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Mon, 24 Jul 2023 02:46:42 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id d5-20020a170902c18500b001bb20380bf2sm8467233pld.13.2023.07.24.02.46.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 02:46:42 -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 08/47] erofs: dynamically allocate the erofs-shrinker Date: Mon, 24 Jul 2023 17:43:15 +0800 Message-Id: <20230724094354.90817-9-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 X-Rspamd-Queue-Id: 8E0EE14000C X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: rcag35y3xzpw8zyetdfdeyu3b4py346x X-HE-Tag: 1690192003-385328 X-HE-Meta: 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 Vr1Urcek KN4P2zEi+G2aA1ksfDp7O7gS43ZsaCPWJkHC4719CkPtA0MfT/Je9pP2Z9NV5NuNWeZWiFKm8bh6uYaXohokV6UZqXLFZYEh1MtBJj11uBP5eMOaXoXe24x+Ltr9y9Cv8/RoOCZXlHxSZiFdn+Y7iqI5E2vS0sYZSD01jyVN/aKc1ji5UMEsV7F5JXocLwRGzPN7v4reow7Kk6Cx4qkQY9lDVZ7H8RPhguWXYBfwgIE2LtEUvbXJXYYDLossEhv9fTfFOZNNrjUmhAHI4KYlJp+DtW/qpv9w3BMkDmy17heGOvxTi4Ia3lkILQKS7QsjI3CxoO3VMQ5qs1fku97ob9qp/5o9O21NVYuveaQYZlztY0mcLVvviztS7JT3qikaMcy61w0cXwxwfTxce254VJGA4Ije5E3lkfQDS 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 --- 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..389de06e1065 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_unregister(erofs_shrinker_info); } #endif /* !CONFIG_EROFS_FS_ZIP */