From patchwork Mon Jul 24 09:43:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13324151 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 887E0C41513 for ; Mon, 24 Jul 2023 10:02:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232851AbjGXKCh (ORCPT ); Mon, 24 Jul 2023 06:02:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232990AbjGXKBs (ORCPT ); Mon, 24 Jul 2023 06:01:48 -0400 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15464CF for ; Mon, 24 Jul 2023 02:54:57 -0700 (PDT) Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-1b867f9198dso8898455ad.0 for ; Mon, 24 Jul 2023 02:54:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690192146; x=1690796946; 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=3CXd5cxT7BQDd98tt8oaC0MvbTuhoGV4WCiM7GrnKVE=; b=Om2j7Eq4b1zO3xdV6jpRgZNyxXUYFkRHVqkn+q5W951pJcNCyyCCfcFLMOexVrickD J4ocoN591zedkzE2l/xp9SKWxYNmVY9krcCZp1enxIDkg3AuGZslR02ZNhQ4EqRsU2HZ PP0+JI5GQi1EzLTs4k94q0v4nCvWQ/wpATlpWJHquPmCZ9F29qdBLMIvq7n3uMU0LBE+ S5G8d6zEmU4sF3lI0zmYqBRm2zlIoJryhG+DWOUkdilD+QmzqjFCVIDjtSm2UD8IjhcW 4f3Go/NoxA8FuaENkugEjSaXcGkVRUNsilnpPO5VZgwHu2urEIWQPvH/FMxPOeDNA9uj omeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690192146; x=1690796946; 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=3CXd5cxT7BQDd98tt8oaC0MvbTuhoGV4WCiM7GrnKVE=; b=Ho4imGAIRxzcIa4CG4qhEgeu1mc+VqYK1Os+CCZYmp/NlBTAEbGIFzh8mXfgXG0UUs NveL6hFAix2LzpExoII2tHVbexQKEsvuW4JCURkUhm8ob2xPbR3UrYk4zs/MAgz34Wbs TRader02Dfwz9Tf3sjR4U8fA3VIl4CQRuWA7FE+q22iVrpLpO+cz/W0HIFG/r2NSv6Gl qY28Ln5QJG/CePLmsFsE25QasTDEcYs7JdB0te9ThmPJWiaHJE1MFeyIlB0eVl0cV37v MyrRhBVxalAHc3xz0JEKZCq0C+uzByynxyXC+AY2JVg+yZhdSKDGfbQu/u+YiLjmbjkL p9fQ== X-Gm-Message-State: ABy/qLaePq0mXscwcwrGihEYBf0pN7LV2pB2C3O4cbQEqUWbfU1XJ7aJ AMXy4xQw3Ubin5CA7pOCM4rK8A== X-Google-Smtp-Source: APBJJlGIkgxKi3c8vlsRfvF8eC2AUaCtjB+PIQLMdMMArsufsHEWiltHfQyyqXBdYUy9SpebX4CtOg== X-Received: by 2002:a17:902:e80a:b0:1b8:50a9:6874 with SMTP id u10-20020a170902e80a00b001b850a96874mr12324079plg.5.1690192146760; Mon, 24 Jul 2023 02:49:06 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id d5-20020a170902c18500b001bb20380bf2sm8467233pld.13.2023.07.24.02.48.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 02:49:06 -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 20/47] sunrpc: dynamically allocate the sunrpc_cred shrinker Date: Mon, 24 Jul 2023 17:43:27 +0800 Message-Id: <20230724094354.90817-21-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 sunrpc_cred shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- net/sunrpc/auth.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 2f16f9d17966..74e40c8a512d 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -861,11 +861,7 @@ rpcauth_uptodatecred(struct rpc_task *task) test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0; } -static struct shrinker rpc_cred_shrinker = { - .count_objects = rpcauth_cache_shrink_count, - .scan_objects = rpcauth_cache_shrink_scan, - .seeks = DEFAULT_SEEKS, -}; +static struct shrinker *rpc_cred_shrinker; int __init rpcauth_init_module(void) { @@ -874,9 +870,16 @@ int __init rpcauth_init_module(void) err = rpc_init_authunix(); if (err < 0) goto out1; - err = register_shrinker(&rpc_cred_shrinker, "sunrpc_cred"); - if (err < 0) + rpc_cred_shrinker = shrinker_alloc(0, "sunrpc_cred"); + if (!rpc_cred_shrinker) goto out2; + + rpc_cred_shrinker->count_objects = rpcauth_cache_shrink_count; + rpc_cred_shrinker->scan_objects = rpcauth_cache_shrink_scan; + rpc_cred_shrinker->seeks = DEFAULT_SEEKS; + + shrinker_register(rpc_cred_shrinker); + return 0; out2: rpc_destroy_authunix(); @@ -887,5 +890,5 @@ int __init rpcauth_init_module(void) void rpcauth_remove_module(void) { rpc_destroy_authunix(); - unregister_shrinker(&rpc_cred_shrinker); + shrinker_unregister(rpc_cred_shrinker); }