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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 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @bytedance.com) X-ZM-MESSAGEID: 1690445370813100001 Content-Type: text/plain; charset="utf-8" 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 */ =20 -static struct shrinker acl_shrinker =3D { - .count_objects =3D nfs_access_cache_count, - .scan_objects =3D nfs_access_cache_scan, - .seeks =3D DEFAULT_SEEKS, -}; +static struct shrinker *acl_shrinker; =20 /* * Register the NFS filesystems @@ -153,9 +149,17 @@ int __init register_nfs_fs(void) ret =3D nfs_register_sysctl(); if (ret < 0) goto error_2; - ret =3D register_shrinker(&acl_shrinker, "nfs-acl"); - if (ret < 0) + + acl_shrinker =3D shrinker_alloc(0, "nfs-acl"); + if (!acl_shrinker) goto error_3; + + acl_shrinker->count_objects =3D nfs_access_cache_count; + acl_shrinker->scan_objects =3D nfs_access_cache_scan; + acl_shrinker->seeks =3D 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 --=20 2.30.2