From patchwork Mon Jul 24 09:43:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13323737 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 1EB3AC0015E for ; Mon, 24 Jul 2023 09:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232470AbjGXJt3 (ORCPT ); Mon, 24 Jul 2023 05:49:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231861AbjGXJsn (ORCPT ); Mon, 24 Jul 2023 05:48:43 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BCB110EC for ; Mon, 24 Jul 2023 02:47:22 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-1bba9539a23so641535ad.1 for ; Mon, 24 Jul 2023 02:47:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690192027; x=1690796827; 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=cYIc2pFR4p2fEyppjqJhI12Ags43zx4+1Vguh7yPn/A=; b=Mkbkj7G5CQEOG8iOHz5MrSjilpa0Roglbh/CftNIU9Jg3xNX1k/Xj43vnR/S/54ttk C3FfMc3SnotTmowd/+id3GM38yUMYBJBhTZIBUulrrZgzYrxT+SQHGW3axYXz1Mzi2fV AsX/jIuEEGTsEz+JOjVZRdbKq3nZcbngqtBBtuQhz8//b37rxmcNc4kjft3yYQbvP1Zj 84eZDPKog/+vrWIKUYa0yatWxoPJwzUv5rccQj+Dyx2lWBxO8FM5qLWfEajMcNN5ZG2/ nBaypiLs1PufNQuHjnIpPNYd5QiB7rev3NHLgSVLNHqyhO1fbeGyfmflk+kru7Y0DPcw GDkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690192027; x=1690796827; 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=cYIc2pFR4p2fEyppjqJhI12Ags43zx4+1Vguh7yPn/A=; b=j7D/IGKGskyyEvr3R42dz8c4wBJR31350sQf8d1klvRMEZFgjUOT+J8oHuzje9Ojwj G02wFi0jg8WZlgLdJQYLBIHPhXdWBctXZKpLKFzKnhiiYP2NUKOGj+0CwLIyDdWcCaJo xtQD/+tEKDC0+DJdWjrBEbuJe6h6soZiHpLzA8NPpeH4fLRetJolMo9FFKw8WPAMZJR2 RVN7Bo9IMl3kw6EK5UJi4aiq7soaCFEq3b9qbF/dFx1D9tN6DvB9uQG6B4PldFoJOvcr ItEBPcwnOojP/RKO2ibl+JR4sGaAW8opLUCemG3Mn2e1oeIMB/o0U5LezuLex0jf4nkp PTkA== X-Gm-Message-State: ABy/qLZlRtHCeUo0+G+zM8OX3kfy30rS4wpuk5jYYzruk9q5w2yQLVJ5 0EsZ2Qeu2nwFxcmeoarKK945UQ== X-Google-Smtp-Source: APBJJlE71N8j7jMrL1FzeS7v4yJrry2TgN0JWUZm9wk55uK2Ve/eQ/bXmY0X5mXvJcfiEdGHzkgvbw== X-Received: by 2002:a17:902:ec8b:b0:1b3:d8ac:8db3 with SMTP id x11-20020a170902ec8b00b001b3d8ac8db3mr12337602plg.6.1690192026938; Mon, 24 Jul 2023 02:47:06 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id d5-20020a170902c18500b001bb20380bf2sm8467233pld.13.2023.07.24.02.46.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 02:47:06 -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 10/47] gfs2: dynamically allocate the gfs2-glock shrinker Date: Mon, 24 Jul 2023 17:43:17 +0800 Message-Id: <20230724094354.90817-11-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-fsdevel@vger.kernel.org Use new APIs to dynamically allocate the gfs2-glock shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- fs/gfs2/glock.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 1438e7465e30..77da354667d9 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -2046,11 +2046,7 @@ static unsigned long gfs2_glock_shrink_count(struct shrinker *shrink, return vfs_pressure_ratio(atomic_read(&lru_count)); } -static struct shrinker glock_shrinker = { - .seeks = DEFAULT_SEEKS, - .count_objects = gfs2_glock_shrink_count, - .scan_objects = gfs2_glock_shrink_scan, -}; +static struct shrinker *glock_shrinker; /** * glock_hash_walk - Call a function for glock in a hash bucket @@ -2472,13 +2468,19 @@ int __init gfs2_glock_init(void) return -ENOMEM; } - ret = register_shrinker(&glock_shrinker, "gfs2-glock"); - if (ret) { + glock_shrinker = shrinker_alloc(0, "gfs2-glock"); + if (!glock_shrinker) { destroy_workqueue(glock_workqueue); rhashtable_destroy(&gl_hash_table); - return ret; + return -ENOMEM; } + glock_shrinker->count_objects = gfs2_glock_shrink_count; + glock_shrinker->scan_objects = gfs2_glock_shrink_scan; + glock_shrinker->seeks = DEFAULT_SEEKS; + + shrinker_register(glock_shrinker); + for (i = 0; i < GLOCK_WAIT_TABLE_SIZE; i++) init_waitqueue_head(glock_wait_table + i); @@ -2487,7 +2489,7 @@ int __init gfs2_glock_init(void) void gfs2_glock_exit(void) { - unregister_shrinker(&glock_shrinker); + shrinker_unregister(glock_shrinker); rhashtable_destroy(&gl_hash_table); destroy_workqueue(glock_workqueue); }