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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x6-20020a05640226c600b0042bced44065si3094549edd.131.2022.06.17.01.41.39; Fri, 17 Jun 2022 01:42:06 -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=@chromium.org header.s=google header.b=Lk366whE; 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=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380498AbiFQIik (ORCPT + 99 others); Fri, 17 Jun 2022 04:38:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380211AbiFQIid (ORCPT ); Fri, 17 Jun 2022 04:38:33 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E22E689AB for ; Fri, 17 Jun 2022 01:38:31 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id 184so3488114pga.12 for ; Fri, 17 Jun 2022 01:38:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=K+DkLreQJFdtzIaPZdznlpaTpcwmK3UqwA6ApgLZ4TQ=; b=Lk366whEMkptSrLGRqAclQQ2FcZrq04kAssYDgRTppdYfoFU9F8gaIEBPsIOZ7WgdH 7hRdbHaR+fLKNo99gbAdrz9+6McDkQp0stDBWrUqEP6bmBGyOdzvvyDeH4Y+ZXwbNkcn qkh89tsvJEYcOetnsx3qNK1W3/0tGw/saX9r0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=K+DkLreQJFdtzIaPZdznlpaTpcwmK3UqwA6ApgLZ4TQ=; b=sJpT/ggpsqGyytHwWiVDkCzWaJLixcHhO5BACbUlp/7Sb25h6rUPl2D1kF+6PFu6Rt 7cCzP3g2Xw5mzyXyMiSRanQlDdCEUmOKMb44hmWveIATUT/0h6mZW4m/kmloLhwYlZc1 wBjMVklYzhYg1j8Xv4GlQpDMCT69UIYD3ppL1lnqW6NrL4odkw+TOCtDxa83gbtrcEvc wk7dk+EhmMiMg8NutvrIOWDEqiJgkW3oEaBBhdTr6IdzJI1b4wrlnLZkeQNY7WqFLupf TbqidxMFBtWsV2Boil0s8979lD5fXtDL1MQFohXh6sUVozZ6/I0ln7kBn2sp+XpeKvFa rsug== X-Gm-Message-State: AJIora98+vMEVfgAGdB+CRawgZ+S/wgMknj1JpU8Y+YXKM8r00Fi5LRM xHRtlrE0JNcyvtOVcV3v5KN9BA== X-Received: by 2002:a05:6a00:2999:b0:51b:e3c8:9e30 with SMTP id cj25-20020a056a00299900b0051be3c89e30mr8750954pfb.41.1655455110868; Fri, 17 Jun 2022 01:38:30 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:a0dc:9427:fea8:f78a]) by smtp.gmail.com with ESMTPSA id d12-20020a62f80c000000b005185407eda5sm3154103pfh.44.2022.06.17.01.38.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jun 2022 01:38:30 -0700 (PDT) From: Hsin-Yi Wang To: Phillip Lougher , Matthew Wilcox , Marek Szyprowski , Andrew Morton Cc: Xiongwei Song , Zheng Liang , Zhang Yi , Hou Tao , Miao Xie , "linux-mm @ kvack . org" , "squashfs-devel @ lists . sourceforge . net" , linux-kernel@vger.kernel.org Subject: [PATCH v7 0/4] Implement readahead for squashfs Date: Fri, 17 Jun 2022 16:38:07 +0800 Message-Id: <20220617083810.337573-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.36.1.476.g0c4daa206d-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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 Commit 9eec1d897139("squashfs: provide backing_dev_info in order to disable read-ahead") mitigates the performance drop issue for squashfs by closing readahead for it. This series implements readahead callback for squashfs. The previous discussions are in [1] and [2]. [1] https://lore.kernel.org/all/CAJMQK-g9G6KQmH-V=BRGX0swZji9Wxe_2c7ht-MMAapdFy2pXw@mail.gmail.com/T/ [2] https://lore.kernel.org/linux-mm/Yn5Yij9pRPCzDozt@casper.infradead.org/t/#m4af4473b94f98a4996cb11756b633a07e5e059d1 v7 adds the patch to support reading fragments in readahead call[3]. No changes on other patches since v6, which is included in next-20220617. [3] https://patchwork.kernel.org/project/linux-mm/patch/20220617030345.24712-1-phillip@squashfs.org.uk/ Hsin-Yi Wang (2): Revert "squashfs: provide backing_dev_info in order to disable read-ahead" squashfs: implement readahead Phillip Lougher (2): squashfs: always build "file direct" version of page actor squashfs: support reading fragments in readahead call fs/squashfs/Makefile | 4 +- fs/squashfs/file.c | 133 ++++++++++++++++++++++++++++++++++++++- fs/squashfs/page_actor.h | 46 -------------- fs/squashfs/super.c | 33 ---------- 4 files changed, 134 insertions(+), 82 deletions(-) -- 2.36.1.476.g0c4daa206d-goog