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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 109C1C433E0 for ; Thu, 25 Feb 2021 23:19:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B345864F28 for ; Thu, 25 Feb 2021 23:19:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230494AbhBYXTV (ORCPT ); Thu, 25 Feb 2021 18:19:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229966AbhBYXTU (ORCPT ); Thu, 25 Feb 2021 18:19:20 -0500 Received: from mail-ot1-x32a.google.com (mail-ot1-x32a.google.com [IPv6:2607:f8b0:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69E82C061574; Thu, 25 Feb 2021 15:18:40 -0800 (PST) Received: by mail-ot1-x32a.google.com with SMTP id g8so3773146otk.4; Thu, 25 Feb 2021 15:18:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=cM/27TDPWU9n1B6VG3wJi0mVX0hV7v6Zx7CIoZXnIRw=; b=t8DFX+2qkbRzbf3IBxdYLIa9x3/shke3R7pFeGnj1vm31atPMFVwmCzr+iFDl7G1Xl 8XwZ3M4KDwiq8ULIY8hhcyjUWewbRc5Q/p7JSl3to4LK0/18kB/wnK4If70UvOeEdwTD QmkplfV0XF30aLP43W0/dM1Hl+WctFaVukOxxQ1cqm6BQ3u7k9YhWy2PpeVT341MpoPT St93wzwa1sfbLpLWeQRAv0UZbheTMyRHs6K11n82aG+iEM3DnzV2ZHPg30uU4FxYUFW6 mBbh8xFtdrBVTXDT6ASvM4twqpWaNWWH1hfRG3LjC8QvjPdcRZemw7GWCCGvfodzkaJN UaHQ== 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=cM/27TDPWU9n1B6VG3wJi0mVX0hV7v6Zx7CIoZXnIRw=; b=OG/dyiuAIHTJ/a7x4eEnIVvZLDC4wao/kWSJ9psqPZ0JFYpLReZIiDDlrlRRJ8VuDe 7+iytKuFpgQoNfNYBh/roN5uudrAphUcn6AEHWtSbr2ZhIakIj84eN5g0Z1IihPM5SQe oabVmD7bGhHN4E1Enm93MTO8DJbotLHK+Mefj51fxmzchSsUi+iRL5PCdKtT62IH9rt5 qHH0S6/1ic7xyO5KwJuA2EzK8Dt02NOKMJ8fqRnkAI4PX+FIoCUa2ikarlF+MkSGvy2C hdaNkaDdUFix2ht5pZJ4NkRtUyU77hpUcmrwhyrOgl/lxJMenJKzFrxBuho2GihW4XCL 721w== X-Gm-Message-State: AOAM530ESL53dtfcr86QyMq8oRDd4TUw1zyvhTMLKlch/0SyLzj2Cr1p AXYyP3ewDuVLfY58GADStMYrWVgtGmb/x+eY1eA1IS5DgLaM8A== X-Google-Smtp-Source: ABdhPJy2xIHE+jaUaMITTNUcOiQL8Y4dNasb7T+8SKhMztdlS1CaMSTOOjjWw+bDu/fYkEI5lRqkOZJyLqAm8sfTmek= X-Received: by 2002:a05:6830:1688:: with SMTP id k8mr73901otr.45.1614295119840; Thu, 25 Feb 2021 15:18:39 -0800 (PST) MIME-Version: 1.0 References: <20210225132647.GB7604@twin.jikos.cz> In-Reply-To: From: Amy Parker Date: Thu, 25 Feb 2021 15:18:28 -0800 Message-ID: Subject: Re: Adding LZ4 compression support to Btrfs To: Jim N Cc: dsterba@suse.cz, Neal Gompa , Btrfs BTRFS , linux-fsdevel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Thanks for your comments, Jim. I was originally going to abandon my thoughts about LZ4 on btrfs - but I didn't realize that FAQ was from 2014. > lz4 has had ongoing development and now exists in other linux kernel fs's. What other filesystems currently employ LZ4? Not as familiar with it being used on other filesystems. -Amy IP