGl50d5Ex2yqBOKw46rMtzmuV+Rwa2hW6rI6MP3zGZWCPJ PqIuE8ISWyF/nAilyQbnrrZCdoF2Wp/tzdsqdPKrpeMPGuLtcmuDTUONwR1pCJh5iggB P4e+ZNnTSwRYWzLJdcoe3g7iiH8ekCwtPMrto= 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=r390VayBj/3xi39RJHDAEzLS1ApSogHRMpyEDeFIW8U=; b=mtir4dy57OBFoGKRtCnSwFKIOlPkDXgVgAMTTWWxirzSFgTly0xlYbduHB2t9/DpS2 Ok/XqLwn2oHQISKjXXLj+CwsrAJ3hhCqODjHtmgJ6rQMxtL1+h4H2ztrGBRrGlQwd29e bW01O4DZtDprcGyYHQ8cxuB3GY/cZk5s1FmTA5HG+ApjZUUeFOCLmud2OOdd+CwAW19p ux8laWoMm+1mBb98GcM1V7Hzf64XURP9b2JKK8PsMxKf5fWZJ5l8wVdWWPPhSDMkbCOb Y9Gpr6INyLHbnexx3QWiR7v3r2tZ+N5DuWNv51uiWBXJZanjISxZQlTIWLBaIV13pqwK ztTQ== X-Gm-Message-State: APjAAAVh+IL2f+scvaSjMntEmcVpt0LGHiM6Q3nS8g+ziXYbsUHXzed8 9APgAefqHf1K3bEX562Stw00UY4VZsVOXcyly7VuzA== X-Received: by 2002:a02:b388:: with SMTP id p8mr2684640jan.77.1568706390957; Tue, 17 Sep 2019 00:46:30 -0700 (PDT) MIME-Version: 1.0 References: <20190916235642.167583-1-khazhy@google.com> In-Reply-To: <20190916235642.167583-1-khazhy@google.com> From: Miklos Szeredi Date: Tue, 17 Sep 2019 09:46:19 +0200 Message-ID: Subject: Re: [PATCH v3 1/2] fuse: on 64-bit store time in d_fsdata directly To: Khazhismel Kumykov Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Shakeel B Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 17, 2019 at 1:56 AM Khazhismel Kumykov wrote: > > Implements the optimization noted in f75fdf22b0a8 ("fuse: don't use > ->d_time"), as the additional memory can be significant. (In particular, > on SLAB configurations this 8-byte alloc becomes 32 bytes). Per-dentry, > this can consume significant memory. Applied, thanks. Miklos