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Wed, 23 Aug 2023 20:44:40 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.146]) by smtp.gmail.com with ESMTPSA id t6-20020a63b246000000b005579f12a238sm10533157pgo.86.2023.08.23.20.44.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Aug 2023 20:44:40 -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, linux-fsdevel@vger.kernel.org, Qi Zheng , Muchun Song , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , linux-erofs@lists.ozlabs.org Subject: [PATCH v5 06/45] erofs: dynamically allocate the erofs-shrinker Date: Thu, 24 Aug 2023 11:42:25 +0800 Message-Id: <20230824034304.37411-7-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230824034304.37411-1-zhengqi.arch@bytedance.com> References: <20230824034304.37411-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 X-Rspam-User: X-Stat-Signature: ys4iduiixjiynb6zn3935h5oz6t3ssdr X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AFC84A0010 X-HE-Tag: 1692848681-321835 X-HE-Meta: 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 PB74l0MN 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use new APIs to dynamically allocate the erofs-shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song CC: Gao Xiang CC: Chao Yu CC: Yue Hu CC: Jeffle Xu CC: linux-erofs@lists.ozlabs.org Reviewed-by: Chao Yu Reviewed-by: Gao Xiang --- 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 */