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 A6A93C433DB for ; Fri, 26 Feb 2021 00:22:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5846E64F21 for ; Fri, 26 Feb 2021 00:22:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231274AbhBZAWZ (ORCPT ); Thu, 25 Feb 2021 19:22:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230100AbhBZAWX (ORCPT ); Thu, 25 Feb 2021 19:22:23 -0500 Received: from mail-yb1-xb33.google.com (mail-yb1-xb33.google.com [IPv6:2607:f8b0:4864:20::b33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F133DC061574; Thu, 25 Feb 2021 16:21:42 -0800 (PST) Received: by mail-yb1-xb33.google.com with SMTP id u75so7227547ybi.10; Thu, 25 Feb 2021 16:21:42 -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:content-transfer-encoding; bh=9wtvzsP9n0ZRp/18oaJpo+a9Pw9RY5ZydEKMoj+prZQ=; b=KWnxoUuLankb6FZHjOMUSUEwdZNfjyWKrzwnCCL5JzhoYAhH0xkXSoKkBYy2tfNOYD Z0T7gvEAHVXB8TlSBL9mQ2xwNuEcWRQpSz9hPBiNr/b7IuaWojQpg+RR8JrdKs02YO/d c5wAQ5sIsZ+JeQaYXVW5yQdrWkMJkL19aTcpYzFCRyZwDgY9BZBCwTkyMi1MqWK6yMyn yUw83JCCya+OTPrDDWsnyXL5Bny21naIpnd2efprgcJ7Nj1MANBp1lxlrzPPU0LU+BQC y6h0ETobPoQvAoOI/NlH7/7vWK+bc5Vg+frflhdIJTaydK8pwctzu4Jt86ES6ek3MSKB +f9w== 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:content-transfer-encoding; bh=9wtvzsP9n0ZRp/18oaJpo+a9Pw9RY5ZydEKMoj+prZQ=; b=oVsE+WGqbpGW+d9pacTrg4p+T4h2S9ojgNG0KzYFLEugNJpJ7P8o3KhW8M7LLSwEAl /FUu+ncR4cT7vzNy+f/4nWrZhjUoH5LntLetnR0JBR7zn+SO+PBR6CVEMNwgswDKw5lJ esUvTwclhEPgS8rdigFt9fomk3qTxTMf4gmlqJL6QI1AR6m2K1ZSB3Np+qZNK/r1VREA qB65W0tCtCTrYudoSCtDhHWHSizIHOKRm4d1M2fRV5oHyDEoe6cHQ5PVpsn5rXhQJ4to gsXF2FMCutf3P7imwbMDJppkzsUPYyQfmkIm+bVS1rM6Hf7WN1rT8jqnIBI/cwiV4Iu3 N2WQ== X-Gm-Message-State: AOAM5313i9GV4b+xUHE2aCxlXXSNxW9srqnFidMxmcM1X2J9TONXT+Pv Zsw62C2p21r5NoJ6q66EVFGCSESY8JOCzEETNm4= X-Google-Smtp-Source: ABdhPJxdpwta3sQHIacZtRXurLpIYJ0uo+xxbZR6oqhEoUcPjg1cME7UKVdDk6sd05qQ9g06g6hkZkKew8q12rFHFoI= X-Received: by 2002:a25:424f:: with SMTP id p76mr720182yba.109.1614298902249; Thu, 25 Feb 2021 16:21:42 -0800 (PST) MIME-Version: 1.0 References: <20210225132647.GB7604@twin.jikos.cz> In-Reply-To: From: Neal Gompa Date: Thu, 25 Feb 2021 19:21:06 -0500 Message-ID: Subject: Re: Adding LZ4 compression support to Btrfs To: Amy Parker Cc: Jim N , dsterba@suse.cz, Btrfs BTRFS , linux-fsdevel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Thu, Feb 25, 2021 at 6:18 PM Amy Parker wrote: > > 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. > In the Linux kernel, both SquashFS and F2FS have LZ4 compression support. --=20 =E7=9C=9F=E5=AE=9F=E3=81=AF=E3=81=84=E3=81=A4=E3=82=82=E4=B8=80=E3=81=A4=EF= =BC=81/ Always, there's only one truth!