From patchwork Mon Jul 24 09:43:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13323731 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 5F760C001E0 for ; Mon, 24 Jul 2023 09:48:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232422AbjGXJse (ORCPT ); Mon, 24 Jul 2023 05:48:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231266AbjGXJsJ (ORCPT ); Mon, 24 Jul 2023 05:48:09 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4DCD1BDB for ; Mon, 24 Jul 2023 02:46:53 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-1bba9539a23so640975ad.1 for ; Mon, 24 Jul 2023 02:46:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690192002; x=1690796802; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4zTxasxXedNYwr5HiD+ktCpinG7wwpmHx5iR9IBn5EM=; b=JQ+VYszNneWq9LnVTeEUNZ2bA9JmZI8LOFjK9svc9H4hl8hRyG271LpHarvUCKIyZI 5Vn1CBHP/6AH5rHqtPGE6/hWSk0SIy6RYK161aZhDGhYtCkOSsB2o0ayijs8INBvePS+ ybYmPnwAbLpRLtFyM0o4EOx/Hrne48NbEWwKs3diUJ/coEGr8/xoETACnBW25DeyyWC2 ybnkMyVu7T3nx0cFgEz9x8FtixitWLVj99q7wd/aAYhgB/uAk5tIASLlagkcZ5eA/CFb vVvRndH0r/gASWIjyvLt8jh52cZF67TvvoceATQn3UiM+oNvT8rjkWmY1oM8XcntVr02 2LrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690192002; x=1690796802; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4zTxasxXedNYwr5HiD+ktCpinG7wwpmHx5iR9IBn5EM=; b=BY6sOFjlDmc9Dn0I9p/t8ZJTVfoFOmCprP5t41riXNsV1jvEYhGHsfMQ3syuKd0IhM 2abwe6PG/JDWGVqVsNPtVpRSlJeute18S/dUuXIZ7X15CFZmqH68Fz6GFrgBbUurzohV fYK+IjQ48YsAb1m0ugaaZIzq1JYFNy2P+ObzIysiG0V3leatSC/27uILsgbHsbyIVOtA LcAu0TgCVuWnjgELoSF4bmDrRBwmgQU1PfPfjQIDAt2Tg6aS7lBVLNuiuF/R+ofGE7fk uocDkcVfCb1QeaVgY+nd2+1pgR+dvZAB/9trGM5yxTRuHxGxfU4MM6DN1oJKyTgVCpJh 0mJQ== X-Gm-Message-State: ABy/qLZmjulp09vXMHYLSvVCRPMOl+H45TENfubLEDLH7N3MblTVjHLi GDp9A+HHoiziuiNSmMfNsM7cLQ== X-Google-Smtp-Source: APBJJlEIhnQwoFDHuweIAHt2tJcWGI0d+r3I5wbhweuAT0TQly4d+VEILSYdnjVlMqhcbUSPWrZO+w== X-Received: by 2002:a17:903:41c9:b0:1b8:17e8:547e with SMTP id u9-20020a17090341c900b001b817e8547emr12196517ple.1.1690192002389; Mon, 24 Jul 2023 02:46:42 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id d5-20020a170902c18500b001bb20380bf2sm8467233pld.13.2023.07.24.02.46.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 02:46:42 -0700 (PDT) From: Qi Zheng To: akpm@linux-foundation.org, david@fromorbit.com, tkhai@ya.ru, vbabka@suse.cz, roman.gushchin@linux.dev, djwong@kernel.org, brauner@kernel.org, paulmck@kernel.org, tytso@mit.edu, steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org, yujie.liu@intel.com, gregkh@linuxfoundation.org, muchun.song@linux.dev Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, linux-mtd@lists.infradead.org, rcu@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org, Qi Zheng Subject: [PATCH v2 08/47] erofs: dynamically allocate the erofs-shrinker Date: Mon, 24 Jul 2023 17:43:15 +0800 Message-Id: <20230724094354.90817-9-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230724094354.90817-1-zhengqi.arch@bytedance.com> References: <20230724094354.90817-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Use new APIs to dynamically allocate the erofs-shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- fs/erofs/utils.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c index cc6fb9e98899..389de06e1065 100644 --- a/fs/erofs/utils.c +++ b/fs/erofs/utils.c @@ -270,19 +270,25 @@ static unsigned long erofs_shrink_scan(struct shrinker *shrink, return freed; } -static struct shrinker erofs_shrinker_info = { - .scan_objects = erofs_shrink_scan, - .count_objects = erofs_shrink_count, - .seeks = DEFAULT_SEEKS, -}; +static struct shrinker *erofs_shrinker_info; int __init erofs_init_shrinker(void) { - return register_shrinker(&erofs_shrinker_info, "erofs-shrinker"); + erofs_shrinker_info = shrinker_alloc(0, "erofs-shrinker"); + if (!erofs_shrinker_info) + return -ENOMEM; + + erofs_shrinker_info->count_objects = erofs_shrink_count; + erofs_shrinker_info->scan_objects = erofs_shrink_scan; + erofs_shrinker_info->seeks = DEFAULT_SEEKS; + + shrinker_register(erofs_shrinker_info); + + return 0; } void erofs_exit_shrinker(void) { - unregister_shrinker(&erofs_shrinker_info); + shrinker_unregister(erofs_shrinker_info); } #endif /* !CONFIG_EROFS_FS_ZIP */