From patchwork Thu Jul 27 08:04:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13329597 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 A59EBC001E0 for ; Thu, 27 Jul 2023 08:21:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234217AbjG0IVQ (ORCPT ); Thu, 27 Jul 2023 04:21:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234243AbjG0ISp (ORCPT ); Thu, 27 Jul 2023 04:18:45 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A16B149DA for ; Thu, 27 Jul 2023 01:10:54 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id d2e1a72fcca58-686f74a8992so77855b3a.1 for ; Thu, 27 Jul 2023 01:10:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690445417; x=1691050217; 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=PYuXWIGRd3SDQUNwBNnDU/RFUGkEJd0z6ud/pRWhp58=; b=T9ifvBS7grSXMXHZ+aFeKzum6pF3H2DhLFdohTJRx7vF7szcBG6tJ5VPINqCVu3pCX FmubTvt88b5ysMWaYtFibatbXMnoo6Jib8lbo65gbMoj4iY6HbdoFrEeXgYSqYC9Jqe0 PGHsLAS4RpAPQjTV72r0GtDUpuZ/ybvTZ9EZC90EXosh65ardfAALzeVYgFduHUdYxNh uE3GuwKiv2CyHXolQ3XZqpbE7oSyCW4E0iZzkXVJZoTlkXjievgPAGhg1+Kv8s/E0hIi dyIaavdNWwWhQNwuCKJwqWG502/DMJOkmwjObTrka2ckcmNrtUCmvsEGY2FZ9fmQFWZZ aE4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690445417; x=1691050217; 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=PYuXWIGRd3SDQUNwBNnDU/RFUGkEJd0z6ud/pRWhp58=; b=bAQgs0u3JlHBcDD9KyQv2RLlzf2/RF83kLdkRLpNFxx4MFLh9NcBtXgk/qzx3ICLBR DJupxFwgVhQhyhbiZUsmBwfoCgZ69x3NGkO2o5dNry7SCXVNJ6u4njDxymagp4V02UkM KSdURlyMCtPqJORQCWb996Tqe2S3ivqYzZizR7DrfMkNh9jUDvldLBbEPwDSKAoXHly/ C6N997P8es4SIHBk/6GOlg59UHkEp4t1z5UsS0aMpEYu3GkmnMa9jy49+zEmEmYX4/Rr 7SOaWPu522Ab2AQGtOS6Bm1f1q8jP4qvWoUddwo9yeOlIqn5XaDvWSp9kzk/SAjRc2we bWYg== X-Gm-Message-State: ABy/qLbBgvoyGs4NCbx6hwUpoDdtjwM8nGUbYBoVbbVC9t92UXmfcnwD c4YlN3sn6qXe1l2gE41tBDTpbQ== X-Google-Smtp-Source: APBJJlFP1iLC566NPrkWwKL0iKI9L1P+4s+IlmNKaBmXVe5HE8WAAvDQ5uBELCFt4/l7YPuEeyQdfQ== X-Received: by 2002:a05:6a21:7882:b0:123:3ec2:360d with SMTP id bf2-20020a056a21788200b001233ec2360dmr5970181pzc.5.1690445417252; Thu, 27 Jul 2023 01:10:17 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id j8-20020aa78d08000000b006828e49c04csm885872pfe.75.2023.07.27.01.10.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 01:10:16 -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 , Muchun Song Subject: [PATCH v3 22/49] sunrpc: dynamically allocate the sunrpc_cred shrinker Date: Thu, 27 Jul 2023 16:04:35 +0800 Message-Id: <20230727080502.77895-23-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230727080502.77895-1-zhengqi.arch@bytedance.com> References: <20230727080502.77895-1-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 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..6b898b1be6f5 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_free(rpc_cred_shrinker); }