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=-2.6 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_SANE_1 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 DE7D1C433E0 for ; Sun, 21 Jun 2020 07:01:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA29524750 for ; Sun, 21 Jun 2020 07:01:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tM3A5Pq3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729374AbgFUHBk (ORCPT ); Sun, 21 Jun 2020 03:01:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729346AbgFUHBj (ORCPT ); Sun, 21 Jun 2020 03:01:39 -0400 Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2ADAC061794 for ; Sun, 21 Jun 2020 00:01:37 -0700 (PDT) Received: by mail-lj1-x22c.google.com with SMTP id c17so15833059lji.11 for ; Sun, 21 Jun 2020 00:01:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=5AouEqsd3BtOpP95OiSQCElrxQ8C7Lnmbl+c6T0I/VA=; b=tM3A5Pq3zs1dUZ5KwYCuaF5zsoC7Mk6j7T29cr1kFccZLN1HYdoM9HPUUOjzelmX3+ 9Pz+8UIibS2PkMd1TFlaqRrZPHQUMWlwOQhhY0kk1fkwn+wGYfZNKLNqWzzDImFbEPR7 YGzvmm1TOcEV4QWXDgD3uJIwAXyNLOBBbSJGv5pM5eEdaZlE7yP28dsGvfBCGwOUiNlV eBBqm+R8ZokUvVfTEN9lO6meHN5dYk5YhV5biv2PnEXzi8VWRkJsAUVfA9KCS8JtHCID QRJxQpxqZRbUkZt8d8wLDUVcjll/QUG6u1zDG9tBBqFvYb1PvVJUcB5mwhdjYyMlwJo/ iSWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:autocrypt:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=5AouEqsd3BtOpP95OiSQCElrxQ8C7Lnmbl+c6T0I/VA=; b=H7CswQTYujaajwygsz+DIV58fOUKi1bab8OBTN4+SnY7Wh/8vcTuSpwPJHJ5Dq73Qv OH+anQgQrS4WaJ5Olg8SPetqBrlnyAdbJ+aVcb/AjL/35iweYSYDD8AttyeXHKF65X6f Nmoyu+PoIpI4dyK4J+Q7doxu2jkoPhoRG8K27NvmEfLScLmt5amLHjU/WvcTM7hsPKrS nDX1hCA9g5F1plctJSROU148Cz/aulbbG9BZcU7K8T10FK1BeuQuFPYGz+91kGT83Oht g2t2OKRotHZ+mLk15D+mdayR3yImDOI1U2mKr/nXg/MSQPmS5Cu9t5i9LOLWXRxjXW+8 SLVA== X-Gm-Message-State: AOAM533wWg3wfi76qt9oxdKhz7M0qvGJ09rXWinVPLoGtKRRSNEXJ3fa QSkhv6DqEnXd+PmF5gscO8b4+qQi X-Google-Smtp-Source: ABdhPJy6kjmz74+w0lKa4bNEgFKc0VoEjq0ttB+iABUtdGkwjbeTrwt61ywUwxmlo8oWdmiiIhFosA== X-Received: by 2002:a05:651c:33c:: with SMTP id b28mr5637425ljp.405.1592722896050; Sun, 21 Jun 2020 00:01:36 -0700 (PDT) Received: from ?IPv6:2a00:1370:812d:7752:3103:9df:768d:2252? ([2a00:1370:812d:7752:3103:9df:768d:2252]) by smtp.gmail.com with ESMTPSA id k21sm2031046lji.40.2020.06.21.00.01.34 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Jun 2020 00:01:35 -0700 (PDT) Subject: Re: weekly fstrim (still) necessary? To: linux-btrfs@vger.kernel.org References: <20200621054240.GA25387@tik.uni-stuttgart.de> From: Andrei Borzenkov Autocrypt: addr=arvidjaar@gmail.com; prefer-encrypt=mutual; keydata= LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tCgptUUdpQkR4aVJ3d1JCQUMz Q045d2R3cFZFcVVHbVNvcUY4dFdWSVQ0UC9iTENTWkxraW5TWjJkcnNibEtwZEc3CngrZ3V4 d3RzK0xnSThxamYvcTVMYWgxVHdPcXpEdmpIWUoxd2JCYXV4WjAzbkR6U0xVaEQ0TXMxSXNx bEl3eVQKTHVtUXM0dmNRZHZMeGpGc0c3MGFEZ2xnVVNCb2d0YUlFc2lZWlhsNFgwajNMOWZW c3R1ejQvd1h0d0NnMWNOLwp5di9lQkMwdGtjTTFuc0pYUXJDNUF5OEQvMWFBNXFQdGljTEJw