From patchwork Thu Jul 27 08:04:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13329641 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 E2D8BC001E0 for ; Thu, 27 Jul 2023 08:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234108AbjG0I01 (ORCPT ); Thu, 27 Jul 2023 04:26:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233389AbjG0IZU (ORCPT ); Thu, 27 Jul 2023 04:25:20 -0400 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDC274C37 for ; Thu, 27 Jul 2023 01:13:52 -0700 (PDT) Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-6748a616e17so182604b3a.1 for ; Thu, 27 Jul 2023 01:13:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690445272; x=1691050072; 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=ubpyp4SIhGXjO6/VTKiZvWjlRzyN8ANvKHVN5xSGnIw=; b=JnEFWCJ0lfqLQ09KAhpDiGnRAmdtfYhke3aIyqMGyaI1u+7/j8X1g+ymABPYujVt+w cz28zAP40524HNhXDL9Q5SofaC1n/CPA+MmByiqiYd170BhvKkwUMWNTWGQlZaYnqgaR FBpKNnlG1vtBshrp2zrDJ2SvCtcPtO2Uoxi7Td9WriKIRN+9BBM1kAj+4w0IHie3PsAJ NEqh91Op9gs693bzhjwiJV1tmOiwkF+OnmYUm9c5BSiHcRPJXsNw4NR6JZLqvW90Jp1l wYlHCbMfcgp//O2TdulFnaEsdlVg5OO3iU4DnTCf9/O5RCqrJgKtWA6LRsXmBpSaFsGJ 4ftA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690445272; x=1691050072; 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=ubpyp4SIhGXjO6/VTKiZvWjlRzyN8ANvKHVN5xSGnIw=; b=c8zcc8y6fWQQvOvKC4eNnUD4yMTONHC0mEhxT9ngXkn9rPbR0Sv6tu5+2eOPJYyyzR TO43U2bsBuchCRetRDFYymq0Z8uD3OoZ8Bbshhdy89fA8DFwhM5zJw6+E2YYxhoA+SDQ VVKeTOZSeAlx5gFoPZRNVGvleICSMBkcXZ4sbir0PPcSRX8H1eOI4WMWM7jZgzkKeFC9 A190tYDRfhHkmfh89dO3vnSjjI2gg/aRZOPZPF8gDfMqkAJ9wuaeYQk9db2GL/aATp9l fc1A36tBnaEr5tEGhOmsYmszUTZDhFMBcjgf4BJt91oIo4S+tzJUzSZ8cFXbcN4C2zR4 BQeg== X-Gm-Message-State: ABy/qLbbcjtMKV6LXTmCJCQFD+5d7YGOKiCf/gYphyfXeMaR+Njv7ny7 7rtRcqPagukGcwWeZ6N3jePwYQ== X-Google-Smtp-Source: APBJJlH8Hm//FCUnZvKJ1Fsda02AnYQWQqq2rUtStc8LnYU5/NdJ+w8F5lFLyohrr/NHLskzxbNOmQ== X-Received: by 2002:a05:6a00:2d09:b0:682:59aa:178d with SMTP id fa9-20020a056a002d0900b0068259aa178dmr4647270pfb.1.1690445272018; Thu, 27 Jul 2023 01:07:52 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id j8-20020aa78d08000000b006828e49c04csm885872pfe.75.2023.07.27.01.07.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 01:07:51 -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 10/49] erofs: dynamically allocate the erofs-shrinker Date: Thu, 27 Jul 2023 16:04:23 +0800 Message-Id: <20230727080502.77895-11-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: rcu@vger.kernel.org Use new APIs to dynamically allocate the erofs-shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- fs/erofs/utils.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c index cc6fb9e98899..6e1a828e6ca3 100644 --- a/fs/erofs/utils.c +++ b/fs/erofs/utils.c @@ -270,19 +270,25 @@ static unsigned long erofs_shrink_scan(struct shrinker *shrink, return freed; } -static struct shrinker erofs_shrinker_info = { - .scan_objects = erofs_shrink_scan, - .count_objects = erofs_shrink_count, - .seeks = DEFAULT_SEEKS, -}; +static struct shrinker *erofs_shrinker_info; int __init erofs_init_shrinker(void) { - return register_shrinker(&erofs_shrinker_info, "erofs-shrinker"); + erofs_shrinker_info = shrinker_alloc(0, "erofs-shrinker"); + if (!erofs_shrinker_info) + return -ENOMEM; + + erofs_shrinker_info->count_objects = erofs_shrink_count; + erofs_shrinker_info->scan_objects = erofs_shrink_scan; + erofs_shrinker_info->seeks = DEFAULT_SEEKS; + + shrinker_register(erofs_shrinker_info); + + return 0; } void erofs_exit_shrinker(void) { - unregister_shrinker(&erofs_shrinker_info); + shrinker_free(erofs_shrinker_info); } #endif /* !CONFIG_EROFS_FS_ZIP */