[Cluster-devel] [PATCH v4 09/48] erofs: dynamically allocate the erofs-shrinker
Qi Zheng <[email protected]>
| Newsgroups | com.redhat.cluster-devel,dev.linux.lists.dm-devel,net.sourceforge.lists.linux-f2fs-devel,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-mtd,org.kernel.vger.kvm,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-bcache,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-ext4,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-nfs,org.kernel.vger.linux-raid,org.kernel.vger.linux-xfs,org.kernel.vger.netdev,org.kernel.vger.rcu,org.kvack.linux-mm,org.ozlabs.lists.linux-erofs,org.xenproject.lists.xen-devel |
|---|---|
| Message-ID | <[email protected]> |
Use new APIs to dynamically allocate the erofs-shrinker. Signed-off-by: Qi Zheng <[email protected]> Reviewed-by: Muchun Song <[email protected]> --- 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 */ -- 2.30.2