From patchwork Thu Jul 27 08:04:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13329403 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 46494C41513 for ; Thu, 27 Jul 2023 08:16:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233073AbjG0IQT (ORCPT ); Thu, 27 Jul 2023 04:16:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233943AbjG0IOl (ORCPT ); Thu, 27 Jul 2023 04:14:41 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0400059CA for ; Thu, 27 Jul 2023 01:09:41 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-686f74a8992so77592b3a.1 for ; Thu, 27 Jul 2023 01:09:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690445332; x=1691050132; 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=9TzzNXWnGUC4v0Im6lZC1fetjV0NX81rj7dQA53Eb1w=; b=fVbo4B1Sn0AGX1nNJK0Eo1gukSsful8PC6Tpi9R2ay4P+tk9frdioPsIm2s6rPxi46 ++BpYvSQrpfhaqWc0rmuBFjQPz0zzH5N+AGXb67rsChsvEkjfu687Mjmoln0lCJnbS1t S6gxfZ/pYInNuKorknrCkgDtrsNJQ+5b+KQpVkQdCPQpNRB6D3agySMM3uM99/xhPotu rAoYyPnK20sDnc7vY5XomSSW5p6ngHpl0qbTjtgeFdhf5V6H8EL0+GE/5QBEhSY2aRe8 CqIfoMbQ3ZACqieIYGVBf+Lq9zLueZGm5ISvf4EF/2FFF37Zi67sB1q+1Y4ZesHEzWZS zb1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690445332; x=1691050132; 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=9TzzNXWnGUC4v0Im6lZC1fetjV0NX81rj7dQA53Eb1w=; b=Tw+stY/0YAgBZa7a1x7Bgw/O5i0KQrn3yXqXGfdX1BYwM4iKpkVK5M7TfVXoB9qxXO 4Er8Famu9+VW/g8krYvfskark4jEWB70GyZUJjcguhBTgVAeG31vvzXoc6kLVjdvOqOa l0QHgFPxRC8uSWAygBbAogjhbBl29w2ljSl6n7qmeHudUBkTsmFZxbGDtOfh9u2t4W4Y nDlmI04jgB+XAnQ4aECDmkJLf9EcVzTr13Ad4oiQkL2BWv28GJHQ/UEDCM3wekwrekB5 M3s8xm4mAUCa/3lo9I4VTwqI9wgR/hgmvtWVIT5Cg1K9QPblYDwWKB41TnMtGPc4NjfP EJNw== X-Gm-Message-State: ABy/qLYXiku5XgjCk5xBI8957ivpaA6sRKbGTF7MAJ6KO3Db2RKUNUtJ rN54rW9PBQffxMWcJ9dJGsoYxw== X-Google-Smtp-Source: APBJJlFfoYzSpk6JWYRi+8IvWqqU5f15Mb/GG4zvV09auI3h1+KA8DLVYcizqJGa8aoS7uGFfDYCtA== X-Received: by 2002:a05:6a00:488e:b0:677:bb4c:c321 with SMTP id dk14-20020a056a00488e00b00677bb4cc321mr4639246pfb.0.1690445332713; Thu, 27 Jul 2023 01:08:52 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id j8-20020aa78d08000000b006828e49c04csm885872pfe.75.2023.07.27.01.08.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 01:08:52 -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 15/49] nfs: dynamically allocate the nfs-acl shrinker Date: Thu, 27 Jul 2023 16:04:28 +0800 Message-Id: <20230727080502.77895-16-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: kvm@vger.kernel.org Use new APIs to dynamically allocate the nfs-acl shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- fs/nfs/super.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2284f749d892..072d82e1be06 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -129,11 +129,7 @@ static void nfs_ssc_unregister_ops(void) } #endif /* CONFIG_NFS_V4_2 */ -static struct shrinker acl_shrinker = { - .count_objects = nfs_access_cache_count, - .scan_objects = nfs_access_cache_scan, - .seeks = DEFAULT_SEEKS, -}; +static struct shrinker *acl_shrinker; /* * Register the NFS filesystems @@ -153,9 +149,17 @@ int __init register_nfs_fs(void) ret = nfs_register_sysctl(); if (ret < 0) goto error_2; - ret = register_shrinker(&acl_shrinker, "nfs-acl"); - if (ret < 0) + + acl_shrinker = shrinker_alloc(0, "nfs-acl"); + if (!acl_shrinker) goto error_3; + + acl_shrinker->count_objects = nfs_access_cache_count; + acl_shrinker->scan_objects = nfs_access_cache_scan; + acl_shrinker->seeks = DEFAULT_SEEKS; + + shrinker_register(acl_shrinker); + #ifdef CONFIG_NFS_V4_2 nfs_ssc_register_ops(); #endif @@ -175,7 +179,7 @@ int __init register_nfs_fs(void) */ void __exit unregister_nfs_fs(void) { - unregister_shrinker(&acl_shrinker); + shrinker_free(acl_shrinker); nfs_unregister_sysctl(); unregister_nfs4_fs(); #ifdef CONFIG_NFS_V4_2