bUVCeHFrZjBFTUh1enlyRmxxVncxdFVqWitFCnAyTE1sZW04bWFsUHZmZFpLRVo3MVcxYS9Y YlJuOEZFU09wMHRVYTVHd2RvRFhnRXAxQ0pVbitXTHVyUjBLUEQKZjAxRTRqL1BISEFvQUJn cnFjT1RjSVZvTnB2MmdOaUJ5U1ZzTkd6RlhUZVkvWWQ2dlFjbGtxakJZT05HTjNyOQpSOGJX QS8wWTFqNFhLNjFxam93UmszSXk4c0JnZ00zUG1tTlJVSllncm9lcnBjQXIyYnl6NndUc2Iz VTdPelVaCjFMbGdpc2s1UXVtMFJONzdtM0kzN0ZYbEloQ21TRVk3S1pWekdOVzNibHVnTEhj ZncvSHVDQjdSMXc1cWlMV0sKSzZlQ1FITCtCWndpVThoWDNkdFRxOWQ3V2hSVzVuc1ZQRWFQ cXVkUWZNU2kvVXgxa2JRbVFXNWtjbVY1SUVKdgpjbnBsYm10dmRpQThZWEoyYVdScVlXRnlR R2R0WVdsc0xtTnZiVDZJWUFRVEVRSUFJQVVDU1hzNk5RSWJBd1lMCkNRZ0hBd0lFRlFJSUF3 UVdBZ01CQWg0QkFoZUFBQW9KRUVlaXpMcmFYZmVNTE9ZQW5qNG92cGthK21YTnpJbWUKWUNk NUxxVzV0bzhGQUo0dlA0SVcrSWM3ZVlYeENMTTcvem05WU1VVmJyUW5RVzVrY21WNUlFSnZj bnBsYm10dgpkaUE4WVhKMmFXUnFZV0Z5UUc1bGQyMWhhV3d1Y25VK2lGNEVFeEVDQUI0RkFr SXR5WkFDR3dNR0N3a0lCd01DCkF4VUNBd01XQWdFQ0hnRUNGNEFBQ2drUVI2TE11dHBkOTR4 ajhnQ2VJbThlK2U0cXhETWpRRXhGYlVMNXdNaWkKWUQwQW9LbUlCUzVIRW9wL1R5UUpkTmc2 U3Z6VmlQRGR0Q1JCYm1SeVpYa2dRbTl5ZW1WdWEyOTJJRHhoY25acApaR3BoWVhKQWJXRnBi QzV5ZFQ2SVhBUVRFUUlBSEFVQ1Bxems4QUliQXdRTEJ3TUNBeFVDQXdNV0FnRUNIZ0VDCkY0 QUFDZ2tRUjZMTXV0cGQ5NHlEdFFDZ2k5NHJoQXdTMXFqK2ZhampiRE02QmlTN0Irc0FvSi9S RG1hN0tyQTEKbkllc2JuS29MY1FMYkpZbHRDUkJibVJ5WldvZ1FtOXljMlZ1YTI5M0lEeGhj blpwWkdwaFlYSkFiV0ZwYkM1eQpkVDZJVndRVEVRSUFGd1VDUEdKSERRVUxCd29EQkFNVkF3 SURGZ0lCQWhlQUFBb0pFRWVpekxyYVhmZU1pcFlBCm9MblllRUJmOGNvV2lud3hUZThEVjBS T2J4N1NBS0RFamwzdFFxZEY3MGFQd0lPMmgvM0ZqczJjZnJRbVFXNWsKY21WcElFSnZjbnBs Ym10dmRpQThZWEoyYVdScVlXRnlRR2R0WVdsc0xtTnZiVDZJWlFRVEVRSUFKUUliQXdZTApD UWdIQXdJR0ZRZ0NDUW9MQkJZQ0F3RUNIZ0VDRjRBRkFsaVdBaVFDR1FFQUNna1FSNkxNdXRw ZDk0d0ZHd0NlCk51UW5NRHh2ZS9GbzNFdllJa0FPbit6RTIxY0FuUkNRVFhkMWhUZ2NSSGZw QXJFZC9SY2I1K1NjdVFFTkJEeGkKUnlRUUJBQ1F0TUUzM1VIZkZPQ0FwTGtpNGtMRnJJdzE1 QTVhc3VhMTBqbTVJdCtoeHpJOWpEUjkvYk5FS0RUSwpTY2lIbk03YVJVZ2dMd1R0KzZDWGtN eThhbit0VnFHTC9NdkRjNC9SS0tsWnhqMzl4UDd3VlhkdDh5MWNpWTRaCnFxWmYzdG1tU045 RGxMY1pKSU9UODJEYUpadXZyN1VKN3JMekJGYkFVaDR5UkthTm53QURCd1FBak52TXIvS0IK Y0dzVi9VdnhaU20vbWRwdlVQdGN3OXFtYnhDcnFGUW9CNlRtb1o3RjZ3cC9yTDNUa1E1VUVs UFJnc0cxMitEawo5R2dSaG5ueFRIQ0ZnTjFxVGlaTlg0WUlGcE5yZDBhdTNXL1hrbzc5TDBj NC80OXRlbjVPckZJL3BzeDUzZmhZCnZMWWZrSm5jNjJoOGhpTmVNNmtxWWEveDBCRWRkdTky Wkc2SVJnUVlFUUlBQmdVQ1BHSkhKQUFLQ1JCSG9zeTYKMmwzM2pNaGRBSjQ4UDdXRHZLTFFR NU1Lbm4yRC9USTMzN3VBL2dDZ241bW52bTRTQmN0YmhhU0JnY2tSbWdTeApmd1E9Cj1nWDEr Ci0tLS0tRU5EIFBHUCBQVUJMSUMgS0VZIEJMT0NLLS0tLS0K Message-ID: <2f020f58-e3ee-b8be-d803-7004f71d337a@gmail.com> Date: Sun, 21 Jun 2020 10:01:34 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200621054240.GA25387@tik.uni-stuttgart.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org 21.06.2020 08:42, Ulli Horlacher пишет: > On SLES a weekly fstrim is done via a btrfsmaintenance script, which is > missing on Ubuntu. > > For ext4 filesystem an explicite fstrim call is no longer neccessary, Why? > what > about btrfs? > Shall I call fstrim via /etc/cron.weekly ? > It is really up to you. Is it question about distribution defaults, or what exactly are you asking?