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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96DB7C4332F for ; Mon, 17 Oct 2022 00:57:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229788AbiJQA5S (ORCPT ); Sun, 16 Oct 2022 20:57:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229772AbiJQA5Q (ORCPT ); Sun, 16 Oct 2022 20:57:16 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DD783EA55 for ; Sun, 16 Oct 2022 17:57:12 -0700 (PDT) Received: from canpemm500006.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MrJPJ5TM6zVj2d; Mon, 17 Oct 2022 08:52:36 +0800 (CST) Received: from [10.67.110.83] (10.67.110.83) by canpemm500006.china.huawei.com (7.192.105.130) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 17 Oct 2022 08:57:10 +0800 Subject: ping// Re: [PATCH v5 0/2] squashfs: Add the mount parameter "threads=" To: , CC: , , , References: <20220916083604.33408-1-nixiaoming@huawei.com> <20220930091406.50869-1-nixiaoming@huawei.com> From: Xiaoming Ni Message-ID: <910e5533-4abc-85f1-6bfc-4d776f8bed7b@huawei.com> Date: Mon, 17 Oct 2022 08:57:03 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.0.1 MIME-Version: 1.0 In-Reply-To: <20220930091406.50869-1-nixiaoming@huawei.com> Content-Type: text/plain; charset="gbk"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.110.83] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500006.china.huawei.com (7.192.105.130) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ping On 2022/9/30 17:14, Xiaoming Ni wrote: > Currently, Squashfs supports multiple decompressor parallel modes. However, this > mode can be configured only during kernel building and does not support flexible > selection during runtime. > > In the current patch set, the mount parameter "threads=" is added to allow users > to select the parallel decompressor mode and configure the number of decompressors > when mounting a file system. > > "threads=" > The upper limit is num_online_cpus() * 2. > > v5: fix a low-level mistake in patching: > fs/squashfs/super.c:492:7: warning: "CONFIG_SQUASHFS_DECOMP_MULTI" is > not defined, evaluates to 0 [-Wundef] > > v4: https://lore.kernel.org/lkml/20220916083604.33408-1-nixiaoming@huawei.com/ > Based on Philip Lougher's suggestion, make the following updates: > 1. Use static modifiers to avoid changing symbol names. > 2. Fixed some formatting issues > > v3: https://lore.kernel.org/lkml/20220902094855.22666-1-nixiaoming@huawei.com/ > Based on Philip Lougher's suggestion, make the following updates: > 1. The default configuration is the same as that before the patch installation. > 2. Compile the three decompression modes when the new configuration is enabled. > 3. "threads=1" supports only the SQUASHFS_DECOMP_SINGLE mode. > > v2: https://lore.kernel.org/lkml/20220816010052.15764-1-nixiaoming@huawei.com/ > fix warning: sparse: incorrect type in initializer (different address spaces) > Reported-by: kernel test robot > > v1: https://lore.kernel.org/lkml/20220815031100.75243-1-nixiaoming@huawei.com/ > > Xiaoming Ni (2): > squashfs: add the mount parameter theads= > squashfs: Allows users to configure the number of decompression > threads > > fs/squashfs/Kconfig | 51 ++++++++++++++++-- > fs/squashfs/block.c | 2 +- > fs/squashfs/decompressor.c | 2 +- > fs/squashfs/decompressor_multi.c | 20 ++++--- > fs/squashfs/decompressor_multi_percpu.c | 23 +++++--- > fs/squashfs/decompressor_single.c | 15 ++++-- > fs/squashfs/squashfs.h | 23 ++++++-- > fs/squashfs/squashfs_fs_sb.h | 4 +- > fs/squashfs/super.c | 93 +++++++++++++++++++++++++++++++-- > 9 files changed, 199 insertions(+), 34 deletions(-) >