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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 E832DC2D0C0 for ; Sat, 21 Dec 2019 08:38:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7774206D3 for ; Sat, 21 Dec 2019 08:38:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KUOfLMTi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726060AbfLUIiF (ORCPT ); Sat, 21 Dec 2019 03:38:05 -0500 Received: from mail-wm1-f49.google.com ([209.85.128.49]:39909 "EHLO mail-wm1-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725944AbfLUIiF (ORCPT ); Sat, 21 Dec 2019 03:38:05 -0500 Received: by mail-wm1-f49.google.com with SMTP id 20so11328764wmj.4 for ; Sat, 21 Dec 2019 00:38:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=e/Rb/STNucYXTa86EF3GmsP1X8eYpl+TK8Bm6/ysniU=; b=KUOfLMTiE1+80AulyjgRtVuO0hDEcITKHLSCZk02kJooJvB+tgZwGXxMeoj3KMJ3t+ ptDkOMQAGwP8cQ56gcU6wpkpaKN3XAQqXhkDW+/FSyOmO/HH4kU6mFZSlYQVws8Wkw6B 4Qmp46ahzqNvlJ1b21rB7z2qc/9JHQfqofSt1FvR5rODzPyAz13XMNpOBW5djnD0htuJ gR2owvhHtCJ2PBd7JmAjxLjvwmKBjtfhLfuEHULDo8yQbkkNLhCtM9ATlqntDBGvpCXA MmdWp5RVM3t2oZfVEICXwFcMg2CPJ73yO8zO/IPWtJFPdBFHYKbXKP8rFBJparStx7/+ RrXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=e/Rb/STNucYXTa86EF3GmsP1X8eYpl+TK8Bm6/ysniU=; b=uZlEXJXylIApLKrnOInuS5JUm4qsc+10oX4BWhJvmuJJltDtJmLtlAh8PREn2tTAuS 3L61tCZ2HA4Paloe4L9ZkAH5y2wqFprnpySIkyvRNBCTb47pf12hwKPsqlQsAuE4ylVF wGWL2LNQMAYLpbNb/K0g1hgEDAqTjzeV13Cb+Lxs3zdzX6rSVJlTtz3u7qoDobjeuycB RczUgj2+V2n8tLk4eS1xIYLkSbOz+5gM4XUL29Zz3k/ob5cQAh10RiwiGc2LWAbhDi/B ELQcc2S/cyCiRN7BFxJJK98mcjftjt0oaRpG31Eg1FJREtgp4vgJOOBaq4hDYzY39YPl YPYQ== X-Gm-Message-State: APjAAAXX82iB+OQrdjpBQKzdrFWvH4G7ISLOb7t+VSYEZdwykjqCS5Vh vnNUvgJVuE7klt8YapAUs5kpZzQ3 X-Google-Smtp-Source: APXvYqw74luKbk+KdhOXGpANFlcV2qoY+X/HS95gh9BdwS7zvz2CIYZsagDSuHX3XU9tT+X3qcB4yg== X-Received: by 2002:a7b:c936:: with SMTP id h22mr20126958wml.115.1576917483433; Sat, 21 Dec 2019 00:38:03 -0800 (PST) Received: from glet ([91.187.202.82]) by smtp.gmail.com with ESMTPSA id x11sm12429218wmg.46.2019.12.21.00.38.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Dec 2019 00:38:02 -0800 (PST) Date: Sat, 21 Dec 2019 09:38:00 +0100 From: Andrea Gelmini To: Chris Murphy Cc: Btrfs BTRFS Subject: Re: fstrim is takes a long time on Btrfs and NVMe Message-ID: <20191221083800.GA85226@glet> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Fri, Dec 20, 2019 at 11:24:24PM -0700, Chris Murphy wrote: > Hi, > > Recent kernels, I think since 5.1 or 5.2, but tested today on 5.3.18, > 5.4.5, 5.5.0rc2, takes quite a long time for `fstrim /` to complete, > just over 1 minute. Same effect here, since more than one year (and all update kernel version). It happens with my laptop devices: nvme: KBG30ZMT128G TOSHIBA 1 128,04 GB / 128,04 GB 512 B + 0 B (Firm. 0108ADLA) SSD sata: Samsung SSD 860 EVO 4TB (Firmw. RVT02B6Q) I guess it doesn't matter, anyway: nvme: btrfs ssd: ext4 on cryptsetup + lvm Ciao, Gelma