From nobody Thu Sep 11 22:29:02 2025 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 410C4CA0ED6 for ; Mon, 11 Sep 2023 22:22:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359512AbjIKWRX (ORCPT ); Mon, 11 Sep 2023 18:17:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235902AbjIKJqH (ORCPT ); Mon, 11 Sep 2023 05:46:07 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EF22ED for ; Mon, 11 Sep 2023 02:46:03 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id d9443c01a7336-1bf1876ef69so11138165ad.1 for ; Mon, 11 Sep 2023 02:46:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1694425562; x=1695030362; darn=vger.kernel.org; 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=vEaLNFUhwmRxiNXJvWOPc9Z79QJgQluJlkgX3lFWQho=; b=gOxko638HsLgsWcQM8ZBxit1ohP69BYgLCBujdoJ2To0duqKxeriBW+3V5k4ouTNJV grBw30CtJ9hALTxxprwQrY38B4wX8PCdXfzSbZ3FaA0CNcLtPEkyuD0+NIPj2CPvTy6t wVKhCUe+JKt56Ec/dYr/S9HUE7FgxkFb3X7RAl73ba/3IRrKFCbwmg4mruCg+6Uh7OXY 6zX2nbgMNeJxzZe2ymp/I/UY0KLd7LHnAcNTpdaJ9Gw3R4Fo/EV1fTrNoAxC+3Yv9dwi 1GmXsW1HglVJyqSzmTaI/OuanvXaChxuUKZvzAhbDvn+8V3/uzCR7Rq76vmd6Xn6HVKK y7Ug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694425562; x=1695030362; 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=vEaLNFUhwmRxiNXJvWOPc9Z79QJgQluJlkgX3lFWQho=; b=U99wgIO4g+T76jgfFTKrHjagCdwd0GMXinnQwt3X+M5LpSE2x+QyqSeARtqsRKm7hL fBv2LusdLSj7oRCIswdnm4MBbULXQ7niSFuJvGT4R+d1ZzM1WyOoMV5UK66CfACS0g6T zLEwnH6b8yP5p1+2jBPf0n4/8fT6XFOp85yGZOW9RmVbdFCPSQJVzws6CPh0JFAlgwms IdheaiYNdWNhgrxxJSCHhz+uI1n4ouXM0bMBGmlm22viaMam+1TXw8ANtcGhmnCh/7zR PehjZ+BMgBkz83EHGntJD+dguHsuyBdVvLe0b1ZgK3dsGSIrrmt0ye+ZlIVynpJcfS6R TsAw== X-Gm-Message-State: AOJu0YxctlhX1oKhudib4QIHj/7RDomN9T8EqWto3AvIdar6+12CXCUy Z3E/JNF3gdi5PNAL09Fl02vQJQ== X-Google-Smtp-Source: AGHT+IEEe7OKLpAjWZ6ZHMp4sopalHLkAI6pc9tZjZALl4cTsdDgpaoyKPO/MAR6mRgsc+S+sQMbZw== X-Received: by 2002:a17:903:3386:b0:1c3:8dbe:aecb with SMTP id kb6-20020a170903338600b001c38dbeaecbmr8865820plb.2.1694425562720; Mon, 11 Sep 2023 02:46:02 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.146]) by smtp.gmail.com with ESMTPSA id az7-20020a170902a58700b001bdc2fdcf7esm5988188plb.129.2023.09.11.02.45.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Sep 2023 02:46:02 -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, linux-fsdevel@vger.kernel.org, Qi Zheng , Muchun Song , Chao Yu , Gao Xiang , Yue Hu , Jeffle Xu , linux-erofs@lists.ozlabs.org Subject: [PATCH v6 06/45] erofs: dynamically allocate the erofs-shrinker Date: Mon, 11 Sep 2023 17:44:05 +0800 Message-Id: <20230911094444.68966-7-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230911094444.68966-1-zhengqi.arch@bytedance.com> References: <20230911094444.68966-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use new APIs to dynamically allocate the erofs-shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song Reviewed-by: Chao Yu Reviewed-by: Gao Xiang CC: Yue Hu CC: Jeffle Xu CC: linux-erofs@lists.ozlabs.org --- fs/erofs/utils.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c index cc6fb9e98899..e9c25cd7b601 100644 --- a/fs/erofs/utils.c +++ b/fs/erofs/utils.c @@ -270,19 +270,24 @@ static unsigned long erofs_shrink_scan(struct shrinke= r *shrink, return freed; } =20 -static struct shrinker erofs_shrinker_info =3D { - .scan_objects =3D erofs_shrink_scan, - .count_objects =3D erofs_shrink_count, - .seeks =3D DEFAULT_SEEKS, -}; +static struct shrinker *erofs_shrinker_info; =20 int __init erofs_init_shrinker(void) { - return register_shrinker(&erofs_shrinker_info, "erofs-shrinker"); + erofs_shrinker_info =3D shrinker_alloc(0, "erofs-shrinker"); + if (!erofs_shrinker_info) + return -ENOMEM; + + erofs_shrinker_info->count_objects =3D erofs_shrink_count; + erofs_shrinker_info->scan_objects =3D erofs_shrink_scan; + + shrinker_register(erofs_shrinker_info); + + return 0; } =20 void erofs_exit_shrinker(void) { - unregister_shrinker(&erofs_shrinker_info); + shrinker_free(erofs_shrinker_info); } #endif /* !CONFIG_EROFS_FS_ZIP */ --=20 2.30.2