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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ji13-20020a170907980d00b00730a11988dcsi10157161ejc.562.2022.08.21.23.00.41; Sun, 21 Aug 2022 23:01:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=HyZrFAGr; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232724AbiHVFxc (ORCPT + 99 others); Mon, 22 Aug 2022 01:53:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232646AbiHVFx0 (ORCPT ); Mon, 22 Aug 2022 01:53:26 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3539CB7DA for ; Sun, 21 Aug 2022 22:53:25 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id r22so8498447pgm.5 for ; Sun, 21 Aug 2022 22:53:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:subject:cc:to:from:from:to:cc; bh=LcNHrnEhxuFZm+K7EEF8OzzvN2HFfZimKpmmavzN8HM=; b=HyZrFAGr4rovcGDB38Cq87BHaAK7i7EozVlYc5ZSe3WVF5SbSmB1UYNP7m2/jM6gix t+iE76zr1Dwg2h6qNamSJF0tpBmfRxxOm/Sj2wni4lkqIb5itP90/AQ7NsWFeS3AcEWY Z9dogkwIzc2GpGe5O+Lr3mOyyfpQy908LVsX00DDjoFLnAkpdVNSZvsVAfXwdLs1GHn3 4w9i4ZZwElg1yGt0wDZMWjMbHHNGigb97W6N31eoIk4IatVqytejMOULcJo9du91D+Mb YcXjMy4jZ8dAaPBDmx700c+amt/cHT+tnJaJxYOOFF/VGb6up8CytAU2QDdUkAuPoHZk dm/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=LcNHrnEhxuFZm+K7EEF8OzzvN2HFfZimKpmmavzN8HM=; b=kstnhI/iDnwwM1RyImwG5d3LbYgZ5Ix6uN9KhTyLDVTBauhiF5DfiIsvQ52ARWSxV+ Xl2og1ymaI+mXhOE4zl0/HVEwuXGRDo1WP/oRPy+Jea3+ozoC7h5vHe6Zr+Gkchq6itx 8MKPonbV2Se3bX5Y/O7pXaKzEpVU1lIVv1areZUwXJoUhUhLRn0u3L9aiXWlTQT00aYz LQnzcTFW/fMrVOYv5FeWvltAnZbpxQ9TFs0IZmH6vfks9Aq5qiGMfaAtcIDqIwQCYxpa ErhxKYJg4pyfAcUWAtAPcE4OQ5tkIqt+EOAs4FcCtEef2FxfAhvbqVVkp+I8RGlenbNs aIMA== X-Gm-Message-State: ACgBeo08FnKAcmkeQf2mdpwmI1V7gq9yOXoMDN4yHN8Aj4kdRLU7O7PR EmvFJ/3jNbhqEXGgcrWW7xOMsUxiGY4= X-Received: by 2002:a63:6e81:0:b0:419:f7b1:4b12 with SMTP id j123-20020a636e81000000b00419f7b14b12mr15579172pgc.406.1661147604728; Sun, 21 Aug 2022 22:53:24 -0700 (PDT) Received: from localhost.localdomain ([156.236.96.165]) by smtp.gmail.com with ESMTPSA id cu14-20020a17090afa8e00b001f23db09351sm7078817pjb.46.2022.08.21.22.53.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Aug 2022 22:53:24 -0700 (PDT) From: Yue Hu To: xiang@kernel.org, chao@kernel.org Cc: linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, zhangwen@coolpad.com, Yue Hu Subject: [RFC PATCH 0/2] erofs: support compressed fragments data Date: Mon, 22 Aug 2022 13:52:59 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yue Hu This feature can merge tail of per-file or the whole files into a special inode to achieve greater compression ratio. mkfs v4: https://lore.kernel.org/all/cover.1661087840.git.huyue2@coolpad.com/ Yue Hu (2): erofs: support on-disk offset for shifted decompression erofs: add on-disk compressed fragments support fs/erofs/decompressor.c | 15 +++++++---- fs/erofs/erofs_fs.h | 26 ++++++++++++++----- fs/erofs/internal.h | 16 +++++++++--- fs/erofs/super.c | 6 +++++ fs/erofs/sysfs.c | 2 ++ fs/erofs/zdata.c | 55 ++++++++++++++++++++++++++++++++++++++++- fs/erofs/zmap.c | 40 +++++++++++++++++++++++++++--- 7 files changed, 141 insertions(+), 19 deletions(-) -- 2.17.1